JB/T 9957.1-1999 Performance test method for four-column hydraulic press
Some standard content:
[CS 25.120.10
Machinery Industry Standard of the People's Republic of China
JB/T9957.1-—1999
Four-column hydraulic press
1999-05-14 Issued
Performance test method
2000-01-01 Implementation
National Bureau of Machinery Industry
JB/T9957.1—1999
This standard is a revision of ZBJ62014—88 "Performance test method for four-column hydraulic press". This standard is consistent with the technical content of J62014—88, and has been revised in accordance with relevant regulations. This standard has been implemented since January 1, 2000.
This standard shall replace ZBJ62014-88 from the date of implementation. Appendix A of this standard is the appendix of the standard.
This standard is issued and managed by the National Standardization Technical Committee for Pressing Machinery. The responsible drafting unit of this standard: Extrusion and Forging Machinery Research Institute. This standard was first issued in April 1988.
Machinery Industry Standard of the People's Republic of China
Four-column hydraulic press
Performance test method
The standard specifies the performance requirements and test methods of four-column hydraulic press. This standard applies to four-column filter presses for general purposes. 2 Reference standard additions
JB/T9957.1-1999
The provisions contained in the following standards are taken as the provisions of this standard by citing them in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should discuss the possibility of using the latest version of the following standards. B/13818-1999 Technical conditions for hydraulic presses
2 3915-.1925
Safety technical features of hydraulic presses
Forging machinery hydraulic system deactivation
FB99541999
JB99671999
3 General requirements
Hydraulic press sound value
3.1 After the product is inspected, except for the parts that are allowed to be adjusted as specified in this standard, it is not allowed to adjust the mechanisms and components that affect the precision and performance. 3.2 The accuracy of the filter speed machine shall be determined based on the accuracy value detected after the test. 3.3 When it is not the specified measurement or section, it can be replaced by a method that has the same effect as the specified test means. 3.4 This standard does not limit the model and specifications of the test instrument, but only specifies the instrument combination of each physical quantity of the measuring disk. The system measures viscosity after calibration, Appendix A [Appendix to the standard].
4 Test method
Precision test before test
Pressure holding parts performance test
Test method
Inspect according to the items and methods specified in the relevant standards) Place the test pressure iron in the middle of the workbench; b) Adjust the working pressure according to the nominal small adjustment of the machine: Technical requirements
All precision parts should comply with
Related standards
Pressure reduction value
Should comply with JB.T3B18
) The test temperature of the hydraulic system is maintained at (505) (use heating or other methods to increase the oil temperature. When heating, the hydraulic press should be operated at no load for a period of time to make all parts of the system run at low load. d) When the hydraulic press is under the nominal force, stop the pump or reverse the direction to maintain the pressure for 10 minutes, and use the oil pressure gauge to measure the pressure drop value: e) Test three times and take the arithmetic average value as the guaranteed pressure drop value of the hydraulic press
Approved by the State Machinery Industry Association on May 14, 1999
Implementation on January 1, 2000
Test items
When the slider stops suddenly (urgently), the inertia drop value
Static rigid rotation test
JB/T9957.1-1999
Test force method
, a) Set the lower limit position travel switch at 3/4 of the effective travel of the slider. Remove the slow travel switch: b) Mark the displacement sensor:
C) Set the displacement sensor on one side of the workbench so that the height of its contact surface is slightly higher than the position height of the travel switch, see Figure 1. When the slider moves down to the travel switch at the maximum speed, the normally closed contact of the travel switch in the electrical control circuit is disconnected, sending a clear stop signal, and the number is entered into the recording device, and marked A. Record the distance traveled by the displacement sensor driven by the slider from the time the stop signal is sent to the stop point B of the block. See National Test System Specifications in National Test 2. See Figure 3 for the inertial displacement and time curve:
d) Calculate the inertial descent value according to formula I:
Where:
Inertial descent value, mm
S Slider drives the displacement sensor to travel the amplitude, mTI:
Calibration value of the displacement sensor, displacement mm/amplitude m Test three times and take the arithmetic average as the inertial descent value of the injection molding machine
a) Place the test pressure iron in the middle of the workbench. The side length of the test pressure iron should be equal to or less than 12 of the left and right dimensions of the effective area of the press workbench, and the total height should be full of the slider stroke; Technical requirements
The slow descent value should
comply with
of B3913: Specifications The deflection of the pressure reducer, the upper beam and the working surface should meet the relevant standards. 6) Install the calibrated pressure sensor at the main oil cylinder outlet (attached) and adjust the liquid working pressure according to the nominal force of the follow-up press. The control diagram of the test system is shown in the figure: d) Fix the dial gauge 1 in the middle of the long side of the workbench. Support, touch the dial indicator head to the middle of the long side of the upper horizontal line 30mm away from the edge of the oil cylinder, and measure the total deformation perpendicular to the workbench (mm) (see Figure 5:
) Place a flat ruler on the other side of the workbench, and support it with equal height blocks at both ends of the flat ruler. The distance between the support points should be equal to the center distance of the left vertical workbench. Adsorb the magnetic table seat to the middle position of the flat ruler, touch the contact of the dial indicator 5 to the middle position of the long side of the workbench, and measure the working surface of the plate. Depth of worktable (mm);
Test items
Force in the oil cylinder
Filling without lag
Time after filling
JB/T9957.1—1999
Test method
Force On the ground at one side of the long side of the worktable, set the positions of dial indicators 2, 3, and 4, and touch the ends of dial indicators 2, 3, and 4 on the two ends and The middle position is on, and the two end measuring points are the center line positions. The measuring disk is used to determine the beam deflection (): the upper transverse deflection = table 3 reading - (table 2 reading + table 4 reading); 2
before the interception, each percentage indicator is adjusted to zero:
Under the nominal force of the liquid crystal machine, read out each percentage deflection number at the same time;
) Test and take the arithmetic mean.
1 Simultaneous reading of the table is useful, and the test is allowed to be moved for 7 square feet. When the center of the small dry heart is some time, the technical requirements of the bypass dream are calculated by conversion
() should be
a) Place the hydraulic loader in the middle position of the workbench: b) Set the calibrated pressure sensors on the inlet and return ports (or nearby and on the pipelines of the hydraulic loader, Figure 6:) Adjust the working capacity of the pressure relief machine according to the nominal force of the pressure relief machine: d) According to the designed technical parameters of the two sections: Test the changes in the pressure in the oil of the hydraulic press during a working cycle. The test system is as follows: Figure 4: Test and record the changes in the internal pressure of the oil: The magnetic loading cylinder or force and the friction force are equal to 101P, and the degree of support force is calculated according to P5%:
formula: ——pressure machine nominal force, kN: P net force, kN;
-—loading oil starting area,
—add oil beach working pressure hall,.
reach the following network
) Place the fast-to-slow-speed travel switch at 3/4 of the effective travel support ±25mm of the hydraulic press, see Figure 8:
b) Place the pressure test pad on the middle position of the workbench, and adjust the total contact surface height so that the slow-speed travel is less than or equal to 30mm) Set the calibrated positive sensor at the main oil cylinder (or nearby) when the oil is inlet to the main oil cylinder. According to the nominal force of the hydraulic press, the impact pressure P
generated by the cylinder when the working pressure is reduced should comply with the provisions of
3818,
【2) The center of gravity during the fast-speed stroke shall not exceed 25
(1) Hydraulic presses using their own weight or using speed-increasing cylinders filled with liquid need to undergo a
reading test.
【2】After filling the pressure-boosting lake
, the time is simplified as.
（）Permitted adjustment
Section back selection test
Test age items
Speed test
Test of cleanliness
of pressure-transfer system
JB/T9957.1—1999
Test method
e) Install a stop plate and a displacement sensor on one side of the slider and the workbench. The contact surface height of the fast displacement sensor is slightly higher than the position height of the fast-acting speed-promoting switch:
F makes the slider move downward at the maximum idle speed. When the slider contacts the test pad, the displacement sensor has no stroke. The recording device records the time from this point to the time before the oil pressure starts to rise, that is, the time after the pressure increase of the filling system. The test system diagram is shown in Figure 9, and the time curve after the rise is shown in Figure 10. a) Take the slider 3/4 effective stroke ± 25 mm as the stroke distance for measuring the slider idle speed:
According to technical requirements, all speeds should meet relevant standards and regulations. b) For filter presses with a nominal force less than 1000 kN, the working stroke should be equal to or greater than 70 mm. For filter presses with a nominal force equal to or greater than 1000 kN, the working stroke should be equal to 100 mm. The stroke of the filter press should meet the above requirements:
Fix the pulse signal sensor on one side of the slider and the workbench, see Figure 6:
Adjust the speed values according to the designed technical parameters; Test the idle speed, working speed at full load and daily speed of the hydraulic press in a working cycle:
See Figure 12 for the test system block diagram. Pressure displacement and time curve see medical 11:
) According to the time corresponding to the measured number of electric pulses, calculate the speed values according to the formula.
In the formula; - speed, mrs:
S position, m;
time,
a) Follow the provisions of relevant standards
b) Measure the A-weighted sound power level Lw of the hydraulic press when it is running continuously without load, [dB(A)1 and the A-weighted sound pressure level of the hydraulic press when it is running continuously without load and full load [dBA]
Follow the provisions of PT/T9954
The noise should meet the requirements of PT
9967 hydraulic system liquid concentration should comply with the provisions of JBIT 9954. Test items Pressure reduction system Transmission efficiency JB/T 9957.1—1999 Test method a) Place the filter pressure loader at the middle position of the workbench: b) Install the calibrated pressure sensors in the main cylinder inlet and outlet [or nearby] and the filter pressure loader pipeline [:, see National 6: c) Adjust the liquid working pressure according to the nominal force of the hydraulic press; ) Adjust the speed according to the design requirements; the idle speed stroke is 3/4 of the effective stroke of the slider ± 25mm. Working stroke at full load: hydraulic press with nominal force less than: 1000kN should wait for 70m, hydraulic press with nominal force equal to or greater than 1000kN should wait for 100m. 1 System test The temperature is kept at 50±5℃. It is allowed to use a calorimeter or other methods to increase the oil temperature. When heating, the hydraulic press should also run at no load to make the oil temperature of each part of the system uniform. Before the test, power calibration (power W point mm: h) is carried out. The pressure, displacement and time curve of one upper working ring of the filter press are recorded in the test, as shown in Figure 11. The block diagram of the test system is shown in Figure 12: The test records the power of the motor in the hydraulic press during a working cycle, see Figure 13, and the block diagram of the test system is shown in Figure 14: According to the pressure, displacement and time curves measured in Figure 11, and the typical efficiency curve given by the motor sample is shown in Figure 15, the transmission efficiency of the hydraulic system in a working cycle and the transmission efficiency of the hydraulic system in a working stroke are calculated according to the following formula:
乃Y乐
The work output of the actuator in a working cycle The work of the input shaft in a working cycle
Fwork+work+N空视+work+N理
The output efficiency of the actuator in a working process is 100% The input power of the system in a working stroke
FTmSf×100%
NTEFTnTwork
Formula: FLwork-Load force F during the working stroke =I0-4), kN:pThe working pressure of the refueling cylinder, MPa: The appropriate area for loading oil and oxygen, the displacement of the slider during the working stroke, m
NHard work, NI operation, N handling
Working civil
The average power of the input motor in each stage,
The motor efficiency during the actual use of the service stage:
The travel time of each stage, 5
Technical requirements
Bay pressure system
Transmission efficiency
Comply with relevant standards
Standards and regulations
Test items
Feasibility test
Pressure inspection after the test
JB/T 5957.1-1999
Test method
a) Record the operation test according to two shifts every day, and the total number of operation cycles shall not be less than 10,000 times:
Technical requirements
(1) After the commercial load operation
, the oil temperature in the oil tank is higher than 60;
b) The test is carried out under the condition of full pin, and the eccentricity value is 3% of the center distance L of the filter press column:|| tt||e) Biased test position as specified in Figure 6: When the slider cycles less than 2.5 times per minute, a small amount of force is allowed (to reach 2.5 cycles per minute) for testing:
) The speed value is adjusted according to the value specified in the technical data, and the principle is to use 34% of the effective stroke: The working stroke when fully loaded: For filter presses with a nominal force less than 1000kN, it should be equal to or greater than 70mm; for filter presses with a nominal force equal to or greater than 1000kN, it should be equal to or greater than 70mm. 1. For a press machine, it should be equal to or greater than 100mr: Before the test run, record the original surface condition of the main friction pair (piston rod and column):
g) During the first day of the online class operation test, measure and record the oil temperature once every 0.5h;
h During the operation test, observe and record the faults and paint and leakage at any time;
) After the test run, check and record the surface condition of the main friction pair:
J After the test run, record the total number of cycles and the total operation time (excluding shutdown and non-fault-eliminating time) and conduct inspections according to the items and methods specified in the relevant standards (2) During the test,
parts that need to be replaced before normal operation are allowed to occur.
【3 During the test.
Minor faults (failures that do not replace the quaternary formaldehyde and can continue to operate after adjustment) shall not constitute super-efficiency five
(42 During the test, there should be no scratches on the surface of the friction pair (S). During the test, there should be no paint on the joints and leakage. All precisions should comply with the relevant standards. J/T 9957.1--[999] Read! Readability drop value test installation diagram
adapter
recording device
4 line use
action signaling device
Figure 2 Inertial displacement test force report diagram
Line state well gate
position book product
Figure 3 Inertial displacement test curve
Le force transmitter
JB/T9957.1—[999
Dynamic variable strain seat instrument
Figure 4 Pressure test phase diagram
Positive Force sensor
Recording device
Dazhengdeng chain
Figure 5 Measurement test installation diagram
JB/T9957.1—1999
Shanghu year force dream land
/ Available model
Figure 6 Pressure and displacement test installation diagram
Figure Oil pressure test curve
Force sensor
Displacement transfer
Position state
Pressure
JR/T 9957.1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation true
converter
filling filter boost time test block diagram
precise and type pressure
Figure 10 filling boost time test curve1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation real
converter
filling filter boost time test block diagram
precision and type pressure
Figure 10 filling boost time test curve1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation real
converter
filling filter boost time test block diagram
precision and type pressure
Figure 10 filling boost time test curve1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation real
converter
filling filter boost time test block diagram
precision and type pressure
Figure 10 filling boost time test curve1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation real
converter
filling filter boost time test block diagram
precision and type pressure
Figure 10 filling boost time test curve
S position, m;
time,
a) Perform in accordance with the relevant standards
b) Measure the A-weighted sound power level Lw of the hydraulic press when it is running continuously without load, [dB(A)1 and the A-weighted sound pressure level of the hydraulic press when it is running continuously without load and full load [dBA]]
Perform in accordance with the provisions of PT/T9954
The sound quality should comply with the provisions of PT
9967. |tt||The hydraulic system liquid
The degree of purity shall comply with the provisions of JBIT
9954
Test items
Pressure reduction system
Transmission efficiency
JB/T9957.1—1999
Test method
a) Place the filter pressure loader at the middle position of the workbench: b) Install the calibrated pressure sensors in the main cylinder inlet and outlet respectively! ! [or nearby) and the filter pressure loader pipeline [:, see National 6: c) Adjust the liquid working pressure according to the nominal force of the hydraulic press; ) Adjust the speed according to the design requirements; the idle speed stroke is 3/4 of the effective stroke of the slider ± 25mm. The working stroke when fully loaded: the hydraulic press with a nominal force less than: 1000kN should be 70m yuan, and the hydraulic press with a nominal force equal to or greater than 1000kN should be 100m yuan. 1 System test temperature is maintained at 50±5℃. It is allowed to use a calorimeter or other methods to increase the oil temperature. When heating, the hydraulic press should be operated at no load at the same time to make the oil temperature of each part of the system uniform. Before the test, power calibration (power W point mm: h) is carried out. The pressure, displacement and time curve of the filter press are recorded in one upper working ring, as shown in Figure 11. The block diagram of the test system is shown in Figure 12: The test records the power of the motor in the hydraulic press during a working cycle, see Figure 13, and the block diagram of the test system is shown in Figure 14: According to the pressure, displacement and time curves measured in Figure 11, and the typical efficiency curve given by the motor sample is shown in Figure 15, the transmission efficiency of the hydraulic system in a working cycle and the transmission efficiency of the hydraulic system in a working stroke are calculated according to the following formula:
乃Y乐
The work output of the actuator in a working cycle The work of the input shaft in a working cycle
Fwork+work+N空视+work+N理
The output efficiency of the actuator in a working process is 100% The input power of the system in a working stroke
FTmSf×100%
NTEFTnTwork
Formula: FLwork-Load force F during the working stroke =I0-4), kN:pThe working pressure of the refueling cylinder, MPa: The appropriate area for loading oil and oxygen, the displacement of the slider during the working stroke, m
NHard work, NI operation, N handling
Working civil
The average power of the input motor in each stage,
The motor efficiency during the actual use of the service stage:
The travel time of each stage, 5
Technical requirements
Bay pressure system
Transmission efficiency
Comply with relevant standards
Standards and regulations
Test items
Feasibility test
Pressure inspection after the test
JB/T 5957.1-1999
Test method
a) Record the operation test according to two shifts every day, and the total number of operation cycles shall not be less than 10,000 times:
Technical requirements
(1) After the commercial load operation
, the oil temperature in the oil tank is higher than 60;
b) The test is carried out under the condition of full pin, and the eccentricity value is 3% of the center distance L of the filter press column:|| tt||e) Biased test position as specified in Figure 6: When the slider cycles less than 2.5 times per minute, a small amount of force is allowed (to reach 2.5 cycles per minute) for testing:
) The speed value is adjusted according to the value specified in the technical data, and the principle is to use 34% of the effective stroke: The working stroke when fully loaded: For filter presses with a nominal force less than 1000kN, it should be equal to or greater than 70mm; for filter presses with a nominal force equal to or greater than 1000kN, it should be equal to or greater than 70mm. 1. For a press machine, it should be equal to or greater than 100mr: Before the test run, record the original surface condition of the main friction pair (piston rod and column):
g) During the first day of the online class operation test, measure and record the oil temperature once every 0.5h;
h During the operation test, observe and record the faults and paint and leakage at any time;
) After the test run, check and record the surface condition of the main friction pair:
J After the test run, record the total number of cycles and the total operation time (excluding shutdown and non-fault-eliminating time) and conduct inspections according to the items and methods specified in the relevant standards (2) During the test,
parts that need to be replaced before normal operation are allowed to occur.
【3 During the test.
Minor faults (failures that do not replace the quaternary formaldehyde and can continue to operate after adjustment) shall not constitute super-efficiency five
(42 During the test, there should be no scratches on the surface of the friction pair (S). During the test, there should be no paint on the joints and leakage. All precisions should comply with the relevant standards. J/T 9957.1--[999] Read! Readability drop value test installation diagram
adapter
recording device
4 line use
action signaling device
Figure 2 Inertial displacement test force report diagram
Line state well gate
position book product
Figure 3 Inertial displacement test curve
Le force transmitter
JB/T9957.1—[999
Dynamic variable strain seat instrument
Figure 4 Pressure test phase diagram
Positive Force sensor
Recording device
Dazhengdeng chain
Figure 5 Measurement test installation diagram
JB/T9957.1—1999
Shanghu year force dream land
/ Available model
Figure 6 Pressure and displacement test installation diagram
Figure Oil pressure test curve
Force sensor
Displacement transfer
Position state
Pressure
JR/T 9957.1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation true
converter
filling filter boost time test block diagram
precise and type pressure
Figure 10 filling boost time test curve
S position, m;
time,
a) Perform in accordance with the relevant standards
b) Measure the A-weighted sound power level Lw of the hydraulic press when it is running continuously without load, [dB(A)1 and the A-weighted sound pressure level of the hydraulic press when it is running continuously without load and full load [dBA]]
Perform in accordance with the provisions of PT/T9954
The sound quality should comply with the provisions of PT
9967. |tt||The hydraulic system liquid
The degree of purity shall comply with the provisions of JBIT
9954
Test items
Pressure reduction system
Transmission efficiency
JB/T9957.1—1999
Test method
a) Place the filter pressure loader at the middle position of the workbench: b) Install the calibrated pressure sensors in the main cylinder inlet and outlet respectively! ! [or nearby) and the filter pressure loader pipeline [:, see National 6: c) Adjust the liquid working pressure according to the nominal force of the hydraulic press; ) Adjust the speed according to the design requirements; the idle speed stroke is 3/4 of the effective stroke of the slider ± 25mm. The working stroke when fully loaded: the hydraulic press with a nominal force less than: 1000kN should be 70m yuan, and the hydraulic press with a nominal force equal to or greater than 1000kN should be 100m yuan. 1 System test temperature is maintained at 50±5℃. It is allowed to use a calorimeter or other methods to increase the oil temperature. When heating, the hydraulic press should be operated at no load at the same time to make the oil temperature of each part of the system uniform. Before the test, power calibration (power W point mm: h) is carried out. The pressure, displacement and time curve of the filter press are recorded in one upper working ring, as shown in Figure 11. The block diagram of the test system is shown in Figure 12: The test records the power of the motor in the hydraulic press during a working cycle, see Figure 13, and the block diagram of the test system is shown in Figure 14: According to the pressure, displacement and time curves measured in Figure 11, and the typical efficiency curve given by the motor sample is shown in Figure 15, the transmission efficiency of the hydraulic system in a working cycle and the transmission efficiency of the hydraulic system in a working stroke are calculated according to the following formula:
乃Y乐
The work output of the actuator in a working cycle The work of the input shaft in a working cycle
Fwork+work+N空视+work+N理
The output efficiency of the actuator in a working process is 100% The input power of the system in a working stroke
FTmSf×100%
NTEFTnTwork
Formula: FLwork-Load force F during the working stroke =I0-4), kN:pThe working pressure of the refueling cylinder, MPa: The appropriate area for loading oil and oxygen, the displacement of the slider during the working stroke, m
NHard work, NI operation, N handling
Working civil
The average power of the input motor in each stage,
The motor efficiency during the actual use of the service stage:
The travel time of each stage, 5
Technical requirements
Bay pressure system
Transmission efficiency
Comply with relevant standards
Standards and regulations
Test items
Feasibility test
Pressure inspection after the test
JB/T 5957.1-1999
Test method
a) Record the operation test according to two shifts every day, and the total number of operation cycles shall not be less than 10,000 times:
Technical requirements
(1) After the commercial load operation
, the oil temperature in the oil tank is higher than 60;
b) The test is carried out under the condition of full pin, and the eccentricity value is 3% of the center distance L of the filter press column:|| tt||e) Biased test position as specified in Figure 6: When the slider cycles less than 2.5 times per minute, a small amount of force is allowed (to reach 2.5 cycles per minute) for testing:
) The speed value is adjusted according to the value specified in the technical data, and the principle is to use 34% of the effective stroke: The working stroke when fully loaded: For filter presses with a nominal force less than 1000kN, it should be equal to or greater than 70mm; for filter presses with a nominal force equal to or greater than 1000kN, it should be equal to or greater than 70mm. 1. For a press machine, it should be equal to or greater than 100mr: Before the test run, record the original surface condition of the main friction pair (piston rod and column):
g) During the first day of the online class operation test, measure and record the oil temperature once every 0.5h;
h During the operation test, observe and record the faults and paint and leakage at any time;
) After the test run, check and record the surface condition of the main friction pair:
J After the test run, record the total number of cycles and the total operation time (excluding shutdown and non-fault-eliminating time) and conduct inspections according to the items and methods specified in the relevant standards (2) During the test,
parts that need to be replaced before normal operation are allowed to occur.
【3 During the test.
Minor faults (failures that do not replace the quaternary formaldehyde and can continue to operate after adjustment) shall not constitute super-efficiency five
(42 During the test, there should be no scratches on the surface of the friction pair (S). During the test, there should be no paint on the joints and leakage. All precisions should comply with the relevant standards. J/T 9957.1--[999] Read! Readability drop value test installation diagram
adapter
recording device
4 line use
action signaling device
Figure 2 Inertial displacement test force report diagram
Line state well gate
position book product
Figure 3 Inertial displacement test curvebzxZ.net
Le force transmitter
JB/T9957.1—[999
Dynamic variable strain seat instrument
Figure 4 Pressure test phase diagram
Positive Force sensor
Recording device
Dazhengdeng chain
Figure 5 Measurement test installation diagram
JB/T9957.1—1999
Shanghu year force dream land
/ Available model
Figure 6 Pressure and displacement test installation diagram
Figure Oil pressure test curve
Force sensor
Displacement transfer
Position state
Pressure
JR/T 9957.1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation true
converter
filling filter boost time test block diagram
precise and type pressure
Figure 10 filling boost time test curveThe work output of the actuator in a working cycle The work input into the reference axis in a working cycle
FSH
Nempty view+action+Nrational
The output efficiency of the actuator in a working process is 100% The input frequency of the system in a working stroke
FTmSf×100%
NTEFTnT
Formula: FL-load force F during working stroke = I0-4), kN:pThe working pressure of the refueling cylinder, MPa: The appropriate area for loading oil and oxygen, the displacement of the slider during the working stroke, m
NHard work, NI operation, N handling
Working civil
The average power of the input motor in each stage,
The motor efficiency during the actual use of the service stage:
The travel time of each stage, 5
Technical requirements
Bay pressure system
Transmission efficiency
Comply with relevant standards
Standards and regulations
Test items
Feasibility test
Pressure inspection after the test
JB/T 5957.1-1999
Test method
a) Record the operation test according to two shifts every day, and the total number of operation cycles shall not be less than 10,000 times:
Technical requirements
(1) After the commercial load operation
, the oil temperature in the oil tank is higher than 60;
b) The test is carried out under the condition of full pin, and the eccentricity value is 3% of the center distance L of the filter press column:|| tt||e) Biased test position as specified in Figure 6: When the slider cycles less than 2.5 times per minute, a small amount of force is allowed (to reach 2.5 cycles per minute) for testing:
) The speed value is adjusted according to the value specified in the technical data, and the principle is to use 34% of the effective stroke: The working stroke when fully loaded: For filter presses with a nominal force less than 1000kN, it should be equal to or greater than 70mm; for filter presses with a nominal force equal to or greater than 1000kN, it should be equal to or greater than 70mm. 1. For a press machine, it should be equal to or greater than 100mr: Before the test run, record the original surface condition of the main friction pair (piston rod and column):
g) During the first day of the online class operation test, measure and record the oil temperature once every 0.5h;
h During the operation test, observe and record the faults and paint and leakage at any time;
) After the test run, check and record the surface condition of the main friction pair:
J After the test run, record the total number of cycles and the total operation time (excluding shutdown and non-fault-eliminating time) and conduct inspections according to the items and methods specified in the relevant standards (2) During the test,
parts that need to be replaced before normal operation are allowed to occur.
【3 During the test.
Minor faults (failures that do not replace the quaternary formaldehyde and can continue to operate after adjustment) shall not constitute super-efficiency five
(42 During the test, there should be no scratches on the surface of the friction pair (S). During the test, there should be no paint on the joints and leakage. All precisions should comply with the relevant standards. J/T 9957.1--[999] Read! Readability drop value test installation diagram
adapter
recording device
4 line use
action signaling device
Figure 2 Inertial displacement test force report diagram
Line state well gate
position book product
Figure 3 Inertial displacement test curve
Le force transmitter
JB/T9957.1—[999
Dynamic variable strain seat instrument
Figure 4 Pressure test phase diagram
Positive Force sensor
Recording device
Dazhengdeng chain
Figure 5 Measurement test installation diagram
JB/T9957.1—1999
Shanghu year force dream land
/ Available model
Figure 6 Pressure and displacement test installation diagram
Figure Oil pressure test curve
Force sensor
Displacement transfer
Position state
Pressure
JR/T 9957.1—1999
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Figure filling boost time test installation diagram dynamic control variable
record installation true
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filling filter boost time test block diagram
precise and type pressure
Figure 10 filling boost time test curveThe work output of the actuator in a working cycle The work input into the reference axis in a working cycle
FSH
Nempty view+action+Nrational
The output efficiency of the actuator in a working process is 100% The input frequency of the system in a working stroke
FTmSf×100%
NTEFTnT
Formula: FL-load force F during working stroke = I0-4), kN:pThe working pressure of the refueling cylinder, MPa: The appropriate area for loading oil and oxygen, the displacement of the slider during the working stroke, m
NHard work, NI operation, N handling
Working civil
The average power of the input motor in each stage,
The motor efficiency during the actual use of the service stage:
The travel time of each stage, 5
Technical requirements
Bay pressure system
Transmission efficiency
Comply with relevant standards
Standards and regulations
Test items
Feasibility test
Pressure inspection after the test
JB/T 5957.1-1999
Test method
a) Record the operation test according to two shifts every day, and the total number of operation cycles shall not be less than 10,000 times:
Technical requirements
(1) After the commercial load operation
, the oil temperature in the oil tank is higher than 60;
b) The test is carried out under the condition of full pin, and the eccentricity value is 3% of the center distance L of the filter press column:|| tt||e) Biased test position as specified in Figure 6: When the slider cycles less than 2.5 times per minute, a small amount of force is allowed (to reach 2.5 cycles per minute) for testing:
) The speed value is adjusted according to the value specified in the technical data, and the principle is to use 34% of the effective stroke: The working stroke when fully loaded: For filter presses with a nominal force less than 1000kN, it should be equal to or greater than 70mm; for filter presses with a nominal force equal to or greater than 1000kN, it should be equal to or greater than 70mm. 1. For a press machine, it should be equal to or greater than 100mr: Before the test run, record the original surface condition of the main friction pair (piston rod and column):
g) During the first day of the online class operation test, measure and record the oil temperature once every 0.5h;
h During the operation test, observe and record the faults and paint and leakage at any time;
) After the test run, check and record the surface condition of the main friction pair:
J After the test run, record the total number of cycles and the total operation time (excluding shutdown and non-fault-eliminating time) and conduct inspections according to the items and methods specified in the relevant standards (2) During the test,
parts that need to be replaced before normal operation are allowed to occur.
【3 During the test.
Minor faults (failures that do not replace the quaternary formaldehyde and can continue to operate after adjustment) shall not constitute super-efficiency five
(42 During the test, there should be no scratches on the surface of the friction pair (S). During the test, there should be no paint on the joints and leakage. All precisions should comply with the relevant standards. J/T 9957.1--[999] Read! Readability drop value test installation diagram
adapter
recording device
4 line use
action signaling device
Figure 2 Inertial displacement test force report diagram
Line state well gate
position book product
Figure 3 Inertial displacement test curve
Le force transmitter
JB/T9957.1—[999
Dynamic variable strain seat instrument
Figure 4 Pressure test phase diagram
Positive Force sensor
Recording device
Dazhengdeng chain
Figure 5 Measurement test installation diagram
JB/T9957.1—1999
Shanghu year force dream land
/ Available model
Figure 6 Pressure and displacement test installation diagram
Figure Oil pressure test curve
Force sensor
Displacement transfer
Position state
Pressure
JR/T 9957.1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation true
converter
filling filter boost time test block diagram
precise and type pressure
Figure 10 filling boost time test curve1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation real
converter
filling filter boost time test block diagram
precision and type pressure
Figure 10 filling boost time test curve1—1999
4 sentences are scanned in
Figure filling boost time test installation diagram dynamic control variable
record installation real
converter
filling filter boost time test block diagram
precision and type pressure
Figure 10 filling boost time test curve
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