CN107253024A - Barreled tooth flank processing technology - Google Patents
Barreled tooth flank processing technology Download PDFInfo
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- CN107253024A CN107253024A CN201710447216.6A CN201710447216A CN107253024A CN 107253024 A CN107253024 A CN 107253024A CN 201710447216 A CN201710447216 A CN 201710447216A CN 107253024 A CN107253024 A CN 107253024A
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- Prior art keywords
- tooth flank
- workpiece
- barreled tooth
- processing technology
- semifinishing
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- 238000005516 engineering process Methods 0.000 title claims abstract description 43
- 238000005496 tempering Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 7
- 238000005121 nitriding Methods 0.000 claims description 23
- 238000005242 forging Methods 0.000 claims description 8
- 239000000463 materials Substances 0.000 claims description 8
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching Effects 0.000 claims description 7
- 210000002381 Plasma Anatomy 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 239000003607 modifiers Substances 0.000 claims description 5
- 241001081830 Degeneriaceae Species 0.000 claims 2
- 210000001519 tissues Anatomy 0.000 abstract description 5
- 230000001808 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006396 nitration reaction Methods 0.000 description 3
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- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of barreled tooth flank processing technology, it is related to track traffic barreled tooth flank technology field.The barreled tooth flank processing technology comprises the following steps：Semifinishing, carries out semifinishing, allowance is 0.4 0.8mm to the workpiece after quenched；Tempering, temper is carried out to the workpiece after semifinishing, and temperature is 480 520 DEG C, and soaking time is 10H.The barreled tooth flank processing technology of the present invention, semifinishing is carried out to the workpiece after quenched, temper is carried out to the workpiece after semifinishing, the residual stress of workpiece can be eliminated before barreled tooth flank is molded, so that the tissue and size of workpiece are more stablized, ensure that the precision of following process, solve the barreled tooth flank processed by existing processing technology precision it is low the problem of, with carry out popularization and application value.
Description
Technical field
The present invention relates to track traffic barreled tooth flank technology field, more particularly to a kind of barreled tooth flank processing work
Skill.
Background technology
In the world, track traffic nearly all employs drum-shaped tooth type shaft coupling.In China, the research starting of this respect compared with
Evening, can produce degree of precision crown gear coupling producer seldom, the crown gear coupling used now rely primarily on into
Mouthful.Barreled tooth flank processing technology used in the country has many technological difficulties for needing to break through in flow.
Existing processing process is generally：Roughing, quenched, finishing, gear hobbing, gas nitriding.By the technique stream
Barreled tooth flank after journey machine-shaping, it may appear that deformation, can also cause precision to reduce.Thus, it is impossible to meet high-speed railway needs
High rotating speed, low noise and long-life requirement, and greatly reduce the qualification rate of finished product.How barreled tooth flank processing is efficiently solved
Technologic problem, becomes the key for the barreled tooth flank for producing degree of precision.
The content of the invention
It is an object of the invention to provide a kind of barreled tooth flank processing technology, to solve existing present in prior art add
The low technical problem of the precision of the barreled tooth flank that work technique is processed.
To achieve these goals, the present invention uses following technical scheme：
A kind of barreled tooth flank processing technology that the present invention is provided, comprises the following steps：
Semifinishing, carries out semifinishing, allowance is 0.4-0.8mm to the workpiece after quenched；
Tempering, temper is carried out to the workpiece after semifinishing, and temperature is 480-520 DEG C, and soaking time is
10H。
Further, temperature is 500 DEG C.
Further, semi-finished allowance is 0.4mm.
Further, in addition to：
Ionic nitriding, carries out ion Plasma Nitriding Treatment, nitridation time is 30H to the workpiece after gear hobbing.
Further, in addition to：
Roughing, carries out roughing, allowance is 4-8mm to rough forging material.
Further, rough machined allowance is 4mm.
Further, in addition to：
It is quenched, modifier treatment is carried out to the workpiece after roughing, quenching and tempering hardness is 32-38HRC.
Further, quenching and tempering hardness is 38HRC.
Further, in addition to：
Finishing, is finished to the workpiece after semifinishing.
Further, in addition to：
Gear hobbing, carries out numerical control gear hobbing to the workpiece after tempering, processes barreled tooth flank.
The barreled tooth flank processing technology that the present invention is provided, carries out semifinishing, after semifinishing to the workpiece after quenched
Workpiece carries out temper, and temperature is 480-520 DEG C, and soaking time is 10H, can eliminate workpiece before barreled tooth flank shaping
Residual stress so that the tissue and size of workpiece more stablize, it is ensured that the precision of following process, solve by existing
The problem of precision for the barreled tooth flank that processing technology is processed is low, is adapted for popularization and application.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of flow chart for barreled tooth flank processing technology that Fig. 1 provides for the present invention；
Workpiece structure signal after the completion of roughing step in a kind of barreled tooth flank processing technology that Fig. 2 provides for the present invention
Figure；
The Workpiece structure after the completion of semifinishing step in a kind of barreled tooth flank processing technology that Fig. 3 provides for the present invention shows
It is intended to；
Workpiece structure signal after the completion of finishing step in a kind of barreled tooth flank processing technology that Fig. 4 provides for the present invention
Figure；
Workpiece structure signal after the completion of gear hobbing step in a kind of barreled tooth flank processing technology that Fig. 5 provides for the present invention
Figure.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
A kind of flow chart for barreled tooth flank processing technology that Fig. 1 provides for the present invention；A kind of cydariform that Fig. 2 provides for the present invention
The Workpiece structure schematic diagram after the completion of roughing step in tooth processing technology；Fig. 3 adds for a kind of barreled tooth flank that the present invention is provided
The Workpiece structure schematic diagram after the completion of semifinishing step in work technique；A kind of barreled tooth flank processing that Fig. 4 provides for the present invention
Workpiece structure schematic diagram after the completion of finishing step in technique；A kind of barreled tooth flank processing technology that Fig. 5 provides for the present invention
In gear hobbing step after the completion of Workpiece structure schematic diagram.
Embodiment one：
In the alternative of the present embodiment, as shown in Figures 1 to 5, a kind of barreled tooth flank processing work that the present embodiment is provided
Skill, comprises the following steps：
Semifinishing, carries out semifinishing, allowance is 0.4-0.8mm to the workpiece after quenched；
Tempering, temper is carried out to the workpiece after semifinishing, and temperature is 480-520 DEG C, and soaking time is
10H。
Existing barreled tooth flank processing technology, quenched directly to be finished afterwards, there is residual in the barreled tooth flank after machine-shaping
Stress, size is unstable, it may appear that the situation of workpiece deformation, and precision can not be protected, it is impossible to meet track traffic with tooth-like
The use requirement of the rack barrel of shaft coupling.
In the present embodiment, temper is carried out to the workpiece after semifinishing, residual stress is discharged in advance so that workpiece
Tissue and size more stablize, it is ensured that the precision of following process, solve the barreled tooth flank that existing processing technology is processed
Precision it is low the problem of.
Also, semifinishing is carried out to the workpiece after quenched using high precision digital control lathe, workpiece accuracy can be obtained more
Control well.
In the alternative of the present embodiment, temperature is preferably 500 DEG C or so.
In the alternative of the present embodiment, semi-finished allowance is preferably 0.4mm.
In the alternative of the present embodiment, in addition to：Ionic nitriding, is carried out at ionic nitriding to the workpiece after gear hobbing
Reason, nitridation time is 30H.
Existing barreled tooth flank processing technology, the workpiece after gear hobbing is used gas nitriding processing, nitrided case depth compared with
Shallow, the case hardness after processing is relatively low, it is impossible to meet the requirement of the high-wearing feature of cydariform tooth surface.
In the present embodiment, ion Plasma Nitriding Treatment is carried out to the workpiece after gear hobbing, nitridation time is 30H, nitride layer depth
It can reach that case hardness can be in more than 60HRC after 0.6-0.8mm, nitridation；Compared to gas nitriding, using the advantage of ionic nitriding
It is, on the one hand, because temperature control is more accurate, it is not easy to cause workpiece size to occur micro- change, on the other hand, nitrided case depth is more
Deep, evenly, the hardness of workpiece surface is higher after nitridation, more wear-resisting for nitration case so that the service life of barreled tooth flank obtain compared with
Big lifting.
In the alternative of the present embodiment, in addition to：Roughing, roughing, allowance are carried out to rough forging material
For 4-8mm.
In the present embodiment, the rough forging material of barreled tooth flank selects 42CrMo.
In the alternative of the present embodiment, rough machined allowance is preferably 4mm.
In the alternative of the present embodiment, in addition to：It is quenched, modifier treatment is carried out to the workpiece after roughing, it is quenched
Hardness is 32-38HRC.
In the alternative of the present embodiment, quenching and tempering hardness is preferably 38HRC.
In the alternative of the present embodiment, in addition to：Finishing, is finished to the workpiece after semifinishing.
In the present embodiment, continue to finish the workpiece after semifinishing using high precision digital control lathe.
In the alternative of the present embodiment, in addition to：Gear hobbing, carries out numerical control gear hobbing to the workpiece after tempering, processes
Barreled tooth flank.
In the present embodiment, numerical control gear hobbing is carried out to the workpiece after tempering using high precision numerical control gear-hobbing machine.
Integrate apparently, the barreled tooth flank processing technology provided using the present embodiment improves the machining accuracy of barreled tooth flank, effectively
Ground solves the problem of barreled tooth flank deformation occurs after processing；Also, also solve barreled tooth flank nitrided case depth deficiency and surface
The problem of hardness is low, extends the service life of barreled tooth flank.
Embodiment two：
In the alternative of the present embodiment, as shown in Figures 1 to 5, a kind of barreled tooth flank processing work that the present embodiment is provided
Skill, comprises the following steps：
Semifinishing, carries out semifinishing, allowance is 0.4-0.8mm to the workpiece after quenched；
Tempering, temper is carried out to the workpiece after semifinishing, and temperature is 480-520 DEG C, and soaking time is
10H。
Existing barreled tooth flank processing technology, quenched directly to be finished afterwards, there is residual in the barreled tooth flank after machine-shaping
Stress, size is unstable, it may appear that the situation of workpiece deformation, and precision can not be protected, it is impossible to meet track traffic with tooth-like
The use requirement of the rack barrel of shaft coupling.
In the present embodiment, temper is carried out to the workpiece after semifinishing, residual stress is discharged in advance so that workpiece
Tissue and size more stablize, it is ensured that the precision of following process, solve the barreled tooth flank that existing processing technology is processed
Precision it is low the problem of.
In the alternative of the present embodiment, temperature is preferably 480 DEG C or so.
In the alternative of the present embodiment, semi-finished allowance is preferably 0.6mm.
In the alternative of the present embodiment, in addition to：Ionic nitriding, is carried out at ionic nitriding to the workpiece after gear hobbing
Reason, nitridation time is 30H.
Existing barreled tooth flank processing technology, the workpiece after gear hobbing is used gas nitriding processing, nitrided case depth compared with
Shallow, the case hardness after processing is relatively low, it is impossible to meet the requirement of the high-wearing feature of cydariform tooth surface.
In the present embodiment, ion Plasma Nitriding Treatment is carried out to the workpiece after gear hobbing, nitridation time is 30H, nitride layer depth
It can reach that case hardness can be in more than 60HRC after 0.6-0.8mm, nitridation；Compared to gas nitriding, using the advantage of ionic nitriding
It is, on the one hand, because temperature control is more accurate, it is not easy to cause workpiece size to occur micro- change, on the other hand, nitrided case depth is more
Deep, evenly, the hardness of workpiece surface is higher after nitridation, more wear-resisting for nitration case so that the service life of barreled tooth flank obtain compared with
Big lifting.
In the alternative of the present embodiment, in addition to：Roughing, roughing, allowance are carried out to rough forging material
For 4-8mm.
In the present embodiment, the rough forging material of barreled tooth flank selects 42CrMo.
In the alternative of the present embodiment, rough machined allowance is preferably 6mm.
In the alternative of the present embodiment, in addition to：It is quenched, modifier treatment is carried out to the workpiece after roughing, it is quenched
Hardness is 32-38HRC.
In the alternative of the present embodiment, quenching and tempering hardness is preferably 35HRC.
In the alternative of the present embodiment, in addition to：Finishing, is finished to the workpiece after semifinishing.
In the alternative of the present embodiment, in addition to：Gear hobbing, carries out numerical control gear hobbing to the workpiece after tempering, processes
Barreled tooth flank.
Embodiment three：
In the alternative of the present embodiment, as shown in Figures 1 to 5, a kind of barreled tooth flank processing work that the present embodiment is provided
Skill, comprises the following steps：
Semifinishing, carries out semifinishing, allowance is 0.4-0.8mm to the workpiece after quenched；
Tempering, temper is carried out to the workpiece after semifinishing, and temperature is 480-520 DEG C, and soaking time is
10H。
Existing barreled tooth flank processing technology, quenched directly to be finished afterwards, there is residual in the barreled tooth flank after machine-shaping
Stress, size is unstable, it may appear that the situation of workpiece deformation, and precision can not be protected, it is impossible to meet track traffic with tooth-like
The use requirement of the rack barrel of shaft coupling.
In the present embodiment, temper is carried out to the workpiece after semifinishing, residual stress is discharged in advance so that workpiece
Tissue and size more stablize, it is ensured that the precision of following process, solve the barreled tooth flank that existing processing technology is processed
Precision it is low the problem of.
In the alternative of the present embodiment, temperature is preferably 520 DEG C or so.
In the alternative of the present embodiment, semi-finished allowance is preferably 0.8mm.
In the alternative of the present embodiment, in addition to：Ionic nitriding, is carried out at ionic nitriding to the workpiece after gear hobbing
Reason, nitridation time is 30H.
Existing barreled tooth flank processing technology, the workpiece after gear hobbing is used gas nitriding processing, nitrided case depth compared with
Shallow, the case hardness after processing is relatively low, it is impossible to meet the requirement of the high-wearing feature of cydariform tooth surface.
In the present embodiment, ion Plasma Nitriding Treatment is carried out to the workpiece after gear hobbing, nitridation time is 30H, nitride layer depth
It can reach that case hardness can be in more than 60HRC after 0.6-0.8mm, nitridation；Compared to gas nitriding, using the advantage of ionic nitriding
It is, on the one hand, because temperature control is more accurate, it is not easy to cause workpiece size to occur micro- change, on the other hand, nitrided case depth is more
Deep, evenly, the hardness of workpiece surface is higher after nitridation, more wear-resisting for nitration case so that the service life of barreled tooth flank obtain compared with
Big lifting.
In the alternative of the present embodiment, in addition to：Roughing, roughing, allowance are carried out to rough forging material
For 4-8mm.
In the present embodiment, the rough forging material of barreled tooth flank selects 42CrMo.
In the alternative of the present embodiment, rough machined allowance is preferably 8mm.
In the alternative of the present embodiment, in addition to：It is quenched, modifier treatment is carried out to the workpiece after roughing, it is quenched
Hardness is 32-38HRC.
In the alternative of the present embodiment, quenching and tempering hardness is preferably 32HRC.
In the alternative of the present embodiment, in addition to：Finishing, is finished to the workpiece after semifinishing.
In the alternative of the present embodiment, in addition to：Gear hobbing, carries out numerical control gear hobbing to the workpiece after tempering, processes
Barreled tooth flank.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of barreled tooth flank processing technology, it is characterised in that comprise the following steps：
Semifinishing, carries out semifinishing, allowance is 0.4-0.8mm to the workpiece after quenched；
Tempering, temper is carried out to the workpiece after semifinishing, and temperature is 480-520 DEG C, and soaking time is 10H.
2. barreled tooth flank processing technology according to claim 1, it is characterised in that temperature is 500 DEG C.
3. barreled tooth flank processing technology according to claim 1, it is characterised in that semi-finished allowance is 0.4mm.
4. barreled tooth flank processing technology according to claim 1, it is characterised in that also include：
Ionic nitriding, carries out ion Plasma Nitriding Treatment, nitridation time is 30H to the workpiece after gear hobbing.
5. barreled tooth flank processing technology according to claim 1, it is characterised in that also include：
Roughing, carries out roughing, allowance is 4-8mm to rough forging material.
6. barreled tooth flank processing technology according to claim 5, it is characterised in that rough machined allowance is 4mm.
7. barreled tooth flank processing technology according to claim 1, it is characterised in that also include：
It is quenched, modifier treatment is carried out to the workpiece after roughing, quenching and tempering hardness is 32-38HRC.
8. barreled tooth flank processing technology according to claim 7, it is characterised in that quenching and tempering hardness is 38HRC.
9. barreled tooth flank processing technology according to claim 1, it is characterised in that also include：
Finishing, is finished to the workpiece after semifinishing.
10. barreled tooth flank processing technology according to claim 1, it is characterised in that also include：
Gear hobbing, carries out numerical control gear hobbing to the workpiece after tempering, processes barreled tooth flank.
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| CN201710447216.6A CN107253024A (en) | 2017-06-14 | 2017-06-14 | Barreled tooth flank processing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447216.6A CN107253024A (en) | 2017-06-14 | 2017-06-14 | Barreled tooth flank processing technology |
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| CN107253024A true CN107253024A (en) | 2017-10-17 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07136863A (en) * | 1993-11-22 | 1995-05-30 | Mitsubishi Motors Corp | Manufacture of gear made of austemper ductile cast iron |
| CN1403710A (en) * | 2002-10-17 | 2003-03-19 | 任希文 | Hardening ceramic processing method for surface of piston rod |
| CN101144140A (en) * | 2006-09-15 | 2008-03-19 | 宝山钢铁股份有限公司 | Flying shear blade and preparation method thereof |
| CN101705932A (en) * | 2009-11-04 | 2010-05-12 | 上海齐耀动力技术有限公司 | Piston rod for oil-free lubrication gas compressor |
| CN102848158A (en) * | 2011-07-01 | 2013-01-02 | 江苏高齿传动机械有限公司 | Method for machining hardened face gear |
| CN104384876A (en) * | 2014-10-23 | 2015-03-04 | 哈尔滨东安发动机（集团）有限公司 | High-precision gear manufacturing method |
| CN105734250A (en) * | 2014-12-09 | 2016-07-06 | 重庆凌云工具有限公司 | Heat treatment process for 20CrMnMo gear |
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2017
- 2017-06-14 CN CN201710447216.6A patent/CN107253024A/en not_active Application Discontinuation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07136863A (en) * | 1993-11-22 | 1995-05-30 | Mitsubishi Motors Corp | Manufacture of gear made of austemper ductile cast iron |
| CN1403710A (en) * | 2002-10-17 | 2003-03-19 | 任希文 | Hardening ceramic processing method for surface of piston rod |
| CN101144140A (en) * | 2006-09-15 | 2008-03-19 | 宝山钢铁股份有限公司 | Flying shear blade and preparation method thereof |
| CN101705932A (en) * | 2009-11-04 | 2010-05-12 | 上海齐耀动力技术有限公司 | Piston rod for oil-free lubrication gas compressor |
| CN102848158A (en) * | 2011-07-01 | 2013-01-02 | 江苏高齿传动机械有限公司 | Method for machining hardened face gear |
| CN104384876A (en) * | 2014-10-23 | 2015-03-04 | 哈尔滨东安发动机（集团）有限公司 | High-precision gear manufacturing method |
| CN105734250A (en) * | 2014-12-09 | 2016-07-06 | 重庆凌云工具有限公司 | Heat treatment process for 20CrMnMo gear |
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