CN103089964A - Design of bevel gear and cylindrical gear and mixed cutting method thereof - Google Patents
Design of bevel gear and cylindrical gear and mixed cutting method thereof Download PDFInfo
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- CN103089964A CN103089964A CN2013100553359A CN201310055335A CN103089964A CN 103089964 A CN103089964 A CN 103089964A CN 2013100553359 A CN2013100553359 A CN 2013100553359A CN 201310055335 A CN201310055335 A CN 201310055335A CN 103089964 A CN103089964 A CN 103089964A
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Abstract
The invention reduces the tooth profile design limit of a bevel gear and a cylindrical gear, increases direction and shape requirements of the movement locus of a gear contact area, the number of instant gear contact areas can be increased to a few from one, and a tooth surface can be changed into a composite curved surface formed by a few single curved surfaces from a single surface. The gear can be machined by a traditional machine tool and a general multi-shaft numerical control machine tool, and can also be machined by using a mixed cutting method. The bevel gear and the cylindrical gear have high bearing capacity and good processing performance, and can be widely used to mechanical traditional industry.
Description
Technical field
Technical field of the present invention is the mechanical drive gear field.
Background technique
Bevel gear and cylindrical gears are all used driving cog system at present: size wheel tooth depth equates; Deng bottom clearance; The teeth directional bottom clearance is even; The contacting profile shape is single; Partial points contact area only under the axial modification situation; Instantaneous joggle(d) joint contact area movement locus direction and shape do not have fine control.
According to this traditional design, the cutting method of gear is single, the cutting of special-purpose single kind lathe.
Summary of the invention
The present invention has removed the conventional teeth design constraint, pinion gear teeth is high greatly can not wait, the tooth top radial clearance can not wait, the tooth top radial clearance can change in facewidth direction, satisfying the tooth top tooth root does not interfere, do not have local tooth limit firmly to contact, keep rational driving error, less vibrations and noise conditions.The steamboat tooth depth is larger than bull wheel tooth depth, can improve the tooth overlap coefficient.
Cylindrical gears is except tooth length direction (pitch cylinder and calibration cylinder launch) is straight line, can be also curve (as circular arc bank, cyclo-palloid curve and involute etc.), available five axle bevel gear cutting machines, 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 correction of the flank shape is arranged).
The design of this novel bevel gear and cylindrical gears is characterized in that the design of non-traditional tooth surface geometry: gear joggle(d) joint contact area movement locus direction is or near flank of tooth tooth limit quadrilateral space diagonal; Gear joggle(d) joint contact area movement locus is geodesic curve at reference point for the design (node or flank of tooth mid point) on the flank of tooth at least.Its contact ratio is tooth depth and teeth directional contact ratio sum.
This new design can realize that in the axial modification situation instantaneous single-point and multi-point partial contact raising gear teeth bearing capacity simultaneously: big or small Gear Root curved surface (circular arc camber, circular arc generate face etc.) can participate in engagement; Be engaged with the corresponding gear teeth tooth top circular arc or circular arc expansion trimming are arranged; The cutting edge of circular face-mill, dish end face hobboing cutter, cylinder hobboing cutter and Double-cutter milling cutter can be processed big or small 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 of gear engagement is the engagement of a pair of big or small gear tooth compound curved surface.The correction of the flank shape flank of tooth has more than one instantaneous contact area can increase the area of contact area under loaded state, improves the bearing capacity of bevel gear and cylindrical gears.
Embodiment
Gear of the present invention can be used the single-minded professional lathe of tradition, conventional tool processing; Also available have the cutter of build-up curve blade and mix cutting method processing:
The large steamboat rough lumber of extension outer cycloid conical gear circular-arc bevel gear tooth milling machine mill teeth; Essence is cut with the cutting of cyclo-palloid curve gear hobbing machine; A pair of big or small flywheel rotor can be cut the large steamboat of different rotation directions.Can enhance productivity and extend cutter life.
The bull wheel of straight bevel gear cylindrical gears gear hobbing machine and the cutting of cylinder hobboing cutter; Steamboat Double-cutter milling machine cutting.
Involute tooth adopts the cutting of cylinder hobboing cutter to the large steamboat of bevel gear with 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 the numerical control bevel gear numerical control machine tool, adopt cylinder hobboing cutter or circular face-mill (circle-arc tooth to), disk end face hobboing cutter (cyclo-palloid curve teeth directional) circle of contact post straight-tooth, helical teeth, circle-arc tooth to, cyclo-palloid curve tooth trace cylindrical gears.
Claims (7)
1. the design of a novel bevel gear and cylindrical gears is characterized in that non-traditional tooth surface geometry design: gear joggle(d) joint contact area movement locus direction is or near flank of tooth tooth limit quadrilateral space diagonal; Gear joggle(d) joint contact area movement locus is geodesic curve at reference point for the design (node or flank of tooth mid point) at the flank of tooth at least.
2. design is characterized in that the design of non-traditional tooth section according to claim 1: large pinion gear teeth is high can not wait; The tooth top radial clearance can not wait; The tooth top radial clearance can change in facewidth direction; Teeth directional can be straight line, circular arc, cyclo-palloid curve and involute.
3. design is characterized in that can realizing that instantaneous single-point contacts raising gear teeth bearing capacity with multi-point partial in the axial modification situation according to claim 1: big or small Gear Root curved surface (circular arc camber, circular arc generate face etc.) can participate in engagement; Be engaged with the corresponding gear teeth tooth top circular arc or circular arc expansion trimming are arranged; The cutting edge of circular face-mill, disk end face hobboing cutter, cylinder hobboing cutter and Double-cutter milling cutter can be processed big or small gear tooth compound curved surface with straight line, conical section (parabola, hyperbola, ellipse, circular arc) or their end-to-end or tangent assemble line.
4. the feature of the mixing cutting method of extension outer cycloid conical gear is according to claim 1: 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 of big or small flywheel rotor can be cut the large steamboat of different rotation directions.
5. the feature of the mixing cutting method of straight bevel gear is according to claim 1: bull wheel cylindrical gears gear hobbing machine and the cutting of cylinder hobboing cutter; Steamboat is all used the cutting of multiaxis universal numerical control machining center with the cutting of Double-cutter milling machine or large steamboat.
6. involute tooth to the feature that bevel gear mixes cutting method is according to claim 1: large steamboat adopts the cutting of cylinder hobboing cutter with multi-axis numerical control cylinder gear hobbing machine, multi-axis numerical control Machining centersgeneral or bevel gear numerical control machine tool.
7. the feature of the mixing cutting method of cylindrical gears according to claim 1: with the numerical control bevel gear numerical control machine tool, adopt cylinder hobboing cutter or circular face-mill (circle-arc tooth to), disk end face hobboing cutter (cyclo-palloid curve teeth directional) circle of contact post straight-tooth, helical teeth, circle-arc tooth 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103089964A true CN103089964A (en) | 2013-05-08 |
| CN103089964B CN103089964B (en) | 2015-12-09 |
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| CN201310055335.9A Active 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931367A (en) * | 2017-12-18 | 2019-06-25 | 浙江宏业农装科技股份有限公司 | A kind of manufacturing method of the engaging structure of linear type bevel gear, speed reducer and the gear |
| CN110802280A (en) * | 2019-11-04 | 2020-02-18 | 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 |
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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 |
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| 张金良: "高强度螺旋锥齿轮的设计及实验研究", 《中国博士学位论文全文数据库 工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931367A (en) * | 2017-12-18 | 2019-06-25 | 浙江宏业农装科技股份有限公司 | A kind of manufacturing method of the engaging structure of linear type bevel gear, speed reducer and the gear |
| CN110802280A (en) * | 2019-11-04 | 2020-02-18 | 长安大学 | Involute spiral bevel gear tooth surface design method |
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| Publication number | Publication date |
|---|---|
| CN103089964B (en) | 2015-12-09 |
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