CN1047137A - Arc cylindrical gear and processing method - Google Patents
Arc cylindrical gear and processing method Download PDFInfo
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- CN1047137A CN1047137A CN 90105655 CN90105655A CN1047137A CN 1047137 A CN1047137 A CN 1047137A CN 90105655 CN90105655 CN 90105655 CN 90105655 A CN90105655 A CN 90105655A CN 1047137 A CN1047137 A CN 1047137A
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Abstract
The invention discloses a kind of arc cylindrical gear and processing method thereof, belong to the gear drive of a kind of novelty in the mechanical engineering.Arc cylindrical gear is a kind of new gear with cylindrical gears and spiral bevel gear.There is helix angle to be not equal to the arc cylindrical gear of the zero null two kinds of structural types of helix angle.Arc cylindrical gear normally uses generating method for tooth-cutting on the mill teeth machine, arc cylindrical gear, and engagement does not steadily have impact, and noise is little, is suitable for the high-speed overload transmission, uses mill teeth machine cutting manufacturing efficiency height, and precision is controlled easily.In industries such as aviation, navigation, automobile, tractor and high precision machine tools broad prospect of application is arranged.
Description
The invention discloses a kind of curved tooth garden stud wheel and processing method thereof.The gear drive that belongs to a kind of novelty in the mechanical engineering.
Gear transmission is the critical component of mechanical system, is widely used in various industrial departments.People always constantly improve the design and the calculating of gear, and adopt various new procesies to improve processing method, so that raise the efficiency and increase bearing capacity, reach simultaneously and reduce cost and noise.At present, in crossing driven off by shaft bevel gear field, spiral bevel gear and hypoid gear replace traditional Straight Bevel Gear Drive widely.And in stud wheel field, the garden of the driving of parallel axes, then failing for a long time to break through with the straight line tooth trace is all kinds of gardens stud wheel transmission of feature.Because their tooth trace is made of straight line, therefore conveniently further improve gear pair a series of requirements such as transmission stability, impact resistance, bearing capacity and reduction noise be restricted, every index that can not satisfy garden stud wheel transmission improves the present situation of requirement day by day.
The objective of the invention is further to improve the transmission quality of garden stud wheel, satisfy the requirement that all types of industries department improves day by day to the gear transmission quality in order to overcome that above-mentioned traditional garden stud wheel weakness changes the straight line tooth trace of garden stud wheel transmission and to be curved tooth cylindrical gear.
Curved tooth garden stud wheel takes following mode to realize, curved tooth garden stud wheel is a kind of new gear with garden stud wheel and spiral bevel gear characteristics.The tooth trace of curved tooth garden stud wheel is the part of garden arc, and flank profil still is that involute, pressure angle and horizontal number etc. are the same with common garden stud wheel, also adopts reference value.The gear teeth flank of tooth has concave surface and convex surface two-part.
Curved tooth garden stud wheel has two kinds of structural types usually:
1. helix angle is not equal to other curved tooth garden stud wheel.The curved tooth garden post wheel gear teeth are represented with helix angle that to the inclined degree of joint garden element cylinder two gears in the engagement pair should have different rotation directions, engagement in pairs, the general nominal helix angle that all helix angle of tooth trace mid point is defined as curved tooth garden stud wheel.The gear teeth of curved tooth garden stud wheel are called Hand of spiral to the true dip direction of joint garden element cylinder, have left-handed and two kinds of dextrorotation, engagement in pairs.The curved tooth garden stud wheel that helix angle is not equal to other is equivalent to common Helical Cylindrical Gear Drive.
2. helix angle equals other curved tooth garden post wheel.Helix angle is spent curved tooth garden stud wheel in addition for other curved tooth garden stud wheel is called again.The Hand of spiral that other spends curved tooth garden stud wheel also is divided into left-handed and two kinds of dextrorotation, engagement in pairs.The curved tooth garden stud wheel of this structural type from the helix angle notion, is equivalent to cylindrical gear of straight tooth, is similar to herringbone gear the stud wheel of garden again from the tooth trace meaning.
The process principle of curved tooth garden stud wheel is similar to the process principle of spiral bevel gear, normally on the mill teeth machine, use generating method for tooth-cutting, this gear cutting consideration is to design according to the theory of engagement fully, the cage chair mechanism analog of mill teeth machine is become an imaginary gear (plane crown gear), facing cutter is installed on the cage chair, facing cutter is gear teeth of imaginary gear, when processed gear and cage chair (imaginary gear) with certain gear ratio during around separately axis rotation, cutterhead just cuts out teeth groove on the tooth base of processed gear, whole working angles just is equivalent to the engagement of a plane crown gear and curved tooth garden stud wheel.The general imaginary gear that claims is for producing the shape wheel, and the product shape wheel in curved tooth garden stud wheel cutting process is exactly a plane crown gear.
Curved tooth garden stud wheel is compared with common garden stud wheel has following advantage:
1. because tooth trace is curve rather than straight line, engagement does not steadily have and impacts, and noise is little.
2. the herringbone gear bearing capacity that is equivalent in the stud wheel of garden of garden curved tooth line is big, is applicable to the high-speed overload transmission.
3. in course of working, do not need special device, just can carry out the cydariform correction, thereby guarantee that the contact area is good the gear teeth (usually to the steamboat in the engagement pair), insensitive to alignment error.
4. use garden shape facing cutter, cutter is not limited by modulus, simplifies tool category.
5. owing to use the cutting of mill teeth machine, than traditional gear hobbing, Gear Shaping has the advantage of manufacturing efficiency height and the easy control of precision.
6. for satisfying the requirement of highi degree of accuracy and degree of finish, can on bevel gear grinding machine, carry out roll flute processing equally.
Because curved tooth garden stud wheel has series of advantages, it will be employed in the driving of parallel axes of various high-speed overloads widely, particularly will have broad application prospects in industries such as aviation, navigation, automobile, tractor and high precision machine tool.
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is a curved tooth garden stud wheel schematic representation.
Fig. 2 is a curved tooth garden stud wheel flank of tooth schematic representation.
Fig. 3 is the rotation direction schematic representation that curved tooth garden stud wheel helix angle ψ is not equal to other.
Fig. 4 is the rotation direction schematic representation that curved tooth garden stud wheel helix angle ψ equals other.
Fig. 5 is curved tooth garden stud wheel process principle figure.
With reference to accompanying drawing curved tooth garden stud wheel is a kind of new gear with garden stud wheel and spiral bevel gear characteristics, the fundamental difference of it and common garden stud wheel is that the tooth trace of curved tooth garden stud wheel is the part of garden arc, and the tooth trace of common garden stud wheel be straight line as shown in Figure 1.But still having kept the feature of common garden post wheel in the stud wheel of curved tooth garden, still is involute such as flank profil, and pressure angle and modulus etc. are the same with the garden stud wheel, also adopt reference value.
Curved tooth garden stud wheel is the different of processing method with another difference of common garden stud wheel.Curved tooth garden stud wheel is to use the mill teeth machine of processing spiral bevel gear or hypoid gear to process.Also use the garden shape facing cutter that can form interior male cone (strobilus masculinus) to come cutting, therefore the gear teeth flank of tooth that forms also has the branch of concave surface and convex surface, as shown in Figure 2.The symmetrical flank of tooth that this and common garden stud wheel have is inequality.
With reference to accompanying drawing 3, helix angle ψ is not equal to other curved tooth garden stud wheel, two gears during engagement is paid have different rotation directions: left-handed curved tooth garden stud wheel (a) is meshed with dextrorotation curved tooth garden stud wheel (b), observe towards the flank of tooth with reference to accompanying drawing 2, the tooth trace curve recessed to an end be called the inner, then the other end tooth trace curve protruding to an end be called the outer end.If the gear teeth in the outer end in a clockwise direction inclination person be called dextrorotation (b) and be called left-handed (a) with counter clockwise direction inclination person, as shown in Figure 3.Curved tooth garden stud wheel contacts to other end gradually from an end when engagement, and the curved tooth garden stud wheel that helix angle is not equal to other is equivalent to common Helical Cylindrical Gear engagement driving.
With reference to accompanying drawing 5, the processing of curved tooth garden stud wheel is normally used generating method for tooth-cutting on the mill teeth machine, plane crown gear of cage chair mechanism analog with the mill teeth machine, the facing cutter of installing on the cage chair is gear teeth of imaginary gear, when processed gear and cage chair with a stable drive ratio during around separately axis rotation cutterhead just cut out teeth groove on the tooth base at processed gear.During cutting, axis of workpiece is parallel to the cage chair plane, and the tooth base is EW to the Offset of machine axis, and the Radial that cutterhead is installed is S.The cutter spacing polar angle is q(q=ψ this moment), cutter radius is yc.This moment, the position of wheel was △ XB, and berth is XB.
Claims (2)
1, a kind of curved tooth garden stud wheel and processing method, the tooth trace that it is characterized in that curved tooth garden stud wheel is the part of garden arc, flank profil still is that involute, pressure angle, modulus are the same with common garden stud wheel, adopt reference value, the gear teeth flank of tooth has concave surface and convex surface two-part, and curved tooth garden stud wheel has two kinds of structural types:
A. helix angle is not equal to other curved tooth garden stud wheel: curved tooth garden stud wheel tooth is represented with helix angle to the inclined degree of joint garden element cylinder two gears during engagement is paid have different rotation directions, had left-handed and two kinds of dextrorotation, engagement in pairs;
B. helix angle equals other curved tooth garden stud wheel (spending curved tooth garden stud wheel in addition): the Hand of spiral that other spends curved tooth garden stud wheel also is divided into left-handed and two kinds of dextrorotation, engagement in pairs.
2, the processing method of a kind of curved tooth garden stud wheel, it is characterized in that on the mill teeth machine, using generating method for tooth-cutting, to be the complete theory of engagement become an imaginary gear (plane crown gear) with the cage chair mechanism analog of mill teeth machine to this gear cutting consideration, facing cutter is installed on the cage chair, facing cutter is gear teeth of imaginary gear, when processed gear and cage chair (imaginary gear) with certain gear ratio during around separately axis rotation, cutterhead just cuts out teeth groove on the tooth base of processed gear, whole working angles just is equivalent to the engagement of a plane crown gear and curved tooth garden stud wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90105655 CN1047137A (en) | 1990-04-13 | 1990-04-13 | Arc cylindrical gear and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90105655 CN1047137A (en) | 1990-04-13 | 1990-04-13 | Arc cylindrical gear and processing method |
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| Publication Number | Publication Date |
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| CN1047137A true CN1047137A (en) | 1990-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 90105655 Withdrawn CN1047137A (en) | 1990-04-13 | 1990-04-13 | Arc cylindrical gear and processing method |
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| CN (1) | CN1047137A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075611C (en) * | 1995-04-27 | 2001-11-28 | 宋广岐 | Logarithmic helix tooth bevel gear and logarithmic helix cam for machining said gear |
| CN100335821C (en) * | 2004-06-15 | 2007-09-05 | 宋爱平 | Curved teeth cylindrical gear, machining method and apparatus thereof |
| CN101865271A (en) * | 2010-05-19 | 2010-10-20 | 常州大学 | Gear with epicycloid-shaped tooth trace |
| CN101890540A (en) * | 2010-07-16 | 2010-11-24 | 扬州大学 | Method for processing curve-tooth cylindrical gear |
| CN102198543A (en) * | 2011-03-31 | 2011-09-28 | 北京经纬恒润科技有限公司 | Gear modeling method and gear modeling device |
| CN101152677B (en) * | 2006-09-27 | 2011-11-16 | 彭福华 | Method for producing cutter teeth of spiral bevel gear with spherical involute profile of tooth tapered tooth |
| CN1940350B (en) * | 2005-09-28 | 2012-01-11 | 恩普乐股份有限公司 | Gears and gearing apparatus |
| CN102782367A (en) * | 2010-03-04 | 2012-11-14 | 丰田自动车株式会社 | Hypoid gear |
| CN103180077A (en) * | 2010-05-28 | 2013-06-26 | 科林基恩伯格股份公司 | A method for generating of non-straight gear teeth |
| CN103203647A (en) * | 2013-04-02 | 2013-07-17 | 四川大学 | Translation processing device for arc tooth trace cylindrical gear |
| CN103727206A (en) * | 2014-01-20 | 2014-04-16 | 宋爱平 | Elliptical toothed-trace cylindrical gear and processing method thereof |
| CN104455315A (en) * | 2014-11-21 | 2015-03-25 | 天津大学 | Gear with novel tooth profile curve |
| CN106321760A (en) * | 2016-10-20 | 2017-01-11 | 四川大学 | Circular-arc-tooth-trace gear and rack transmission |
| CN106438920A (en) * | 2016-08-15 | 2017-02-22 | 四川大学 | Variable-double-curve circular-arc-tooth-trace cylindrical gear |
| CN106438881A (en) * | 2016-09-26 | 2017-02-22 | 四川大学 | Circular-arc tooth line type synchronous belt transmission system |
| CN106513863A (en) * | 2016-12-16 | 2017-03-22 | 唐山唐齿传动机械有限公司 | Processing method of spiral bevel gear |
| CN107617795A (en) * | 2016-07-14 | 2018-01-23 | 方年学 | The processing method of curved tooth line gear |
| CN109114169A (en) * | 2018-10-08 | 2019-01-01 | 天津工业大学 | aviation spiral gear transmission system |
-
1990
- 1990-04-13 CN CN 90105655 patent/CN1047137A/en not_active Withdrawn
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075611C (en) * | 1995-04-27 | 2001-11-28 | 宋广岐 | Logarithmic helix tooth bevel gear and logarithmic helix cam for machining said gear |
| CN100335821C (en) * | 2004-06-15 | 2007-09-05 | 宋爱平 | Curved teeth cylindrical gear, machining method and apparatus thereof |
| CN1940350B (en) * | 2005-09-28 | 2012-01-11 | 恩普乐股份有限公司 | Gears and gearing apparatus |
| CN101152677B (en) * | 2006-09-27 | 2011-11-16 | 彭福华 | Method for producing cutter teeth of spiral bevel gear with spherical involute profile of tooth tapered tooth |
| CN102782367A (en) * | 2010-03-04 | 2012-11-14 | 丰田自动车株式会社 | Hypoid gear |
| CN101865271A (en) * | 2010-05-19 | 2010-10-20 | 常州大学 | Gear with epicycloid-shaped tooth trace |
| CN103180077A (en) * | 2010-05-28 | 2013-06-26 | 科林基恩伯格股份公司 | A method for generating of non-straight gear teeth |
| CN101890540A (en) * | 2010-07-16 | 2010-11-24 | 扬州大学 | Method for processing curve-tooth cylindrical gear |
| CN102198543A (en) * | 2011-03-31 | 2011-09-28 | 北京经纬恒润科技有限公司 | Gear modeling method and gear modeling device |
| CN102198543B (en) * | 2011-03-31 | 2013-03-06 | 北京经纬恒润科技有限公司 | Gear modeling method and gear modeling device |
| CN103203647A (en) * | 2013-04-02 | 2013-07-17 | 四川大学 | Translation processing device for arc tooth trace cylindrical gear |
| CN103203647B (en) * | 2013-04-02 | 2016-04-13 | 四川大学 | A kind of translation processing unit (plant) of arc tooth cylindrical gear |
| CN103727206A (en) * | 2014-01-20 | 2014-04-16 | 宋爱平 | Elliptical toothed-trace cylindrical gear and processing method thereof |
| CN104455315A (en) * | 2014-11-21 | 2015-03-25 | 天津大学 | Gear with novel tooth profile curve |
| CN107617795A (en) * | 2016-07-14 | 2018-01-23 | 方年学 | The processing method of curved tooth line gear |
| CN106438920A (en) * | 2016-08-15 | 2017-02-22 | 四川大学 | Variable-double-curve circular-arc-tooth-trace cylindrical gear |
| CN106438881A (en) * | 2016-09-26 | 2017-02-22 | 四川大学 | Circular-arc tooth line type synchronous belt transmission system |
| CN106321760A (en) * | 2016-10-20 | 2017-01-11 | 四川大学 | Circular-arc-tooth-trace gear and rack transmission |
| CN106513863A (en) * | 2016-12-16 | 2017-03-22 | 唐山唐齿传动机械有限公司 | Processing method of spiral bevel gear |
| CN109114169A (en) * | 2018-10-08 | 2019-01-01 | 天津工业大学 | aviation spiral gear transmission system |
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| WW01 | Invention patent application withdrawn after publication |