Some standard content:
ICS73.F00.01
Machinery Industry Standard of the People's Republic of China
JB/T10243—2001
KPTH type reducer
KPTH type reducers
Published on 2001-05-23
China Machinery Industry Federation
2001-10-01 Implementation
JB/10243-2001
1 Scope·
2 Reference standards
3 Type and size
4 Specifications·.
5 Technical requirements·
6 Test methods and inspection rules
Marking, packaging, transportation storage
Load capacity of reducer
Appendix A (Appendix to the standard):
R (Appendix to the suggestion) Gear sugar content and deviation value table C (Appendix to the suggestion)
Load classification of driven machine
38/T10243-2001
Appendix A of this standard is the appendix to the standard.
Appendix B of this standard Appendix C is a reminder of the recording. This standard was proposed by the National Technical Committee for Standardization of Mining Machinery. The drafting unit of this standard is CITIC Heavy Machinery Company. The main drafters of this standard are Hao Xuqiu, Hong, Li Dong, Yao Jian, and Yang Guili. This standard was first issued in May 2001.
Machinery Industry Standard of the People's Republic of China
KPTH Type Base Thin Island
KPTHtypt redueers
JB/T10243—2001
This standard specifies the type, dimensions, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of KPTH involute cylindrical gear reducers. This standard is only applicable to KPTH involute cylindrical gear reducers (hereinafter referred to as reducers), which are mainly used in mine hoists and can also be used in the transmission of mechanical equipment in industries such as metallurgy, cement, chemical industry, building materials, energy and light industry. References
The provisions contained in the following standards constitute the provisions of this standard by reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest version of the following standard. GB/T1356—1988
GB/T 1357—1987
GB 5903—1995
GB/T9439—1988
GH/F10095-198B
GB/T 13306-.1991
JB/T5000.121998
3 Types and dimensions
3.1 Assembly type and dimensions
3.1.1 Assembly type See Figure 1.
Disconnect the velvet mesh and the basic tooth profile of the gear
Disconnect the line drawing and the gear module
Industrial closed gear oil
Gray chain iron parts||t t||Involute cylindrical gear precision
Re-molding machinery general technical case filling
Shoes shoes art shoes
Dry rolling dry butterfly
3.1.1 External dimensions see Figure 2 and Table 1.
China Machinery Industry Federation 2001-05-23 approved 2001-10-01 implementation
KPTH7J2
KPTH8(K> [2
KPTH9() (2)
KPTH1000(2)
KTI111202)
KFT111250【2]
APTHTLO2)
XPTHSA(2)
KPIHX(2)
KPTH]000［2】
KPTH1120（2】
Central quality
JB/r102d3-200
Central business
Color size
KPTH710(2)
KPTH800 (2)
KPTH1000 [2]
KP1H1120(2)
KPIHI2502)
KPTHTIO (2)
KPTHR (2)
KPTH90D2)
KPTHI000(2)
KPTHI120(2)
KPTHL250 (2)
3.2 Model and indication
3.2.1 Model
3.2.2 Marking example
JB/T 10243-2001
Table (bright)
ground scale
12D0:
【口】
Transmission ratio code
Assembly type
Low speed stage center distance,
Pinion carbon
Big gear quenching and tempering
Parallel shaft structure
Mining machinery
Jingda five-plate
Low speed stage center distance is 800m, two-stage reducer, the second type of assembly type, the tenth transmission ratio of the hoist reducer table tea KPTH800 (2) I.t0
4 Basic parameters
4.1 The center distance of the reducer should meet the requirements of 2. Wuxuan grade
High precision. ,
General Center
JB/TE0243-2001
The nominal transmission ratio of the reducer shall comply with the provisions of Table 3. Table 3
Actuation ratio code
Nominal transmission ratio!
Infection ratio code
Nominal quick action ratio!
4.3 The relative error between the actual transmission ratio of the reducer and the nominal transmission ratio shall not be greater than 4%4. The load-bearing capacity and selection of the reducer shall be carried out in accordance with Appendix A (Appendix to the standard). 4.5 The gear module of the gearbox shall comply with the provisions of GB/T135. 4.6 The basic gear ratio of the gear shall comply with the provisions of GB/T1356. 4. The precision of the gear shall comply with the provisions of GB/T10095. 5 Technical requirements
General technical requirements
The reducer shall comply with the requirements of this standard and be manufactured according to the drawings and documents approved by the approval procedure. The reducer efficiency is not less than 95%, the high-speed shaft speed is not more than 1000Timin
The working environment temperature of the reducer is -40℃~+45%. When it is lower than 8℃, a heat-resistance device is added, and when it is higher than 35℃, a cooling device is added. 5. 1. 4
The reducer is suitable for forward and reverse operation. When the reducer is under load operation, the temperature rise of the lubricating oil in the box shall not be higher than 35℃, and the temperature rise shall not be higher than 40℃. 5.1. 6
The vibration of the reducer during sudden load operation shall not be greater than 85℃, and the amplitude of one-way vibration shall not be greater than 0.02mm. The reducer must be operated without load before installation or shutdown for more than 4 hours. It can be loaded and used after confirming that the vibration, vibration and lubrication are normal.
5.2 Technical requirements for manufacturing of main parts
5.31 Engine body and engine cover
5.2.1.1 The material of the engine body shall not be lower than the HT200 performance requirements specified in GB/T9439. 5.1.1.2 There shall be no paint or oil on the welding chain of the engine. 5.2.1.3 The engine body and engine cover shall be aged after rough machining. 5.2.1.4 The edges of the engine body and engine cover shall be flush after being assembled, and the allowable error is: 2.0mm-for reducer with a center distance less than 1000mm; ±3.0mm-for reducer with a center distance of 1000-2000mm; ±4.0mm-for reducer with a center distance greater than 2000mm. 4
BT0243-—7001
5.2.1.5 After the machine body, machine body and bearing body are freely combined, when using a 0.05mm set of gauges to check the tightness of the cut surface contact, the feeler gauge base depth shall not be greater than one-third of the cut surface width. 5.2.1.6 The hole tolerance of each shaft is H7, and the surface roughness is Ra3.2Jm. 5.2.1. The limit deviation formula of the bearing hole center distance shall comply with the provisions of the grade accuracy in GB10095. 5.2.1.8 The parallelism tolerance of the center of the bearing hole is measured at the bearing span 1J. The parallelism tolerance of the axial load in the direction is: f=
The parallelism tolerance of the axis in the direction is: -
Where:, shall comply with the requirements of Grade 7 quality in GB/T10095: bearing span, mm;
-gear width, mme
The parallelism tolerance of the center line of the bearing hole shall not be greater than that specified in Table 4. Table 4
S. 2. 1.9
KFTH710(2)
The machine body shall not leak oil,
KPTH80012)
KPIH9O(2)KPTHI000(2
5.2.2 Gears, gear shafts and low-speed output shafts 5.2. 2.1
KPTI1120 (2
Gears, gear shafts and speed-stage output shafts shall be made of materials with mechanical properties not lower than those specified in Table 5. Table 5
Heat treatment
42CrMo
40CrMnMo
4CrN2MoA
20CM2MOA
Clean carbon, fire
Cut size
>100-300
>300~500
>500-700
2100-300
>300~500
>500-8
>10 0-250
:250-500
Mechanical sugar
KPTH1254(2)
≤217
262·-302wwW.bzxz.Net
229-269
229-269
197-235||t t||252~302
262~302
239-269
229-269
293-341
262-302
229-269
HRC57+4
19 7-235
JB/T14243-2DD1
5.2.2.2 The tolerance of the gear reference hole is H7, the surface roughness is Ra3.2um, the reference end face runout is the level specified by B[G095+, and the surface roughness is Ra3.2m.
5.2.1.3 The journal tolerance of the gear output, low-speed shaft and bearing is m6, the surface roughness is Rol.6m, the shaft end face is square 7, and the surface roughness is Ra3.2um
5.2.2.4 The shaft straightness tolerance of the gear shaft and low-speed shaft is r6, and the surface roughness is Ka3.2um5.2.2.5 The gear tooth surface and roughness are Ra3.2.5.2.2.6 The precision of the gear is 7JMGB/T10095, and the inspection items should comply with the provisions of Table 6. Table 6
Inspection period
Inspection items
The first tolerance group
F, the maximum F, and F
The first tolerance group
Storage and start-up formula and
The first pitch cumulative tolerance, see Appendix B (prompt record) Table 6: F
Normal line length base variation tolerance, see Appendix B Table B2 Step spacing runout tolerance, see Appendix B Table B2: Tooth shape tolerance Appendix B Table 2;
Version limit, see B Table B2:
Open section extreme front difference, free period Table 2:
Tooth tolerance, see Appendix B Table B3.
Tooth thickness limit difference Ess, Esi shall comply with the provisions of Appendix B Table B4 5.2.2.7
5.2.2.8 Normal load average length deviation
Fourth normal line average length deviation Ewms, Ewmi shall comply with the provisions of Appendix Table B5 5.3 Assembly technical requirements
Gear train
Contact point and minimum torque
5.3.1 The large gear shall be subjected to static balance test. Static unbalance torque: high speed grade shall not exceed 25×10-G (N·m). Low speed grade shall not exceed 45×10-G (Nm). G is the gear weight, unit kg 5.3.2 All parts shall be carefully cleaned before assembly. The working surfaces of all parts inside and outside the chassis shall be in accordance with the requirements of JB5000.12. 5.3.3 The amount of wheel pair normal side film reduction symbol will be specified in the table. Table 7
High speed extreme
Low gear level
KPIH710 (2)
KPTHI000 (2)
KTTHROD (2)
KPTHI22)
The contact spot of the gear pair shall not be less than 45% in the tooth height direction and not less than 60% in the tooth length direction. 5.3. 4
KPTH900 [3
KPTH12502)
The cleanliness of the reduction end shall be filtered out with a filter screen of sSW0.075/0.050 and shall not be greater than 1.8 (m) as the reduction end. 5. 3. 5
Total center distance, unit: mm.
5.4 Reducer lubrication
JB/T10243—2001
The reducer adopts oil pool and oil spray lubrication, and the lubricating oil should meet the performance indicators specified in GB/T5903 gear oil L-CKC220 (first-class product).
5.5 Under the condition that the main engine is running normally, the service life of the reducer shall not be less than 50000116 Test methods and inspection rules
6.1 The reducer shall be subjected to running test after qualified assembly. Or fill a certain amount of lubricating oil of specified brand into the box during inspection, and connect it to the lubrication system according to design requirements.
6.2 Factory inspection and type inspection
6,2,1 Factory inspection
The reducer shall be subjected to 2 operation tests in forward and reverse directions at a fixed rotation path and under no-load. The test shall meet the following requirements: a) All joints and fasteners shall not be loose;
b) All sealing parts and joints shall be free of oil; the operation shall be smooth and positive, without impact and abnormal noise; d) The oil temperature rise shall not exceed 25°C, and all lubrication points shall be fully lubricated; e) The contact spots on the teeth shall comply with the provisions of 5.3.4; the cleanliness of the reducer shall meet the requirements of 5.3.5; the appearance shall be smooth and beautiful;
h) All random documents are complete.
6.2.2 Type inspection should be carried out in any of the following cases: a) When there are major changes in product design, structure, process or materials that may affect product performance; b) When production is resumed after a long period of suspension; c) When the results of the production inspection are very different from the last production inspection; e) When new products or old products are transferred to the factory for production and identification; e) For products in normal production, when the national quality supervision and inspection agency carries out type inspection requirements for every 50 units produced, 6.2.3 The items of type inspection should include all the contents of this standard. Type inspection should be carried out on units that have passed the factory inspection. If the inspection does not meet the requirements, it should be readjusted and double the number of units should be inspected. ? Marking, packaging, transportation and storage
1 The reducer should have a product label fixed in a prominent position. The form and size of the label shall comply with the provisions of GB13306, and shall indicate the following contents:
a) Name of the manufacturer:
b) Product name and model:
c) Product ex-factory date and number:
d) Main technical parameters.
7.2 The speed reducer shall be packaged and shipped according to the delivery list and packing list. JB/E1 No. 243—2001
7.3 All machining surfaces and non-painted surfaces of each component shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be wrapped with plastic after oiling to prevent corrosion and damage. The corrosion method shall ensure that the reducer is free from corrosion within 1 year. For the broken wheel due to corrosion, it must be rust-free and run in test to reach the acid acceptance standard before it can work normally. 7.4 Technical documents include:
) Reducer overall appearance:
b) Lubrication system diagram:
Center installation and operation instructions;
) Packing list:
) Certificate of conformity.
7.5 The coupling should be placed in a warehouse with protective measures. The storage unit should check the anti-deterioration oil regularly and replace or supplement it as needed.
JB/T 10243-2001
Engraving A
(Appendix to the standard)
Load-bearing capacity and selection of reducers
A1KPTH reducer allowable input power P see Table A1Table A
Transmission ratio
Your level center mm
Allowable input power P, xw1
KPTI1120 (2
Gears, gear shafts and speed-stage output shafts shall be made of materials with mechanical properties not lower than those specified in Table 5. Table 5
Heat treatment
42CrMo
40CrMnMo
4CrN2MoA
20CM2MOA
Clean carbon, fire
Cut size
>100-300
>300~500
>500-700
2100-300
>300~500
>500-8
>100-250
:250-500
Sample scale at 30
Mechanical sugar
KPTH1254(2)
≤217||t t||262·-302
229-269
229-269
197-235
252~ 302
262~302
239-269
229-269
293-341||tt| |262-302
229-269
HRC57+4
197-235
JB/T1424 3-2DD1
5.2.2.2 The tolerance of the gear reference hole is H7, the surface roughness is Ra3.2um, the reference end face runout is the level specified in B[G095+, and the surface roughness is Ra3.2m.
5.2.1.3 The journal tolerance of the gear output, low-speed shaft and bearing is m6, the surface roughness is Rol.6m, the shaft end face is square 7, and the surface roughness is Ra3.2um
5.2.2.4 The shaft straightness tolerance of the gear shaft and low-speed shaft is r6, and the surface roughness is Ka3.2um5.2.2.5 The gear tooth surface and roughness are Ra3.2.5.2.2.6 The gear precision is 7JMGB/T10095, and the inspection items should comply with Table 6 Table 6
Inspection period
Inspection items
First tolerance group
F, F, and F
First tolerance group
Preservation and starting formula and
First pitch cumulative tolerance, see Appendix B (recommended record) Table 6: F
Normal line length variation tolerance, see Appendix B Table B2 Step spacing runout tolerance, see Appendix B Table B2: Tooth form tolerance Appendix B Table 2;
Tooth tolerance, see Appendix B Table B2:
Tooth thickness limit difference Ess, Esi shall comply with the provisions of Appendix B Table B4 5.2.2. 7
5.2.2.8 Average length deviation of the load
The average length deviation of the load Ewms and Ewmi of the fourth gear should meet the requirements of Appendix Table B5. 5.3 Technical requirements for assembly
Gear train
Contact points and minimum torque
5.3.1 The large gear should be subjected to static balance test, static unbalance torque: high speed level is not more than 25×10-G (N·m). Low speed level is not more than 45×10-G (Nm), G is the gear weight, unit kg5.3.2 All parts should be carefully cleaned before assembly, and the working surfaces of all parts inside and outside the chassis should be in accordance with the requirements of JB5000.12. 5.3.3 The amount of the wheel pair should be reduced to the standard of the table. Table 7
High speed extreme
Low gear grade
KPIH710 (2)
KPTHI000(2)
KTTHROD（2）
KPTHI22)
The contact spot of the gear pair shall not be less than 45% in the tooth height direction and not less than 60% in the tooth length direction. 5.3. 4
KPTH900 [3
KPTH12502)
The cleanliness of the reduction end, the dirty matter is filtered out with a filter screen of sSW0.075/0.050 and is not more than 1.8 (m) as the reduction end 5.3. 5
Total center distance, unit mm.
5.4 Reducer lubrication
JB/T10243—2001
The reducer adopts oil pool and oil spray lubrication, and the lubricating oil should meet the performance indicators specified in GB/T5903 gear oil L-CKC220 (first-class product).
5.5 Under the condition that the main engine is running normally, the service life of the reducer shall not be less than 50000116 Test methods and inspection rules
6.1 The reducer shall be subjected to running test after qualified assembly. Or fill a certain amount of lubricating oil of specified brand into the box during inspection, and connect it to the lubrication system according to design requirements.
6.2 Factory inspection and type inspection
6,2,1 Factory inspection
The reducer shall be subjected to 2 operation tests in forward and reverse directions at a fixed rotation path and under no-load. The test shall meet the following requirements: a) All joints and fasteners shall not be loose;
b) All sealing parts and joints shall be free of oil; the operation shall be smooth and positive, without impact and abnormal noise; d) The oil temperature rise shall not exceed 25°C, and all lubrication points shall be fully lubricated; e) The contact spots on the teeth shall comply with the provisions of 5.3.4; the cleanliness of the reducer shall meet the requirements of 5.3.5; the appearance shall be smooth and beautiful;
h) All random documents are complete.
6.2.2 Type inspection should be carried out in any of the following cases: a) When there are major changes in product design, structure, process or materials that may affect product performance; b) When production is resumed after a long period of suspension; c) When the results of the production inspection are very different from the last production inspection; e) When new products or old products are transferred to the factory for production and identification; e) For products in normal production, when the national quality supervision and inspection agency carries out type inspection requirements for every 50 units produced, 6.2.3 The items of type inspection should include all the contents of this standard. Type inspection should be carried out on units that have passed the factory inspection. If the inspection does not meet the requirements, it should be readjusted and double the number of units should be inspected. ? Marking, packaging, transportation and storage
1 The reducer should have a product label fixed in a prominent position. The form and size of the label shall comply with the provisions of GB13306, and shall indicate the following contents:
a) Name of the manufacturer:
b) Product name and model:
c) Product ex-factory date and number:
d) Main technical parameters.
7.2 The speed reducer shall be packaged and shipped according to the delivery list and packing list. JB/E1 No. 243—2001
7.3 All machining surfaces and non-painted surfaces of each component shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be wrapped with plastic after oiling to prevent corrosion and damage. The corrosion method shall ensure that the reducer is free from corrosion within 1 year. For the broken wheel due to corrosion, it must be rust-free and run in test to reach the acid acceptance standard before it can work normally. 7.4 Technical documents include:
) Reducer overall appearance:
b) Lubrication system diagram:
Center installation and operation instructions;
) Packing list:
) Certificate of conformity.
7.5 The coupling should be placed in a warehouse with protective measures. The storage unit should check the anti-deterioration oil regularly and replace or supplement it as needed.
JB/T 10243-2001
Engraving A
(Appendix to the standard)
Load-bearing capacity and selection of reducers
A1KPTH reducer allowable input power P see Table A1Table A
Transmission ratio
Your level center mm
Allowable input power P, xw1
KPTI1120 (2
Gears, gear shafts and speed-stage output shafts shall be made of materials with mechanical properties not lower than those specified in Table 5. Table 5
Heat treatment
42CrMo
40CrMnMo
4CrN2MoA
20CM2MOA
Clean carbon, fire
Cut size
>100-300
>300~500
>500-700
2100-300
>300~500
>500-8
>100-250
; tt | 3-2DD1
5.2.2.2 The tolerance of the gear reference hole is H7, the surface roughness is Ra3.2um, the reference end face runout is the level specified in B[G095+, and the surface roughness is Ra3.2m.
5.2.1.3 The journal tolerance of the gear output, low-speed shaft and bearing is m6, the surface roughness is Rol.6m, the shaft end face is square 7, and the surface roughness is Ra3.2um
5.2.2.4 The shaft straightness tolerance of the gear shaft and low-speed shaft is r6, and the surface roughness is Ka3.2um5.2.2.5 The gear tooth surface and roughness are Ra3.2.5.2.2.6 The gear precision is 7JMGB/T10095, and the inspection items should comply with Table 6 Table 6
Inspection period
Inspection items
First tolerance group
F, F, and F
First tolerance group
Preservation and starting formula and
First pitch cumulative tolerance, see Appendix B (recommended record) Table 6: F
Normal line length variation tolerance, see Appendix B Table B2 Step spacing runout tolerance, see Appendix B Table B2: Tooth form tolerance Appendix B Table 2;
Tooth tolerance, see Appendix B Table B2:
Tooth thickness limit difference Ess, Esi shall comply with the provisions of Appendix B Table B4 5.2.2. 7
5.2.2.8 Average length deviation of the load
The average length deviation of the load Ewms and Ewmi of the fourth gear should meet the requirements of Appendix Table B5. 5.3 Technical requirements for assembly
Gear train
Contact points and minimum torque
5.3.1 The large gear should be subjected to static balance test, static unbalance torque: high speed level is not more than 25×10-G (N·m). Low speed level is not more than 45×10-G (Nm), G is the gear weight, unit kg5.3.2 All parts should be carefully cleaned before assembly, and the working surfaces of all parts inside and outside the chassis should be in accordance with the requirements of JB5000.12. 5.3.3 The amount of the wheel pair should be reduced to the standard of the table. Table 7
High speed extreme
Low gear grade
KPIH710 (2)
KPTHI000(2)
KTTHROD（2）
KPTHI22)
The contact spot of the gear pair shall not be less than 45% in the tooth height direction and not less than 60% in the tooth length direction. 5.3. 4
KPTH900 [3
KPTH12502)
The cleanliness of the reduction end, the dirty matter is filtered out with a filter screen of sSW0.075/0.050 and is not more than 1.8 (m) as the reduction end 5.3. 5
Total center distance, unit mm.
5.4 Reducer lubrication
JB/T10243—2001
The reducer adopts oil pool and oil spray lubrication, and the lubricating oil should meet the performance indicators specified in GB/T5903 gear oil L-CKC220 (first-class product).
5.5 Under the condition that the main engine is running normally, the service life of the reducer shall not be less than 50000116 Test methods and inspection rules
6.1 The reducer shall be subjected to running test after qualified assembly. Or fill a certain amount of lubricating oil of specified brand into the box during inspection, and connect it to the lubrication system according to design requirements.
6.2 Factory inspection and type inspection
6,2,1 Factory inspection
The reducer shall be subjected to 2 operation tests in forward and reverse directions at a fixed rotation path and under no-load. The test shall meet the following requirements: a) All joints and fasteners shall not be loose;
b) All sealing parts and joints shall be free of oil; the operation shall be smooth and positive, without impact and abnormal noise; d) The oil temperature rise shall not exceed 25°C, and all lubrication points shall be fully lubricated; e) The contact spots on the teeth shall comply with the provisions of 5.3.4; the cleanliness of the reducer shall meet the requirements of 5.3.5; the appearance shall be smooth and beautiful;
h) All random documents are complete.
6.2.2 Type inspection should be carried out in any of the following cases: a) When there are major changes in product design, structure, process or materials that may affect product performance; b) When production is resumed after a long period of suspension; c) When the results of the production inspection are very different from the last production inspection; e) When new products or old products are transferred to the factory for production and identification; e) For products in normal production, when the national quality supervision and inspection agency carries out type inspection requirements for every 50 units produced, 6.2.3 The items of type inspection should include all the contents of this standard. Type inspection should be carried out on units that have passed the factory inspection. If the inspection does not meet the requirements, it should be readjusted and double the number of units should be inspected. ? Marking, packaging, transportation and storage
1 The reducer should have a product label fixed in a prominent position. The form and size of the label shall comply with the provisions of GB13306, and shall indicate the following contents:
a) Name of the manufacturer:
b) Product name and model:
c) Product ex-factory date and number:
d) Main technical parameters.
7.2 The speed reducer shall be packaged and shipped according to the delivery list and packing list. JB/E1 No. 243—2001
7.3 All machining surfaces and non-painted surfaces of each component shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be wrapped with plastic after oiling to prevent corrosion and damage. The corrosion method shall ensure that the reducer is free from corrosion within 1 year. For the broken wheel due to corrosion, it must be rust-free and run in test to reach the acid acceptance standard before it can work normally. 7.4 Technical documents include:
) Reducer overall appearance:
b) Lubrication system diagram:
Center installation and operation instructions;
) Packing list:
) Certificate of conformity.
7.5 The coupling should be placed in a warehouse with protective measures. The storage unit should check the anti-deterioration oil regularly and replace or supplement it as needed.
JB/T 10243-2001
Engraving A
(Appendix to the standard)
Load-bearing capacity and selection of reducers
A1KPTH reducer allowable input power P see Table A1Table A
Transmission ratio
Your level center mm
Allowable input power P, xw1.3 The journal tolerance of the gear output, low-speed shaft and bearing is m6, the surface roughness is Rol.6m, the shaft end face is square 7, and the surface roughness is Ra3.2um
5.2.2.4 The shaft straightness tolerance of the gear shaft and low-speed shaft is r6, and the surface roughness is Ka3.2um5.2.2.5 The gear tooth surface and roughness are Ra3.2.5.2.2.6 The ratio gear accuracy is 7JMGB/T10095, and the inspection items should comply with the provisions of Table 6. Table 6
Inspection period
Inspection items
First tolerance group
F, maximum F, and F
First tolerance group
Existing and effective formula and
First pitch cumulative tolerance, see Appendix B (prompt recording) Table 6: F
Tolerance of normal length base variation, see Appendix B, Table B2, step diameter runout tolerance, see Appendix B, Table B2: Tooth form tolerance Appendix B, Table 2;
Adjustable version limit, see Appendix B, Table B2:
Open joint extreme difference, free period Table 2:
Tooth tolerance, see Appendix B, Table B3.
Tooth thickness limit difference Ess, Esi shall comply with the provisions of Appendix B Table B4 5.2.2.7
5.2.2.8 Normal load average length deviation
Fourth normal line average length deviation Ewms, Ewmi shall comply with the provisions of Appendix Table B5 5.3 Assembly technical requirements
Gear train
Contact point and minimum torque
5.3.1 The large gear shall be subjected to static balance test. Static unbalance torque: high speed grade shall not exceed 25×10-G (N·m). Low speed grade shall not exceed 45×10-G (Nm). G is the gear weight, unit kg 5.3.2 All parts shall be carefully cleaned before assembly. The working surfaces of all parts inside and outside the chassis shall be in accordance with the requirements of JB5000.12. 5.3.3 The amount of wheel pair normal side film reduction symbol will be specified in the table. Table 7
High speed extreme
Low gear level
KPIH710 (2)
KPTHI000 (2)
KTTHROD (2)
KPTHI22)
The contact spot of the gear pair shall not be less than 45% in the tooth height direction and not less than 60% in the tooth length direction. 5.3. 4
KPTH900 [3
KPTH12502)
The cleanliness of the reduction end shall be filtered out with a filter screen of sSW0.075/0.050 and shall not be greater than 1.8 (m) as the reduction end. 5. 3. 5
Total center distance, unit: mm.
5.4 Reducer lubrication
JB/T10243—2001
The reducer adopts oil pool and oil spray lubrication, and the lubricating oil should meet the performance indicators specified in GB/T5903 gear oil L-CKC220 (first-class product).
5.5 Under the condition that the main engine is running normally, the service life of the reducer shall not be less than 50000116 Test methods and inspection rules
6.1 The reducer shall be subjected to running test after qualified assembly. Or fill a certain amount of lubricating oil of specified brand into the box during inspection, and connect it to the lubrication system according to design requirements.
6.2 Factory inspection and type inspection
6,2,1 Factory inspection
The reducer shall be subjected to 2 operation tests in forward and reverse directions at a fixed rotation path and under no-load. The test shall meet the following requirements: a) All joints and fasteners shall not be loose;
b) All sealing parts and joints shall be free of oil; the operation shall be smooth and positive, without impact and abnormal noise; d) The oil temperature rise shall not exceed 25°C, and all lubrication points shall be fully lubricated; e) The contact spots on the teeth shall comply with the provisions of 5.3.4; the cleanliness of the reducer shall meet the requirements of 5.3.5; the appearance shall be smooth and beautiful;
h) All random documents are complete.
6.2.2 Type inspection should be carried out in any of the following cases: a) When there are major changes in product design, structure, process or materials that may affect product performance; b) When production is resumed after a long period of suspension; c) When the results of the production inspection are very different from the last production inspection; e) When new products or old products are transferred to the factory for production and identification; e) For products in normal production, when the national quality supervision and inspection agency carries out type inspection requirements for every 50 units produced, 6.2.3 The items of type inspection should include all the contents of this standard. Type inspection should be carried out on units that have passed the factory inspection. If the inspection does not meet the requirements, it should be readjusted and double the number of units should be inspected. ? Marking, packaging, transportation and storage
1 The reducer should have a product label fixed in a prominent position. The form and size of the label shall comply with the provisions of GB13306, and shall indicate the following contents:
a) Name of the manufacturer:
b) Product name and model:
c) Product ex-factory date and number:
d) Main technical parameters.
7.2 The speed reducer shall be packaged and shipped according to the delivery list and packing list. JB/E1 No. 243—2001
7.3 All machining surfaces and non-painted surfaces of each component shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be wrapped with plastic after oiling to prevent corrosion and damage. The corrosion method shall ensure that the reducer is free from corrosion within 1 year. For the broken wheel due to corrosion, it must be rust-free and run in test to reach the acid acceptance standard before it can work normally. 7.4 Technical documents include:
) Reducer overall appearance:
b) Lubrication system diagram:
Center installation and operation instructions;
) Packing list:
) Certificate of conformity.
7.5 The coupling should be placed in a warehouse with protective measures. The storage unit should check the anti-deterioration oil regularly and replace or supplement it as needed.
JB/T 10243-2001
Engraving A
(Appendix to the standard)
Load-bearing capacity and selection of reducers
A1KPTH reducer allowable input power P see Table A1Table A
Transmission ratio
Your level center mm
Allowable input power P, xw1.3 The journal tolerance of the gear output, low-speed shaft and bearing is m6, the surface roughness is Rol.6m, the shaft end face is square 7, and the surface roughness is Ra3.2um
5.2.2.4 The shaft straightness tolerance of the gear shaft and low-speed shaft is r6, and the surface roughness is Ka3.2um5.2.2.5 The gear tooth surface and roughness are Ra3.2.5.2.2.6 The ratio gear accuracy is 7JMGB/T10095, and the inspection items should comply with the provisions of Table 6. Table 6
Inspection period
Inspection items
First tolerance group
F, maximum F, and F
First tolerance group
Existing and effective formula and
First pitch cumulative tolerance, see Appendix B (prompt recording) Table 6: F
Tolerance of normal length base variation, see Appendix B, Table B2, step diameter runout tolerance, see Appendix B, Table B2: Tooth form tolerance Appendix B, Table 2;
Adjustable version limit, see Appendix B, Table B2:
Open joint extreme difference, free period Table 2:
Tooth tolerance, see Appendix B, Table B3.
Tooth thickness limit difference Ess, Esi shall comply with the provisions of Appendix B Table B4 5.2.2.7
5.2.2.8 Normal load average length deviation
Fourth normal line average length deviation Ewms, Ewmi shall comply with the provisions of Appendix Table B5 5.3 Assembly technical requirements
Gear train
Contact point and minimum torque
5.3.1 The large gear shall be subjected to static balance test. Static unbalance torque: high speed grade shall not exceed 25×10-G (N·m). Low speed grade shall not exceed 45×10-G (Nm). G is the gear weight, unit kg 5.3.2 All parts shall be carefully cleaned before assembly. The working surfaces of all parts inside and outside the chassis shall be in accordance with the requirements of JB5000.12. 5.3.3 The amount of wheel pair normal side film reduction symbol will be specified in the table. Table 7
High speed extreme
Low gear level
KPIH710 (2)
KPTHI000 (2)
KTTHROD (2)
KPTHI22)
The contact spot of the gear pair shall not be less than 45% in the tooth height direction and not less than 60% in the tooth length direction. 5.3. 4
KPTH900 [3
KPTH12502)
The cleanliness of the reduction end shall be filtered out with a filter screen of sSW0.075/0.050 and shall not be greater than 1.8 (m) as the reduction end. 5. 3. 5
Total center distance, unit: mm.
5.4 Reducer lubrication
JB/T10243—2001
The reducer adopts oil pool and oil spray lubrication, and the lubricating oil should meet the performance indicators specified in GB/T5903 gear oil L-CKC220 (first-class product).
5.5 Under the condition that the main engine is running normally, the service life of the reducer shall not be less than 50000116 Test methods and inspection rules
6.1 The reducer shall be subjected to running test after qualified assembly. Or fill a certain amount of lubricating oil of specified brand into the box during inspection, and connect it to the lubrication system according to design requirements.
6.2 Factory inspection and type inspection
6,2,1 Factory inspection
The reducer shall be subjected to 2 operation tests in forward and reverse directions at a fixed rotation path and under no-load. The test shall meet the following requirements: a) All joints and fasteners shall not be loose;
b) All sealing parts and joints shall be free of oil; the operation shall be smooth and positive, without impact and abnormal noise; d) The oil temperature rise shall not exceed 25°C, and all lubrication points shall be fully lubricated; e) The contact spots on the teeth shall comply with the provisions of 5.3.4; the cleanliness of the reducer shall meet the requirements of 5.3.5; the appearance shall be smooth and beautiful;
h) All random documents are complete.
6.2.2 Type inspection should be carried out in any of the following cases: a) When there are major changes in product design, structure, process or materials that may affect product performance; b) When production is resumed after a long period of suspension; c) When the results of the production inspection are very different from the last production inspection; e) When new products or old products are transferred to the factory for production and identification; e) For products in normal production, when the national quality supervision and inspection agency carries out type inspection requirements for every 50 units produced, 6.2.3 The items of type inspection should include all the contents of this standard. Type inspection should be carried out on units that have passed the factory inspection. If the inspection does not meet the requirements, it should be readjusted and double the number of units should be inspected. ? Marking, packaging, transportation and storage
1 The reducer should have a product label fixed in a prominent position. The form and size of the label shall comply with the provisions of GB13306, and shall indicate the following contents:
a) Name of the manufacturer:
b) Product name and model:
c) Product ex-factory date and number:
d) Main technical parameters.
7.2 The speed reducer shall be packaged and shipped according to the delivery list and packing list. JB/E1 No. 243—2001
7.3 All machining surfaces and non-painted surfaces of each component shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be wrapped with plastic after oiling to prevent corrosion and damage. The corrosion method shall ensure that the reducer is free from corrosion within 1 year. For the broken wheel due to corrosion, it must be rust-free and run in test to reach the acid acceptance standard before it can work normally. 7.4 Technical documents include:
) Reducer overall appearance:
b) Lubrication system diagram:
Center installation and operation instructions;
) Packing list:
) Certificate of conformity.
7.5 The coupling should be placed in a warehouse with protective measures. The storage unit should check the anti-deterioration oil regularly and replace or supplement it as needed.
JB/T 10243-2001
Engraving A
(Appendix to the standard)
Load-bearing capacity and selection of reducers
A1KPTH reducer allowable input power P see Table A1Table A
Transmission ratio
Your level center mm
Allowable input power P, xw4 Reducer lubrication
JB/T10243—2001
The reducer adopts oil pool and oil spray lubrication, and the lubricating oil should meet the performance indicators specified in GB/T5903 gear oil L-CKC220 (first-class product).
5.5 Under the condition that the main engine is running normally, the service life of the reducer shall not be less than 50000116 Test methods and inspection rules
6.1 The reducer shall be tested for operation after qualified assembly. Or fill a certain amount of lubricating oil of specified brand into the box during inspection, and connect it to the lubrication system according to the design requirements.
6.2 Factory inspection and type inspection
6,2,1 Factory inspection
The reducer shall be subjected to 2 operation tests in forward and reverse directions at a fixed rotation path and under no-load. The test shall meet the following requirements: a) All joints and fasteners shall not be loose;
b) All sealing parts and joints shall be free of oil; the operation shall be smooth and positive, without impact and abnormal noise; d) The oil temperature rise shall not exceed 25°C, and all lubrication points shall be fully lubricated; e) The contact spots on the teeth shall comply with the provisions of 5.3.4; the cleanliness of the reducer shall meet the requirements of 5.3.5; the appearance shall be smooth and beautiful;
h) All random documents are complete.
6.2.2 Type inspection should be carried out in any of the following cases: a) When there are major changes in product design, structure, process or materials that may affect product performance; b) When production is resumed after a long period of suspension; c) When the results of the production inspection are very different from the last production inspection; e) When new products or old products are transferred to the factory for production and identification; e) For products in normal production, when the national quality supervision and inspection agency carries out type inspection requirements for every 50 units produced, 6.2.3 The items of type inspection should include all the contents of this standard. Type inspection should be carried out on units that have passed the factory inspection. If the inspection does not meet the requirements, it should be readjusted and double the number of units should be inspected. ? Marking, packaging, transportation and storage
1 The reducer should have a product label fixed in a prominent position. The form and size of the label shall comply with the provisions of GB13306, and shall indicate the following contents:
a) Name of the manufacturer:
b) Product name and model:
c) Product ex-factory date and number:
d) Main technical parameters.
7.2 The speed reducer shall be packaged and shipped according to the delivery list and packing list. JB/E1 No. 243—2001
7.3 All machining surfaces and non-painted surfaces of each component shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be wrapped with plastic after oiling to prevent corrosion and damage. The corrosion method shall ensure that the reducer is free from corrosion within 1 year. For the broken wheel due to corrosion, it must be rust-free and run in test to reach the acid acceptance standard before it can work normally. 7.4 Technical documents include:
) Reducer overall appearance:
b) Lubrication system diagram:
Center installation and operation instructions;
) Packing list:
) Certificate of conformity.
7.5 The coupling should be placed in a warehouse with protective measures. The storage unit should check the anti-deterioration oil regularly and replace or supplement it as needed.
JB/T 10243-2001
Engraving A
(Appendix to the standard)
Load-bearing capacity and selection of reducers
A1KPTH reducer allowable input power P see Table A1Table A
Transmission ratio
Your level center mm
Allowable input power P, xw4 Reducer lubrication
JB/T10243—2001
The reducer adopts oil pool and oil spray lubrication, and the lubricating oil should meet the performance indicators specified in GB/T5903 gear oil L-CKC220 (first-class product).
5.5 Under the condition that the main engine is running normally, the service life of the reducer shall not be less than 50000116 Test methods and inspection rules
6.1 The reducer shall be tested for operation after qualified assembly. Or fill a certain amount of lubricating oil of specified brand into the box during inspection, and connect it to the lubrication system according to the design requirements.
6.2 Factory inspection and type inspection
6,2,1 Factory inspection
The reducer shall be subjected to 2 operation tests in forward and reverse directions at a fixed rotation path and under no-load. The test shall meet the following requirements: a) All joints and fasteners shall not be loose;
b) All sealing parts and joints shall be free of oil; the operation shall be smooth and positive, without impact and abnormal noise; d) The oil temperature rise shall not exceed 25°C, and all lubrication points shall be fully lubricated; e) The contact spots on the teeth shall comply with the provisions of 5.3.4; the cleanliness of the reducer shall meet the requirements of 5.3.5; the appearance shall be smooth and beautiful;
h) All random documents are complete.
6.2.2 Type inspection should be carried out in any of the following cases: a) When there are major changes in product design, structure, process or materials that may affect product performance; b) When production is resumed after a long period of suspension; c) When the results of the production inspection are very different from the last production inspection; e) When new products or old products are transferred to the factory for production and identification; e) For products in normal production, when the national quality supervision and inspection agency carries out type inspection requirements for every 50 units produced, 6.2.3 The items of type inspection should include all the contents of this standard. Type inspection should be carried out on units that have passed the factory inspection. If the inspection does not meet the requirements, it should be readjusted and double the number of units should be inspected. ? Marking, packaging, transportation and storage
1 The reducer should have a product label fixed in a prominent position. The form and size of the label shall comply with the provisions of GB13306, and shall indicate the following contents:
a) Name of the manufacturer:
b) Product name and model:
c) Product ex-factory date and number:
d) Main technical parameters.
7.2 The speed reducer shall be packaged and shipped according to the delivery list and packing list. JB/E1 No. 243—2001
7.3 All machining surfaces and non-painted surfaces of each component shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be wrapped with plastic after oiling to prevent corrosion and damage. The corrosion method shall ensure that the reducer is free from corrosion within 1 year. For the broken wheel due to corrosion, it must be rust-free and run in test to reach the acid acceptance standard before it can work normally. 7.4 Technical documents include:
) Reducer overall appearance:
b) Lubrication system diagram:
Center installation and operation instructions;
) Packing list:
) Certificate of conformity.
7.5 The coupling should be placed in a warehouse with protective measures. The storage unit should check the anti-deterioration oil regularly and replace or supplement it as needed.
JB/T 10243-2001
Engraving A
(Appendix to the standard)
Load-bearing capacity and selection of reducers
A1KPTH reducer allowable input power P see Table A1Table A
Transmission ratio
Your level center mm
Allowable input power P, xw
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