CN107448580A - The manufacture method of geared system, the manufacture method of involute gear and geared system - Google Patents
The manufacture method of geared system, the manufacture method of involute gear and geared system Download PDFInfo
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- CN107448580A CN107448580A CN201710368023.1A CN201710368023A CN107448580A CN 107448580 A CN107448580 A CN 107448580A CN 201710368023 A CN201710368023 A CN 201710368023A CN 107448580 A CN107448580 A CN 107448580A
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- gear
- tooth
- involute
- geared system
- spur
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/02—Lapping gear teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H55/0806—Involute profile
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H2055/086—Silent gear profiles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Gears, Cams (AREA)
- Retarders (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of geared system of disclosure, the manufacture method of involute gear and the manufacture method of geared system.The geared system possesses the multiple spur gears for being formed as involute gear and is engaged with the multiple spur gear and make the input gear of the multiple spur gear synchronous rotary.The multiple spur gear has the flank of tooth formed with the grinding marks extended along tooth form direction respectively.
Description
Technical field
The present invention relates to make the geared system of the lower noise from geared system, the manufacture method of involute gear and tooth
The manufacture method of wheel apparatus.
Background technology
In various technical fields as industrial robot, lathe, vehicle, various geared system (references are developed
Japanese Unexamined Patent Publication 2015-21555 publications).Japanese Unexamined Patent Publication 2015-21555 publications disclose a kind of with multiple spur gears
Geared system.Input gear engages respectively with multiple spur gears, and rotates these gear synchronous.
Input gear than the fast speed at other positions to rotate, therefore, between input gear and multiple spur gears
Engaging portion be easy to produce larger noise.The use of spur gear with the flank of tooth formed with higher precision is for reducing
Above-mentioned noise is useful.However, tooth surface shape between multiple spur gears is completely the same and unrealistic.For example, manufacture tooth
Even if the producer of wheel apparatus selects 3 spur gears with highest precision from many spur gears, between 3 spur gears
There is also the difference of tooth surface shape.In addition, the pivot of the spur gear engaged with input gear is relative to determining in design
Pivot, which deviates, can also cause larger noise.In this case, reduction of the replacing of spur gear not to noise level is done
Go out contribution.Thus, conventional designing technique or manufacturing technology can not make nibbling between input gear and multiple spur gears
Closing the noise of part fully reduces.
The content of the invention
It is an object of the invention to provide caused by a kind of engaging portion made between input gear and multiple spur gears
The technology of lower noise.
The geared system of the technical scheme of the present invention possesses：Be formed as multiple spur gears of involute gear；It is and defeated
Enter gear, it is engaged with the multiple spur gear, and makes the multiple spur gear synchronous rotary.The multiple spur gear has respectively
There is the flank of tooth formed with the grinding marks extended along tooth form direction.
The manufacture method of the involute gear of another technical scheme of the present invention possesses：Drive the 1st involute gear and with
The process of 2nd involute gear of the 1st involute gear engagement；And to the 1st involute gear and the described 2nd gradually
The process of engaging portion supply free abrasive between involute gear.
The manufacture method of the geared system of the another technical scheme of the present invention possesses：Driving be formed as involute gear and
The process for the input gear that multiple spur gears with being encased in geared system engage；To the input gear and the multiple commutating tooth
The process of engaging portion supply free abrasive between wheel；And in the state of input gear has engaged with spur gear, pass through
The process for rotating two gears and being ground to the engaging portion.
Above-mentioned technology can make lower noise caused by engaging portion between input gear and multiple spur gears.
Purpose, feature and the advantage of above-mentioned technology become clearer by following detailed description and accompanying drawing.
Brief description of the drawings
Fig. 1 is the front view of the outline of the geared system of the 1st embodiment.
Fig. 2 be the geared system shown in Fig. 1 spur gear or input gear external tooth outline stereogram.
Fig. 3 is the roughness curve of the illustration obtained from the flank of tooth of the external tooth shown in Fig. 2.
Fig. 4 is the roughness curve of the illustration obtained from the flank of tooth of the external tooth shown in Fig. 2.
Fig. 5 is the sectional view of the outline of the geared system of the 2nd embodiment.
Fig. 6 is the sectional view along the outline of the line A-A shown in Fig. 5.
Fig. 7 is the concept map of the lapping device of the 3rd embodiment.
Fig. 8 is the front view of the outline of the geared system of the 4th embodiment.
Embodiment
The embodiments of ＜ the 1st>
The present inventor etc. develops the geared system that can reach relatively low noise level.In the 1st embodiment, explanation
The geared system of the illustration of relatively low noise level can be reached.
Fig. 1 is the front view of the outline of the geared system 100 of the 1st embodiment.Reference picture 1 illustrates geared system 100.
Geared system 100 possesses 3 spur gears 111,112,113 and input gear 120.Spur gear 111,112,113 points
Involute gear is not formed as.Similarly, input gear 120 is again formed as involute gear.
Fig. 1 represents rotation axis RAX and 3 axis transfers TX1, TX2, TX3.Axis transfer TX1, TX2, TX3 are with substantially
It is configured at equal intervals in the imaginary circle centered on rotation axis RAX.Input gear 120 rotates around rotation axis RAX.Spur gear
111 rotate around axis transfer TX1.Spur gear 112 rotates around axis transfer TX2.Spur gear 113 rotates around axis transfer TX3.
Input gear 120 engages with spur gear 111,112,113.If input gear 120 rotates around rotation axis RAX,
The synchronous rotary of spur gear 111,112,113.
Fig. 2 is the stereogram of the outline of external tooth 130.Referring to Figures 1 and 2, geared system 100 is further illustrated.With external tooth
130 relevant explanations are applied to spur gear 111,112,113 respective teeth.Additionally the explanation relevant with external tooth 130 can also
Suitable for the tooth of input gear 120.
In the following description, " tooth form direction " this term refer to the direction extended from tooth root to tooth top or from tooth top to
The direction of tooth root extension." trace direction " this term is the direction orthogonal with tooth form direction.
External tooth 130 the flank of tooth formed with the grinding marks extended along tooth form direction.Grinding marks both can be by being supplied to just
The free abrasive of engaging portion between gear 111,112,113 and input gear 120 is formed, can also be by other grinding techniques
Formed.The principle of present embodiment is not limited to the specific grinding technique for forming grinding marks.
Fig. 3 represents the roughness curve of the illustration obtained from the flank of tooth of external tooth 130.Reference picture 2 and Fig. 3, illustrate external tooth 130
The flank of tooth surface roughness.
Fig. 3 left figure is the data obtained from the contact pilotage for the flank of tooth for describing external tooth 130 along tooth form direction.Fig. 3 right figure
It is the data obtained from the contact pilotage for the flank of tooth for describing external tooth 130 along trace direction.Fig. 3 is represented from left figure with mark " Rp1 "
The maximum peak height that data obtain, the maximum peak height for representing to obtain from the data of right figure with mark " Rp2 ".
On left figure, the result of the milled processed in tooth form direction, the part for forming the peak value of roughness curve is reamed, because
This, maximum peak height Rp1 becomes very small compared with the maximum peak height Rp2 of left figure.Thus, due to the flank of tooth of external tooth 130 and other
Swiping between the flank of tooth of gear and the level of caused noise becomes very small.
Fig. 4 represents the arithmetic average roughness of the flank of tooth of external tooth 130.2~Fig. 4 of reference picture, illustrate the flank of tooth of external tooth 130
Arithmetic average roughness.
Data shown in Fig. 4 are identical with the data shown in Fig. 3.I.e., Fig. 4 left figure is to describe external tooth from along tooth form direction
The data that the contact pilotage of 130 flank of tooth obtains.Fig. 4 right figure is obtained from the contact pilotage for the flank of tooth for describing external tooth 130 along trace direction
The data obtained.Solid line shown in Fig. 4 represents the roughness curve of peak side.Dotted line shown in Fig. 4 represents the roughness curve of paddy side.
The arithmetic average roughness that Fig. 4 represents to obtain from the data of left figure with mark " Ra1 ", with mark " Ra2 " represent from
The arithmetic average roughness that the data of right figure obtain.On left figure, the result of the milled processed in tooth form direction, coarse write music is formed
The part of the peak value of line is reamed, and therefore, arithmetic average roughness Ra1 is smaller than the arithmetic average roughness Ra2 of left figure.Thus,
Due to the swiping between the flank of tooth of external tooth 130 and the flank of tooth of other gears, the level of caused noise becomes very small.
The embodiments of ＜ the 2nd>
Geared system can have the various internal structures for being used for making multiple spur gear synchronous rotaries.In the 2nd embodiment
In, illustrate the construction of the illustration of geared system.
Fig. 5 is the sectional view of the outline of the geared system 100 of the 2nd embodiment.Fig. 6 is along the line A-A shown in Fig. 5
The sectional view of outline.Reference picture 1, Fig. 5 and Fig. 6, illustrate geared system 100.
As illustrating in association with the 1st embodiment, geared system 100 possesses input gear 120.Geared system
100 possess outer barrel 210,220,3 bent axle assemblies 300 of tooth rest, gear part 400 and two base bearings 610,620.With
3 spur gears 111,112,113 that 1st embodiment is illustrated in association are respectively charged into 3 bent axle assemblies 300.
Fig. 5 only represents to be incorporated with the bent axle assembly 300 of spur gear 111.
As being illustrated in association with the 1st embodiment, input gear 120 rotates around rotation axis RAX, and
Driving force is transmitted to 3 spur gears 111,112,113.As a result, it is separately installed with 3 songs of spur gear 111,112,113
Axle assembly 300 rotates rotating around axis transfer TX1, TX2, TX3.The rotation of 3 bent axle assemblies 300 is to being configured to by outer barrel
210 and the inner space that surrounds of tooth rest 220 in gear part 400 transmit.
As shown in figure 5, two base bearings 610,620 be embedded in outer barrel 210 and the tooth rest 220 that is surrounded by outer barrel 210 it
Between the annulus that is formed.Two base bearings 610,620 are able to carry out between outer barrel 210 and tooth rest 220 relative
Rotary motion.The general central axis of two base bearings 610,620 can also be with the rotation axis RAX mono- of input gear 120
Cause.One of outer barrel 210 and tooth rest 220 revolve in the presence of the driving force of gear part 400 is delivered to around rotation axis RAX
Turn.The other of outer barrel 210 and tooth rest 220 are fixed in the subject parts (not shown) that geared system 100 is installed.
As shown in figure 5, outer barrel 210 includes substantially cylindric housing 211 and multiple interior alligators 212.Housing 211 and gear
Frame 220 cooperates and forms the columned inner space for housing bent axle assembly 300 and gear part 400.Multiple interior alligators
212 arrange circlewise along the inner peripheral surface of housing 211, and form internal gear.
The generally cylindrical component that multiple interior alligators 212 extend respectively along rotation axis RAX bearing of trend.It is more
Individual interior alligator 212 is respectively embedded into the groove portion for the inner peripheral surface for being formed on housing 211.Thus, multiple interior alligators 212 are respectively by housing
211 are properly maintained.
As shown in figure 5, multiple interior alligators 212 are configured circlewise with constant interval around rotation axis RAX.Multiple internal tooths
Respective half side face of pin 212 protrudes from the inner peripheral surface of housing 211 towards rotation axis RAX.Thus, multiple interior conducts of alligator 212
Multiple internal tooths for being engaged with gear part 400 and play function.In the present embodiment, internal tooth is respectively by multiple interior alligators 212
Show.
As shown in figure 5, tooth rest 220 includes base portion 230 and end plate 240.Tooth rest 220 is cylindrical on the whole.End plate
240 in substantially circular plate shape.The side face of end plate 240 is partly surrounded by outer barrel 210.Base bearing 620 is embedded in the week of end plate 240
The space of the ring-type formed between face and outer barrel 210.
Base portion 230 includes substantially discoideus baseplate part 231 (reference picture 5) and 3 axle portions 232 (reference picture 6).Baseplate part
231 side face is partly surrounded by outer barrel 210.Base bearing 610 is embedded between the side face of baseplate part 231 and outer barrel 210 and formed
Ring-type space.Baseplate part 231 separates on rotation axis RAX extended direction with end plate 240.Baseplate part 231 with
End plate 240 is substantially coaxial.I.e., rotation axis RAX is equivalent to baseplate part 231 and the central axis of end plate 240.
Baseplate part 231 includes the outer surface 234 of inner surface 233 and the side opposite with inner surface 233.Inner surface 233 with
Gear part 400 is relative.Inner surface 233 and outer surface 234 are along the imaginary plane (not shown) orthogonal with rotation axis RAX.
(Fig. 5 shows 1 in 3 holding through holes 236 for middle thereof hole 235 (reference picture 5) and 3 holding through holes 236
It is individual) it is formed at baseplate part 231.Prolong along rotation axis RAX between inner surface 233 and outer surface 234 in middle thereof hole 235
Stretch.Central axis of the rotation axis RAX equivalent to middle thereof hole 235.3 holding through hole 236 central axis with rotation
3 almost parallel shaft axis RAX axis transfer TX1, TX2, TX3 (Fig. 5 only shows axis transfer TX1) are consistent respectively.3 guarantors
Through hole 236 is held along 3 axis transfers TX1, TX2, TX3 between inner surface 233 and outer surface 234 to extend.Bent axle assembles
A part for body 300, which is configured at, to be kept in through hole 236.
End plate 240 includes the outer surface 244 of inner surface 243 and the side opposite with inner surface 243.Inner surface 243 and tooth
Wheel portion 400 is relative.Inner surface 243 and outer surface 244 are along the imaginary plane (not shown) orthogonal with rotation axis RAX.
(Fig. 5 shows 1 in 3 holding through holes 246 for middle thereof hole 245 (reference picture 5) and 3 holding through holes 246
It is individual) it is formed at end plate 240.Middle thereof hole 245 extends along rotation axis RAX between inner surface 243 and outer surface 244.
Central axis of the rotation axis RAX equivalent to middle thereof hole 245.3 keep through hole 246 respectively along 3 axis transfers
TX1, TX2, TX3 extend between inner surface 243 and outer surface 244.3 axis transfers TX1, TX2, TX3 are respectively equivalent to 3
Keep the central axis of through hole 246.A part for bent axle assembly 300, which is configured at, to be kept in through hole 246.It is formed at end plate
3 of 240 keep through hole 246 to keep through hole 236 substantially coaxial with being formed at 3 of baseplate part 231 respectively.
Inner surface 243 of 3 axle portions 232 respectively from the inner surface 233 of baseplate part 231 towards end plate 240 extends.End plate
240 are connected with 3 232 respective top end faces of axle portion.End plate 240 can also utilize driving fit bolt, alignment pin, other are appropriate
Technique for fixing and be connected with 3 232 respective top end faces of axle portion.The principle of present embodiment is not limited to end plate 240 and distinguished
With the specific interconnection technique between 3 axle portions 232.
As shown in figure 5, gear part 400 be configured at the inner surface 233 of baseplate part 231 and end plate 240 inner surface 243 it
Between.3 axle portions 232 penetrate gear part 400 and are connected with end plate 240.
As shown in figure 5, gear part 400 includes two wobble gears 410,420.Wobble gear 410 be configured at end plate 240 with
Between wobble gear 420.Wobble gear 420 is configured between baseplate part 231 and wobble gear 410.Wobble gear 410,420
Can be trochoid gear, cycloid gear based on general design drawing formation.
Wobble gear 410,420 includes the multiple external tooths 430 (reference picture 6) protruded towards the inwall of housing 211 respectively.If
Bent axle assembly 300 rotates around axis transfer TX1, TX2, TX3, then wobble gear 410,420 one side make multiple external tooths 430 with it is more
Individual interior alligator 212 engages, while the convolution movement (i.e., swing rotary) in housing 211.During this period, wobble gear 410,420
Center around rotation axis RAX circle round.The rotation of outer barrel 210 or tooth rest 220 is drawn by the swing rotary of wobble gear 410,420
Rise.
Spur gear 111,112,113 is involute gear, therefore, from spur gear 111,112,113 and input gear 120 it
Between engaging portion caused by noise be easy to than from engaging between the wobble gear 410,420 and outer barrel 210 of trochoid gear
Noise is big caused by part.Thus, the roughness curve extended along the tooth form direction of the flank of tooth of spur gear 111,112,113
Maximum peak height is set to the maximum peak height of the roughness curve of the tooth form direction extension than the flank of tooth along wobble gear 410,420
Small value.
As needed, in the same manner as spur gear 111,112,113, wobble gear 410,420 can also have formed with edge
The flank of tooth of the grinding marks of tooth form direction extension.In this case, engaging between wobble gear 410,420 and outer barrel 210
Noise is suppressed to extremely low level caused by part.The grinding marks of wobble gear 410,420 can also by free abrasive, grind
Mill film is formed.The principle of present embodiment is not limited to grind for forming the specific of grinding marks in wobble gear 410,420
Mill technology.
Middle thereof hole 411 is formed at the center of wobble gear 410.Middle thereof hole 421 is formed at wobble gear 420
Center.Middle thereof hole 411 connects with the middle thereof hole 245 of end plate 240 and the middle thereof hole 421 of wobble gear 420.
Middle thereof hole 421 connects with the middle thereof hole 235 of baseplate part 231 and the middle thereof hole 411 of wobble gear 410.
As shown in fig. 6,3 circular through holes 422 are formed at wobble gear 420.Similarly, 3 circular through holes are formed
In wobble gear 410.The circular through hole 422 of wobble gear 420 and the circular through hole and baseplate part of wobble gear 410
231 and end plate 240 holding through hole 236,246 cooperation and form the receiving space for housing bent axle assembly 300.
3 trapezoidal through holes 413 (Fig. 5 shows 1 in 3 trapezoidal through holes 413) are formed at wobble gear 410.3
Trapezoidal through hole 423 (reference picture 6) is formed at wobble gear 420.The axle portion 232 of tooth rest 220 penetrate trapezoidal through hole 413,
423.The size of trapezoidal through hole 413,423 is determined in the way of interfering in a manner of not with axle portion 232.
3 bent axle assemblies 300 include 320, two bearings of journals 331,332 of bent axle and two crankshaft bearings respectively
341、342.Bent axle 320 includes the 1st axle journal 321, the 2nd axle journal 322, the 1st eccentric part 323 and the 2nd eccentric part 324.1st axle
Neck 321 inserts the holding through hole 246 of end plate 240.2nd axle journal 322 inserts the holding through hole 236 of baseplate part 231.Journal shaft
Hold the annulus between the inwall of the formation holding through hole 246 of the axle journal 321 of 331 insertion the 1st and end plate 240.As a result, the
1 axle journal 321 links with end plate 240.The formation of the axle journal 322 of the insertion of the bearing of journals 332 the 2nd and baseplate part 231 keeps through hole 236
Inwall between annulus.As a result, the 2nd axle journal 322 links with baseplate part 231.Thus, tooth rest 220 can be appropriate
Ground supports 3 bent axle assemblies 300.As shown in figure 1, spur gear 111,112,113 is spent with the 1st corresponding axle journal 321 respectively
Bond is closed.
1st eccentric part 323 is between the 1st axle journal 321 and the 2nd eccentric part 324.2nd eccentric part 324 is located at the 2nd axle journal
Between 322 and the 1st eccentric part 323.The circular insertion of formation of the eccentric part 323 of the insertion of crankshaft bearing 341 the 1st and wobble gear 410
Annulus between the inwall in hole.As a result, wobble gear 410 is installed on the 1st eccentric part 323.The insertion of crankshaft bearing 342 the
Annulus between the inwall of the circular through hole 422 of formation of 2 eccentric parts 324 and wobble gear 420.As a result, swing tooth
Wheel 420 is installed on the 2nd eccentric part 324.
1st axle journal 321 and the 2nd axle journal 322 are substantially coaxial, and around corresponding axis transfer (i.e., axis transfer TX1,
1 in TX2, TX3) rotation.1st eccentric part 323 and the 2nd eccentric part 324 be respectively formed as it is cylindric, relative to corresponding
Axis transfer is eccentric.1st eccentric part 323 and the 2nd eccentric part 324 are respectively relative to corresponding axis transfer eccentric rotary, and
Swing rotary is assigned to wobble gear 410,420.If outer barrel 210 is fixed, the swing rotary conversion of wobble gear 410,420
Into the circumnutation around rotation axis RAX of bent axle 320.End plate 240 and the axle journal 321 of baseplate part 231 and the 1st and the 2nd axle journal 322
Link respectively, therefore, the circumnutation of bent axle 320 is converted into the rotation around rotation axis RAX of end plate 240 and baseplate part 231
Motion.Convolution phase difference between wobble gear 410,420 is by the eccentric direction between the 1st eccentric part 323 and the 2nd eccentric part 324
Difference determine.If tooth rest 220 is fixed, the swing rotary of wobble gear 410,420 be converted into outer barrel 210 around rotation
Axis RAX rotary motion.
The embodiments of ＜ the 3rd>
The grinding marks extended along tooth form direction can also be formed by various methods.As long as free abrasive is used in grinding
The formation of trace, form grinding marks with being easy for.In the 3rd embodiment, illustrate for forming grinding along the extension of tooth form direction
The grinding technique of the illustration of polishing scratch.
Fig. 7 is the concept map of the lapping device 140 of the 3rd embodiment.Reference picture 1 and Fig. 7 illustrate lapping device 140.
Fig. 7 is also represented by the 1st involute gear 150 in addition to representing lapping device 140.1st involute gear 150 is pacified
Loaded on lapping device 140.Lapping device 140 can also possess the shaft component that is kept into the 1st involute gear 150 and can rotate
(not shown).1st involute gear 150 is also used as input gear 120.Alternatively, the 1st involute gear 150 also may be used
For use as 1 in spur gear 111,112,113.
Lapping device 140 includes the 2nd involute gear 160.2nd involute gear 160 is also used as to the 1st involute
The special instrument that the flank of tooth of gear 150 is ground.Alternatively, the 2nd involute gear 160 can also be from lapping device
140 dismountings, and as 1 in spur gear 111,112,113.
Lapping device 140 also includes nozzle 141.Free abrasive is blown out from nozzle 141, to the 1st involute gear 150 with
Engaging portion supply between 2nd involute gear 160.
1st involute gear 150 is installed on lapping device 140 by the operator for being ground operation, and make its with the 2nd gradually
Involute gear 160 engages.In order that rightly being engaged between the 1st involute gear 150 and the 2nd involute gear 160, the 1st gradually
The modulus of involute gear 150 is consistent with the modulus of the 2nd involute gear 160.
Afterwards, operator drives the 2nd involute gear 160, makes the 1st involute gear 150 and the 2nd involute gear 160
Rotation.Operator makes free abrasive be sprayed from nozzle 141.As a result, free abrasive is gradually opened to the 1st involute gear 150 with the 2nd
Engaging portion supply between line gear 160.
Engaging portion between the 1st involute gear 150 and the 2nd involute gear 160, the 1st involute gear 150
The flank of tooth relatively moves relative to the flank of tooth of the 2nd involute gear 160 along tooth form direction.Free abrasive is between the 1st involute
Between the flank of tooth of the flank of tooth of gear 150 and the 2nd involute gear 160, therefore, gradually opened in the 1st involute gear 150 and the 2nd
The grinding marks extended along tooth form direction is efficiently formed in the flank of tooth of line gear 160.
Free abrasive can connect between the flank of tooth of the 1st involute gear 150 and the flank of tooth of the 2nd involute gear 160
The higher part of touch pressure (the i.e., tooth corresponding with pitch diameter of the 1st involute gear 150 and the 2nd involute gear 160
Face region) flank of tooth of the 1st involute gear 150 and the 2nd involute gear 160 is efficiently ground.
As shown in fig. 7, the 2nd involute gear 160 has the tooth more than the tooth than the 1st involute gear 150.Thus, the 2nd gradually
The involute gear 150 of involute gear 160 to the 1 is difficult to wear.Operator the 2nd involute gear 160 can be continued with
The grinding of other gears.
The number of teeth of 2nd involute gear 160 can also be prime number.In this case, the 1st involute gear 150 is specific
The flank of tooth and the frequency of the specific face of the 2nd involute gear 160 become very small.This means the 1st involute teeth
Wheel 150 1 flank of tooth relative to the 2nd involute gear 160 various flank of tooth swipings.Thus, the tooth of the 1st involute gear 150
Face shape is homogenized in the range of whole teeth of the 1st involute gear 150.
Lapping device 140 can also have the machine for being used for that the 1st involute gear 150 to be pressed on to the 2nd involute gear 160
Structure (such as spring mechanism, cylinder mechanism：It is not shown).In this case, operator can also press the 1st involute gear 150
In the 2nd involute gear 160, and drive the 2nd involute gear 160.As a result, the grinding formed in the 1st involute gear 150
Trace is elongated along tooth form direction.
The tooth height of 2nd involute gear 160 can also be taller and bigger than the tooth of the 1st involute gear 150.In this case, exist
The grinding marks that 1st involute gear 150 is formed is elongated also along tooth form direction.
The embodiments of ＜ the 4th>
The grinding technique being illustrated in association with the 3rd embodiment can also be directly applied for geared system.
In 4th embodiment, illustrate for the flank of tooth of the spur gear to being encased in geared system and the flank of tooth of input gear while enter
The grinding technique of the illustration of row grinding.
Fig. 8 is the front view of the outline for the geared system 100 for receiving milled processed.Reference picture 8 illustrates to geared system 100
The milled processed of progress.
Fig. 8 represents casing 142.Casing 142 is placed on outer barrel 210 by the operator for being ground operation, makes outer barrel 210 and tooth
Wheel carrier 220 is isolated relative to spur gear 111,112,113 with the engaging portion between input gear 120.Outer barrel 210 and tooth rest
One of 220 can also be fixed in casing 142.
Afterwards, operator drives input gear 120.As a result, spur gear 111,112,113 is together with input gear 120
Rotation.In a same manner as in the third embodiment, operator is to the engaging portion between spur gear 111,112,113 and input gear 120
Supply free abrasive.As a result, formed in spur gear 111,112,113 and the 120 respective flank of tooth of input gear along tooth form
The grinding marks of direction extension.
The alignment error of input gear 120 and spur gear 111,112,113, other foozles be reflected in spur gear 111,
112nd, the grinding of the flank of tooth of 113 flank of tooth and input gear 120.Thus, the flank of tooth of spur gear 111,112,113 and input
The flank of tooth of gear 120 automatically adapts to the intrinsic characteristic of geared system 100.Such as the position that contact between the flank of tooth is higher
More ground by free abrasive.On the other hand, the relatively low position of contact is less ground by free abrasive.As a result,
Obtain the contact close to design load.
Can also be that during free abrasive is supplied, gas as air supplies into casing 142.In casing 142
Environment be supplied to come gas be kept into high pressure.As a result, the gear mechanism of outer barrel 210, tooth rest 220 and inside is (not
Diagram) it is protected from the influence of free abrasive.
The design principle being illustrated in association with above-mentioned various embodiments can be applied to various gears and fill
Put.It can also be fitted with the part in 1 various features being illustrated in association in above-mentioned various embodiments
For the geared system being illustrated in association with another embodiment.
Mainly possesses following feature with the technology that above-mentioned embodiment is illustrated in association.
The geared system of one technical scheme of above-mentioned embodiment possesses：Be formed as multiple commutating tooths of involute gear
Wheel；And input gear, it is engaged with the multiple spur gear, and makes the multiple spur gear synchronous rotary.It is the multiple just
Gear has the flank of tooth formed with the grinding marks extended along tooth form direction respectively.
According to above-mentioned structure, multiple spur gears have the tooth formed with the grinding marks extended along tooth form direction respectively
Face, therefore, the direction of the slip between the respective flank of tooth of multiple spur gears and the flank of tooth of input gear is along grinding marks.Thus,
Even if the tooth surface shape of multiple spur gears is not quite identical, even if or, the pivot of multiple spur gears is relative in design
Pivot deviate, larger noise is also difficult to engaging portion between input gear and multiple spur gears and produced.
Or, the input gear has formed with the grinding extended along tooth form direction on above-mentioned structure
The flank of tooth of trace.
According to above-mentioned structure, input gear has the flank of tooth formed with the grinding marks extended along tooth form direction, therefore,
The direction of slip between the respective flank of tooth of multiple spur gears and the flank of tooth of input gear is along in input gear and multiple commutating tooths
Take turns the grinding marks formed.Thus, the engaging portion that larger noise is difficult between input gear and multiple spur gears produces.
On above-mentioned structure or, on the tooth form direction of 1 spur gear in the multiple spur gear
Roughness curve in the trace direction of 1 spur gear in the multiple spur gear of maximum ratio of peak of roughness curve
Maximum peak height it is small.
According to above-mentioned structure, the maximum of the roughness curve on the tooth form direction of 1 spur gear in multiple spur gears
The maximum peak height of roughness curve in the trace direction of 1 spur gear in the multiple spur gears of ratio of peak is small, therefore, in commutating tooth
Caused noise is effectively reduced during the flank of tooth of wheel and the gear tooth friction of input gear.
On above-mentioned structure or, from the tooth form direction of 1 spur gear in the multiple spur gear
Roughness curve obtain arithmetic average roughness than the trace direction from 1 spur gear in the multiple spur gear
On roughness curve obtain arithmetic average roughness it is small.
According to above-mentioned structure, obtained from the roughness curve on the tooth form direction of 1 spur gear in multiple spur gears
Arithmetic average roughness than the arithmetic that is obtained from the roughness curve in the trace direction of 1 spur gear in multiple spur gears
Mean roughness is small, and therefore, caused noise is effectively reduced during the flank of tooth of spur gear and the gear tooth friction of input gear.
On above-mentioned structure or, in input gear and spur gear at least any one, more preferably both
, input gear and the discontiguous root portions of spur gear do not form the grinding marks.
According to above-mentioned structure, the tooth of object will not hit on the root portions not contacted with input gear of multiple spur gears
And/or the root portions not contacted with spur gear of input gear, therefore, even if not forming grinding marks for the part,
Relatively low noise level can be reached.
Or, geared system possesses on above-mentioned structure：Outer barrel, it, which has, surrounds predetermined rotation axis
Inner peripheral surface formed with multiple internal tooths；Wobble gear, it is engaged with the multiple internal tooth；Multiple bent axle assemblies, its with it is described
Multiple spur gears link respectively, and swing rotation according to being assigned from the driving force that the input gear inputs to the wobble gear
Turn, so that the center of the wobble gear is circled round around the rotation axis；And tooth rest, it supports the multiple bent axle assembling
Body, and relatively rotated around the rotation axis relative to the outer barrel.Can also be that the wobble gear has formed with edge
The flank of tooth of the grinding marks of tooth form direction extension.
According to above-mentioned structure, wobble gear has the flank of tooth formed with the grinding marks extended along tooth form direction, therefore,
The direction for the slip being formed between the respective flank of tooth of multiple internal tooths of outer barrel and the flank of tooth of wobble gear is along in wobble gear
The grinding marks of formation.Thus, the engaging portion that larger noise is difficult between wobble gear and multiple internal tooths produces.
On above-mentioned structure or, on the tooth form direction of 1 spur gear in the multiple spur gear
The maximum peak height of roughness curve described in the maximum ratio of peak of roughness curve on the tooth form direction of wobble gear is small.
According to above-mentioned structure, the maximum peak of roughness curve on the tooth form direction of 1 spur gear in multiple spur gears
High smaller than the maximum peak height of the roughness curve on the tooth form direction of wobble gear, therefore, larger noise is difficult to from input tooth
Engaging portion between wheel and multiple spur gears produces.
The manufacture method of the involute gear of another technical scheme of above-mentioned embodiment possesses：Drive the 1st involute
The process of gear and the 2nd involute gear engaged with the 1st involute gear；And to the 1st involute gear with
The process of engaging portion supply free abrasive between 2nd involute gear.
According to above-mentioned structure, free abrasive is by the engaging portion between the 1st involute gear and the 2nd involute gear
Supply, therefore, the grinding marks extended along tooth form direction are formed at the flank of tooth and the 2nd involute gear of the 1st involute gear
The flank of tooth.The direction of slip between the flank of tooth or the flank of tooth of the 2nd involute gear and the flank of tooth of other gears of 1st involute gear
Along the grinding marks formed in the flank of tooth of the 1st involute gear or the flank of tooth of the 2nd involute gear, therefore, larger noise is difficult
To be produced from the engaging portion between the 1st involute gear or the 2nd involute gear and other gears.
Or, the 2nd involute gear has the tooth than the 1st involute gear on above-mentioned structure
The more number of teeth of number.
According to above-mentioned structure, the 2nd involute gear has the number of teeth more than the number of teeth than the 1st involute gear, because
This, the 2nd involute gear is difficult to wear than the 1st involute gear.Thus, the 2nd involute gear, which can properly use, to be acted on
The lapping apparatus being ground to the flank of tooth of the 1st involute gear.
Or, the number of teeth of the 2nd involute gear is prime number on above-mentioned structure.
According to above-mentioned structure, the number of teeth of the 2nd involute gear is prime number, therefore, the tooth of the 1st involute gear be easy to
The different tooth collision of 2nd involute gear.As a result, shape is homogenized in multiple between cog of the 1st involute gear.
Or, the 2nd involute gear has the tooth than the 1st involute gear on above-mentioned structure
Tall and big tooth is high.
According to above-mentioned structure, the 2nd involute gear is high with the tooth taller and bigger than the tooth of the 1st involute gear, therefore,
The flank of tooth of 1st involute gear is formed along the sufficiently long grinding marks in tooth form direction.
Or, the work of the 1st involute gear and the 2nd involute gear is driven on above-mentioned structure
Sequence includes assigning the step of the 1st involute gear is pressed on into the power of the 2nd involute gear.
According to above-mentioned structure, the process of the 1st involute gear and the 2nd involute gear is driven to include assigning the 1st gradually
Involute gear presses on the step of power of the 2nd involute gear, therefore, is formed in the flank of tooth of the 1st involute gear along tooth form
The sufficiently long grinding marks in direction.
On above-mentioned structure or, the modulus of the 1st involute gear and the 2nd involute gear
Modulus is equal.
According to above-mentioned structure, the modulus of the 1st involute gear is equal with the modulus of the 2nd involute gear, therefore, the 1st
Involute gear can rightly engage with the 2nd involute gear.
The manufacture method of the geared system of the another technical scheme of above-mentioned embodiment possesses：Driving is formed as involute
The process of gear and the input gear engaged with being encased in multiple spur gears of geared system；To the input gear with it is described
The process of engaging portion supply free abrasive between multiple spur gears；And the state engaged in input gear with spur gear
Under, by making the rotation of two gears the process that is ground to the engaging portion.
According to above-mentioned structure, driving is formed as involute gear and multiple spur gears with being encased in geared system are nibbled
The input gear of conjunction, therefore, free abrasive can be automatically ground to the flank of tooth of input gear and multiple spur gears, with
Make the lower noise from the engaging portion of input gear and multiple spur gears.
Industrial applicability
The principle of above-mentioned embodiment can rightly be used in various geared systems.
Claims (13)
1. a kind of geared system, it possesses：
Be formed as multiple spur gears of involute gear；And
Engaged with the multiple spur gear and make the input gear of the multiple spur gear synchronous rotary,
The multiple spur gear has the flank of tooth formed with the grinding marks extended along tooth form direction respectively.
2. geared system according to claim 1, wherein,
The input gear has the flank of tooth formed with the grinding marks extended along tooth form direction.
3. geared system according to claim 1 or 2, wherein,
It is more described in the maximum ratio of peak of roughness curve on the tooth form direction of 1 spur gear in the multiple spur gear
The maximum peak height of roughness curve in the trace direction of 1 spur gear in individual spur gear is small.
4. geared system according to claim 1 or 2, wherein,
From the arithmetic mean roughness that roughness curve obtains on the tooth form direction of 1 spur gear in the multiple spur gear
Degree is thicker than the arithmetic average obtained from the roughness curve in the trace direction of 1 spur gear in the multiple spur gear
Rugosity is small.
5. geared system according to claim 1 or 2, wherein,
Do not connect with the spur gear at least one of the input gear and the spur gear, described input gear
Tactile root portions do not form the grinding marks.
6. geared system according to claim 1 or 2, wherein,
The geared system possesses：
Outer barrel, it has the inner peripheral surface that the formation for surrounding predetermined rotation axis has multiple internal tooths；
Wobble gear, it is engaged with the multiple internal tooth；
Multiple bent axle assemblies, it links respectively with the multiple spur gear, and according to the driving inputted from the input gear
Power assigns swing rotary to the wobble gear, so that the center of the wobble gear is circled round around the rotation axis；And
Tooth rest, it supports the multiple bent axle assembly, and is relatively rotated relative to the outer barrel around the rotation axis,
The wobble gear has the flank of tooth formed with the grinding marks extended along tooth form direction.
7. geared system according to claim 6, wherein,
Pendulum described in the maximum ratio of peak of roughness curve on the tooth form direction of 1 spur gear in the multiple spur gear
The maximum peak height of roughness curve on the tooth form direction of moving gear is small.
8. a kind of manufacture method of involute gear, it possesses：
The process for driving the 1st involute gear and the 2nd involute gear engaged with the 1st involute gear；And
To the process of the engaging portion supply free abrasive between the 1st involute gear and the 2nd involute gear.
9. manufacture method according to claim 8, wherein,
2nd involute gear has the number of teeth more than the number of teeth than the 1st involute gear.
10. manufacture method according to claim 8 or claim 9, wherein,
The number of teeth of 2nd involute gear is prime number.
11. manufacture method according to claim 8 or claim 9, wherein,
2nd involute gear has the tooth taller and bigger than the tooth of the 1st involute gear high.
12. manufacture method according to claim 11, wherein,
The process of the 1st involute gear and the 2nd involute gear is driven to include assigning the 1st involute gear
The step of pressing on the power of the 2nd involute gear.
13. a kind of manufacture method of geared system, it possesses：
The process for driving the input gear for being formed as involute gear and being engaged with being encased in multiple spur gears of geared system；
To the process of the engaging portion supply free abrasive between the input gear and the multiple spur gear；And
In the state of the input gear has engaged with the spur gear, by making the rotation of two gears come to the engaging portion
The process being ground.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-107107 | 2016-05-30 | ||
| JP2016107107A JP6704296B2 (en) | 2016-05-30 | 2016-05-30 | Gear device, involute gear manufacturing method, and gear device manufacturing method |
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| CN107448580A true CN107448580A (en) | 2017-12-08 |
| CN107448580B CN107448580B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710368023.1A Active CN107448580B (en) | 2016-05-30 | 2017-05-23 | Gear device, method for manufacturing involute gear, and method for manufacturing gear device |
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| Country | Link |
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| JP (1) | JP6704296B2 (en) |
| KR (1) | KR102390794B1 (en) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679190A (en) * | 2018-06-06 | 2018-10-19 | 重庆大学 | Novel flexible offset-type gear robot retarder |
| CN109570643A (en) * | 2018-12-20 | 2019-04-05 | 大连理工大学 | A kind of high class gear flank of tooth transforms into burnishing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3085651B1 (en) * | 2018-09-10 | 2023-10-27 | Valeo Systemes Dessuyage | MECHANICAL REDUCER AND ASSOCIATED MOTOR-REDUCER |
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| JPS61178113A (en) * | 1985-01-31 | 1986-08-09 | Mitsubishi Heavy Ind Ltd | Gear grinding method using gear-shaped wheel |
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| CN108679190A (en) * | 2018-06-06 | 2018-10-19 | 重庆大学 | Novel flexible offset-type gear robot retarder |
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| CN109570643A (en) * | 2018-12-20 | 2019-04-05 | 大连理工大学 | A kind of high class gear flank of tooth transforms into burnishing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107448580B (en) | 2022-02-18 |
| JP2017214941A (en) | 2017-12-07 |
| KR102390794B1 (en) | 2022-04-26 |
| JP6704296B2 (en) | 2020-06-03 |
| KR20170135688A (en) | 2017-12-08 |
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