JB/T 53527-2000 JT-0.8×0.62 and JT-0.8×0.5 Mining Hoisting Winch Product Quality Classification
Some standard content:
ICS73.100.40
Machinery Industry Standard of the People's Republic of China
JB/T53527-2000
JT-0.8 X 0.6 and 2JT-0.8X 0.5 Mining Hoisting Winch
Product Quality Grading
(Internal Use)
Published on April 24, 2000
National Machinery Industry Bureau
Implementation on October 1, 2000
JB/T53527—2000
This standard is a revision of JB/T53527-94 "JT-0.8 and 2IT-0.8 Mining Hoisting Winch Product Quality Grading". Compared with JB/T5352794, the main technical content of this standard has been changed as follows: - The requirements for the edge height of the rope retaining plate and the gap after the brake is released have been added; - The requirements for the contact surface of the brake shoe (belt) have been modified; - New standards have been adopted for materials, geometric tolerances, etc.; - The content of the test method has been improved.
The product standard based on this standard is JB/T4287-1999 "Belt Brake Mining Hoisting Winch". This standard replaces JB/T53527-94 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Mining Machinery. The responsible drafting unit of this standard: Jiaozuo Mining Machinery Co., Ltd. The main drafters of this standard: Mu Fayou, Zheng Li, Ren Shunzhan, Li Shengrong, Gao Zhenxue. This standard was first issued in November 1987 as JB/ZQ8120-87, and the standard number was adjusted to JB/T53527-94 in September 1994. 1 Scope
Machinery Industry Standard of the People's Republic of China
JT-0.8X0.6 and 2.JT-0.8×0.5
Mining Hoisting Winch
Product Quality Grading
(Internal Use)
JB/T53527-2000
Replaces JB/T53527-94
This standard specifies the quality grade, test method and inspection rules of JT-0.8×0.6 and 2JT-0.8X0.5 mining hoisting winch products. This standard is applicable to the assessment of the quality grade of JT-0.8×0.6 and 2JT-0.8×0.5 mining hoisting winch products. 2 Referenced Standards
The clauses contained in the following standards constitute the clauses of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T2301991
GB/T 231—1984
GB/T 6991999
GB/T1173—1995
GB/T1958—1980
GB/T3077—1988
GB/T3177—1997
GB/T3768—1996
GB/T4162——1984
GB/T94391988
GB/T10 0951988
GB/T10610——1989
GB/T11352—1989
JB/T4287—1999
JB/T6402—1992
JB/T79291995
3 Quality grade
3.1 Grading principle
Metal Rockwell hardness test method
Metal cloth Hardness test method
High-quality carbon structural steel
Casting aluminum alloy
Provisions for shape and position tolerance detection
Technical conditions for alloy structural steel
Inspection of smooth workpiece dimensions
Acoustic sound pressure method for determining the sound power level of noise sourceSimple method of measuring the surface by envelope above the reflecting surfaceUltrasonic flaw detection method for forged steel bars
Gray cast iron parts
Precision of involute cylindrical gears
Rules and methods for measuring surface roughness with stylus instrumentsCasting carbon steel parts for general engineering
Belt brake mining hoisting winch
Large low alloy castings
Cleanliness of gear transmission devices
The quality level of products is determined according to the adopted standards, the technical level of products, finished product inspection, quality inspection in the production process and user evaluation opinions, and is divided into three levels: qualified products, first-class products and superior products. 3.1.1 Qualified products
Approved by the State Bureau of Machinery Industry on April 24, 2000, implemented on October 1, 2000
JB/T53527—2000
Organize production according to the current standards, and the quality level of the actual products meets the requirements of the corresponding product standards. 3. 1. 1. 1
The quality of the product production process is stable.
3.1.1.3 The accessories and supporting products can ensure that the main machine reaches the level of qualified products. 3.1.1.4 Users evaluate that the product performance meets the use requirements. 3.1.2
First-class products
3.1.2.1 The quality indicators of the product's structure, performance, accuracy, safety, hygiene, reliability and life span reach the general international level, and the quality level of the actual products reaches the general level of similar international products. 3.1.2.2 The quality of the product production process is stable. 3.1.2.3
Accessories and supporting products can ensure that the main machine reaches the first-class level. 3.1.2.4
Users evaluate that the product has a good use effect and the product is competitive in the domestic market. 3.1.3 Superior products
3.1.3.1 The quality indicators of the product such as structure, performance, accuracy, safety, hygiene, reliability and life have reached the international advanced level, and the actual quality level has reached the advanced level in the past five years compared with similar foreign products. 3.1.3.2 The quality of the product production process is stable. 3.1.3.3 Accessories and supporting products can ensure that the main machine reaches the first-class level. 3.1.3.4 Users evaluate that the product quality is equivalent to the advanced level of similar international products, and the product is competitive in the international market. Quality grade indicators
The quality grade indicators of the product shall comply with the provisions of Table 1Table 1
Quality grade
Qualified products
First-class products
Superior products
3.3 Finished product inspection
Quality rate of finished product inspection items
The finished product inspection items shall comply with the provisions of Table 2. No.
Quality requirements
Performance of the whole machine
Quality of assembly, painting and packaging
Quality rate of inspection items
≥90%
Item name
Maximum static tension of wire rope
Maximum static tension difference of wire rope
Wire rope speed
Braking device
Braking torque
Main parts||t t||Qualification rate of key items
Qualification rate of main items
≥90%
≥93%
≥96%
Value or requirement
Qualified products
Meet the requirements of JB/T4287
Flexible movement and reliable braking
Superior products
Greater than or equal to 3 times of rated static moment
Quality requirements| |tt||Comprehensive technical requirements
Reliability and life
Compatibility
Safety and hygiene
JB/T535272000
Table 2 (end)
Project name
Oil and bearing temperature rise
Maximum temperature of oil and bearing
Sealing
Cleanliness
First overhaul period
Service life of the whole machine
Pinion gear of open transmission
Large gear of planetary transmission
Motor, electronic control device, depth indicator
Device, working brake
Rope stop plate
Open gear protective cover
No load
Rated load
Maximum operating force of handle
Quality inspection during production
dB (A)
Assembly, painting and packaging quality inspection items shall comply with the provisions of Table 3Table 3
Item name
BrakeBrake shoe (belt) contact areaElectric hydraulic pusher
Radial runout of brake wheel rim
Brake shoe (belt) and brake wheel should be completely separated after release, and the clearance between themReducer gear pair contact spots
Open gear transmission gear pair contact spots
Rust removal level
Main large surfacePaint
Paint surface
Exposed surface of the whole machine
Marking outside the box||tt| |Packing list
Certificate
Instruction manual
Bundling, exposed processed surface
Packing box,
Documents and objects
Qualified products
Values or requirements
First-class products
According to JBT7929 J-grade
Superior products
The quality should meet the requirements of the corresponding grade
The edge of the rope retaining plate should be 25 times higher than the diameter of the outermost wire rope and have a protective effect
≤150
Values or requirements
Qualified products
≥ 70%
First-class products
Superior products
≥80%
Sensitive, smooth and reliable braking, without sticking phenomenonmm
Along the tooth height ≥45%, along the tooth length ≥60%
Along the tooth height ≥40%, along the tooth length ≥50%
No flow marks, bubbles
No wrinkles, bubbles, flow marks, cracks, poor color
Uniform and accurate
Firm, with anti-rust and anti-scratch measures
JB/T53527—2000
2 The inspection items for the processing and manufacturing quality of main parts (key items and main items) shall at least include the contents specified in Table 4. 3.4.2
Part name
Involute cylindrical gear transmission
Inspection items and requirements
JT-0.8×0.6 mining hoisting winch (a total of 112 items, including 5 key items) ※ Mechanical properties α≥600N/mm
o, ≥355Nmm2
Ak>39J
Hardness 220~250HB
Ultrasonic flaw detection Grade A
(GB/T4162)
※ Journal size accuracy k6
Bearing installation
1-1-1 Spindle||tt ||Wheel mounting place
Spindle hole
Big gear ring (or big gear)
Brake support wheel
Machine cover, machine base
Surface roughness R,1.6um
Coaxiality of common axis 7 level
Dimensional accuracy m7
Surface roughness R3.2um
Coaxiality of common axis 7 level
Radial runout of common axis 7 level
Width dimension accuracy N9
Surface roughness of both sides R63um
Dimensional accuracy H8
Surface roughness R.3.2um| |tt||Dimension accuracy s7
Surface roughness R3.2um
Width dimension accuracy JSS
Side surface roughness R63um
Dimension accuracy H8
Surface roughness R.3.2um
Gear accuracy 9-9-8 (GBT10095)
Spindle hole
Dimension accuracy H8
Surface roughness R.3.2um
Brake surface roughness R.6.3mm
High-speed shaft hole
Width dimension accuracy JS9
Side surface roughness Roughness Ra63um
Dimensional accuracy H8
Surface roughness R.3.2um
Coaxiality to the common axis is level 7
Part name
Machine cover, machine base
Gear shaft
1-1-7 gear
1-1-8 shaft
JB/T53527—2000
Table 4 (continued)
Inspection items and requirements
Dimensional accuracy H8
Low-speed shaft hole
Surface roughness R.3.2um
Coaxiality to the common axis is level 7|| tt||Center distance and its limit deviation a±IT8
Joint surface
Hardness 220~250HB
Coupling
Bearing
Flatness 8 level
Surface roughness R3.2umwwW.bzxz.Net
Dimensional accuracy m7
Surface roughness R, 6.3um
Dimensional accuracy k6
Surface roughness R, 1.6um
Radial runout 7 level
Radial runout of the shaft neck at the coupling 7 level Tooth surface roughness R, 3.2um
Width ruler Inch accuracy N9
Side surface roughness R63um
Gear accuracy 8-8-7 (GBT10095)
Material ZG310-570 (GBT11352)
Casting surface roughness R.100um
Hardness 170~200HB
Dimension accuracy H8
Surface roughness R3.2m
Tooth surface roughness R3.2m
Gear accuracy 8-8-7 (GBT10095)
Width dimension accuracy JS9
Side surface roughness R6 3um
Material 45 (GB/T699)
Hardness 180~217HB
Dimensional accuracy k6
Bearing
Coupling
Gear
Surface roughness R.1.6um
Radial round runout 7 level
Dimensional accuracy h8
Surface roughness R, 3.2um
Radial round runout 7 level
Dimensional accuracy m7
Surface roughness R.3.2um
Radial round runout 7 level
Width dimension accuracy N 9
Side surface roughness R63um
1-2-11
1-2-12
1-2-13
Part name
Gear (open transmission pinion)
JB/T53527—2000
Table 4 (continued)
Inspection items and requirements
Material 35SiMn (GBT3077)
Hardness 250-280HB
Dimension accuracy H9
Surface roughness R.3.2um
Tooth surface roughness R.3.2mm
Gear accuracy 9-9-8GK (GB/T10095) Keyway
Width dimension accuracy JS9
Side surface roughness R.63um
2JT-0.8×0.5 mining hoisting winch (a total of 130 items, including 5 key items) Main shaft
Gear ring
Brake support wheel
Machine base, machine cover
Gear shaft
Gear (open transmission pinion)||t t||Middle support wheel
Same as 1-1-1
Same as 1-1-2
Same as 1-1-3
Same as 1-1-4
Same as 1-1-5
Same as 1-1-6
Same as 1-1-7
Same as 1-1-8
Same as 1-1-9
Dimension accuracy H8
Surface roughness R, 3.2um
Width dimension accuracy JS
Side surface Roughness R_63um
Material HT200 (GBT9439)
Dimensional accuracy H8
Surface roughness R1.6um
Cylindricity level 9
Dimensional accuracy e8
Surface roughness R.1.6um
Coaxiality of inner hole to outer circle e8 level 8
2 (GBT1173)
Material ZL102
Dimensional accuracy H8
Table Surface roughness R.3.2um
Width dimension accuracy N9
Side surface roughness R63um
Part name
JB/T53527—2000
Table 4 (continued)
Inspection items and requirements
Planetary gear transmission type (a total of 111 items, including 8 key items) ※Mechanical properties 0600N/mm
o≥355Nmm
85≥16%||t t||≥40%
Heat treatment hardness 180-217HB
2-1 Main shaft
Big gear
Brake support wheel
Transmission shaft
Left support wheel
Ultrasonic flaw detection Grade A (GB/T4162)
Bearing
Keying
Dimension accuracy m6
Surface roughness R1.6um
Journal dimension accuracy 6
Surface roughness Roughness R, 1.6um
Coaxiality with the bearing journal is 8 levels
Casting surface roughness R, 50um
Heat treatment hardness 180-217HB
Shaft hole size accuracy H8
Gear accuracy 9-9-8 (GBT10095)
Tooth surface roughness R, 3.2um
Size accuracy H8
Surface roughness R, 3.2um
Brake surface Roughness R, 1.6um
Material 45 (GB/T699)
Heat treatment hardness 217-255HB
Bearing
Key|||Dimensional accuracy m6
Surface roughness R.1.6um
Dimensional accuracy r6
Surface roughness R, 1.6um
Tooth surface roughness R16um
Coaxiality to the common axis 7 levels
Tooth surface roughness R3.2um
Heat treatment hardness 179-207HB
Gear accuracy 8-8-7 (GBT10095)
Bearing
Centering stop
Inner hole size accuracy H7
Surface roughness R.1.6um
Inner diameter size accuracy h7
Surface roughness R3.2um
Radial runout of bearing hole 8 levels
Planet carrier
Planetary gear
Inner gear ring
Planetary shaft
Right support gear
Part name
JB/T53527—2000
Table 4 (continued)
Inspection items and requirements
Casting surface roughness R, 100um
Bearing installation
Key installation
Third-class distribution shaft hole
Journal size accuracy k6
Surface roughness Ra 1.6um
Aperture size accuracy H7
Surface roughness R.1.6um
Size accuracy H7
Surface roughness R.1.6um
Parallelism of the journal at both ends of the bearings 8 levels ※Hole distance position tolerance Q05mm
※Radial round runout of the journal at both ends of the bearings to the key connection hole 8 levels Heat treatment hardness 179-207HB
Material 20CrMnTi (GB/T30) ）
Tooth surface hardness 53-58HRC
Carburized layer depth 0.35-0.85mm
Bearing installation
Aperture size accuracy K7
Surface roughness R, 1.6um
Tooth surface roughness R. 3.2um
Gear accuracy 8-8-7 (GBT10095)
Material ZG40Cr (JBT6402)
Heat treatment hardness 262-29 3HB
Surface roughness of outer circle of brake surface R.1.6um
Surface roughness of tooth surface R32um
Dimensional accuracy of inner hole H8
Both ends of stop
Surface roughness R,3.2um
Radial runout of the top circle of inner gear ring 8 levels
Gear accuracy 8-8-7 (GBT10095)
Material 45 (GB/TI1352
Heat treatment hardness 30-35HR C
Bearing installation
Dimension accuracy K6
Surface roughness R, 1.6um
Journal dimension accuracy k6
Surface roughness R. 1.6mm
Bearing installation aperture dimension accuracy H7
Surface roughness R3.2um
Parts name
Right support wheel
External gear sleeve
Floating gear
Sun gear
Note: Those with ※ are Key items
User comments
JB/T53527—2000
Table 4 (end)
Inspection items and requirements
Centering stop
Outer diameter dimension accuracy h7
Surface roughness R, 3.2um
Radial runout of shaft diameter at bearing installation to bore diameter at bearing installation Grade 8 Radial runout of outer diameter of centering stop to bore at bearing installation Grade 8 Material 40Cr (GB/T3077)||tt ||Heat treatment hardness 257-285HB
Gear accuracy 8-8-7 (GBT10095)
Aperture size accuracy at key connection H8
Surface roughness Ra16um
Gear surface roughness R.3.2μm
Material 40Cr (GB/T3077)
Heat treatment hardness 257-285HB
Gear accuracy 8-8-7 (GBT10095)||tt ||Gear surface roughness R.3.2um
Material 20CrMnTi (GBT3077)
Carburized layer depth 0.6-0.8mm
※Tooth surface hardness 57~62HRC
Gear surface roughness R, 3.2um
Gear accuracy 8-8-7 (GBT10095)
There should be three users' certification materials or performance test reports on product quality evaluation as the basis for assessing the quality level. Test method
4.1 Test conditions
1 The test product should be a qualified product for storage. 4.1.1
2 Test site
a) Ambient temperature: 5~40℃, and no rain or snow; b) The power supply voltage should be the rated voltage, and the deviation should be ≤ 5% c) The environmental noise value should be 10dB (A) lower than the noise value of the tested sample. Test content
4.2.1 The quality inspection items, methods and instruments for finished products, assembly, painting and packaging shall comply with the provisions of Table 5. Number of items
JB/T53527—2000
Test items and methods
Maximum static tension of wire rope
Test under rated load, use a standard test block or connect a tension gauge in series, hang the test block on the wire rope, and conduct lifting and lowering tests. The lifting and lowering height each time shall not be less than 10m, and the lifting and lowering shall be repeated 3 times
Maximum static tension difference of wire rope
Test under rated load, use a standard test block or connect a tension gauge in series Only the tension gauge is used, and the test block is hung on the wire rope. The method is as above
Wire rope speed
Test according to JB/T4287
Braking device
Lift and lower 3-5 times under rated load, check the flexibility and reliability of the braking device to see if there is any jamming
Braking torque
Wrap a wire rope sufficient for the test on the drum, connect the dynamometer to the end of the rope, and connect the other end of the dynamometer to the lifting chain (or lifting equipment). In the braking state, slowly apply force to pull the wire rope through the lifting chain (or lifting equipment). When the drum just slides, record the dynamometer reading, and calculate the braking torque
When manually braking, adjust the force applied to the handle to 150N through the dynamometer, and then fix the handle. The test method is the same as above. The gap between the brake shoe (belt) and the brake wheel after the brake is released is checked with a feeler gauge. The height of the rope retaining plate (outer edge of the support wheel) is measured or calculated according to regulations. The height of the outermost wire rope is compared with the edge of the rope retaining plate. The oil temperature and bearing temperature rise of the reducer are tested according to the provisions of JB/T4287. The cleanliness and sealing of the reducer are checked according to JBT7929 after the winch load test. Leakage can be observed during no-load and load operation. Reliability and life
Test on the test bench or evaluate the noise of the whole machine based on user feedback
Measure the noise at the driver's console at rated load according to GBT3768. Maximum operating force of the handle
Under rated load,
use a spring dynamometer to directly measure the force on the handle. Load and overload test
Perform
Contact area of brake shoe (belt) according to JB/T4287
After the load test, open the brake shoe (belt) for inspection. Calculate the width of the contact surface on the brake shoe (strip) not less than the percentage of the length of half the bandwidth and the effective working length of the brake beltHydraulic pusher
After assembly, lift the piston 120mm and let it fall freely to check whether there is any jammingAppearance quality
On-site visual inspection
Testing instruments
Name and specifications
Standard test block
Tension gauge
Standard test block
Tension gauge
Dynamometer
Dynamometer
Steel ruler
Thermometer
Sound level meter
Spring dynamometer
Steel tape measure
Steel ruler
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