CN109570639A - A method of for improving Gear Contact Surface qualification rate - Google Patents
A method of for improving Gear Contact Surface qualification rate Download PDFInfo
- Publication number
- CN109570639A CN109570639A CN201811522204.6A CN201811522204A CN109570639A CN 109570639 A CN109570639 A CN 109570639A CN 201811522204 A CN201811522204 A CN 201811522204A CN 109570639 A CN109570639 A CN 109570639A
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- China
- Prior art keywords
- gear
- flank
- contact surface
- carries out
- quality
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/002—Modifying the theoretical tooth flank form, e.g. crowning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a kind of methods for improving Gear Contact Surface qualification rate, comprising: the gear that S1. chooses gear meshing quality qualification carries out flank profile measurement, and measurement result is standard value；S2. it chooses the underproof gear of meshing quality and carries out flank profile measurement, error amount is obtained compared with standard value, grinding machine bed parameter adjustment value is calculated；S3. gear grinding machines are adjusted according to parameter adjustment value；S4. it chooses the underproof gear of meshing quality and carries out roll flute gear modification technique；S5. the gear after correction of the flank shape carries out flank profile measurement, is compared with standard value, if in error range, judging that gear meshing quality is qualified, entering step S6；Otherwise, unqualified, return step S2；S6. remaining to carry out step S4 gear modification technique to profile modifying gear batch.The present invention can effectively control Gear Contact Surface and be in acceptability limit, this method be used during Gearmaking Technology, it is high that production obtains gear teeth face quality pass rate, and does not influence production efficiency.
Description
Technical field
The present invention relates to gear manufacture fields, more particularly, to a kind of for improving the side of Gear Contact Surface qualification rate
Method.
Background technique
-- rough turn -- smart car -- gear hobbing or shaving -- carburizing, quenching -- tempering that the manufacture of existing gear is generally by forging
Etc. processes, gear in process, through Overheating Treatment quench tempering after can deformation occurs, cause contact surface unqualified, give up loss rate
It is high.
In this case, there are two types of existing usual ways, one is to dispose directly as rejected product；It is for second
After heat treatment, grinding Repair is carried out.
Second of processing method, how much the grinding measures when to gear rework, and how this is ground, complete dependent on operator's
Empirical value；However for the gear after different batches heat treatment, adjustment amount can accordingly change, and even have abundant warp
The operator tested is also difficult to be reprocessed qualification in short-term.So cause to reprocess rear contact surface qualification rate not high, and reprocesses effect
Rate is low.
In the prior art, the method that contact surface is in acceptability limit can effectively be controlled by not finding one kind temporarily.
Summary of the invention
In process for gear existing in the prior art, deformation occurs for meeting after Overheating Treatment quenches tempering, leads
The disadvantages of cause contact surface is unqualified, and loss rate of giving up is high, the purpose of the present invention is to provide one kind can effectively control Gear Contact Surface
Method in acceptability limit, uses this method during Gearmaking Technology, and production obtains gear teeth face quality pass rate
Height, and do not influence production efficiency.
Goal of the invention of the invention is achieved by the following technical programs:
It is a kind of for improving the process of the gear accuracy of mesh, specifically includes the following steps:
S1. it calibrates: after gear carries out heat-treatment processing process or before heat-treatment processing process, using the side of artificial rolling inspection
Formula judges whether the meshing quality of gear is qualified；The gear for choosing several gear meshing quality qualifications carries out flank profile survey
Amount, using measurement result as standard value, residual tooth wheel is as row gear to be repaired；
S2. parameter adjusts: carrying out flank of tooth wheel to choose the underproof gear of meshing quality in profile modifying gear from step S1
Exterior feature measurement, and be compared with the step S1 standard value calibrated and obtain error amount, gear grinding machines are calculated according to error amount
Bed parameter adjustment value；
S3. gear grinding machines adjust: the grinding machine bed parameter adjustment value obtained according to step S2 is adjusted gear grinding machines；
S4. gear modification: roll flute gear is carried out to the underproof gear of meshing quality in profile modifying gear in selecting step S1
Correction of the flank shape technique；
S5. correction of the flank shape compliance test result after adjusting: flank profile measurement is carried out to the gear after step S4 gear modification, with step
The standard value that S1 is calibrated is compared, if in error range, judging that gear meshing quality is qualified, entering step S6；
Otherwise, unqualified, return step S2 re-starts parameter adjustment；
S6. batch grinding modification: described step S4 tooth is carried out to profile modifying gear batch to remaining in step S1 calibration process
Take turns correction of the flank shape technique.
Preferably, artificial rolling procuratorial organ formula of the present invention specifically: color is coated to the flank of tooth of gear, and is engaged
Afterwards, by the color depth and position, judge whether meshing quality is up to standard.
Preferably, flank profile measurement is carried out to gear using the gloomy measuring center of U.S.'s Gree.Further preferably to quilt
It measures gear and carries out 45 points of flank of tooth measurements.
Preferably, gear of the present invention is the same batch gear before thermally treated technique or after thermally treated technique.
Compared with prior art, beneficial effects of the present invention:
(1) during Gear Processing, the method using the present invention for improving Gear Contact Surface qualification rate is not influencing
The method that Gear Contact Surface is in acceptability limit can be effectively controlled while existing Gear Production technique, production obtains gear teeth
Face quality pass rate is high, and substantially increases production efficiency.
(2) in existing production, the empirical value of operator is excessively depended on when to gear modification；However for different batches
Gear before heat treatment or after heat treatment, adjustment amount can accordingly change, even with the operator of rich experiences
Also it is difficult to be reprocessed qualification in short-term, while it is also not high to reprocess rear contact surface qualification rate, and reprocesses low efficiency.Use the present invention
Artificial opposite grinding tooth lathe is adjusted after method need to only obtain parameter adjustment value, subsequent to be run by mechanical automation, after reprocessing
Flank of tooth quality pass rate is high, reprocesses high-efficient.
Specific embodiment
To facilitate the understanding of the present invention, present invention work more comprehensively, is meticulously described below in conjunction with preferred embodiment,
But the protection scope of the present invention is not limited to the following specific embodiments.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, it is no intended to limit of the invention
Protection scope.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1
The present embodiment provides a kind of methods for improving Gear Contact Surface qualification rate, comprising the following steps:
S1. it calibrates: after gear carries out heat-treatment processing process or before heat-treatment processing process, using the side of artificial rolling inspection
Formula judges whether the meshing quality of gear is qualified；The gear for choosing several gear meshing quality qualifications carries out flank profile survey
Amount, using measurement result as standard value, residual tooth wheel is as row gear to be repaired；
Wherein, artificial rolling procuratorial organ's formula specifically: color is coated to the flank of tooth of gear, and after being engaged, it is deep to pass through color
Shallow and position, judges whether meshing quality is up to standard；
S2. parameter adjusts: carrying out flank of tooth wheel to choose the underproof gear of meshing quality in profile modifying gear from step S1
Exterior feature measurement, and be compared with the step S1 standard value calibrated and obtain error amount, gear grinding machines are calculated according to error amount
Bed parameter adjustment value；
S3. gear grinding machines adjust: the grinding machine bed parameter adjustment value obtained according to step S2 is adjusted gear grinding machines；
S4. gear modification: roll flute gear is carried out to the underproof gear of meshing quality in profile modifying gear in selecting step S1
Correction of the flank shape technique；
S5. correction of the flank shape compliance test result after adjusting: flank profile measurement is carried out to the gear after step S4 gear modification, with step
The standard value that S1 is calibrated is compared, if in error range, judging that gear meshing quality is qualified, entering step S6；
Otherwise, unqualified, return step S2 re-starts parameter adjustment；
S6. batch grinding modification: described step S4 tooth is carried out to profile modifying gear batch to remaining in step S1 calibration process
Take turns correction of the flank shape technique.
The present embodiment carries out flank profile measurement to gear using the gloomy measuring center of U.S.'s Gree, to measured gear into
45 points of row flank of tooth measurements.
The method that the present embodiment improves Gear Contact Surface qualification rate be suitable for it is thermally treated before or after heat treatment same
Batch gear.
After the present embodiment gear measuring center completes 45 points of flank of tooth measurements, the deviation of the flank of tooth of actual processing and the theoretical flank of tooth
It is indicated with △ ai (i=1~45), lathe adjusting parameter (includes cutter tilt b, swivel angle c, horizontal wheels position H, bed s, lathe peace
Angle f is filled, rolling can be indicated than r, vertical wheel E, relationship of the radial knife between X) and surface deviation △ ai with following equations group:
In formula, △ a1 to △ a45 is the amount of deflection of the theoretical flank of tooth He the practical flank of tooth, shows themselves in that step in the present embodiment
The standard value that rapid S1 selects the gear progress flank profile measurement of gear meshing quality qualification to obtain is theoretical tooth surface parameters numerical value,
It is practical tooth that the underproof gear of meshing quality, which carries out the numerical value that flank profile measurement obtains, during step S2 selecting step S1
Face parameter values, after being detected by the gloomy measuring center of U.S.'s Gree, this value is known.△b,△c,△h,△s,△
F, △ r, △ E, △ X are lathe adjusting parameter, matrix (m11To m845) be the theoretical flank of tooth sensitive matrix, it is described theory the flank of tooth exist
The flank of tooth that the gear of step S1 selection gear meshing quality qualification is showed themselves in that in the present embodiment, passes through the measurement that U.S.'s Gree is gloomy
After center is detected, numerical value is known.The variable of above-mentioned equation group is lathe adjusting parameter, shares 8, equation group
It is to share 45 equations, by using least square method, allows 45 quadratic sum minimums of tooth surface error △ a, obtain optimal machine
Bed adjusting parameter, is then adjusted gear grinding machines according to the optimal grinding machine bed parameter adjustment value that step is calculated.
Obviously, above-described embodiment is only intended to clearly illustrate technical solution of the present invention example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.It is done within the spirit and principles of the present invention it is any modification, etc.
With replacement and improvement etc., should be included within the protection of the claims in the present invention.
Claims (5)
1. a kind of method for improving Gear Contact Surface qualification rate, which is characterized in that specifically includes the following steps:
S1. it calibrates: after gear carries out heat-treatment processing process or before heat-treatment processing process, being sentenced by the way of artificial rolling inspection
Whether the meshing quality of broken teeth wheel is qualified；The gear for choosing several gear meshing quality qualifications carries out flank profile measurement,
Using measurement result as standard value, residual tooth wheel is as row gear to be repaired；
S2. parameter adjusts: carrying out flank profile survey to choose the underproof gear of meshing quality in profile modifying gear from step S1
Amount, and be compared with the step S1 standard value calibrated and obtain error amount, grinding machine bed ginseng is calculated according to error amount
Number adjusted value；
S3. gear grinding machines adjust: the grinding machine bed parameter adjustment value obtained according to step S2 is adjusted gear grinding machines；
S4. gear modification: roll flute gear modification is carried out to the underproof gear of meshing quality in profile modifying gear in selecting step S1
Technique；
S5. correction of the flank shape compliance test result after adjusting: carrying out flank profile measurement to the gear after step S4 gear modification, fixed with step S1
It marks obtained standard value to be compared, if in error range, judging that gear meshing quality is qualified, entering step S6；Otherwise,
Unqualified, return step S2 re-starts parameter adjustment；
S6. batch grinding modification: described step S4 gear is carried out to profile modifying gear batch repair to remaining in step S1 calibration process
Shape technique.
2. the method for improving Gear Contact Surface qualification rate according to claim 1, which is characterized in that the artificial rolling inspection
Mode specifically: color is coated to the flank of tooth of gear, and after being engaged, by the color depth and position, judges to engage
Whether quality is up to standard.
3. the method for improving Gear Contact Surface qualification rate according to claim 1, which is characterized in that use U.S.'s Gree
Gloomy measuring center carries out flank profile measurement to gear.
4. the method for improving Gear Contact Surface qualification rate according to claim 3, which is characterized in that measured gear
Carry out 45 points of flank of tooth measurements.
5. the method for improving Gear Contact Surface qualification rate according to claim 3, which is characterized in that tooth of the present invention
Wheel is the same batch gear before thermally treated technique or after thermally treated technique.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811522204.6A CN109570639B (en) | 2018-12-13 | 2018-12-13 | Method for improving gear contact surface qualification rate |
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| CN201811522204.6A CN109570639B (en) | 2018-12-13 | 2018-12-13 | Method for improving gear contact surface qualification rate |
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| CN109570639A true CN109570639A (en) | 2019-04-05 |
| CN109570639B CN109570639B (en) | 2021-02-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736525A (en) * | 2020-06-30 | 2020-10-02 | 中国航发动力股份有限公司 | Method for eliminating abnormal wear of spiral bevel gear |
| CN111975130A (en) * | 2020-07-20 | 2020-11-24 | 湖南中大创远数控装备有限公司 | Method for grinding spiral bevel gear by full tooth surface |
| CN113458508A (en) * | 2021-07-02 | 2021-10-01 | 四川建安工业有限责任公司 | Hypoid gear tooth form control method |
| CN114083059A (en) * | 2021-09-03 | 2022-02-25 | 中国航发哈尔滨东安发动机有限公司 | High-precision gear machining method |
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| JPH01135415A (en) * | 1987-10-14 | 1989-05-29 | Hurth Verwalt Gmbh | Method of grinding gear tooth surface through dividing rolling method and machine proper to said method |
| CN101518840A (en) * | 2009-04-03 | 2009-09-02 | 宜昌长机科技有限责任公司 | Numerical control gear shaping error compensation and gear profile modification method |
| CN102728646A (en) * | 2012-05-23 | 2012-10-17 | 重庆理工大学 | Control method for tooth shape size precision of cold forming straight bevel gear |
| CN107992698A (en) * | 2017-12-13 | 2018-05-04 | 长安大学 | A kind of spiral bevel gear Tooth Contact Analysis method |
| CN108181318A (en) * | 2017-12-28 | 2018-06-19 | 安徽星瑞齿轮传动有限公司 | A kind of teeth directional unsymmetric shape modification measures processing and the application process of gear |
| CN108488353A (en) * | 2018-03-06 | 2018-09-04 | 上汽通用汽车有限公司 | Correction method for straight bevel gear |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01135415A (en) * | 1987-10-14 | 1989-05-29 | Hurth Verwalt Gmbh | Method of grinding gear tooth surface through dividing rolling method and machine proper to said method |
| CN101518840A (en) * | 2009-04-03 | 2009-09-02 | 宜昌长机科技有限责任公司 | Numerical control gear shaping error compensation and gear profile modification method |
| CN102728646A (en) * | 2012-05-23 | 2012-10-17 | 重庆理工大学 | Control method for tooth shape size precision of cold forming straight bevel gear |
| CN107992698A (en) * | 2017-12-13 | 2018-05-04 | 长安大学 | A kind of spiral bevel gear Tooth Contact Analysis method |
| CN108181318A (en) * | 2017-12-28 | 2018-06-19 | 安徽星瑞齿轮传动有限公司 | A kind of teeth directional unsymmetric shape modification measures processing and the application process of gear |
| CN108488353A (en) * | 2018-03-06 | 2018-09-04 | 上汽通用汽车有限公司 | Correction method for straight bevel gear |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736525A (en) * | 2020-06-30 | 2020-10-02 | 中国航发动力股份有限公司 | Method for eliminating abnormal wear of spiral bevel gear |
| CN111975130A (en) * | 2020-07-20 | 2020-11-24 | 湖南中大创远数控装备有限公司 | Method for grinding spiral bevel gear by full tooth surface |
| CN113458508A (en) * | 2021-07-02 | 2021-10-01 | 四川建安工业有限责任公司 | Hypoid gear tooth form control method |
| CN114083059A (en) * | 2021-09-03 | 2022-02-25 | 中国航发哈尔滨东安发动机有限公司 | High-precision gear machining method |
| CN114083059B (en) * | 2021-09-03 | 2023-10-13 | 中国航发哈尔滨东安发动机有限公司 | High-precision gear machining method |
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| CN109570639B (en) | 2021-02-19 |
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