CN105081712A - Gear tempering processing method - Google Patents
Gear tempering processing method Download PDFInfo
- Publication number
- CN105081712A CN105081712A CN201410186783.7A CN201410186783A CN105081712A CN 105081712 A CN105081712 A CN 105081712A CN 201410186783 A CN201410186783 A CN 201410186783A CN 105081712 A CN105081712 A CN 105081712A
- Authority
- CN
- China
- Prior art keywords
- gear
- processing method
- tooth base
- tooth
- tempering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The invention provides a gear tempering processing method comprising the following steps: rough machining a tooth blank so as to form a rough tooth portion having processing allowance; doing heat treatment tempering for the tooth blank after rough machining, thus forming a quenching hardening layer; doing fine processing for the tooth blank after heat treatment tempering, thus forming a tooth portion; doing gear hobbing for the gear after fine processing, thus forming a gear finished product. The gear tempering processing method forms the uniform quenching hardening layer on the tooth portion of the gear, thus improving gear bearing ability, and prolonging gear life.
Description
Technical field
The present invention relates to the modified processing method of a kind of gear.
Background technology
The modified processing method of traditional gear, be first heat-treat modified to tooth base, then fine finishining tooth base, finally carries out gear hobbing again.But due to when heat-treating modified, the degree of depth of quenching is limited, the tooth root portion processing the gear tooth obtained does not form laser quenching hardened layer, and hardness is not up to standard, affects bearing capacity and the service life of gear.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of gear modified processing method, improves the bearing capacity of gear, extends the service life of gear.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The modified processing method of a kind of gear, comprises the following steps:
A. roughing is carried out to tooth base, form the bastard portion leaving allowance;
B. heat-treat modified to the tooth base after roughing, form laser quenching hardened layer;
C. fine finishining is carried out to the tooth base after heat treatment quenching and tempering, form teeth portion;
D. gear hobbing is carried out to the gear that fine finishining obtains, obtain gear finished product.
Further, the material of described tooth base adopts 42CrMo steel.
The modified processing method of a kind of gear of the present invention, makes the teeth portion of gear form uniform laser quenching hardened layer, improves the bearing capacity of gear, extend the service life of gear.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the gear adopting traditional diamond-making technique to obtain;
Fig. 2 is the structural representation of the gear adopting the modified processing method of gear of the present invention to obtain.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The modified processing method of a kind of gear, comprises the following steps:
A. roughing is carried out to tooth base, form the bastard portion leaving allowance;
B. heat-treat modified to the tooth base after roughing, form laser quenching hardened layer;
C. fine finishining is carried out to the tooth base after heat treatment quenching and tempering, form teeth portion;
D. gear hobbing is carried out to the gear that fine finishining obtains, obtain gear finished product.
This processing method, tooth base heat-treat modified before, first precast the teeth portion leaving allowance, like this when heat-treating modified, the tooth root portion in bastard portion can be made to form laser quenching hardened layer, when carrying out accurately machined again, this laser quenching hardened layer is retained, and the teeth portion bulk strength of gear is improved.
The material of tooth base adopts 42CrMo steel, and the depth of quenching of this material is high, can increase the thickness of laser quenching hardened layer.
In comparison diagram 1 and Fig. 2, figure, dash area is laser quenching hardened layer, can find out that the tooth root portion of the gear using the method for the invention to obtain is equally within the scope of laser quenching hardened layer.
The modified processing method of a kind of gear of the present invention, makes the teeth portion of gear form uniform laser quenching hardened layer, improves the bearing capacity of gear, extend the service life of gear.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. the modified processing method of gear, is characterized in that comprising the following steps:
A. roughing is carried out to tooth base, form the bastard portion leaving allowance;
B. heat-treat modified to the tooth base after roughing, form laser quenching hardened layer;
C. fine finishining is carried out to the tooth base after heat treatment quenching and tempering, form teeth portion;
D. gear hobbing is carried out to the gear that fine finishining obtains, obtain gear finished product.
2. the modified processing method of a kind of gear according to claim 1, is characterized in that: the material of described tooth base adopts 42CrMo steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186783.7A CN105081712A (en) | 2014-05-05 | 2014-05-05 | Gear tempering processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186783.7A CN105081712A (en) | 2014-05-05 | 2014-05-05 | Gear tempering processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105081712A true CN105081712A (en) | 2015-11-25 |
Family
ID=54563519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410186783.7A Pending CN105081712A (en) | 2014-05-05 | 2014-05-05 | Gear tempering processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105081712A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3119732B2 (en) * | 1992-09-17 | 2000-12-25 | 新日本製鐵株式会社 | Manufacturing method of high contact fatigue strength gear |
| CN102501035A (en) * | 2011-10-12 | 2012-06-20 | 南京金鑫传动设备有限公司 | Quenching and tempering method in tooth punching process of gear with medium-hard tooth surface |
| CN102658461A (en) * | 2012-05-22 | 2012-09-12 | 綦江重配齿轮有限公司 | Axle gear ring tray machining process |
| CN103273285A (en) * | 2013-05-29 | 2013-09-04 | 宁波东湖液压传动有限公司 | Method for machining inner gear ring |
| CN103590049A (en) * | 2013-11-29 | 2014-02-19 | 重庆清平机械厂 | Processing method for spline of wind power output gear shaft |
| CN103639674A (en) * | 2013-12-04 | 2014-03-19 | 鞠小平 | Method for machining inner gear ring for speed reducer |
-
2014
- 2014-05-05 CN CN201410186783.7A patent/CN105081712A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3119732B2 (en) * | 1992-09-17 | 2000-12-25 | 新日本製鐵株式会社 | Manufacturing method of high contact fatigue strength gear |
| CN102501035A (en) * | 2011-10-12 | 2012-06-20 | 南京金鑫传动设备有限公司 | Quenching and tempering method in tooth punching process of gear with medium-hard tooth surface |
| CN102658461A (en) * | 2012-05-22 | 2012-09-12 | 綦江重配齿轮有限公司 | Axle gear ring tray machining process |
| CN103273285A (en) * | 2013-05-29 | 2013-09-04 | 宁波东湖液压传动有限公司 | Method for machining inner gear ring |
| CN103590049A (en) * | 2013-11-29 | 2014-02-19 | 重庆清平机械厂 | Processing method for spline of wind power output gear shaft |
| CN103639674A (en) * | 2013-12-04 | 2014-03-19 | 鞠小平 | Method for machining inner gear ring for speed reducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104959794A (en) | Method for machining large inner gear ring of wind turbine gear box | |
| CN102501035A (en) | Quenching and tempering method in tooth punching process of gear with medium-hard tooth surface | |
| US11052451B2 (en) | Gear manufacturing method and gear manufactured thereby | |
| WO2013136983A1 (en) | Mechanical structural component, sintered gear, and methods for producing same | |
| CN103831599A (en) | Machining method for hardened face gear | |
| CN103495845B (en) | Back gear processing technology | |
| CN103590049B (en) | Spline of wind power output gear shaft working method | |
| CN105108503A (en) | Multi-structure different-interval bionic surface combined cast-iron guide rail and regeneration method thereof | |
| CN105127682B (en) | A kind of processing method of internal tooth washer | |
| CN104532180A (en) | Integrated carburizing process of gear ring and ferrule of turntable bearing | |
| JP5969273B2 (en) | Manufacturing method of sintered gear | |
| CN102518678A (en) | Processing method for ball bearing with ultra-thin wall and uniform section | |
| CN106736321A (en) | A kind of 20Cr cam cuttings technique | |
| CN103170811B (en) | Manufacture method of crankshaft timing gear | |
| CN105081712A (en) | Gear tempering processing method | |
| CN103894799A (en) | Shaft workpiece machining technique | |
| US20180214930A1 (en) | Method for producing a ring with a toothing | |
| EP2363228A3 (en) | Tool and method for manufacturing a shaft | |
| CN105179633A (en) | Pump hub gear sleeve and machining process thereof | |
| JP2016151352A (en) | Rolling bearing | |
| JP2007181844A (en) | Metal plate dowel forming method | |
| CN106755773A (en) | The softening method of carburized zone after a kind of CSS 42L pinion steel carburizings | |
| DE102006009276B8 (en) | Method for producing rotationally symmetrical surfaces on a workpiece and workpiece with a rotationally symmetrical surface | |
| Deng et al. | Effects of surface roughness and abnormal surface layer on fatigue strength | |
| CN107511646A (en) | A kind of processing method of gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |
|
| RJ01 | Rejection of invention patent application after publication |