Some standard content:
Electronic Industry Standard of the People's Republic of China
SJ/T10543-94
General specification for colour picture tube bulbs1994-08-08 Issued
1994-12-01 Implementation
Published by the Ministry of Electronics Industry of the People's Republic of China
General specification for colour picture tube bulbs (available for certification)
1 Subject content and scope of application
SJ/T10543-94
This specification specifies the procedure for evaluating the quality of glass bulbs for colour picture tubes, and gives the defects, dimensions, glass characteristics, performance inspection and test methods of glass screens and glass cones. This specification applies to glass screens and glass cones for colour picture tubes. 2 General Provisions
2.1 Priority
Regardless of the reasons for the conflict, the specifications (or documents) at all levels shall be implemented in the following order. Detailed specifications:
General specifications;
Basic specifications;
d. Relevant documents of China Electronic Components Quality Certification Committee;
Other referenced documents.
2.2 Related documents
GB3100
GB3189
GB3505
GB4597
GB8557
GB11484
Pictorial symbols for packaging, storage and transportation
International System of Units and its application
Connection dimensions of tube lead caps
Terms of surface roughnessSurface and its parameters
Terminology of electron tubes
Specification for inspection of cathode ray tube glass shell
Test method for residual stress of picture tube glass shell
Test method for chromaticity coordinates of screen glass for color picture tubesTest method for light transmittance (1546) of color picture tube screen glassTest method for density of electronic glass - floating and sinking methodTest method for average linear thermal expansion coefficient of electronic glass Test method for softening point of glass
Test method for annealing point and strain point of electronic glass Reference wire gauge size for cathode ray tube
Approved by the Ministry of Electronics Industry of the People's Republic of China on August 8, 1994 and implemented on December 1, 1994
SJ/T14010
SJ/T10543-94
Test method for glass bulb of cathode ray tube
SJ/Z9007 (IEC410) Sampling plan and procedure for counting IECQQC001002
ZZR/01—001
2.3 Units and terms
IEC Rules of procedure for quality assessment system for electronic components Quality certification regulations of China
The units and terms used in this specification shall be selected from the standards listed in "Related documents" in Article 2.2. And add the following terms; 2.3.1 pit
The mark left on the glass surface after molding due to foreign matter such as dust and glass material attached to the mold. 2.3.2 black line
The linear mark left after molding due to the reduction of lead caused by the reducing flame during the sealing process of glass and glass or glass and metal parts.
2.4 Marking
2.4.1 The glass screen should have the following markings:
Manufacturer identification code;
X-ray absorption characteristic identification mark;
Manufacture number or year, month and day of manufacture;
Size identification code (if required);
Others.
The glass funnel shall have the following marks:
Manufacturer identification code:
X-ray absorption characteristic identification mark;
Manufacture number or year, month and day of manufacture (if required); size identification code;
Others.
Glass screen and glass funnel packaging box shall have the following marks: Manufacturer identification code;
Trademark;
Product model:
Manufacture number or year, month and day of manufacture;
Packing quantity;
Qualification mark or certification qualification mark;
Mark of compliance with relevant requirements in GB191;
Others.
3 Quality assessment procedure
3.1 Initial manufacturing stage
The initial manufacturing stage includes the process of glass batching and melting, glass screen forming and pin sealing, glass funnel forming and anode cap sealing, annealing, etc.
These processes should be under the supervision of the approved manufacturer, but not completed at the same location. Subcontracting these processes is prohibited (see 11.1.2 of IECQQC001002). 2
3.2 Glass screens and glass funnels with similar structures
SJ/T10543-94
When several approved glass screens and glass funnels with common properties are produced simultaneously or continuously, the inspection of their common properties can be carried out by sampling from one of the glass screens and glass funnels, and the results can replace the inspection of other glass screens and glass funnels. The common performance and related test items that can be adopted are as follows: a. Glass properties;
-Average linear thermal expansion coefficient
-Softening point
-Annealing point
-Strain point
Chromaticity coordinates
Light transmittance
-X-ray absorption coefficient
Defects in pins and pin sealing area:
Defects in anode cap and anode cap sealing area;
Defects in cone neck sealing area:
Defects in tube neck.
3.3 Approval procedure
Manufacturing should:
Meet the general requirements for IECQQC001002 approval; a.
b. Meet the requirements of the initial manufacturing stage in Article 3.1 of the general specification; c. Provide consistency inspection data for batch inspection of three consecutive batches and one batch periodic inspection according to the requirements of the detailed specification. 3.4 Quality consistency inspection (see Chapter 12 of IECQQC001002) The blank detail specification shall specify the minimum inspection specification table including each detail specification. This specification table can also be specified in groups according to the purpose of batch inspection and periodic inspection. In order to apply to different assessment levels, the blank detail specification can be listed in multiple specification tables. 3.5 Resubmission of unqualified batches
When the sample cannot meet the requirements of batch inspection, it should be handled in accordance with 12.4 of IECQQC001002. 3.6 Release batch certification record
When the release batch certification record is given in the relevant blank detail specification and the ordering party also requires it, the following information should be given at a minimum:
a, the characteristic information (pass or fail) contained in each group of periodic inspection, excluding the parameters that have caused rejection; b variable information;
The content of the release batch certification record shall comply with Chapter 14 of IECQQC001002. c
3.7 Delayed delivery
When the glass screen and glass funnel have been stored in the manufacturer for more than -12 months after passing the inspection, they should be resubmitted according to the Group A inspection or other inspections specified in the detailed specification.
3.8 Non-inspection parameters
Performance under working conditions not specified in the detailed specification cannot be guaranteed and should not be used as inspection items. If it is required to work under such conditions, a separate detailed specification must be prepared. Any supplementary test methods used should be fully described, and the corresponding limit values, AQL and inspection levels should be specified. 3.9 Periodic inspection
When the sample fails to meet the requirements of periodic inspection, it should be handled in accordance with 12.6 of IECQQC001002. 3.10 Delivery before completion of Group B inspection
When all Group B inspections have met the conditions for relaxed inspection in SJ/Z9007, the manufacturer is allowed to release continuous batches of glass screens and glass cones before completing these tests.
4 Tests and test methods
4.1 Alternative methods
The tests and test items listed in this specification shall adopt the methods specified in the corresponding national standards, but the detailed specifications are also allowed to give alternative methods equivalent to the specified methods. Alternative methods cannot be used where the specified methods are specified and cited in the detailed specifications. 4.2 Standard atmospheric conditions for tests
Unless otherwise specified, all tests shall be carried out under standard atmospheric conditions of temperature of 15~35℃, relative humidity of 45%~75% and air pressure of 86~106kPa. Each test shall be carried out according to the specified procedures. 4.3 Visual inspection
Glass screens and glass cones should be inspected under normal lighting conditions in the factory, and generally no special observation tools are required. Inspection requirements should comply with the provisions of GB8557 or detailed specifications. If necessary, compare with limit samples or use special measuring tools for inspection. Inspection items include:
4.3.1 Glass screen defects
4.3.1.1 Defects such as bubbles and opaque impurities on the effective screen surface; 4.3.1.2 Defects such as bubbles and opaque impurities in the area from the edge of the effective screen surface to the mold ring line; 4.3.1.3
Side bubbles and opaque impurity defects;
4.3.1.4 Other defects:
Scratches;
Bumps;
Cracks;
Notches;
Rust;
Scissor marks;
Stripes;
Glass adhesion:
Dirt, fog marks and oil stains;
Pockmarks on the inner surface of the effective screen surface;
Defects in the pins and pin sealing areas;
Defects in the sealing surface;
Others.
4.3.2 Glass cone defects
4.3.2.1 Cone defects
a. Defects such as bubbles and opaque impurities;
scratches,
bumps;
cracks:
nicks:
scissor marks;
dirt, fog marks and oil stains:
defects in the sealing area of anode wax and anode cap,
defects on the sealing surface:
others.
Neck defects
Scratches;
Bumps;
Cracks;
Notches;
Abrasions;
Glass knots;
Long bubbles;
Stones;
SJ/T10543-—94
Defects such as broken bubbles and stones are spaced apart from each other; others.
Cone neck sealing area defects
Bubbles:
Misty bubbles;
Black lines;
Others.
4.4 Inspection and inspection methods for glass screen and glass cone dimensions The detailed specifications for glass screen and glass cone should give the outline drawings with marked dimensions and related inspection requirements. The connection dimensions of the anode cap and the reference line gauge dimensions should comply with the provisions of GB3189 and GB11484 or the provisions of the detailed specifications. Whenever the following dimensions are to be inspected in the detailed specifications, they shall be inspected in accordance with the corresponding methods given below (see also the contents of 4.1 above).
4.4.1 Glass screen
4.4.1.1 Total height of glass screen
Put the glass screen with the sealing surface facing downward on the reference platform and measure it with a height gauge or other gauge. 4.4.1.2 Sealing surface outer diameter
Use a caliper or other measuring tool to clamp the major axis, minor axis and diagonal of the sealing surface respectively and measure its length. 4.4.1.3 Die ring line outer diameter (panel size) Use a caliper or other measuring tool to clamp the major axis, minor axis and diagonal of the die ring line respectively and measure its length. 4.4.1.4 The schematic diagram of effective diameter (effective screen size) measurement is shown in Figure 1.
Use a special gauge as shown in Figure 2 close to the transition radius of the inner surface of the screen to measure the distance 5
s between the centers of the transition radius of the inner surface of the screen.
The effective diameter is calculated as follows:
Sealing line
SJ/T10543—94
Effective diameter=s+2rc0s60°=s+r
Wherein, r—transition radius of the inner surface of the screen, mm. Measure on the major axis, minor axis, and diagonal respectively. 4.4.1.5 Curvature of the outer surface of the screen
Put the glass screen sealing surface downward on the platform, place the curvature gauge of the outer surface of the screen on the outer surface of the screen, and measure the height difference of each specified point relative to the reference point. Or use other measuring tools and instruments for measurement. 4.4.1.6 Curvature of the inner surface of the screen
Use a special gauge to support the reference line (for example, 5.61mm) of the specified three pins, determine the pin plane and its axis, and the pin support part should be fixed in the horizontal and vertical directions and can move freely in the axial direction. Taking the pin plane as the reference, use the screen inner surface curvature gauge or other measuring tools to measure the specified points on the screen inner surface. 4.4.1.7 Sealing surface periphery
Put the glass screen sealing surface downward on the horizontal pad of the periphery gauge, use three spherical contacts to support the three positioning points on the glass screen skirt for accurate positioning, measure the coordinate values of each specified point (usually 16 points) at a specified angle at a specified height from the sealing surface, and calculate the deviation from the design value
4.4.1.8 Screen center thickness
Gently insert the two arms of the thickness gauge into the center of the screen, and then bring the two contacts of the gauge together at the measured point in the center of the screen. Adjust the contacts, and when the contact axis is perpendicular to the curved surface of the measured point, measure the screen center thickness. Or use other measuring tools or instruments for measurement.
4.4.1.9 Circumference of mold ring line
Use a measuring steel belt of known length to cover the specified position of the mold ring line of the glass screen to be measured, and make the center line of the steel belt coincide with the measured position. Tighten the steel belt clamp with both hands, read the scale value, and add the scale value to the standard deviation value to get the circumference of the mold ring line. 4.4.1.10 The distance from the pin plane to the inner surface of the screen is supported by a special gauge to determine the reference line (for example, 5.61mm) of the three pins, and determine the pin plane and its axis. The pin support part should be fixed in the horizontal and vertical directions and can move freely in the axial direction. Use an automatic gauge or other measuring tool to measure the vertical distance from the pin plane to each specified point (usually 9 points) on the inner surface of the screen, and calculate the deviation from the design value.
4.4.1.11 Pin spacing
SJ/T10543—94
Use a special gauge to support the reference line (e.g. 5.61mm) of the three specified pins, determine the pin plane and its axis, the pin support part should be fixed in the horizontal and vertical directions, and can move freely in the axial direction. Use an automatic gauge or other measuring tools to measure the distance between the specified pin reference line (e.g. 5.61mm) and the major and minor axes of the pin plane.
4.4.1.12 Pin system offset
Use a special gauge to support the reference line (e.g. 5.61mm) of the three specified pins, determine the pin plane and its axis, the pin support part should be fixed in the horizontal and vertical directions, and can move freely in the axial direction. The measurement position is shown in Figure 3.
Use automatic gauges or other measuring tools to measure the distances A, B, C, D, E, F of the six specified points P1, P, Ps, P., M1, M2 in the pin plane relative to the major and minor axes of the pin system. Unless otherwise specified, the pin system offset is expressed by the values of IA-BI, IC-DI, IE-F| and I(A-B)/2(C-D)/2|. P
4.4.1.13 Parallelism between the pin plane and the sealing surface 0.75-
Short frost?
Use a special gauge to support the reference line (e.g. $5.61mm) of the three specified pins to determine the pin plane and its axis. The pin support part should be fixed in the horizontal and vertical directions and can move freely in the axial direction. Use automatic gauges or other measuring tools to measure the parallelism of the pin plane and the sealing surface: 4.4.1.143 pin position (applicable to 4 pin glass screens) Use a special gauge to support the reference line (e.g. $5.61mm) of the specified three pins, determine the pin plane and its axis, the pin support part should be fixed in the horizontal and vertical directions, and can move freely in the axial direction. Use automatic gauges or other measuring tools to measure the distance between the axis of pin No. 3 and the short axis and the distance from the pin plane in the vertical direction.
4.4.1.15 Sealing surface width
Put the glass screen sealing surface upward on the platform, and use a thickness gauge or other measuring tool to measure its width at the specified height from the sealing surface.
6 Sealing surface flatness
SJ/T10543--94
Put the glass screen sealing surface downward on the reference platform, and use an automatic gauge or thickness gauge to measure the gap between the sealing surface and the reference platform.
4.4.1.17 Sealing surface inclination
Put the glass screen sealing surface upward on the platform, and use the sealing surface inclination gauge to measure the inclination value of the specified width of the sealing surface (usually 4.7mm).
4.4.1.18 Screen inner surface roughness
Take samples from the specified part of the glass screen, and measure the samples with a roughness measuring instrument. And calculate according to the provisions of GB3505.
4.4.2 Glass cone
4.4.2.1 Total height of glass cone
Put the glass cone sealing surface downward on the reference platform, and use the height gauge to measure the distance from the sealing surface to the bell mouth. 4.4.2.2 Distance from reference line to sealing surface
Put the glass cone sealing surface downward on the reference platform, use the specified reference line gauge to cover the cone, and use the height gauge to measure the distance from the reference line to the sealing surface.
4.4.2.3 Sealing surface outer diameter
Use a caliper or other measuring tool to clamp the long axis, short axis and diagonal of the sealing surface respectively, and measure its length. 4.4.2.4 Sealing surface periphery
Put the glass cone sealing surface downward on the horizontal pad of the periphery gauge, use three spherical contacts to support the positioning block for accurate positioning, measure the coordinate values of each specified point (usually 16 points) at a specified angle at a specified height from the sealing surface, and calculate the deviation from the design value.
4.4.2.5 Electron beam clearance
On the clearance test bench, place the specified reference line gauge and the cone plug gauge tightly together, adjust the reading of the dial indicator to the specified value, lift the cone plug gauge and put it into the cone, so that they are close to each other and on the same axis. At this time, the electron beam clearance can be measured from the indication of the dial indicator.
4.4.2.6 Insertion depth of cone plug gauge
Place the specified cone plug gauge and reference line gauge close to the inner and outer sides of the deflection part of the cone, respectively, and make the two gauges coaxial, and use the measuring tool to measure the distance from the top plane of the cone plug gauge to the reference line. 4.4.2.7 Cone wall thickness
Insert the cone between the two contacts of the dial indicator, adjust the cone and the contacts of the dial indicator so that the axis of the contacts is perpendicular to the curved surface of the measured point, and measure the wall thickness of the specified part of the cone. Or use other measuring tools or instruments to measure. 4.4.2.8 Sealing surface width
Put the sealing surface of the cone upward on the platform, and use the thickness gauge or other measuring tools to measure its width at the specified height from the sealing surface. 4.4.2.9 Sealing surface flatness
Put the sealing surface of the cone downward on the reference platform, and use the automatic gauge or thickness gauge to measure the gap between the sealing surface and the reference platform.
4.4.2.10 Anode cap position offset
Use a measuring tool to measure the offset between the center of the anode cap and the plane of the short axis (or long axis) of the glass cone. 4.4.2.11 Distance from reference line to anode cap Place the glass cone sealing surface downward on the reference platform and use a height gauge or other measuring tool to measure the distance from the reference line plane of the glass cone to the center of the anode cap.
4.4.2.12 Cone neck sealing area outer diameter
The test diagram is shown in Figure 4.
SJ/T10543--94
Use a special gauge of specified size to clamp the cone neck sealing area. When the tip of the gauge can exceed the cone neck sealing line by 3mm, measure the maximum outer diameter of the cone neck sealing area.
Sealing line
Or use other measuring tools and instruments to measure. 4.4.2.13 Cone neck sealing area inner diameter
The test diagram is shown in Figure 5.
Insert a special plug gauge of specified size into the cone neck sealing area. When the top of the plug gauge can exceed the cone neck sealing line by 3mm, measure the minimum inner diameter of the cone neck sealing area.
Or use other measuring tools or instruments for measurement. 4.4.2.14 Thickness of cone neck sealing area
Measure the cone neck sealing area with a thickness gauge or other measuring tools. 4.4.2.15 Thickness difference of cone neck sealing area
Use a thickness gauge to measure the values of two (or four) radial points at the cone neck sealing. The maximum value minus the minimum value is the thickness difference of the cone neck sealing area.
4.4.2.16 Neck offset and neck tilt
The test schematic diagram is shown in Figure 6.
Method A:
Place the glass cone sealing surface downward on the tube neck offset and tube neck tilt gauge, and after accurate positioning, measure three specified points on the inner surface of the tube neck at a specified distance from the sealing surface, each at a 120-degree angle (one of which should be on the short axis on the side with the positioning block).
Measure the three specified points on plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points on plane A and plane B, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Method B:
Place the glass cone sealing surface downward on the tube neck offset and neck tilt gauge, and after accurate positioning, rotate the gauge platform, and measure three specified points on the outer surface of the tube neck at a 120° angle to each other at plane A and plane B at a specified distance from the sealing surface in 9
SJ/T10543-94
(one of the points should be on the short axis on the side with the positioning block). Measure the three specified points at plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points at plane A and plane B respectively, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Plane A
Plane 1
4.4.2.17 Outside diameter of pipe neck
Use a special pipe neck caliper of specified size to insert into the pipe neck and rotate 90° to measure the outside diameter of the pipe neck, or use other measuring tools to measure.
4.4.2.18 Inside diameter of pipe neck
Use a special plug gauge of specified size to insert into the pipe neck to measure the minimum inside diameter of the pipe neck, or use other measuring tools to measure. 4.4.2.19 Wall thickness of pipe neck
Use tools to measure the wall thickness of the pipe neck.
4.4.2.20 Outside diameter of the bell mouth of pipe neck
Use measuring tools to measure at the bell mouth of pipe neck. 4.4.2.21 Height of bell mouth of pipe neck
Use measuring tools to measure the height from the bell mouth of pipe neck to the straight part of pipe neck and the turning line of the bell mouth part. 4.4.2.22 Width of the grinding surface of the positioning block
Measure the width of the grinding surface at the specified position of the positioning block with a measuring tool. 4.4.2.23 Roughness of the inner surface of the cone
Take samples from the specified position of the glass cone and measure the samples with a roughness measuring instrument. And calculate according to the provisions of GB3505.
4.5 Glass property test and test method
When the following glass properties are required to be tested in the detailed specification, the test should be carried out according to the corresponding method given below (see also the content of Article 4.1 above).
4.5.1 Chromaticity coordinates
Chromaticity coordinates shall be tested in accordance with GB9474.2. 4.5.2 Light transmittance
Light transmittance shall be tested in accordance with GB9474.3. 4.5.3 Density
Density shall be tested in accordance with GB9622.1.
4.5.4 Average linear thermal expansion coefficient
SJ/T10543--94
The average linear thermal expansion coefficient is tested in accordance with GB9622.2. 4.5.5 Softening point
The softening point is tested in accordance with GB9622.4.
4.5.6 Annealing point and strain point
The annealing point and strain point are tested in accordance with GB9622.5. 4.5.7 X-ray absorption coefficient
The X-ray absorption coefficient can be calculated according to the density of the glass, the content of each oxide in the glass and the mass absorption coefficient of each oxide at the specified wavelength. The calculation formula is as follows: =pX=PXE(PRmOXR0%)
Where: μ-——X-ray absorption coefficient, 1/cm; HRm0a—mass absorption coefficient of oxide RmO., cm/g; RO.一一Oxide percentage:
pGlass density, g/cm2;
一Glass mass absorption coefficient, cm2/g. Unless otherwise specified, the X-ray absorption coefficient is usually expressed as the absorption coefficient at a wavelength of 0.06nm (20.6keV). The mass absorption coefficients of common oxides at a wavelength of 0.06nm are shown in the following table:RmOn
μRmDe
4.6 Glass screen and glass funnel performance test and test methodSro
When the detailed specification stipulates that the following glass screen and glass funnel performances are to be tested, the test shall be carried out according to the corresponding method given below. (See also the content of 4.1 above). 4.6.1 Thermal shock resistance
The thermal shock resistance shall be tested in accordance with 3.1 of SJ/T14010. 4.6.2 Compressive strength
The compressive strength shall be tested in accordance with 3.2 of SJ/T14010. 4.6.3 Residual stress
Residual stress shall be tested in accordance with GB9474.1. 4.6.4 Anode cap sealing firmness
Anode cap sealing firmness shall be tested in accordance with 3.6 of SJ/T14010. 116 Insertion depth of cone plug gauge
Place the specified cone plug gauge and reference line gauge close to the inner and outer sides of the cone deflection part respectively, and make the two gauges coaxial, and use the measuring tool to measure the distance from the top plane of the cone plug gauge to the reference line. 4.4.2.7 Cone wall thickness
Insert the cone between the two contacts of the dial indicator, adjust the cone and the contacts of the dial indicator so that the axis of the contacts is perpendicular to the curved surface of the measured point, and measure the wall thickness of the specified part of the cone. Or use other measuring tools and instruments to measure. 4.4.2.8 Sealing surface width
Put the cone sealing surface upward on the platform, and use the thickness gauge or other measuring tools to measure its width at the specified height from the sealing surface. 4.4.2.9 Sealing surface flatness
Put the cone sealing surface downward on the reference platform, and use the automatic gauge or thickness gauge to measure the gap between the sealing surface and the reference platform.
4.4.2.10 Anode cap position offset
Use a measuring tool to measure the offset between the center of the anode cap and the plane of the short axis (or long axis) of the glass cone. 4.4.2.11 Distance from reference line to anode cap Place the glass cone sealing surface downward on the reference platform and use a height gauge or other measuring tool to measure the distance from the reference line plane of the glass cone to the center of the anode cap.
4.4.2.12 Cone neck sealing area outer diameter
The test diagram is shown in Figure 4.
SJ/T10543--94
Use a special gauge of specified size to clamp the cone neck sealing area. When the tip of the gauge can exceed the cone neck sealing line by 3mm, measure the maximum outer diameter of the cone neck sealing area.
Sealing line
Or use other measuring tools and instruments to measure. 4.4.2.13 Cone neck sealing area inner diameter
The test diagram is shown in Figure 5.
Insert a special plug gauge of specified size into the cone neck sealing area. When the top of the plug gauge can exceed the cone neck sealing line by 3mm, measure the minimum inner diameter of the cone neck sealing area.
Or use other measuring tools or instruments for measurement. 4.4.2.14 Thickness of cone neck sealing area
Measure the cone neck sealing area with a thickness gauge or other measuring tools. 4.4.2.15 Thickness difference of cone neck sealing area
Use a thickness gauge to measure the values of two (or four) radial points at the cone neck sealing. The maximum value minus the minimum value is the thickness difference of the cone neck sealing area.
4.4.2.16 Neck offset and neck tilt
The test schematic diagram is shown in Figure 6.
Method A:
Place the glass cone sealing surface downward on the tube neck offset and tube neck tilt gauge, and after accurate positioning, measure three specified points on the inner surface of the tube neck at a specified distance from the sealing surface, each at a 120-degree angle (one of which should be on the short axis on the side with the positioning block).
Measure the three specified points on plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points on plane A and plane B, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Method B:
Place the glass cone sealing surface downward on the tube neck offset and neck tilt gauge, and after accurate positioning, rotate the gauge platform, and measure three specified points on the outer surface of the tube neck at a 120° angle to each other at plane A and plane B at a specified distance from the sealing surface in 9
SJ/T10543-94
(one of the points should be on the short axis on the side with the positioning block). Measure the three specified points at plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points at plane A and plane B respectively, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Plane A
Plane 1
4.4.2.17 Outside diameter of pipe neck
Use a special pipe neck caliper of specified size to insert into the pipe neck and rotate 90° to measure the outside diameter of the pipe neck, or use other measuring tools to measure.
4.4.2.18 Inside diameter of pipe neck
Use a special plug gauge of specified size to insert into the pipe neck to measure the minimum inside diameter of the pipe neck, or use other measuring tools to measure. 4.4.2.19 Wall thickness of pipe neck
Use tools to measure the wall thickness of the pipe neck.
4.4.2.20 Outside diameter of the bell mouth of pipe neck
Use measuring tools to measure at the bell mouth of pipe neck. 4.4.2.21 Height of bell mouth of pipe neck
Use measuring tools to measure the height from the bell mouth of pipe neck to the straight part of pipe neck and the turning line of the bell mouth part. 4.4.2.22 Width of the grinding surface of the positioning block
Measure the width of the grinding surface at the specified position of the positioning block with a measuring tool. 4.4.2.23 Roughness of the inner surface of the cone
Take samples from the specified position of the glass cone and measure the samples with a roughness measuring instrument. And calculate according to the provisions of GB3505.
4.5 Glass property test and test method
When the following glass properties are required to be tested in the detailed specification, the test should be carried out according to the corresponding method given below (see also the content of Article 4.1 above).
4.5.1 Chromaticity coordinates
Chromaticity coordinates shall be tested in accordance with GB9474.2. 4.5.2 Light transmittance
Light transmittance shall be tested in accordance with GB9474.3. 4.5.3 Density
Density shall be tested in accordance with GB9622.1.
4.5.4 Average linear thermal expansion coefficient
SJ/T10543--94
The average linear thermal expansion coefficient is tested in accordance with GB9622.2. 4.5.5 Softening point
The softening point is tested in accordance with GB9622.4.
4.5.6 Annealing point and strain point
The annealing point and strain point are tested in accordance with GB9622.5. 4.5.7 X-ray absorption coefficient
The X-ray absorption coefficient can be calculated according to the density of the glass, the content of each oxide in the glass and the mass absorption coefficient of each oxide at the specified wavelength. The calculation formula is as follows: =pX=PXE(PRmOXR0%)
Where: μ-——X-ray absorption coefficient, 1/cm; HRm0a—mass absorption coefficient of oxide RmO., cm/g; RO.一一Oxide percentage:
pGlass density, g/cm2;
一Glass mass absorption coefficient, cm2/g. Unless otherwise specified, the X-ray absorption coefficient is usually expressed as the absorption coefficient at a wavelength of 0.06nm (20.6keV). The mass absorption coefficients of common oxides at a wavelength of 0.06nm are shown in the following table:RmOn
μRmDe
4.6 Glass screen and glass funnel performance test and test methodSro
When the detailed specification stipulates that the following glass screen and glass funnel performances are to be tested, the test shall be carried out according to the corresponding method given below. (See also the content of 4.1 above). 4.6.1 Thermal shock resistance
The thermal shock resistance shall be tested in accordance with 3.1 of SJ/T14010. 4.6.2 Compressive strength
The compressive strength shall be tested in accordance with 3.2 of SJ/T14010. 4.6.3 Residual stress
Residual stress shall be tested in accordance with GB9474.1. 4.6.4 Anode cap sealing firmness
Anode cap sealing firmness shall be tested in accordance with 3.6 of SJ/T14010. 116 Insertion depth of cone plug gauge
Place the specified cone plug gauge and reference line gauge close to the inner and outer sides of the cone deflection part respectively, and make the two gauges coaxial, and use the measuring tool to measure the distance from the top plane of the cone plug gauge to the reference line. 4.4.2.7 Cone wall thickness
Insert the cone between the two contacts of the dial indicator, adjust the cone and the contacts of the dial indicator so that the axis of the contacts is perpendicular to the curved surface of the measured point, and measure the wall thickness of the specified part of the cone. Or use other measuring tools and instruments to measure. 4.4.2.8 Sealing surface width
Put the cone sealing surface upward on the platform, and use the thickness gauge or other measuring tools to measure its width at the specified height from the sealing surface. 4.4.2.9 Sealing surface flatness
Put the cone sealing surface downward on the reference platform, and use the automatic gauge or thickness gauge to measure the gap between the sealing surface and the reference platform.
4.4.2.10 Anode cap position offset
Use a measuring tool to measure the offset between the center of the anode cap and the plane of the short axis (or long axis) of the glass cone. 4.4.2.11 Distance from reference line to anode cap Place the glass cone sealing surface downward on the reference platform and use a height gauge or other measuring tool to measure the distance from the reference line plane of the glass cone to the center of the anode cap.
4.4.2.12 Cone neck sealing area outer diameter
The test diagram is shown in Figure 4.
SJ/T10543--94
Use a special gauge of specified size to clamp the cone neck sealing area. When the tip of the gauge can exceed the cone neck sealing line by 3mm, measure the maximum outer diameter of the cone neck sealing area.
Sealing line
Or use other measuring tools and instruments to measure. 4.4.2.13 Cone neck sealing area inner diameter
The test diagram is shown in Figure 5.
Insert a special plug gauge of specified size into the cone neck sealing area. When the top of the plug gauge can exceed the cone neck sealing line by 3mm, measure the minimum inner diameter of the cone neck sealing area.
Or use other measuring tools or instruments for measurement. 4.4.2.14 Thickness of cone neck sealing area
Measure the cone neck sealing area with a thickness gauge or other measuring tools. 4.4.2.15 Thickness difference of cone neck sealing area
Use a thickness gauge to measure the values of two (or four) radial points at the cone neck sealing. The maximum value minus the minimum value is the thickness difference of the cone neck sealing area.
4.4.2.16 Neck offset and neck tilt
The test schematic diagram is shown in Figure 6.
Method A:
Place the glass cone sealing surface downward on the tube neck offset and tube neck tilt gauge, and after accurate positioning, measure three specified points on the inner surface of the tube neck at a specified distance from the sealing surface, each at a 120-degree angle (one of which should be on the short axis on the side with the positioning block).
Measure the three specified points on plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points on plane A and plane B, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Method B:
Place the glass cone sealing surface downward on the tube neck offset and neck tilt gauge, and after accurate positioning, rotate the gauge platform, and measure three specified points on the outer surface of the tube neck at a 120° angle to each other at plane A and plane B at a specified distance from the sealing surface in 9
SJ/T10543-94
(one of the points should be on the short axis on the side with the positioning block). Measure the three specified points at plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points at plane A and plane B respectively, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Plane A
Plane 1
4.4.2.17 Outside diameter of pipe neck
Use a special pipe neck caliper of specified size to insert into the pipe neck and rotate 90° to measure the outside diameter of the pipe neck, or use other measuring tools to measure.
4.4.2.18 Inside diameter of pipe neck
Use a special plug gauge of specified size to insert into the pipe neck to measure the minimum inside diameter of the pipe neck, or use other measuring tools to measure. 4.4.2.19 Wall thickness of pipe neck
Use tools to measure the wall thickness of the pipe neck.
4.4.2.20 Outside diameter of the bell mouth of pipe neck
Use measuring tools to measure at the bell mouth of pipe neck. 4.4.2.21 Height of bell mouth of pipe neck
Use measuring tools to measure the height from the bell mouth of pipe neck to the straight part of pipe neck and the turning line of the bell mouth part. 4.4.2.22 Width of the grinding surface of the positioning block
Measure the width of the grinding surface at the specified position of the positioning block with a measuring tool. 4.4.2.23 Roughness of the inner surface of the cone
Take samples from the specified position of the glass cone and measure the samples with a roughness measuring instrument. And calculate according to the provisions of GB3505.
4.5 Glass property test and test method
When the following glass properties are required to be tested in the detailed specification, the test should be carried out according to the corresponding method given below (see also the content of Article 4.1 above).
4.5.1 Chromaticity coordinates
Chromaticity coordinates shall be tested in accordance with GB9474.2. 4.5.2 Light transmittance
Light transmittance shall be tested in accordance with GB9474.3. 4.5.3 Density
Density shall be tested in accordance with GB9622.1.
4.5.4 Average linear thermal expansion coefficient
SJ/T10543--94
The average linear thermal expansion coefficient is tested in accordance with GB9622.2. 4.5.5 Softening point
The softening point is tested in accordance with GB9622.4.
4.5.6 Annealing point and strain point
The annealing point and strain point are tested in accordance with GB9622.5. 4.5.7 X-ray absorption coefficient
The X-ray absorption coefficient can be calculated according to the density of the glass, the content of each oxide in the glass and the mass absorption coefficient of each oxide at the specified wavelength. The calculation formula is as follows: =pX=PXE(PRmOXR0%)
Where: μ-——X-ray absorption coefficient, 1/cm; HRm0a—mass absorption coefficient of oxide RmO., cm/g; RO.一一Oxide percentage:
pGlass density, g/cm2;
一Glass mass absorption coefficient, cm2/g. Unless otherwise specified, the X-ray absorption coefficient is usually expressed as the absorption coefficient at a wavelength of 0.06nm (20.6keV). The mass absorption coefficients of common oxides at a wavelength of 0.06nm are shown in the following table:RmOn
μRmDe
4.6 Glass screen and glass funnel performance test and test methodSro
When the detailed specification stipulates that the following glass screen and glass funnel performances are to be tested, the test shall be carried out according to the corresponding method given below. (See also the content of 4.1 above). 4.6.1 Thermal shock resistance
The thermal shock resistance shall be tested in accordance with 3.1 of SJ/T14010. 4.6.2 Compressive strength
The compressive strength shall be tested in accordance with 3.2 of SJ/T14010. 4.6.3 Residual stress
Residual stress shall be tested in accordance with GB9474.1. 4.6.4 Anode cap sealing firmness
Anode cap sealing firmness shall be tested in accordance with 3.6 of SJ/T14010. 1113 The test diagram of the inner diameter of the cone neck sealing area
is shown in Figure 5.
Insert a special plug gauge of specified size into the cone neck sealing area. When the top of the plug gauge can exceed the cone neck sealing line by 3mm, measure the minimum inner diameter of the cone neck sealing area.
Or use other measuring tools or instruments to measure. 4.4.2.14 The thickness of the cone neck sealing area
Measure the cone neck sealing area with a thickness gauge or other measuring tools. 4.4.2.15 The thickness difference of the cone neck sealing area
Use a thickness gauge to measure the values of two (or four) radial points at the cone neck sealing. The thickness difference of the cone neck sealing area is the maximum value minus the minimum value.
4.4.2.16 The test diagram of the tube neck offset and tube neck tilt
is shown in Figure 6.
Method A:
Place the glass cone sealing surface downward on the tube neck offset and tube neck tilt gauge, and after accurate positioning, measure three specified points on the inner surface of the tube neck at a specified distance from the sealing surface, each at a 120-degree angle (one of which should be on the short axis on the side with the positioning block).
Measure the three specified points on plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points on plane A and plane B, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Method B:
Place the glass cone sealing surface downward on the tube neck offset and neck tilt gauge, and after accurate positioning, rotate the gauge platform, and measure three specified points on the outer surface of the tube neck at a 120° angle to each other at plane A and plane B at a specified distance from the sealing surface in 9
SJ/T10543-94
(one of the points should be on the short axis on the side with the positioning block). Measure the three specified points at plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points at plane A and plane B respectively, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Plane A
Plane 1
4.4.2.17 Outside diameter of pipe neck
Use a special pipe neck caliper of specified size to insert into the pipe neck and rotate 90° to measure the outside diameter of the pipe neck, or use other measuring tools to measure.
4.4.2.18 Inside diameter of pipe neck
Use a special plug gauge of specified size to insert into the pipe neck to measure the minimum inside diameter of the pipe neck, or use other measuring tools to measure. 4.4.2.19 Wall thickness of pipe neck
Use tools to measure the wall thickness of the pipe neck.
4.4.2.20 Outside diameter of the bell mouth of pipe neck
Use measuring tools to measure at the bell mouth of pipe neck. 4.4.2.21 Height of bell mouth of pipe neck
Use measuring tools to measure the height from the bell mouth of pipe neck to the straight part of pipe neck and the turning line of the bell mouth part. 4.4.2.22 Width of the grinding surface of the positioning block
Measure the width of the grinding surface at the specified position of the positioning block with a measuring tool. 4.4.2.23 Roughness of the inner surface of the cone
Take samples from the specified position of the glass cone and measure the samples with a roughness measuring instrument. And calculate according to the provisions of GB3505.
4.5 Glass property test and test method
When the following glass properties are required to be tested in the detailed specification, the test should be carried out according to the corresponding method given below (see also the content of Article 4.1 above).
4.5.1 Chromaticity coordinates
Chromaticity coordinates shall be tested in accordance with GB9474.2. 4.5.2 Light transmittance
Light transmittance shall be tested in accordance with GB9474.3. 4.5.3 Density
Density shall be tested in accordance with GB9622.1.
4.5.4 Average linear thermal expansion coefficient
SJ/T10543--94
The average linear thermal expansion coefficient is tested in accordance with GB9622.2. 4.5.5 Softening point
The softening point is tested in accordance with GB9622.4.
4.5.6 Annealing point and strain point
The annealing point and strain point are tested in accordance with GB9622.5. 4.5.7 X-ray absorption coefficient
The X-ray absorption coefficient can be calculated according to the density of the glass, the content of each oxide in the glass and the mass absorption coefficient of each oxide at the specified wavelength. The calculation formula is as follows: =pX=PXE(PRmOXR0%)
Where: μ-——X-ray absorption coefficient, 1/cm; HRm0a—mass absorption coefficient of oxide RmO., cm/g; RO.一一Oxide percentage:
pGlass density, g/cm2;
一Glass mass absorption coefficient, cm2/g. Unless otherwise specified, the X-ray absorption coefficient is usually expressed as the absorption coefficient at a wavelength of 0.06nm (20.6keV). The mass absorption coefficients of common oxides at a wavelength of 0.06nm are shown in the following table:RmOn
μRmDe
4.6 Glass screen and glass funnel performance test and test methodSro
When the detailed specification stipulates that the following glass screen and glass funnel performances are to be tested, the test shall be carried out according to the corresponding method given below. (See also the content of 4.1 above). 4.6.1 Thermal shock resistance
The thermal shock resistance shall be tested in accordance with 3.1 of SJ/T14010. 4.6.2 Compressive strength
The compressive strength shall be tested in accordance with 3.2 of SJ/T14010. 4.6.3 Residual stress
Residual stress shall be tested in accordance with GB9474.1. 4.6.4 Anode cap sealing firmness
Anode cap sealing firmness shall be tested in accordance with 3.6 of SJ/T14010. 1113 The test diagram of the inner diameter of the cone neck sealing area
is shown in Figure 5.
Insert a special plug gauge of specified size into the cone neck sealing area. When the top of the plug gauge can exceed the cone neck sealing line by 3mm, measure the minimum inner diameter of the cone neck sealing area.
Or use other measuring tools or instruments to measure. 4.4.2.14 The thickness of the cone neck sealing area
Measure the cone neck sealing area with a thickness gauge or other measuring tools. 4.4.2.15 The thickness difference of the cone neck sealing area
Use a thickness gauge to measure the values of two (or four) radial points at the cone neck sealing. The thickness difference of the cone neck sealing area is the maximum value minus the minimum value.
4.4.2.16 The test diagram of the tube neck offset and tube neck tilt
is shown in Figure 6.
Method A:
Place the glass cone sealing surface downward on the tube neck offset and tube neck tilt gauge, and after accurate positioning, measure three specified points on the inner surface of the tube neck at a specified distance from the sealing surface, each at a 120-degree angle (one of which should be on the short axis on the side with the positioning block).
Measure the three specified points on plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points on plane A and plane B, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Method B:
Place the glass cone sealing surface downward on the tube neck offset and neck tilt gauge, and after accurate positioning, rotate the gauge platform, and measure three specified points on the outer surface of the tube neck at a 120° angle to each other at plane A and plane B at a specified distance from the sealing surface in 9
SJ/T10543-94
(one of the points should be on the short axis on the side with the positioning block). Measure the three specified points at plane B, and the maximum value of the difference between the measured values of any two of the three points is the tube neck offset value. Measure the three specified points at plane A and plane B respectively, and the maximum value of the difference between the measured values of the two points at their relative positions is the tube neck tilt value.
Plane A
Plane 1
4.4.2.17 Outside diameter of pipe neck
Use a special pipe neck caliper of specified size to insert into the pipe neck and rotate 90° to measure the outside diameter of the pipe neck, or use other measuring tools to measure.
4.4.2.18 Inside diameter of pipe neck
Use a special plug gauge of specified size to insert into the pipe neck to measure the minimum inside diameter of the pipe neck, or use other measuring tools to measure. 4.4.2.19 Wall thickness of pipe neck
Use tools to measure the wall thickness of the pipe neck.
4.4.2.20 Outside diameter of the bell mouth of pipe neck
Use measuring tools to measure at the bell mouth of pipe neck. 4.4.2.21 Height of bell mouth of pipe neck
Use measuring tools to measure the height from the bell mouth of pipe neck to the straight part of pipe neck and the turning line of the bell mouth part. 4.4.2.22 Width of the grinding surface of the positioning block
Measure the width of the grinding surface at the specified position of the positioning block with a measuring tool. 4.4.2.23 Roughness of the inner surface of the cone
Take samples from the specified position of the glass cone and measure the samples with a roughness measuring instrument. And calculate according to the provisions of GB3505.
4.5 Glass property test and test method
When the following glass properties are required to be tested in the detailed specification, the test should be carried out according to the corresponding method given below (see also the content of Article 4.1 above).
4.5.1 Chromaticity coordinates
Chromaticity coordinates shall be tested in accordance with GB9474.2. 4.5.2 Light transmittance
Light transmittance shall be tested in accordance with GB9474.3. 4.5.3 Density
Density shall be tested in accordance with GB9622.1.
4.5.4 Average linear thermal expansion coefficient
SJ/T10543--94
The average linear thermal expansion coefficient is tested in accordance with GB9622.2. 4.5.5 Softening point
The softening point is tested in accordance with GB9622.4.
4.5.6 Annealing point and strain point
The annealing point and strain point are tested in accordance with GB9622.5. 4.5.7 X-ray absorption coefficient
The X-ray absorption coefficient can be calculated according to the density of the glass, the content of each oxide in the glass and the mass absorption coefficient of each oxide at the specified wavelength. The calculation formula is as follows: =pX=PXE(PRmOXR0%)
Where: μ-——X-ray absorption coefficient, 1/cm; HRm0a—mass absorption coefficient of oxide RmO., cm/g; RO.一一Oxide percentage:
pGlass density, g/cm2;bZxz.net
一Glass mass absorption coefficient, cm2/g. Unless otherwise specified, the X-ray absorption coefficient is usually expressed as the absorption coefficient at a wavelength of 0.06nm (20.6keV). The mass absorption coefficients of common oxides at a wavelength of 0.06nm are shown in the following table:RmOn
μRmDe
4.6 Glass screen and glass funnel performance test and test methodSro
When the detailed specification stipulates that the following glass screen and glass funnel performances are to be tested, the test shall be carried out according to the corresponding method given below. (See also the content of 4.1 above). 4.6.1 Thermal shock resistance
The thermal shock resistance shall be tested in accordance with 3.1 of SJ/T14010. 4.6.2 Compressive strength
The compressive strength shall be tested in accordance with 3.2 of SJ/T14010. 4.6.3 Residual stress
Residual stress shall be tested in accordance with GB9474.1. 4.6.4 Anode cap sealing firmness
Anode cap sealing firmness shall be tested in accordance with 3.6 of SJ/T14010. 115.3 Density
Density shall be tested in accordance with GB9622.1.
4.5.4 Average linear thermal expansion coefficient
SJ/T10543--94
Average linear thermal expansion coefficient shall be tested in accordance with GB9622.2. 4.5.5 Softening point
Softening point shall be tested in accordance with GB9622.4.
4.5.6 Annealing point and strain point
Annealing point and strain point shall be tested in accordance with GB9622.5. 4.5.7 X-ray absorption coefficient
The X-ray absorption coefficient can be calculated according to the density of the glass, the content of each oxide in the glass and the mass absorption coefficient of each oxide at the specified wavelength. The calculation formula is as follows: =pX=PXE(PRmOXR0%)
Where: μ-——X-ray absorption coefficient, 1/cm; HRm0a—mass absorption coefficient of oxide RmO., cm/g; RO. ——Percentage of oxide:
pGlass density, g/cm;
——Mass absorption coefficient of glass, cm/g. Unless otherwise specified, the X-ray absorption coefficient is usually expressed as the absorption coefficient at a wavelength of 0.06nm (20.6keV). The mass absorption coefficients of common oxides at a wavelength of 0.06nm are shown in the following table: RmOn
μRmDe
4.6 Test and test methods for glass screen and glass funnel performance Sro
Where the detailed specifications specify the inspection of the following related glass screen and glass funnel performance, the test should be carried out according to the corresponding methods given below. (See also the content of Article 4.1 above). 4.6.1 Thermal shock resistance
The thermal shock resistance shall be tested in accordance with Article 3.1 of SJ/T14010. 4.6.2 Compressive strength
The compressive strength shall be tested in accordance with Article 3.2 of SJ/T14010. 4.6.3 Residual stress
Residual stress shall be tested in accordance with GB9474.1. 4.6.4 Anode cap sealing firmness
Anode cap sealing firmness shall be tested in accordance with Article 3.6 of SJ/T14010. 115.3 Density
Density shall be tested in accordance with GB9622.1.
4.5.4 Average linear thermal expansion coefficient
SJ/T10543--94
Average linear thermal expansion coefficient shall be tested in accordance with GB9622.2. 4.5.5 Softening point
Softening point shall be tested in accordance with GB9622.4.
4.5.6 Annealing point and strain point
Annealing point and strain point shall be tested in accordance with GB9622.5. 4.5.7 X-ray absorption coefficient
The X-ray absorption coefficient can be calculated according to the density of the glass, the content of each oxide in the glass and the mass absorption coefficient of each oxide at the specified wavelength. The calculation formula is as follows: =pX=PXE(PRmOXR0%)
Where: μ-——X-ray absorption coefficient, 1/cm; HRm0a—mass absorption coefficient of oxide RmO., cm/g; RO. ——Percentage of oxide:
pGlass density, g/cm;
——Mass absorption coefficient of glass, cm/g. Unless otherwise specified, the X-ray absorption coefficient is usually expressed as the absorption coefficient at a wavelength of 0.06nm (20.6keV). The mass absorption coefficients of common oxides at a wavelength of 0.06nm are shown in the following table: RmOn
μRmDe
4.6 Test and test methods for glass screen and glass funnel performance Sro
Where the detailed specifications specify the inspection of the following related glass screen and glass funnel performance, the test should be carried out according to the corresponding methods given below. (See also the content of Article 4.1 above). 4.6.1 Thermal shock resistance
The thermal shock resistance shall be tested in accordance with Article 3.1 of SJ/T14010. 4.6.2 Compressive strength
The compressive strength shall be tested in accordance with Article 3.2 of SJ/T14010. 4.6.3 Residual stress
Residual stress shall be tested in accordance with GB9474.1. 4.6.4 Anode cap sealing firmness
Anode cap sealing firmness shall be tested in accordance with Article 3.6 of SJ/T14010. 11
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