Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T7681-95
ZJ Series Planetary Gear Reducer
Published on 1995-06-16
Ministry of Machinery Industry of the People's Republic of China
Implementation on 1996-07-01
Mechanical Industry Standard of the People's Republic of China
ZJ Series Planetary Gear Reducer
1 Subject Content and Scope of Application
JB/T7681-95
This standard specifies the type and basic dimensions, technical requirements, test methods, inspection rules and markings, packaging, transportation, storage, etc. of Z series gear reducers.
The reducers specified in this standard are applicable to tube mills in the building materials industry, as well as metallurgical, energy and light chemical equipment. 2 Reference standards
GB1095
GB1184
GB1356
GB1357
GB1801
GB9439
GB10095
GB11368
GB/T13306
JB/ZQ4000.10
3 Type dimensions
Cross-sectional dimensions of flat chain keys and keyways||tt| |Shape and position tolerances Provisions for involute cylindrical gears without tolerances
Involute cylindrical gear number
Tolerances and fit dimensions to 500mm holes, shaft tolerance zones and fits for grey cast iron parts
Precision of involute cylindrical gears
Cleanliness of gear transmission devices
General technical conditions for painting
Reducer type and overall dimensions
The reducer is a two-speed transmission type, and its overall dimensions are shown in Figure 1, Table 1, Figure 2, and Table 2 respectively. Figure 1
Approved by the Ministry of Machinery Industry on June 16, 1995
Implemented on July 1, 1996
ZJ1250
ZJ1360
ZJ1550
ZJ1750
ZJ2120
ZJ1250
ZJ1360
ZJ1550
ZJ17 50
ZJ2120
ZJ2240
ZJ2240
Model designation
JB/T7681-95
Speed ratio code
Nominal pitch circle diameter of low-speed stage internal gear ring
Planetary gear reducer for tube mill in building materials industry 450
Weight kg
3.2.2 Example
JB/T 768195
The nominal pitch circle diameter of low-speed stage internal gear is 1250mm, and the speed ratio code is 2 (the corresponding speed ratio is 35.5). The planetary gear reducer for mill in building materials industry is marked as: ZJ1250-24 Basic parameters
4.1 The center distance of the reducer shall comply with the provisions of Table 3. Table 3
Speed level of reducer
Nominal center distance
268,300.335,354.392,413,433
4.2 The nominal transmission ratio of the reducer shall comply with the provisions of Table 4. Table 4
Speed ratio code
Nominal transmission ratio
The relative error between the actual transmission ratio of the reducer and the nominal transmission ratio shall not exceed 1.5%. Low speed
384,420,470,536,630,700,750
4.3 The gear module shall comply with the provisions of GB1357. The gear module selected in this standard is shown in Table 5. Table 5
Gear module
4.4 The basic gear ratio shall comply with the provisions of GB1356. 4.5 Number of planetary gears: n,=3.
5 Technical requirements
5.1 Basic technical requirements
5.1.1 ZJ type reducer shall meet the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 5
5.1.2 The shaft speed of the reducer shall not exceed 750r/min; the ambient temperature shall be -40 to +45℃. When the ambient temperature is below 15℃, a heating device shall be installed, and when it is above 35℃, a cooling device shall be installed. 5.1.3 The efficiency of the reducer at full load shall not be less than 0.96. 5. 1.4
The design life of the reducer shall not be less than 15 years.
The temperature rise of the lubricating oil in the reducer box shall not exceed 35℃. The bearing temperature rise shall not exceed 40℃. 5.1.6 The noise of the reducer shall not exceed 85dB(A). 5.1.7 The unidirectional amplitude of the reducer shall not exceed 0.02mm. 5.2 Technical requirements for manufacturing of main parts
5.2.1 Engine body and engine cover
The engine body material shall not be lower than the HT200 performance requirements specified in GB9439. 5. 2. 1. 1
: The engine body and engine cover shall be subjected to aging treatment after rough machining. 5. 2. 1. 2
The machining accuracy of the interconnected parts of the engine body and engine cover and the holes matching the bearings and internal gears are as follows: the end face runout of the internal gear shoulder shall be in accordance with the 7th grade accuracy of GB10095; the end face runout of the bearing hole shoulder shall be in accordance with the 6th grade accuracy of GB1184; the coaxiality of the holes of the engine body and engine cover shall be in accordance with the 6th grade accuracy of GB1184; the coaxiality of the end cover hole shall be in accordance with the 7th grade accuracy. 3
5.2.1.4 The engine body and engine cover shall not be allowed to leak oil.
5.2.2 Rotating frame
JB/T7681-95
5.2.2.1 Low-speed rotating frame should be made of ZG40Cr or other materials with mechanical properties not lower than it (its shaft head is made of forged steel 40Cr); high-speed rotating frame should be made of ZG35CrMo or other materials with mechanical properties not lower than it, and the mechanical properties requirements should meet the requirements of Table 6. Table 6
ZG35CrMo
ZG40Cr
Heat treatment
5.2.2.2 The three planetary gear axle hole distance deviation is calculated according to formula (1): mechanical
fi≤±3Va/1000
Where: au center distance, mm;
f.--planetary gear axle hole distance deviation, μm.
5.2.2.3 The coaxiality of the datum journal of the rotating frame hole and the bearing shall comply with the 6th grade regulations of GB1184. 5.2.2.4 The parallelism tolerance of the three planetary gear holes to the datum axis of the rotating frame. The parallelism tolerance of the axis direction: factory, -f, ·L/6. The parallelism tolerance of the axis drawing direction: production, two f, ·L/b. Where: f, J, shall comply with the 6th grade regulations of GB10095, and the tolerance values are shown in Table 7; L--planetary gear shaft span, mm;
6---planetary gear width mm,
Deviation code
>40~100
>100~160
The center distance limit deviation of the earth f shall comply with the 6th grade regulations of GB10095. 5.2.2.5
5.2.2.6 The rotating frame shall be subjected to a static balance test after finishing. N·m
Static unbalanced moment is not greater than: 12×10-*G Where: G-rotor weight, N.
5.2.3 Gears, sun gears, planetary gears, internal gears, shafts and axiality
>160~250
255~286
228~321
>250~~400
5.2.3.1 Sun gears and planetary gears are forged parts, and the materials, heat treatment and mechanical properties shall comply with the provisions of Table 8, or materials with mechanical properties not lower than it shall be used. The effective hardened layer depth after carburizing and finishing of the tooth surface is 0.15~0.25mn, and the tooth surface is not allowed to have rate fire and close cutting cracks. Material
20CrMnTi
20CrNi2MoA
17Cr2Ni2Mo
5. 2. 3. 2
5. 2. 3. 3
5. 2. 3. 4
5. 2. 3.5
Heat treatment
Carburizing, Tianjin fire, fire
Carburizing, Zhang fire, tempering
Mu carbon, Ping fire, Guo fire
Section size
JB/T 7681-95
Sample size 15
Sample size 30
Sample size 30
The end face runout tolerance of each gear meets the 6th grade precision regulations of GB10095, %
5862130~42
The end face runout tolerance of the shaft shoulder of the shaft and the turret shaft and the bearing meets the 6th grade precision regulations of GB10095. The shaft of the low-speed turret shaft of the shaft must run out, and the total runout tolerance meets the 6th grade precision regulations of GB10095. Internal gears and high-speed shafts should be made of 42CrMo or materials with mechanical properties not lower than it, and floating gear sleeves should be made of 60Si2Mn or materials with mechanical properties not lower than it, and their mechanical properties should comply with the provisions of Table 9. 5.2.3.6 Planetary gear shafts and rotating frame shaft heads should be made of 40Cr or materials with mechanical properties not lower than it, and their mechanical properties should comply with the provisions of Table 10. 5.2.3.7
Gear accuracy: Planetary gear and sun gear accuracy 6KMGB10095 Internal gear accuracy 7KMGB10095
Each gear inspection item shall comply with the provisions of Table 11. Table 9
Sectional size
42CrMo
60Si2Mn
Heat treatment
Annealing and tempering
Heat treatment
>100~300
>300~500
>500~700
Sectional size
>100~300
>300~500
>500~800
269~296
229269
229265
197235
21725 5
229269
197~235
197235
179~229
Inspection group
Inspection items
1st tolerance group
Fe or F, and Fw
The meaning of the codes in the table:
Fp—Pitch cumulative tolerance:
Fw—Normal length variation tolerance;
F,——Gear ring radial runout tolerance;
J-—Tooth profile tolerance:
Pitch limit deviation:
——Base pitch limit deviation:www.bzxz.net
Factory—Tooth direction tolerance.
JB/T7681-95
The tolerance group
and or
The values of the above codes meet the gear precision GB10095. 5.2.3.8 The limit deviation of tooth thickness E., E shall meet the requirements of GB10095. The first tolerance group
Gear pair
Contact point and
5.2.3.9 The average length deviation of the normal line: For the sun gear and planetary gear, the average length deviation of the normal line E, E shall meet the requirements of GB10095; For the internal gear, the upper deviation of the average length of the normal line: Ein = -E, the lower deviation of the average length of the normal line, Efull = -W. 5.3 Assembly technical requirements
Before assembly, all parts should be carefully cleaned, and the unprocessed surfaces of all parts inside and outside the machine body should be oiled according to the requirements of JB/ZQ4000.10. 5.3.2 During assembly, check the axial spacing between each floating part strictly according to the requirements of the drawing. 5.3.3 After assembly, the sun gear and planetary gear, planetary gear and rotating frame hole, planetary gear and internal gear should be marked with corresponding matching and matching marks. 5.3.4
The minimum side acid of the gear transmission should comply with the provisions of Table 12. The contact spots of the gear pair should comply with the provisions of Table 13. Table 12
Center distance a
mm).
80~120>120~200
>50~80
Height direction
Width direction
≥>200~320
Not less than 50%
Not less than 70%
>320~500
>500~800
>800~1250
Not less than 45%
Not less than 60%
Cleanliness of reducer: The weight of dirt filtered by 200 mesh filter is not more than 3.4α (mg ）(α is the sum of the center distances of each level, 5.4 Reducer Lubrication
The reducer adopts oil pool splash and thin oil station oil feeding lubrication, and the lubricating oil is N220~N320 medium load gear oil. Test method and acceptance rules
6.1 The reducer should be tested for operation after qualified assembly. During the test, a certain amount of lubricating oil of the specified brand is injected into the box, and the lubrication system is connected according to the design requirements.
6.2 Factory test and type test
6.2.1 Factory test
JB/T7681-95
The reducer should be tested at rated speed and air Under load, the forward and reverse running tests are carried out for 2 hours each. The test should meet the following requirements: 6.2.1.1 All connecting parts and fasteners must not be loose. 6.2.1.2 All seals and joints must not leak oil. 6.2.1.3 The operation is smooth and normal, without impact and abnormal noise. 6.2.1.4 The temperature rise of the lubricating sleeve in the box shall not exceed 25℃, and each lubrication point shall be fully lubricated. 6.2.1.5 The contact spots on the tooth surface shall comply with the provisions of Table 13. 6.2.1.6 The cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.2.2 Type test
New products produced for the first time should be type tested. The test requires that the high-speed pinion gear teeth should be sprayed 5×10” times at rated speed and constant load, but it can also be carried out through industrial tests at the site of use. The specific requirements shall be implemented according to the factory regulations. The test should meet the following requirements.
The parts of the housing, joint surfaces and seals shall not leak oil. 6.2.2.1
The reducer efficiency shall meet the requirements of Article 5.1.3. The temperature rise of the lubricating oil and the bearing temperature rise in the reducer housing shall meet the requirements of Article 5.1.5. 6.2.2.3
The reducer noise shall meet the requirements of Article 5.1.6. 6.2. 2.42
6.2.2.5 The unidirectional amplitude of the reducer shall meet the requirements of Article 5.1.7, and the cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.3 Acceptance
For reducers produced in batches, regular or irregular sampling inspections shall be carried out. For reducers of the same type and size, 10% sampling inspections are allowed. If they are still unqualified, all of them shall be inspected. If there are less than ten units, one unit shall be sampled. Reducers that meet the following requirements can be factory inspected. 6.3.1 Comply with the type and technical requirements of this standard. The three test data of noise, temperature rise and efficiency are qualified. 6.3.2
The cleanliness and sealing performance of the reducer are qualified. 6.3.3
The contact spots on the tooth surface are qualified.
The appearance is smooth and good.
The random documents are complete.
Marking, packaging, transportation, storage
Each reducer shall be fixed with a product label in a prominent position, and its type and size shall comply with the provisions of GB/T13306. The label content includes a.
Manufacturer name and trademark;
Name and model:
Total transmission ratio:
Rated output torque;
Maximum input speed:
Weight,
Factory number:
Factory address:
Year and month of production.
7.2 Reducer packaging
7.2.1 Reducers shall be packaged and shipped according to the delivery details list and packing list. JB/T7681—95
7.2.2 During packaging, all machined surfaces and non-oiled surfaces of each part should be coated with anti-rust oil. The shaft extension part and the coupling part should be packed with plastic after oiling to prevent rust and damage. The anti-corrosion method should ensure that the reducer is free from rust within one year. Drawings and technical documents supplied randomly:
General drawing of reducer:
Lubrication system diagram:
Installation and operating instructions;
Packing list;
Certificate of conformity.
Storage of reducer
The reducer should be stored in a rainproof warehouse. The storage unit should check the anti-rust oil regularly and replace or replenish it as needed.7
Gear accuracy: Planetary gear and sun gear accuracy 6KMGB10095 Internal gear accuracy 7KMGB10095
The inspection items of each gear shall comply with the requirements of Table 11. Table 9
Sectional size
42CrMo
60Si2Mn
Heat treatment
Annealing and tempering
Heat treatment
>100~300
>300~500
>500~700
Sectional size
>100~300
>300~500
>500~800
269~296
229269
229265
197235
21725 5
229269
197~235
197235
179~229
Inspection group
Inspection items
1st tolerance group
Fe or F, and Fw
The meaning of the codes in the table:
Fp—Pitch cumulative tolerance:
Fw—Normal length variation tolerance;
F,——Gear ring radial runout tolerance;
J-—Tooth profile tolerance:
Pitch limit deviation:
——Base pitch limit deviation:
Factory—Tooth direction tolerance.
JB/T7681-95
The tolerance group
and or
The values of the above codes meet the gear precision GB10095. 5.2.3.8 The limit deviation of tooth thickness E., E shall meet the requirements of GB10095. The first tolerance group
Gear pair
Contact point and
5.2.3.9 The average length deviation of the normal line: For the sun gear and planetary gear, the average length deviation of the normal line E, E shall meet the requirements of GB10095; For the internal gear, the upper deviation of the average length of the normal line: Ein = -E, the lower deviation of the average length of the normal line, Efull = -W. 5.3 Assembly technical requirements
Before assembly, all parts should be carefully cleaned, and the unprocessed surfaces of all parts inside and outside the machine body should be oiled according to the requirements of JB/ZQ4000.10. 5.3.2 During assembly, check the axial spacing between each floating part strictly according to the requirements of the drawing. 5.3.3 After assembly, the sun gear and planetary gear, planetary gear and rotating frame hole, planetary gear and internal gear should be marked with corresponding matching and matching marks. 5.3.4
The minimum side acid of the gear transmission should comply with the provisions of Table 12. The contact spots of the gear pair should comply with the provisions of Table 13. Table 12
Center distance a
mm).
80~120>120~200
>50~80
Height direction
Width direction
≥>200~320
Not less than 50%
Not less than 70%
>320~500
>500~800
>800~1250
Not less than 45%
Not less than 60%
Cleanliness of reducer: The weight of dirt filtered by 200 mesh filter is not more than 3.4α (mg ）(α is the sum of the center distances of each level, 5.4 Reducer Lubrication
The reducer adopts oil pool splash and thin oil station oil feeding lubrication, and the lubricating oil is N220~N320 medium load gear oil. Test method and acceptance rules
6.1 The reducer should be tested for operation after qualified assembly. During the test, a certain amount of lubricating oil of the specified brand is injected into the box, and the lubrication system is connected according to the design requirements.
6.2 Factory test and type test
6.2.1 Factory test
JB/T7681-95
The reducer should be tested at rated speed and air Under load, the forward and reverse running tests are carried out for 2 hours each. The test should meet the following requirements: 6.2.1.1 All connecting parts and fasteners must not be loose. 6.2.1.2 All seals and joints must not leak oil. 6.2.1.3 The operation is smooth and normal, without impact and abnormal noise. 6.2.1.4 The temperature rise of the lubricating sleeve in the box shall not exceed 25℃, and each lubrication point shall be fully lubricated. 6.2.1.5 The contact spots on the tooth surface shall comply with the provisions of Table 13. 6.2.1.6 The cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.2.2 Type test
New products produced for the first time should be type tested. The test requires that the high-speed pinion gear teeth should be sprayed 5×10” times at rated speed and constant load, but it can also be carried out through industrial tests at the site of use. The specific requirements shall be implemented according to the factory regulations. The test should meet the following requirements.
The parts of the housing, joint surfaces and seals shall not leak oil. 6.2.2.1
The reducer efficiency shall meet the requirements of Article 5.1.3. The temperature rise of the lubricating oil and the bearing temperature rise in the reducer housing shall meet the requirements of Article 5.1.5. 6.2.2.3
The reducer noise shall meet the requirements of Article 5.1.6. 6.2. 2.42
6.2.2.5 The unidirectional amplitude of the reducer shall meet the requirements of Article 5.1.7, and the cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.3 Acceptance
For reducers produced in batches, regular or irregular sampling inspections shall be carried out. For reducers of the same type and size, 10% sampling inspections are allowed. If they are still unqualified, all of them shall be inspected. If there are less than ten units, one unit shall be sampled. Reducers that meet the following requirements can be factory inspected. 6.3.1 Comply with the type and technical requirements of this standard. The three test data of noise, temperature rise and efficiency are qualified. 6.3.2
The cleanliness and sealing performance of the reducer are qualified. 6.3.3
The contact spots on the tooth surface are qualified.
The appearance is smooth and good.
The random documents are complete.
Marking, packaging, transportation, storage
Each reducer shall be fixed with a product label in a prominent position, and its type and size shall comply with the provisions of GB/T13306. The label content includes a.
Manufacturer name and trademark;
Name and model:
Total transmission ratio:
Rated output torque;
Maximum input speed:
Weight,
Factory number:
Factory address:
Year and month of production.
7.2 Reducer packaging
7.2.1 Reducers shall be packaged and shipped according to the delivery details list and packing list. JB/T7681—95
7.2.2 During packaging, all machined surfaces and non-oiled surfaces of each part should be coated with anti-rust oil. The shaft extension part and the coupling part should be packed with plastic after oiling to prevent rust and damage. The anti-corrosion method should ensure that the reducer is free from rust within one year. Drawings and technical documents supplied randomly:
General drawing of reducer:
Lubrication system diagram:
Installation and operating instructions;
Packing list;
Certificate of conformity.
Storage of reducer
The reducer should be stored in a rainproof warehouse. The storage unit should check the anti-rust oil regularly and replace or replenish it as needed.7
Gear accuracy: Planetary gear and sun gear accuracy 6KMGB10095 Internal gear accuracy 7KMGB10095
The inspection items of each gear shall comply with the requirements of Table 11. Table 9
Sectional size
42CrMo
60Si2Mn
Heat treatment
Annealing and tempering
Heat treatment
>100~300
>300~500
>500~700
Sectional size
>100~300
>300~500
>500~800
269~296
229269
229265
197235
21725 5
229269
197~235
197235
179~229
Inspection group
Inspection items
1st tolerance group
Fe or F, and Fw
The meaning of the codes in the table:
Fp—Pitch cumulative tolerance:
Fw—Normal length variation tolerance;
F,——Gear ring radial runout tolerance;
J-—Tooth profile tolerance:
Pitch limit deviation:
——Base pitch limit deviation:
Factory—Tooth direction tolerance.
JB/T7681-95
The tolerance group
and or
The values of the above codes meet the gear precision GB10095. 5.2.3.8 The limit deviation of tooth thickness E., E shall meet the requirements of GB10095. The first tolerance group
Gear pair
Contact point and
5.2.3.9 The average length deviation of the normal line: For the sun gear and planetary gear, the average length deviation of the normal line E, E shall meet the requirements of GB10095; For the internal gear, the upper deviation of the average length of the normal line: Ein = -E, the lower deviation of the average length of the normal line, Efull = -W. 5.3 Assembly technical requirements
Before assembly, all parts should be carefully cleaned, and the unprocessed surfaces of all parts inside and outside the machine body should be oiled according to the requirements of JB/ZQ4000.10. 5.3.2 During assembly, check the axial spacing between each floating part strictly according to the requirements of the drawing. 5.3.3 After assembly, the sun gear and planetary gear, planetary gear and rotating frame hole, planetary gear and internal gear should be marked with corresponding matching and matching marks. 5.3.4
The minimum side acid of the gear transmission should comply with the provisions of Table 12. The contact spots of the gear pair should comply with the provisions of Table 13. Table 12
Center distance a
mm).
80~120>120~200
>50~80
Height direction
Width direction
≥>200~320
Not less than 50%
Not less than 70%
>320~500
>500~800
>800~1250
Not less than 45%
Not less than 60%
Cleanliness of reducer: The weight of dirt filtered by 200 mesh filter is not more than 3.4α (mg ）(α is the sum of the center distances of each level, 5.4 Reducer Lubrication
The reducer adopts oil pool splash and thin oil station oil feeding lubrication, and the lubricating oil is N220~N320 medium load gear oil. Test method and acceptance rules
6.1 The reducer should be tested for operation after qualified assembly. During the test, a certain amount of lubricating oil of the specified brand is injected into the box, and the lubrication system is connected according to the design requirements.
6.2 Factory test and type test
6.2.1 Factory test
JB/T7681-95
The reducer should be tested at rated speed and air Under load, the forward and reverse running tests are carried out for 2 hours each. The test should meet the following requirements: 6.2.1.1 All connecting parts and fasteners must not be loose. 6.2.1.2 All sealing parts and joints must not leak oil. 6.2.1.3 The operation is smooth and normal, without impact and abnormal noise. 6.2.1.4 The temperature rise of the lubricating sleeve in the box shall not exceed 25℃, and each lubrication point shall be fully lubricated. 6.2.1.5 The contact spots on the tooth surface shall comply with the provisions of Table 13. 6.2.1.6 The cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.2.2 Type test
New products produced for the first time should be type tested. The test requires that the high-speed pinion gear teeth should be sprayed 5×10” times at rated speed and constant load, but it can also be carried out through industrial tests at the site of use. The specific requirements shall be implemented according to the factory regulations. The test should meet the following requirements.
The parts of the housing, joint surfaces and seals shall not leak oil. 6.2.2.1
The reducer efficiency shall meet the requirements of Article 5.1.3. The temperature rise of the lubricating oil and the bearing temperature rise in the reducer housing shall meet the requirements of Article 5.1.5. 6.2.2.3
The reducer noise shall meet the requirements of Article 5.1.6. 6.2. 2.42
6.2.2.5 The unidirectional amplitude of the reducer shall meet the requirements of Article 5.1.7, and the cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.3 Acceptance
For reducers produced in batches, regular or irregular sampling inspections shall be carried out. For reducers of the same type and size, 10% sampling inspections are allowed. If they are still unqualified, all of them shall be inspected. If there are less than ten units, one unit shall be sampled. Reducers that meet the following requirements can be factory inspected. 6.3.1 Comply with the type and technical requirements of this standard. The three test data of noise, temperature rise and efficiency are qualified. 6.3.2
The cleanliness and sealing performance of the reducer are qualified. 6.3.3
The contact spots on the tooth surface are qualified.
The appearance is smooth and good.
The random documents are complete.
Marking, packaging, transportation, storage
Each reducer shall be fixed with a product label in a prominent position, and its type and size shall comply with the provisions of GB/T13306. The label content includes a.
Manufacturer name and trademark;
Name and model:
Total transmission ratio:
Rated output torque;
Maximum input speed:
Weight,
Factory number:
Factory address:
Year and month of production.
7.2 Reducer packaging
7.2.1 Reducers shall be packaged and shipped according to the loan details list and packing list. JB/T7681—95
7.2.2 During packaging, all machined surfaces and non-oiled surfaces of each part should be coated with anti-rust oil. The shaft extension part and the coupling part should be packed with plastic after oiling to prevent rust and damage. The anti-corrosion method should ensure that the reducer is free from rust within one year. Drawings and technical documents supplied randomly:
General drawing of reducer:
Lubrication system diagram:
Installation and operating instructions;
Packing list;
Certificate of conformity.
Storage of reducer
The reducer should be stored in a rainproof warehouse. The storage unit should check the anti-rust oil regularly and replace or replenish it as needed., E should comply with the provisions of GB10095. Tolerance Group 1
Gear Pair
Contact Point and
5.2.3.9 Deviation of the Average Length of the Normal Line: For the sun gear and planetary gear, the deviation of the average length of the normal line E, E should comply with the provisions of GB10095; for the internal gear, the upper deviation of the average length of the normal line: Ein = -E, the lower deviation of the average length of the normal line, Efull = -W. 5.3 Assembly Technical Requirements
Before assembly, all parts should be carefully cleaned, and the unprocessed surfaces of all parts inside and outside the machine body should be oiled according to the provisions of JB/ZQ4000.10. 5.3.2 During assembly, strictly check the axial clearance between each floating part according to the requirements of the drawing. 5.3.3 After assembly, the sun gear and the planetary gear, the planetary gear and the rotating frame hole, and the planetary gear and the internal gear should be marked with corresponding matching and matching marks. 5.3.4
The minimum side acid of the gear transmission should comply with the provisions of Table 12. The contact spots of the gear pair shall comply with the provisions of Table 13. Table 12
Center distance a
mm).
80~120>120~200
>50~80
Height direction
Width direction
≥>200~320
Not less than 50%
Not less than 70%
>320~500
>500~800
>800~1250
Not less than 45%
Not less than 60%
Cleanliness of the reducer: The weight of the dirt filtered by a 200-mesh filter shall not exceed 3.4α (mg ）(α is the sum of the center distances of each level, 5.4 Reducer Lubrication
The reducer adopts oil pool splash and thin oil station oil feeding lubrication, and the lubricating oil is N220~N320 medium load gear oil. Test method and acceptance rules
6.1 The reducer should be tested for operation after qualified assembly. During the test, a certain amount of lubricating oil of the specified brand is injected into the box, and the lubrication system is connected according to the design requirements.
6.2 Factory test and type test
6.2.1 Factory test
JB/T7681-95
The reducer should be tested at rated speed and air Under load, the forward and reverse running tests are carried out for 2 hours each. The test should meet the following requirements: 6.2.1.1 All connecting parts and fasteners must not be loose. 6.2.1.2 All sealing parts and joints must not leak oil. 6.2.1.3 The operation is smooth and normal, without impact and abnormal noise. 6.2.1.4 The temperature rise of the lubricating sleeve in the box shall not exceed 25℃, and each lubrication point shall be fully lubricated. 6.2.1.5 The contact spots on the tooth surface shall comply with the provisions of Table 13. 6.2.1.6 The cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.2.2 Type test
New products produced for the first time should be type tested. The test requires that the high-speed pinion gear teeth should be sprayed 5×10” times at rated speed and constant load, but it can also be carried out through industrial tests at the site of use. The specific requirements shall be implemented according to the factory regulations. The test should meet the following requirements.
The parts of the housing, joint surfaces and seals shall not leak oil. 6.2.2.1
The reducer efficiency shall meet the requirements of Article 5.1.3. The temperature rise of the lubricating oil and the bearing temperature rise in the reducer housing shall meet the requirements of Article 5.1.5. 6.2.2.3
The reducer noise shall meet the requirements of Article 5.1.6. 6.2. 2.42
6.2.2.5 The unidirectional amplitude of the reducer shall meet the requirements of Article 5.1.7, and the cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.3 Acceptance
For reducers produced in batches, regular or irregular sampling inspections shall be carried out. For reducers of the same type and size, 10% sampling inspections are allowed. If they are still unqualified, all of them shall be inspected. If there are less than ten units, one unit shall be sampled. Reducers that meet the following requirements can be factory inspected. 6.3.1 Comply with the type and technical requirements of this standard. The three test data of noise, temperature rise and efficiency are qualified. 6.3.2
The cleanliness and sealing performance of the reducer are qualified. 6.3.3
The contact spots on the tooth surface are qualified.
The appearance is smooth and good.
The random documents are complete.
Marking, packaging, transportation, storage
Each reducer shall be fixed with a product label in a prominent position, and its type and size shall comply with the provisions of GB/T13306. The label content includes a.
Manufacturer name and trademark;
Name and model:
Total transmission ratio:
Rated output torque;
Maximum input speed:
Weight,
Factory number:
Factory address:
Year and month of production.
7.2 Reducer packaging
7.2.1 Reducers shall be packaged and shipped according to the delivery details list and packing list. JB/T7681—95
7.2.2 During packaging, all machined surfaces and non-oiled surfaces of each part should be coated with anti-rust oil. The shaft extension part and the coupling part should be packed with plastic after oiling to prevent rust and damage. The anti-corrosion method should ensure that the reducer is free from rust within one year. Drawings and technical documents supplied randomly:
General drawing of reducer:
Lubrication system diagram:
Installation and operating instructions;
Packing list;
Certificate of conformity.
Storage of reducer
The reducer should be stored in a rainproof warehouse. The storage unit should check the anti-rust oil regularly and replace or replenish it as needed., E should comply with the provisions of GB10095. Tolerance Group 1
Gear Pair
Contact Point and
5.2.3.9 Deviation of the Average Length of the Normal Line: For the sun gear and planetary gear, the deviation of the average length of the normal line E, E should comply with the provisions of GB10095; for the internal gear, the upper deviation of the average length of the normal line: Ein = -E, the lower deviation of the average length of the normal line, Efull = -W. 5.3 Assembly Technical Requirements
Before assembly, all parts should be carefully cleaned, and the unprocessed surfaces of all parts inside and outside the machine body should be oiled according to the provisions of JB/ZQ4000.10. 5.3.2 During assembly, strictly check the axial clearance between each floating part according to the requirements of the drawing. 5.3.3 After assembly, the sun gear and the planetary gear, the planetary gear and the rotating frame hole, and the planetary gear and the internal gear should be marked with corresponding matching and matching marks. 5.3.4
The minimum side acid of the gear transmission should comply with the provisions of Table 12. The contact spots of the gear pair shall comply with the provisions of Table 13. Table 12
Center distance a
mm).
80~120>120~200
>50~80
Height square
Width direction
≥>200~320
Not less than 50%
Not less than 70%
>320~500
>500~800
>800~1250
Not less than 45%
Not less than 60%
Cleanliness of the reducer: The weight of the dirt filtered by the 200-mesh filter shall not exceed 3.4α (mg ）(α is the sum of the center distances of each level, 5.4 Reducer Lubrication
The reducer adopts oil pool splash and thin oil station oil feeding lubrication, and the lubricating oil is N220~N320 medium load gear oil. Test method and acceptance rules
6.1 The reducer should be tested for operation after qualified assembly. During the test, a certain amount of lubricating oil of the specified brand is injected into the box, and the lubrication system is connected according to the design requirements.
6.2 Factory test and type test
6.2.1 Factory test
JB/T7681-95
The reducer should be tested at rated speed and air Under load, the forward and reverse running tests are carried out for 2 hours each. The test should meet the following requirements: 6.2.1.1 All connecting parts and fasteners must not be loose. 6.2.1.2 All sealing parts and joints must not leak oil. 6.2.1.3 The operation is smooth and normal, without impact and abnormal noise. 6.2.1.4 The temperature rise of the lubricating sleeve in the box shall not exceed 25℃, and each lubrication point shall be fully lubricated. 6.2.1.5 The contact spots on the tooth surface shall comply with the provisions of Table 13. 6.2.1.6 The cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.2.2 Type test
New products produced for the first time should be type tested. The test requires that the high-speed pinion gear teeth should be sprayed 5×10” times at rated speed and constant load, but it can also be carried out through industrial tests at the site of use. The specific requirements shall be implemented according to the factory regulations. The test should meet the following requirements.
The parts of the housing, joint surfaces and seals shall not leak oil. 6.2.2.1
The reducer efficiency shall meet the requirements of Article 5.1.3. The temperature rise of the lubricating oil and the bearing temperature rise in the reducer housing shall meet the requirements of Article 5.1.5. 6.2.2.3
The reducer noise shall meet the requirements of Article 5.1.6. 6.2. 2.42
6.2.2.5 The unidirectional amplitude of the reducer shall meet the requirements of Article 5.1.7, and the cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.3 Acceptance
For reducers produced in batches, regular or irregular sampling inspections shall be carried out. For reducers of the same type and size, 10% sampling inspections are allowed. If they are still unqualified, all of them shall be inspected. If there are less than ten units, one unit shall be sampled. Reducers that meet the following requirements can be factory inspected. 6.3.1 Comply with the type and technical requirements of this standard. The three test data of noise, temperature rise and efficiency are qualified. 6.3.2
The cleanliness and sealing performance of the reducer are qualified. 6.3.3
The contact spots on the tooth surface are qualified.
The appearance is smooth and good.
The random documents are complete.
Marking, packaging, transportation, storage
Each reducer shall be fixed with a product label in a prominent position, and its type and size shall comply with the provisions of GB/T13306. The label content includes a.
Manufacturer name and trademark;
Name and model:
Total transmission ratio:
Rated output torque;
Maximum input speed:
Weight,
Factory number:
Factory address:
Year and month of production.
7.2 Reducer packaging
7.2.1 Reducers shall be packaged and shipped according to the delivery details list and packing list. JB/T7681—95
7.2.2 During packaging, all machined surfaces and non-oiled surfaces of each part should be coated with anti-rust oil. The shaft extension part and coupling part should be packed with plastic after oiling to prevent rust and damage. The anti-corrosion method should ensure that the reducer is free from rust within one year. Drawings and technical documents supplied randomly:
General drawing of reducer:
Lubrication system diagram:
Installation and operating instructions;
Packing list;
Certificate of conformity.
Storage of reducer
The reducer should be stored in a rainproof warehouse. The storage unit should check the anti-rust oil regularly and replace or replenish it as needed.6.2. 2.42
6.2.2.5 The unidirectional amplitude of the reducer shall meet the requirements of Article 5.1.7, and the cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.3 Acceptance
For reducers produced in batches, regular or irregular sampling inspections shall be carried out. For reducers of the same type and size, 10% sampling inspections are allowed. If they are still unqualified, all of them shall be inspected. If there are less than ten units, one unit shall be sampled. Reducers that meet the following requirements can be factory inspected. 6.3.1 Comply with the type and technical requirements of this standard. The three test data of noise, temperature rise and efficiency are qualified. 6.3.2
The cleanliness and sealing performance of the reducer are qualified. 6.3.3
The contact spots on the tooth surface are qualified.
The appearance is smooth and close.
The random documents are complete.
Marking, packaging, transportation, storage
Each reducer shall be fixed with a product label in a prominent position, and its type and size shall comply with the provisions of GB/T13306. The label content includes a.
Manufacturer name and trademark;
Name and model:
Total transmission ratio:
Rated output torque;
Maximum input speed:
Weight,
Factory number:
Factory address:
Year and month of production.
7.2 Reducer packaging
7.2.1 Reducers shall be packaged and shipped according to the delivery details list and packing list. JB/T7681—95
7.2.2 During packaging, all machined surfaces and non-oiled surfaces of each part should be coated with anti-rust oil. The shaft extension part and the coupling part should be packed with plastic after oiling to prevent rust and damage. The anti-corrosion method should ensure that the reducer is free from rust within one year. Drawings and technical documents supplied randomly:
General drawing of reducer:
Lubrication system diagram:
Installation and operating instructions;
Packing list;
Certificate of conformity.
Storage of reducer
The reducer should be stored in a rainproof warehouse. The storage unit should check the anti-rust oil regularly and replace or replenish it as needed.6.2. 2.42
6.2.2.5 The unidirectional amplitude of the reducer shall meet the requirements of Article 5.1.7, and the cleanliness of the reducer shall meet the requirements of Article 5.3.6. 6.3 Acceptance
For reducers produced in batches, regular or irregular sampling inspections shall be carried out. For reducers of the same type and size, 10% sampling inspections are allowed. If they are still unqualified, all of them shall be inspected. If there are less than ten units, one unit shall be sampled. Reducers that meet the following requirements can be factory inspected. 6.3.1 Conform to the type and technical requirements of this standard. The three test data of noise, temperature rise and efficiency are qualified. 6.3.2
The cleanliness and sealing performance of the reducer are qualified. 6.3.3
The contact spots on the tooth surface are qualified.
The appearance is smooth and close.
The random documents are complete.
Marking, packaging, transportation, storage
Each reducer shall be fixed with a product label in a prominent position, and its type and size shall comply with the provisions of GB/T13306. The label content includes a.
Manufacturer name and trademark;
Name and model:
Total transmission ratio:
Rated output torque;
Maximum input speed:
Weight,
Factory number:
Factory address:
Year and month of production.
7.2 Reducer packaging
7.2.1 Reducers shall be packaged and shipped according to the delivery details list and packing list. JB/T7681—95
7.2.2 During packaging, all machined surfaces and non-oiled surfaces of each part should be coated with anti-rust oil. The shaft extension part and the coupling part should be packed with plastic after oiling to prevent rust and damage. The anti-corrosion method should ensure that the reducer is free from rust within one year. Drawings and technical documents supplied randomly:
General drawing of reducer:
Lubrication system diagram:
Installation and operating instructions;
Packing list;
Certificate of conformity.
Storage of reducer
The reducer should be stored in a rainproof warehouse. The storage unit should check the anti-rust oil regularly and replace or replenish it as needed.
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