CN103089964B - The design of a kind of bevel gear and cylindrical gears and mixing cutting method thereof - Google Patents
The design of a kind of bevel gear and cylindrical gears and mixing cutting method thereof Download PDFInfo
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- CN103089964B CN103089964B CN201310055335.9A CN201310055335A CN103089964B CN 103089964 B CN103089964 B CN 103089964B CN 201310055335 A CN201310055335 A CN 201310055335A CN 103089964 B CN103089964 B CN 103089964B
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Abstract
The present invention reduces the tooth Shape Design constraint of bevel gear and cylindrical gears; Add direction and the shape need of Gear Contact district movement locus; Gear teeth instantaneous contact area also can be increased to several by one; The flank of tooth can be changed into by single curved surface the compound curved surface be made up of several single curved surface.Gear can be processed by traditional machine tool tool sharpening and General multiple shaft numerical control machine tool, also can process with mixing cutting method.Bevel gear of the present invention and cylindrical gears have very high bearing capacity and excellent processibility, can be widely applied to mechanical traditional industries.
Description
Technical field
Technical field of the present invention is mechanical drive gear field.
Background technique
Current bevel gear and cylindrical gears all use driving cog system: size wheel tooth depth is equal; Deng bottom clearance; Teeth directional bottom clearance is even; Contacting profile shape is single; A partial points contact area under axial modification situation; Movement locus direction, instantaneous mating contact area and shape do not control very well.
According to this traditional design, the cutting method of gear is single, the cutting of special single kind lathe.
Summary of the invention
Invention removes conventional teeth design constraint, large pinion gear teeth is high can not be waited, tooth top radial clearance can not wait, tooth top radial clearance can change in facewidth direction, meet tooth top tooth root not interfere, tooth limit, local does not contact firmly, keeps rational driving error, less vibrations and noise conditions.Steamboat tooth depth is larger than bull wheel tooth depth, can improve tooth overlap coefficient.
Cylindrical gears except tooth length direction (pitch cylinder and calibration cylinder launch) be except straight line, also can be curve (as circular arc bank, cyclo-palloid curve and involute etc.), available five shaft bevel gears cutting lathes, numerical control cylindrical gear gear cutting machine, universal numerical control machining center, disk end surface cutter head or the processing of cylinder hobboing cutter; Bevel gear tooth length direction (pitch circle cone launch) is straight line, circular arc bank, cyclo-palloid curve, involute (if or approximate involute teeth directional have correction of the flank shape).
The design of this novel bevel gear and cylindrical gears, is characterized in that non-traditional tooth surface geometry designs: movement locus direction, gears meshing contact area is or close to flank of tooth tooth limit quadrilateral space diagonal; Gears meshing contact area movement locus is at least geodesic curve at reference point for the design (node or flank of tooth mid point) on the flank of tooth.Its contact ratio is tooth depth and teeth directional contact ratio sum.
This new design can realize instantaneous single-point and contact raising gear teeth bearing capacity with multi-point partial simultaneously in axial modification situation: size Gear Root curved surface (circular arc camber, circular arc generate face etc.) can participate in engagement; Be engaged with corresponding gear teeth tooth top and have circular arc or circular arc expansion trimming; The cutting edge of circular face-mill, dish end face hobboing cutter, cylinder hobboing cutter and Double-cutter milling cutter can process size gear tooth compound curved surface with straight line, conical section (parabola, hyperbola, ellipse, circular arc) or their end-to-end or tangent assemble line.A pair gears meshing is the engagement of a pair size gear tooth compound curved surface.The correction of the flank shape flank of tooth in the loaded state, has more than one instantaneous contact area can increase the area of contact area, improves the bearing capacity of bevel gear and cylindrical gears.
Embodiment
Gear of the present invention can use the single-minded professional lathe of tradition, and conventional tool is processed; Also can process with having the cutter of build-up curve blade and mixing cutting method:
The large steamboat rough lumber circular-arc bevel gear tooth milling machine mill teeth of extension outer cycloid conical gear; Essence is cut with the cutting of cyclo-palloid curve gear hobbing machine; A pair size flywheel rotor can cut the large steamboat of different rotation direction.Can enhance productivity and extend cutter life.
Bull wheel cylindrical gears gear hobbing machine and the cutting of cylinder hobboing cutter of straight bevel gear; Steamboat Double-cutter milling machine cutting.
Involute tooth adopts cylinder hobboing cutter to cut to bevel gear large steamboat multi-axis numerical control cylinder gear hobbing machine or bevel gear numerical control machine tool.
The feature of the mixing cutting method of cylindrical gears: with numerical control bevel gear numerical control machine tool, adopt cylinder hobboing cutter or circular face-mill (circle-arc tooth to), cylindrical straight gear cut by disk end face hobboing cutter (cyclo-palloid curve teeth directional), helical teeth, circle-arc tooth be to, cyclo-palloid curve tooth trace cylindrical gears.
Claims (7)
1. a design method for novel bevel gear and cylindrical gears, is characterized in that non-traditional tooth surface geometry designs: movement locus direction, gears meshing contact area is or close to flank of tooth tooth limit quadrilateral space diagonal; Gears meshing contact area movement locus is at least geodesic curve at reference point for the design and node or flank of tooth mid point at the flank of tooth.
2. design method according to claim 1, is characterized in that non-traditional teeth portion designs: large pinion gear teeth is high can not wait; Tooth top radial clearance can not wait; Tooth top radial clearance can change in facewidth direction; Teeth directional can be straight line, circular arc, cyclo-palloid curve and involute.
3. design method according to claim 1, is characterized in that can realizing instantaneous single-point in axial modification situation and contacts with multi-point partial and improve gear teeth bearing capacity: size Gear Root curved surface comprises circular arc camber, and circular arc generate face can participate in engagement; Be engaged with corresponding gear teeth tooth top and have circular arc or circular arc expansion trimming; The cutting edge of circular face-mill, disk end face hobboing cutter, cylinder hobboing cutter and Double-cutter milling cutter can comprise the end-to-end of parabola, hyperbola, ellipse, circular arc or straight line and conical section with straight line, conical section or tangent assemble line processes size gear tooth compound curved surface.
4. the mixing cutting method of the bevel gear designed by design method according to claim 1, is characterized in that: bevel gear is extension outer cycloid conical gear, large steamboat rough lumber circular-arc bevel gear tooth milling machine mill teeth; Essence is cut with the cutting of cyclo-palloid curve gear hobbing machine; A pair size flywheel rotor can cut the large steamboat of different rotation direction.
5. the mixing cutting method of the bevel gear designed by design method according to claim 1, is characterized in that: bevel gear is straight bevel gear, bull wheel cylindrical gears gear hobbing machine and the cutting of cylinder hobboing cutter; Steamboat Double-cutter milling machine cutting.
6. the mixing cutting method of the bevel gear designed by the design method according to claim 1,2,3, is characterized in that: bevel gear be involute tooth to bevel gear, large steamboat multi-axis numerical control cylinder gear hobbing machine or bevel gear numerical control machine tool adopt cylinder hobboing cutter to cut.
7. the mixing cutting method of the cylindrical gears designed by the design method according to claim 1,2,3, is characterized in that: with numerical control bevel gear numerical control machine tool, adopt cylinder hobboing cutter or circular face-mill, cylindrical straight gear cut by disk end face hobboing cutter, helical teeth, circle-arc tooth be to, cyclo-palloid curve tooth trace cylindrical gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055335.9A CN103089964B (en) | 2013-02-21 | 2013-02-21 | The design of a kind of bevel gear and cylindrical gears and mixing cutting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310055335.9A CN103089964B (en) | 2013-02-21 | 2013-02-21 | The design of a kind of bevel gear and cylindrical gears and mixing cutting method thereof |
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| Publication Number | Publication Date |
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| CN103089964A CN103089964A (en) | 2013-05-08 |
| CN103089964B true CN103089964B (en) | 2015-12-09 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931367B (en) * | 2017-12-18 | 2021-04-13 | 浙江宏业农装科技股份有限公司 | Linear bevel gear meshing structure, speed reducer and manufacturing method of linear bevel gear |
| CN110802280B (en) * | 2019-11-04 | 2020-12-25 | 长安大学 | Involute spiral bevel gear tooth surface design method |
Citations (8)
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| JP3683085B2 (en) * | 1997-11-05 | 2005-08-17 | 光洋精工株式会社 | gear |
| JP3693466B2 (en) * | 1997-06-20 | 2005-09-07 | 株式会社リコー | Molded gear and method for determining tooth profile of molded gear |
| CN2779164Y (en) * | 2005-02-23 | 2006-05-10 | 张国林 | Composite tooth shaped cylindrical gear |
| WO2007044403A1 (en) * | 2005-10-04 | 2007-04-19 | The Gleason Works | Manufacturing straight bevel gears |
| CN101391323A (en) * | 2008-10-30 | 2009-03-25 | 吉林大学 | Processing method of tapered tooth spherical-involute tooth-form slant straight bevel gear |
| CN101780569A (en) * | 2009-11-12 | 2010-07-21 | 天津市达鑫精密机械设备有限公司 | Processing method for manufacturing teeth of cylindrical gears by turning |
| CN101890540A (en) * | 2010-07-16 | 2010-11-24 | 扬州大学 | Method for processing curve-tooth cylindrical gear |
| CN202468903U (en) * | 2011-10-26 | 2012-10-03 | 涂鹏远 | Negative circular arc-shaped gear tooth |
-
2013
- 2013-02-21 CN CN201310055335.9A patent/CN103089964B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3693466B2 (en) * | 1997-06-20 | 2005-09-07 | 株式会社リコー | Molded gear and method for determining tooth profile of molded gear |
| JP3683085B2 (en) * | 1997-11-05 | 2005-08-17 | 光洋精工株式会社 | gear |
| CN2779164Y (en) * | 2005-02-23 | 2006-05-10 | 张国林 | Composite tooth shaped cylindrical gear |
| WO2007044403A1 (en) * | 2005-10-04 | 2007-04-19 | The Gleason Works | Manufacturing straight bevel gears |
| CN101391323A (en) * | 2008-10-30 | 2009-03-25 | 吉林大学 | Processing method of tapered tooth spherical-involute tooth-form slant straight bevel gear |
| CN101780569A (en) * | 2009-11-12 | 2010-07-21 | 天津市达鑫精密机械设备有限公司 | Processing method for manufacturing teeth of cylindrical gears by turning |
| CN101890540A (en) * | 2010-07-16 | 2010-11-24 | 扬州大学 | Method for processing curve-tooth cylindrical gear |
| CN202468903U (en) * | 2011-10-26 | 2012-10-03 | 涂鹏远 | Negative circular arc-shaped gear tooth |
Non-Patent Citations (1)
| Title |
|---|
| 高强度螺旋锥齿轮的设计及实验研究;张金良;《中国博士学位论文全文数据库 工程科技II辑》;20080315(第3期);第2页 * |
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| CN103089964A (en) | 2013-05-08 |
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