Some standard content:
JB/T 10172--2000
Appendix A of this standard is a reminder of the annex
This standard is proposed and managed by the National Technical Committee for Standardization of Mining Machinery. The responsible drafting unit of this standard is CITIC Heavy Machinery Company. The main drafters of this standard are Feng Chaoyang, Sun Yanling, Wang Zhi, Wang Hong and Guo Ming. 343
Machinery Industry Standard of the People's Republic of China
D type reducers for cement mill
D type reducers for cement millJB/T 10172
This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of D type reducers for cement mill.
2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest version of the following standards. GB/T 1356--1988
Basic teeth of involute cylindrical gears
GB/T 59031995
GB/T 9439--1986
Industrial enclosed gear oils
Grey cast iron
GB/T 10095--1988
GB/T 11345. 1989
GB/T 13306---1991
JB/T 5000. 3 1998
JB/T 5000. 8--1998
3 Type dimensions and basic parameters
Precision of involute cylindrical gears
Steel welds1 Ultrasonic flaw detection method and flaw detection result classification plate
General technical conditions for heavy machinery
General technical conditions for heavy machinery
3.1 Reducer type and overall dimensions
Welded parts
The reducer is a symmetrical split-flow floating load-sharing transmission type. Its overall dimensions are shown in Figure 1 and Table 1. Figure 1
Approved by the State Bureau of Machinery Industry on March 30, 20003.11
Implemented on October 1, 2000
Center distance
D160: 1 330
0180: 1390
3.2 Model
Center height
6652 000
3.2.1 Model representation method:
3.2.2 Example
JB/T10172--2000
Contour ruler
Nominal transmission ratio
Center distance (10 mm)
Symmetrical split flow floating load-balancing reducer
6×M42
6×M76
Footprint size
Low speed shaft
Gear center distance u=1100mm Nominal transmission ratio i=35.5 type reducer is marked as: ID) 110-35.5 reducer
3.3 Basic parameters
The basic parameters of the reducer should comply with the provisions of Table 2. Table 2
Technical requirements
Center distance
Basic technical requirements
! Rated input power
Nominal transmission ratio
Maximum input speed
38 030
57 520
187 880
Basic groove profile
Conforms to G13/)1356
JB/T 10172-- 2000
4.1.1 The reducer shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.1.2 The raw materials and standard parts used shall comply with the provisions of relevant national standards and industry standards. The purchased accessories must have the manufacturer's certificate of conformity.
4.1.3 The driving mill shall be able to operate continuously within the rated load range, and the starting load shall be less than 2.5 times the rated load. 4.1.4 The shaft speed of the reducer shall not exceed the value specified in Table 2. The working environment temperature-- 40 (+ 45 (. When the ambient temperature is lower than 15 (, a heating device shall be added; when it is higher than 35C, a cooling device shall be added. 4.1.5 The efficiency of the reducer at full load shall not be less than 96%. 4.1.6 The design life of the reducer shall not be less than 15 years. 4.1.7 The temperature rise of the lubricating oil in the reducer body shall not be higher than 35 (, and the overflow of the bearing shall not be higher than 45 (. 4.1.8
The noise of the reducer under no-load test shall not exceed 88dB (A). The unidirectional amplitude of the bottom of the reducer body shall not exceed 0.015mm. 4. 1.9
The reducer is not allowed to leak oil.
The surface roughness of the sealing part and the positioning joint surface is Ru3.2m. 4.2 Technical requirements for manufacturing main parts
4.2.1 The welded parts of the machine body and the machine cover shall be manufactured in accordance with the provisions of JB/T5000.3. 4.2.2
Primer.
Each weld shall be tested for leakage and no oil leakage shall be allowed. Stress shall be eliminated after welding and shot blasting shall be performed. Immediately after shot blasting, each weld shall be coated with NDT inspection is required. According to GB/T11345, level 1 inspection is required. There shall be no defects that affect the strength. The parallelism error of the two center lines of the bearing seat shall not exceed 0.03/1000mm. 4.2.5 The surface roughness of the L plane of the machine body shall not exceed 0.05/1000mm, and the surface roughness shall be Ra3.2um. 4.2.6 The edges of the joint surface of the machine body, machine cover and bearing seat shall be flush, and the allowable error is: size 1000mm, error ≤2mm;
size 1 000～~2000 mm, error ≤ 3mm; size = 2000mm, error ≤ 4mm,
4.2.7 The material properties of the bearing seat, bearing cover and wheel hub shall comply with the provisions of HT200 in GB/T9439. 4.2.8 The bearing seat, bearing cover and wheel hub shall not have defects that affect the strength. The rough parts shall be annealed to eliminate stress and shall be aged after rough machining. The rough parts shall be primed immediately after careful trimming. 4.2.9 Gears and shaft gears shall be forged. The materials, heat treatment The processing and mechanical properties shall comply with the provisions of Table 3, or materials with mechanical properties not lower than those shall be used.
4.2.10 The end face runout tolerance of each gear shall comply with the 6th grade precision provisions of GB/T10095. 4.2.11 The end face runout tolerance of the shaft shoulder of the shaft and transmission shaft and the bearing shall comply with the 6th grade precision provisions of GB/T10095. 4.2.12
The circular runout and total runout tolerance of the shaft journal of the shaft and transmission shaft shall comply with the 6th grade precision provisions of GB/T10095. The output shaft is made of 40CrMnMo or materials with mechanical properties not lower than it, and the mechanical properties meet the requirements of Table 3. The gear shaft and gear in the shaft seat are made of 40Cr or materials with mechanical properties not lower than it, and the mechanical properties meet the requirements of Table 3. Table 3
Heat treatment
Section size
100~300
300~500
500800
Mechanical properties
≥540
Reference hardness
Annealing hardness
229~269
197- 233Www.bzxZ.net
12(rMo
40crMnMo
40CrNi2MoA
Heat treatment
Section size
-100-- 300
300 - 500
2~500- 700
2 100~~ 300
-300-- 500
500 -- 800
7>160～250
250--500
JB/T10172—2000
Continued Table 3
：745
：690
Note: A0CrNi2MoA in the table is self-smelting high-grade high-quality medium carbon steel, 4. 2. 15
Annealing degree
The shaft in the shaft seat is made of 45 steel or materials with mechanical properties not lower than it, and the mechanical properties meet the requirements of Table 4. Table 4
Heat treatment
Cut size
Gears and shafts should be inspected by flaw detection, and the mechanical properties should be carried out according to JB/T5000.8.
Annealing hardness
Reference hardness
262~:302
229~269
229~-269
197233
262302
252502
224-269
229~269
252302
220~269
Reference hardness
197~-235
4.2.17 Gears with cast hubs should be subjected to static balance tests. The static balance torque of high-speed gears is not greater than 25×10G (N·m). The static balance torque of low-speed gears is not greater than 45×10\G (N·m), where G is the mass of the gear (kg). 4.2.18 The gear accuracy shall not be lower than the requirements of 7-7-6JM in GB/T10095. Each gear inspection item shall comply with the requirements in Table 5. Table 5
Inspection group
Inspection item
First tolerance group
Or F
Second tolerance group
Or lower tolerance
4.2.19 Tooth thickness limit deviation E%E shall comply with the requirements of GB3/T10095. Tolerance group
4.2.20 Normal line average length deviation Ewms, Ewm shall comply with the requirements of GB/T10095. 4.3 Assembly technology requirements
4.3.1 Before assembly, all parts shall be carefully cleaned and the unprocessed surfaces of all parts in the machine body shall be painted. 4.3.2
During assembly The machine body should be leveled according to the upper plane, and the parallelism error with the horizontal plane should not exceed 0.05/1000) mm4.3.3 The assembled product should run flexibly without jamming4.3.4 The minimum side clearance of gear transmission should meet the requirements of Table 6. Contact spot and center of gear pair
Minimum side clearance..
JB/T10172.2000
4.3.5 The assembled product should run smoothly, and the gear contact spot should meet the requirements of Table 7 and Table?
Gear accuracy
Contact spot
According to height
According to length 4.3.6 Cleanliness of reducer: The weight of the filter material filtered by SsW0.075/0.050 mesh is not more than 1. (mg) is the total center distance of the reducer (mm) 4.4 Lubrication of reducer The reducer adopts Sichuan gear continent [-CKC/220~320 (-- and other products) (GB/T5903), and the lubrication method adopts forced → oil pool lubrication. The lubrication system includes a centralized circulation lubrication system and a reducer self-carrying lubrication system. 5 Test methods and acceptance rules 5.1 The reducer should be tested for operation after qualified assembly. During the test, a quantitative amount of The lubricating oil of the specified brand shall be used. And the lubrication system shall be connected according to the design requirements.
5.2 Delivery test and type test
5.2.1 Delivery test
The reducer shall be operated in the forward and reverse directions for 2 hours at rated speed and no-load, and the test shall meet the following requirements: a) All connectors and fasteners shall not be loose; b) There shall be no oil leakage at the sealing and joint surfaces; d) The operation shall be stable and normal, without rushing and abnormal noise; d) The temperature rise of the lubricating oil in the machine body shall not exceed 35°C, and each lubrication point shall be fully lubricated; e) The contact spots on the tooth surface shall comply with the provisions of Table 6; f) The cleanliness of the reducer shall meet the requirements of 4.3.6. 5.2.2 Type test
New products produced for the first time shall be subjected to type test, which requires operation at rated speed and 30% rated load for 100 hours; 1) At rated speed and 60% rated load, operation for 150 hours; at rated speed and 100% rated load, operation for 75 hours. It can also be carried out through 1 industry test at the use site.
The test should meet the following requirements:
a) There shall be no oil leakage at the sealing and joint surfaces; b) The efficiency of the reducer shall meet the requirements of 4.1.5; c) The temperature rise of the lubricating oil in the reducer body and the bearing temperature rise shall meet the requirements of 4.1.7; d) The reducer runs smoothly and normally, and the noise shall meet the requirements of 4.1.8; e) The unidirectional amplitude of the reducer shall meet the requirements of 4.1.9. 5.3 Acceptance
The reducer shall be subjected to a wide range of tests. The reducer that meets the following requirements can be accepted:) Comply with the type and technical requirements of this standard: 3.18
JB/T.10172 -- 2000
b) The noise, temperature rise and efficiency test data are qualified; C) The cleanliness and sealing performance of the reducer are qualified; d) The contact spots on the tooth surface are qualified;
e) The appearance is smooth and beautiful;
「) All the random documents are complete.
6 Marking, packaging, transportation and storage
6.1 Each reducer should have a product label fixed in a prominent position, and its type and size should comply with the provisions of GB/T13306: The label content includes:
a) Manufacturer's name and trademark;
b) Name and model;
c) Total transmission ratio:
d) Rated input power;
() Maximum input speed;
f) Weight;
|) Factory number: ||tt ||h) Year and month of manufacture
6.2 The reducer shall be packaged and shipped according to the delivery list and packing list. 6.3 During packaging, all painted surfaces and non-painted surfaces of each part shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be packed in plastic before oiling to prevent rust and damage. The anti-corrosion method shall ensure that the reducer is free from rust within 1 year. 6.4 Drawings and technical documents supplied with the machine: a) General drawing of the reducer:
b) Lubrication system diagram;
() Installation and operating instructions;
d) Packing list,
c) Certificate of conformity
6.5 The reducer shall be stored in a rainproof warehouse. The storage unit shall regularly check the anti-rust oil and replace or replenish it as needed. 3-19
JB/T 10172
Appendix A
(Reminder Appendix)
Carrying capacity of reducer
A1Rated input power P of D-type reducer, see Table A1. Table A1
Input speed
r/ntin
Nominal input torque T of D-type reducer, see Table A2Input speed
r/uuin
Rated input power P/kw
Nominal output torque T,/(kN·m)1 Factory test
The reducer shall be operated in the forward and reverse directions at rated speed and no-load for 2 hours each. The test shall meet the following requirements: a) All connectors and fasteners shall not be loose; b) There shall be no oil leakage at the seal and joint surface; d) The temperature rise of the lubricating oil in the machine body shall not exceed 35°C, and each lubrication point shall be fully lubricated; e) The contact spots on the tooth surface shall comply with the provisions of Table 6; f) The cleanliness of the reducer shall meet the requirements of 4.3.6. 5.2.2 Type test
New products produced for the first time shall be subjected to type test, which requires operation at rated speed and 30% rated load for 100 hours; at rated speed and 60% rated load for 150 hours; at rated speed and 100% rated load for 75 hours. It can also be carried out through 1 industry test at the use site.
The test should meet the following requirements:
a) There should be no oil leakage at the sealing and joint surfaces; b) The efficiency of the reducer should meet the requirements of 4.1.5; c) The temperature rise of the lubricating oil in the reducer body and the bearing temperature should meet the requirements of 4.1.7; d) The reducer runs smoothly and normally, and the noise should meet the requirements of 4.1.8; e) The unidirectional amplitude of the reducer should meet the requirements of 4.1.9. 5.3 Acceptance
The reducer should be subjected to a wide test. The reducer that meets the following requirements can be accepted:) Comply with the type and technical requirements of this standard: 3.18
JB/T.10172 -- 2000
b) The noise, temperature rise and efficiency test data are qualified; C) The cleanliness and sealing performance of the reducer are qualified; d) The contact spots on the tooth surface are qualified;
e) The appearance is smooth and beautiful;
「) All the random documents are complete.
6 Marking, packaging, transportation and storage
6.1 Each reducer should have a product label fixed in a prominent position, and its type and size should comply with the provisions of GB/T13306: The label content includes:
a) Manufacturer's name and trademark;
b) Name and model;
c) Total transmission ratio:
d) Rated input power;
() Maximum input speed;
f) Weight;
|) Factory number: ||tt ||h) Year and month of manufacture
6.2 The reducer shall be packaged and shipped according to the delivery list and packing list. 6.3 During packaging, all painted surfaces and non-painted surfaces of each part shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be packed in plastic before oiling to prevent rust and damage. The anti-corrosion method shall ensure that the reducer is free from rust within 1 year. 6.4 Drawings and technical documents supplied with the machine: a) General drawing of the reducer:
b) Lubrication system diagram;
() Installation and operating instructions;
d) Packing list,
c) Certificate of conformity
6.5 The reducer shall be stored in a rainproof warehouse. The storage unit shall regularly check the anti-rust oil and replace or replenish it as needed. 3-19
JB/T 10172
Appendix A
(Reminder Appendix)
Carrying capacity of reducer
A1Rated input power P of D-type reducer, see Table A1. Table A1
Input speed
r/ntin
Nominal input torque T of D-type reducer, see Table A2Input speed
r/uuin
Rated input power P/kw
Nominal output torque T,/(kN·m)1 Factory test
The reducer shall be operated in the forward and reverse directions at rated speed and no-load for 2 hours each. The test shall meet the following requirements: a) All connectors and fasteners shall not be loose; b) There shall be no oil leakage at the seal and joint surface; d) The temperature rise of the lubricating oil in the machine body shall not exceed 35°C, and each lubrication point shall be fully lubricated; e) The contact spots on the tooth surface shall comply with the provisions of Table 6; f) The cleanliness of the reducer shall meet the requirements of 4.3.6. 5.2.2 Type test
New products produced for the first time shall be subjected to type test, which requires operation at rated speed and 30% rated load for 100 hours; at rated speed and 60% rated load for 150 hours; at rated speed and 100% rated load for 75 hours. It can also be carried out through 1 industry test at the use site.
The test should meet the following requirements:
a) There should be no oil leakage at the sealing and joint surfaces; b) The efficiency of the reducer should meet the requirements of 4.1.5; c) The temperature rise of the lubricating oil in the reducer body and the bearing temperature should meet the requirements of 4.1.7; d) The reducer runs smoothly and normally, and the noise should meet the requirements of 4.1.8; e) The unidirectional amplitude of the reducer should meet the requirements of 4.1.9. 5.3 Acceptance
The reducer should be subjected to a wide test. The reducer that meets the following requirements can be accepted:) Comply with the type and technical requirements of this standard: 3.18
JB/T.10172 -- 2000
b) The noise, temperature rise and efficiency test data are qualified; C) The cleanliness and sealing performance of the reducer are qualified; d) The contact spots on the tooth surface are qualified;
e) The appearance is smooth and beautiful;
「) All the random documents are complete.
6 Marking, packaging, transportation and storage
6.1 Each reducer should have a product label fixed in a prominent position, and its type and size should comply with the provisions of GB/T13306: The label content includes:
a) Manufacturer's name and trademark;
b) Name and model;
c) Total transmission ratio:
d) Rated input power;
() Maximum input speed;
f) Weight;
|) Factory number: ||tt ||h) Year and month of manufacture
6.2 The reducer shall be packaged and shipped according to the delivery list and packing list. 6.3 During packaging, all painted surfaces and non-painted surfaces of each part shall be coated with anti-rust oil. The shaft extension part and the coupling part shall be packed in plastic before oiling to prevent rust and damage. The anti-corrosion method shall ensure that the reducer is free from rust within 1 year. 6.4 Drawings and technical documents supplied with the machine: a) General drawing of the reducer:
b) Lubrication system diagram;
() Installation and operating instructions;
d) Packing list,
c) Certificate of conformity
6.5 The reducer shall be stored in a rainproof warehouse. The storage unit shall regularly check the anti-rust oil and replace or replenish it as needed. 3-19
JB/T 10172
Appendix A
(Reminder Appendix)
Carrying capacity of reducer
A1Rated input power P of D-type reducer, see Table A1. Table A1
Input speed
r/ntin
Nominal input torque T of D-type reducer, see Table A2Input speed
r/uuin
Rated input power P/kw
Nominal output torque T,/(kN·m)
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