CN110216440A - The device and method of automatic transmission sun wheel assembly high-precision control surface profile - Google Patents
The device and method of automatic transmission sun wheel assembly high-precision control surface profile Download PDFInfo
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- CN110216440A CN110216440A CN201810172359.5A CN201810172359A CN110216440A CN 110216440 A CN110216440 A CN 110216440A CN 201810172359 A CN201810172359 A CN 201810172359A CN 110216440 A CN110216440 A CN 110216440A
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- gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
A kind of device and method of automatic transmission sun wheel assembly high-precision control surface profile, the device includes: to be set to outer ring used for positioning positioning pressure head in upper fixture body and the intermediate pressure head for press-fitting and the hub support seat and gear positioning seat that are oppositely arranged with upper fixture body, wheel hub is set between outer ring positioning pressure head, intermediate pressure head and hub support seat, gear is set in gear positioning seat and face wheel hub to be processed, and outer ring positioning pressure head and intermediate pressure head lock difference in height between the two after completing positioning and integrally push and realize interference fit.The present invention is in laser welding and hard turner sequence to process the high-precision surface profile tolerance of special construction part as design requirement, wheel hub deformation can be reduced, the surface profile of assembly part is made to control in exact extension and avoid the need for hard vehicle profile tolerance correlation spline measuring surface bring extra cost.
Description
Technical field
The present invention relates to a kind of technology of automobile manufacturing field, specifically a kind of automatic transmission sun wheel assembly is high
The device and method of precision controlling surface profile.
Background technique
In certain AT automatic transmission kernel component manufacturing process, need wheel hub and two parts of gear using laser
Welding equipment welds together, and is processed into sun wheel assembly part, and the wheel hub spline measuring surface surface profile of fabricated part is wanted
It asks as 0.25mm.Assembly part machined surface benchmark is gear large end face, diameter 59.55mm, and wheel hub spline planar diameter is
165.67mm, because hub diameter is larger, the depth of parallelism of spline plane can be amplified by diameter proportion, in addition wheel hub spline measuring surface
Technique is punching press, shearing process, and flatness is in 0.07mm~0.1mm, plane out-of-flatness, and wheel hub is press-fitted face and spline measuring surface
Height and the depth of parallelism are also unstable, and the hard axle bearing surface, outer ring face and hard vehicle another side process meeting stress after in addition welding are released
It puts, is deformed, influence wheel hub spline measuring surface height.When trial-production, sun wheel assembly fabricated part wheel hub spline measuring surface face
The qualification rate of profile tolerance is only 70%.In order to guarantee the precision of the face outline degree of part spline measuring surface after welding, welding
When wheel hub and gear are press-fitted together by preceding use press, relative dimensions be must be strictly controlled, so the design of press fitting device is wanted
Deformation when according to the working principle of press and the accuracy of manufacture and the structure and press-fitting of part, comprehensively considers, reaches face
The required precision of profile tolerance.Also, if directly controlling surface profile, hard wheel hub spline measuring surface is needed, in order to avoid heat
Hard vehicle increases relevant cost afterwards, and this method reaches the required precision of finished product surface profile by the control method of dimension chain.
Summary of the invention
The present invention In view of the above shortcomings of the prior art, proposes that a kind of automatic transmission sun wheel assembly high-precision is controlled
The device and method of surface profile processed processes the high-precision surface profile of special construction part in laser welding and hard turner sequence
Degree is design requirement, can reduce wheel hub deformation, and so that the surface profile of assembly part is controlled in exact extension and is avoided needs
Want hard vehicle profile tolerance correlation spline measuring surface bring extra cost.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of devices of automatic transmission sun wheel assembly high-precision control surface profile, comprising: setting
It outer ring used for positioning positioning pressure head and is oppositely arranged for the intermediate pressure head of press-fitting and with upper fixture body in upper fixture body
Hub support seat and gear positioning seat, in which: wheel hub to be processed is set to outer ring positioning pressure head, intermediate pressure head and hub support
Between seat, gear to be processed is set in gear positioning seat and face wheel hub to be processed, and outer ring positioning pressure head and intermediate pressure head exist
Difference in height between the two is locked after completing positioning and integrally pushes realization interference fit.
Press-fitting is realized by the gauge rod and wheel hub centering bar of activity setting between the upper fixture body and gear positioning seat
It the control of height and is coaxially oppositely arranged.
The upper fixture body includes main slide unit and secondary slide unit, in which: outer ring positioning pressure head is set on main slide unit, and is set
Opposite slide and by brake gear realization difference in height locking is placed between the intermediate pressure head on secondary slide unit.
It is equipped with the pre- footstock of wheel hub outside the described hub support seat, passes through the pre- footstock of wheel hub, hub support seat and outer
Delineation position pressure head is accurately positioned wheel hub to be processed.
The intermediate pressure head is equipped with several end face boss, and the internal diameter that end face boss is constituted is less than gear face diameter.
The end face boss is preferably three and is distributed on intermediate pressure head.
The intermediate pressure head is connected with pressure sensor, and the pressure value which will test is exported to pressure
Machine, so that when adjusting fixture, it is automatic if detecting that pressure increases when depressed position has not yet been reached and is not displaced to report
Alert, or when the end face of intermediate pressure head is not parallel to gear face, intermediate pressure head highest point will be contacted with gear face, when pushing, presses
Power increase alarm, alarm height will be more than programmed values, according to institute's contact position, can judge at once where position mistake
Height, and fixture is adjusted, the depth of parallelism can be made to adjust to 0.01mm.
The end face of the end face boss is equipped with chip pocket, so that preventing when interference press-fitting faying face generates trimming, wire drawing
Only tiny wire drawing rests between gear small end face and intermediate pressure head, influences press-fitting height.
The facing groove diameter is between boss internal diameter and intermediate pressure head outer diameter, and when press-fitting, intermediate pressure head diameter is greater than
The part of groove and hub end face contact to be press-fitted play press-fitting, and are less than the projection section of groove diameter, when gear small end
When there is press-fitting height error caused by the factors such as iron filings or gear Height Anomalies in face, end face boss is detected by the sensor
The exception of gear face height position is contacted, and triggers pressure alarm, prevents defective products from generating.
The outer ring positioning pressure head is set there are three positioning convex platform, which applies the principle of 3 points of fixed planes,
By reducing the contact area with wheel hub position portion, to reduce because of positioning surface out-of-flatness bring position error, avoid
The out-of-flatness of spline measuring surface is influenced after by wheel hub Sheet Metal Forming Technology.
The positioning end face of the gear positioning seat is equipped with deep gouge, and the positioning cylindrical surface of gear positioning seat is equipped with recessed
Slot, so that reduce gear positioning end face and centering aperture influences to position because of the factors such as morpheme mismachining tolerance and particle, iron filings
Face positioning, to influence press-fitting height.
The present invention relates to a kind of automatic transmission sun wheel assembly high-precision control surface profile based on above-mentioned apparatus
Device and method positions pressure head positioning and the press-fitting of intermediate pressure head by outer ring when being press-fitted gear, by adjusting two when press-fitting
It is integrally pushed after person's difference in height and locking, and wheel hub intermediate pressure is set with face and gear small end face and processing when being press-fitted gear
Then wheel hub outer ring facial contour is arranged in laser welding process in the difference in height and the depth of parallelism of datum level A opposite gear upper surface
Spend related spline plane to processing datum A height and the depth of parallelism, finally in hard axle bearing surface, that is, surface profile measuring basis
When the C of face, the height and the depth of parallelism of processing datum A to surface profile measurement datum C are set, guaranteeing to influence transmission function
PQC critical size while, indirectly control the height of surface profile correlation plane, avoid hard vehicle spline measuring surface after heat direct
Control surface profile, and the cost generated.And influence surface profile height is deformed according to hard vehicle, this special circumstances is in ruler
The variable of high deformation is set in very little chain, detects and compensates in laser welding process and hard turner sequence, it being capable of better control
Surface profile.
The setting wheel hub intermediate pressure is specifically referred to face and the difference in height and the depth of parallelism of gear small end face: difference in height is set
It is set to -0.05mm~+0.05mm, the depth of parallelism is set as 0~0.02mm.
The height and the depth of parallelism of setting wheel hub outer ring surface profile correlation spline plane to the processing datum A are specific
Refer to: being highly set as 26.07mm~26.27mm, the depth of parallelism is set as 0~0.1mm.
The height and the depth of parallelism of the processing datum A to surface profile measurement datum C specifically refers to: height is arranged
For 25.82mm~25.88mm, the depth of parallelism is set as 0~0.04mm.
The hard vehicle deflection specifically refers to: deflection is -0.03mm~+0.03mm.
Detailed description of the invention
Fig. 1 is sun wheel assembly part surface profile tolerance structural schematic diagram；
Fig. 2 is the dimension chain schematic diagram of Fig. 1；
Fig. 3 is wheel hub press-fitting face, hard axle bearing surface (while being measurement datum C) and outer ring in embodiment sun wheel assembly
Spline measuring surface schematic diagram；
Fig. 4 is embodiment press-fit tool schematic diagram；
Fig. 5 is pressure head schematic diagram among embodiment；
Fig. 6 is that embodiment outer ring positions pressure head schematic diagram；
Fig. 7 is embodiment gear positioning seat schematic diagram；
Fig. 8 and Fig. 9 is the hard turner sequence schematic diagram of embodiment；
In figure: L0Indicate surface profile theoretical value 0.32mm, L1Indicate hard axle bearing surface height PQC size 25.85mm, L234
Height 26.17mm, L of the outer ring spline measuring surface to processing datum A after expression laser welding5Indicate laser welding and hard vehicle
Medium-altitude total deformation is processed, A indicates processing datum, and C indicates the bearing surface of hard Vehicle Processing, while measuring base for profile tolerance
Quasi- face C, D indicate measuring surface, that is, wheel hub outer ring spline surface of 0.25 surface profile；Pressure hub is press-fitted face 1, the hard axle of wheel hub C benchmark
Bearing surface 2, intermediate pressure head 4, outer ring positioning pressure head 5, gear positioning seat 6, gauge rod 7, upper fixture body 8, is used for admittedly wheel hub spline surface 3
Determine the fillister head screw 9, cylinder sliding sleeve 10, screw 11, spring 12, wheel hub branch for fixing outer ring positioning pressure head of upper fixture body
Support seat 13, the pre- footstock 14 of wheel hub, wheel hub centering bar 15, wheel hub 16, gear 17, chip pocket 18, end face boss 19, positioning convex platform
20, positioning cylindrical surface groove 21, positioning end face deep gouge 22, internal point 23, the hard vehicle process face 24 in the first outer ring, the hard vehicle in the second outer ring
Process face 25, wheel hub internal point 26.
Specific embodiment
As shown in Figure 1, being the present embodiment sun wheel assembly part surface profile tolerance structure, spline measuring surface and measuring basis
It is 0.25mm, theoretical size 0.32mm that face C, which requires surface profile tolerance, and 25.85mm is to influence speed changer function as shown in figure 1
The PQC critical size of energy, tolerance are ± 0.03mm.
As shown in Fig. 2, using the control method of dimension chain for the present embodiment: control L first234Size, and according to multiple reality
Data are tested, determine the high deformation amount L of wheel hub5, in conjunction with the variation tendency of actual measurement data, control L1It is high to reach control for size
Spend L0Requirement, reach the high-precision control of surface profile to realize, this process avoids vehicle spline measuring surface hard after heat
The cost for directly controlling surface profile, and generating.Laser welding process controls L234Size 26.17mm.
As shown in figure 3, the pressure hub is press-fitted face 1, hub spindle bearing surface (hard vehicle after need to welding) measures C datum level 2,
Wheel hub spline measuring surface 3.
As shown in fig. 6, the outer ring positioning pressure head 5 realizes positioning using spline measuring surface, outer ring positioning pressure head 5 is set
There are three positioning convex platforms 20 to avoid spline measuring surface out-of-flatness after by wheel hub Sheet Metal Forming Technology using the principle of 3 points of fixed planes
Influence.The outer ring positioning pressure head 5 is set in main slide unit (not shown), (is not shown in figure with secondary slide unit is set to
Intermediate pressure head 4 on out) opposite can slide, and pass through brake gear, lockable difference in height.
As shown in figure 4, the hub support seat 13 is used to support wheel hub 16 to be press-fitted.And pass through the pre- footstock 14 of wheel hub
Realize 16 coarse positioning of wheel hub.Gear 17 is placed in gear positioning seat 6, and the inner hole of footstock positioning cylindrical surface and gear 17 can be real
Existing precision centering.
As shown in figure 4, the wheel hub centering bar 15 declines during pushing, before position portion pass through gear positioning
6 internal points 23 of seat, continue to decline, and interfix partially passes through the internal point 26 of wheel hub, realize that wheel hub 16 and gear 17 are felt relieved.Wheel
15 end face of hub centering bar is contacted with gear face, and wheel hub centering bar 15 stops decline.
As shown in Figure 4 and Figure 5, the intermediate pressure head 4 is set to upper fixture body 8, passes through cylinder with wheel hub centering bar 15
Sliding sleeve 10 can make relative motion up and down and decline together, declined when 15 end face of wheel hub centering bar be contacted with gear face not yet
Cheng Zhong, intermediate pressure head 4 contact elder generation with wheel hub press-fitting face 1, and pass through secondary slide unit realization with outer ring positioning pressure head 5 and relatively move,
When contacting to outer ring positioning pressure head 5 and wheel hub spline surface 3, start to decline together.When 15 end face of wheel hub centering bar and gear face
When contact, wheel hub centering bar 15 stops decline, and spring 12 compresses.Intermediate pressure head 4 will lock opposite move with outer ring positioning pressure head 5
It is dynamic, wheel hub 16 is pushed together, will complete the wheel hub 16 of centering, continues to press to gear face, and wheel hub 16 is prepared to be pressed into gear
End face.
Shown in institute Fig. 4, during device decline, outer ring positioning pressure head 5 is simultaneously declined, three positioning convex platforms 20 and wheel hub flower
When keyboard 3 contacts, the depth of parallelism of recoverable wheel hub 16 makes 16 spline surface 3 of wheel hub be parallel to processing datum A, and with driving wheel
Hub 16 declines together.Gauge rod 7 is set to main slide unit, declines together with outer ring positioning pressure head 5, can measure under outer ring positioning pressure head 5
Drop height after positioning pressure head 5 contacts wheel hub spline measuring surface 3 when outer ring, can measure outer ring positioning pressure head 5 by gauge rod 7 and decline
Highly, after reaching programmed values, the phase that brake gear will lock outer ring positioning pressure head 5 and intermediate pressure head 4 is started by program
To position, last whole pushing is controlled by gauge rod 7 and pushes height, and wheel hub 16 is pressed into gear face to technique requirement height
Such as Fig. 4.
As shown in figure 5, the intermediate pressure head 4 is set, there are three end face boss 19, can quickly adjust pressure head end face and gear
17 depth of parallelism.Because 19 diameter design of end face boss be less than gear face diameter, during intermediate pressure head 4 pushes, if
Intermediate pressure head 4 is not parallel to gear face, and the highest point in three end face boss 19 will encounter gear face, and pressure will exceed pre-
If value, equipment alarm, but height end reaches setting value, at this moment, which position contact is observed, can quickly understand which position is inclined
Tiltedly, it readjusts, so that depressed position is reached program predeterminated position, the depth of parallelism may be adjusted within 0.01mm.Also, it is processing
When, if because 17 height error of gear or end face have press-fitting height end caused by the factors such as iron filings that can lead to up to programmed values
It crosses end face boss 19 and contacts the pressure alarm that gear face generates, prevent defective products from generating.
As shown in figure 5, chip pocket 18 is equipped in three 19 end faces of end face boss, because wheel hub 16 is with gear 17
Interference fit press-fitting, faying face can generate unconspicuous tiny iron filings, i.e., so-called wire drawing phenomenon, the appearance bits of design 0.2mm width
Slot, the wire drawing that interference press-fitting can be effectively prevent to generate rest between gear small end face and intermediate pressure head 4, influence press-fitting height.
And the height for the press-fitting end face 1 that the small end face and wheel hub 16 using special gauge measurement gear 17 Jing Guo Vehicle Processing add through vehicle
Difference avoids wheel hub spline measuring surface 3 because of measurement Sheet Metal Forming Technology formation, that flatness is poor to control 16 compression distance of wheel hub,
The biggish measurement result of variation is obtained, is influenced to press-fitting process adjustment height bring.After the intermediate pressure head 4,
Continuously 30 welding rear sun gear assembly L of measurement234Height dimension 26.17mm and depth of parallelism size, the depth of parallelism are minimum
0.04mm is up to 0.07mm, is highly up to 26.215mm, minimum value 26.11mm, dimensionally stable.And small lot adds
100 parts of work, surface profile qualification rate are 100%, and qualification rate 94% or so, are significantly improved than before.Produce in enormous quantities
Statistics, surface profile qualification rate increase significantly in 99.5%-100%, stability.
As shown in fig. 7, the gear positioning seat 6 is equipped with internal point 23, for feeling relieved.And it is equipped with positioning end face deep gouge
22 and positioning cylindrical surface groove, reduce the factors such as the Form and position error generated when the processing of 17 positioning surface of gear and particle, iron filings, shadow
Positioning surface positioning accuracy is rung, to influence press-fitting height.
As shown in figure 8, controlling 25.85 ± 0.03 measurement datum C height in hard axle bearing surface process after laser welding
Meanwhile surface profile value L0 is measured by special gauge, because the hard vehicle another side of postorder can also generate height change, facial contour value packet
Containing hard vehicle predeformation amount, it is whether normal that hard vehicle deflection can be monitored at any time, and according to deflection trend, finely tunes measurement datum C
With the height of processing positioning surface, L is compensated5Deflection, a step improve surface profile precision.
4 difference in height of outer ring positioning pressure head 5 and intermediate pressure head of the present apparatus, face can be press-fitted according to wheel hub and outer ring spline measures
Face actual height is poor, adjust automatically when press-fitting, then whole to push；And outer ring positioning pressure head 5 is designed as determining for three boss
Position, avoids the influence of spline plane out-of-flatness.The above two o'clock can be eliminated because of 16 foozle of wheel hub, and sun wheel assembly face is given
Profile tolerance, which controls bring, to be influenced, and keeps the press-fitting positioning of fixture and stress more reasonable.It can reduce after wheel hub 16 welds and deform, make
Rear sun gear assembly height tolerance is welded from 0.4mm, is increased to 0.2mm, parallelism tolerance is increased to 0.1mm from 0.2mm.In
Between pressure head 4 three boss and chip pocket design, make the sun wheel assembly surface profile control it is more stable, qualification rate promoted 5%.
The present apparatus makes the kernel component sun wheel assembly of certain 9 gear transmission of type, and surface profile qualification rate reaches 99.5%-
100%.
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the principle of the invention and objective with difference
Mode carry out local directed complete set to it, protection scope of the present invention is subject to claims and not by above-mentioned specific implementation institute
Limit, each implementation within its scope is by the constraint of the present invention.
Claims (13)
1. a kind of automatic transmission sun wheel assembly gear press fitting device characterized by comprising be set in upper fixture body and use
In the outer ring of positioning position pressure head and intermediate pressure head and the hub support seat that is oppositely arranged with upper fixture body for press-fitting and
Gear positioning seat, in which: wheel hub to be processed is set between outer ring positioning pressure head, intermediate pressure head and hub support seat, to be processed
Gear is set in gear positioning seat and face wheel hub to be processed, and outer ring positioning pressure head and intermediate pressure head lock after completing positioning
Difference in height and integrally pushing realization interference fit between the two.
2. automatic transmission sun wheel assembly gear press fitting device according to claim 1, characterized in that the upper folder
The control of press-fitting height and coaxial phase are specifically realized by the gauge rod and wheel hub centering bar of activity setting between gear positioning seat
To setting；The corresponding gear positioning seat is equipped with the internal point cooperated with wheel hub centering bar, makes the press-fitting of wheel hub and gear
Faying face alignment, reduces the generation of trimming, wire drawing, guarantees press-fitting force within the set range.
3. automatic transmission sun wheel assembly gear press fitting device according to claim 1 or 2, characterized in that described
Upper fixture body includes main slide unit and secondary slide unit, in which: outer ring positioning pressure head is set on main slide unit, and is set on secondary slide unit
It is opposite between intermediate pressure head to slide and difference in height locking is realized by brake gear.
4. automatic transmission sun wheel assembly gear press fitting device according to claim 1, characterized in that the wheel hub
It is equipped with the pre- footstock of wheel hub outside support base, pressure head is positioned to be processed by the pre- footstock of wheel hub, hub support seat and outer ring
Wheel hub is accurately positioned.
5. automatic transmission sun wheel assembly gear press fitting device according to claim 1, characterized in that the centre
Pressure head is equipped with several end face boss, and the internal diameter that end face boss is constituted is less than gear face diameter.
6. automatic transmission sun wheel assembly gear press fitting device according to claim 5, characterized in that the end face
Boss is three and is distributed on intermediate pressure head.
7. automatic transmission sun wheel assembly gear press fitting device described according to claim 1 or 5 or 6, characterized in that described
Intermediate pressure head be connected with pressure sensor, the pressure value which will test is exported to press, so that adjusting
When fixture, when the end face of intermediate pressure head is not parallel to gear face, intermediate pressure head highest point will be contacted with gear face, when pushing
Pressure increase alarm is so that the depth of parallelism is adjusted to 0.01mm.
8. automatic transmission sun wheel assembly gear press fitting device according to claim 5 or 6, characterized in that described
The end face of end face boss is equipped with chip pocket, so that preventing tiny wire drawing from stopping when interference press-fitting faying face generates trimming, wire drawing
Between gear small end face and intermediate pressure head, press-fitting height is influenced.
9. automatic transmission sun wheel assembly gear press fitting device according to claim 8, characterized in that the end face
Groove diameter is between boss internal diameter and intermediate pressure head outer diameter, when press-fitting, intermediate pressure head diameter be greater than the part of groove with wait press
With hub end face contact, play press-fitting, and be less than the projection section of groove diameter, when gear small end face has iron filings or gear high
Caused by the factors such as degree exception when press-fitting height error, detect that end face boss contacts gear face height by the sensor
The exception of position, and pressure alarm is triggered, prevent defective products from generating.
10. automatic transmission sun wheel assembly gear press fitting device according to claim 1, characterized in that described is outer
Delineation position pressure head is set there are three positioning convex platform, which applies the principle of 3 points of fixed planes, fixed with wheel hub by reducing
The contact area of bit position avoids after by wheel hub Sheet Metal Forming Technology to reduce because of positioning surface out-of-flatness bring position error
The influence of spline measuring surface out-of-flatness.
11. automatic transmission sun wheel assembly gear press fitting device according to claim 1, characterized in that the tooth
The positioning end face for taking turns positioning seat is equipped with deep gouge, and the positioning cylindrical surface of gear positioning seat is equipped with groove, so that it is fixed to reduce gear
Position end face and centering aperture influence positioning surface positioning, to influence to press because of the factors such as morpheme mismachining tolerance and particle, iron filings
With height.
12. a kind of automatic transmission sun wheel assembly high-precision control facial contour based on any of the above-described claim described device
The method of degree, which is characterized in that when being press-fitted gear, pressure head positioning and the press-fitting of intermediate pressure head are positioned by outer ring, when press-fitting
It is integrally pushed by adjusting the two difference in height and after locking, and wheel hub intermediate pressure is set with face and gear small end when being press-fitted gear
Face is the difference in height and the depth of parallelism of the gear upper surface opposite with processing datum A, and wheel hub then is arranged in laser welding process
Outer ring surface profile correlation spline plane to processing datum A height and the depth of parallelism, finally in hard axle bearing surface, that is, facial contour
When spending measurement datum C, the height and the depth of parallelism of processing datum A to surface profile measurement datum C are set, guaranteeing to influence
While the PQC critical size of transmission function, the height of surface profile correlation plane is indirectly controlled, avoids hard vehicle spline after heat
Measuring surface directly controls surface profile.
13. according to the method for claim 11, characterized in that the described setting wheel hub intermediate pressure is with face and gear face
Difference in height and the depth of parallelism specifically refer to: height difference setting is -0.05mm~+0.05mm, and the depth of parallelism is set as 0~0.02mm；
The height and the depth of parallelism of setting wheel hub outer ring surface profile correlation spline plane to the processing datum A be specifically
Refer to: being highly set as 26.07mm~26.27mm, the depth of parallelism is set as 0~0.1mm；
The height and the depth of parallelism of the processing datum A to surface profile measurement datum C specifically refers to: being highly set as
25.82mm~25.88mm, the depth of parallelism are set as 0~0.04mm.
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| CN201810172359.5A CN110216440A (en) | 2018-03-01 | 2018-03-01 | The device and method of automatic transmission sun wheel assembly high-precision control surface profile |
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| CN201810172359.5A CN110216440A (en) | 2018-03-01 | 2018-03-01 | The device and method of automatic transmission sun wheel assembly high-precision control surface profile |
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