CN110185710A - The research of hub-bearing unit clearance control method - Google Patents
The research of hub-bearing unit clearance control method Download PDFInfo
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- CN110185710A CN110185710A CN201910419389.6A CN201910419389A CN110185710A CN 110185710 A CN110185710 A CN 110185710A CN 201910419389 A CN201910419389 A CN 201910419389A CN 110185710 A CN110185710 A CN 110185710A
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- flange
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- outer ring
- wheelboss
- ring
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of research of hub-bearing unit clearance control method, affiliated hub-bearing unit technical field, the blank including round steel material to be carried out to forging and preparatory processing inner ring, outer ring flange, wheelboss flange reserves enough machining allowance.Then the inner hole to outer ring flange and outer circle carry out roughing again, are then heat-treated to the roughing woollen of inner ring, outer ring flange and wheelboss flange.Finishing passes are carried out as structure change due to crystalline substance after Overheating Treatment.The accessory inner ring of processing, outer ring flange and wheelboss flange and the magnetic gasket of buying, steel ball, retainer and mulit-lip seal ring are subjected to general assembly and upper hydraulic press is pressed.The semi-finished product assembled are controlled into processing of the processing assembly completion to spline pilot hole, outer ring flange flange mounting hole and wheelboss flange flange mounting hole by clearance.Have the advantages that compact-sized, Assembly stability is good, safe and reliable, process optimizes, is high-efficient, clearance is small and long service life.
Description
Technical field
The present invention relates to hub-bearing unit technical fields, and in particular to a kind of hub-bearing unit clearance control method
Research.
Background technique
More using the vehicle of hub-bearing unit currently on the market, wherein the application of third generation hub-bearing unit is most,
Third generation hub-bearing unit uses preload Technique, has preset load, sealed reliable, convenient disassembly, large carrying capacity, collection
The advantages that high at degree.Multifunctional integrated, blocking, miniaturization is furthermore achieved.But due to domestic hub bearing list
First technical application is later, although technological level is mature, that there is also processes is more, trap rate is low, the whole accuracy of form and position of bearing
The disadvantages of not high.To influence production efficiency and product reliability.
Bearing clearance is the gap between bearing roller and bearing internal external circle shell.So-called bearing clearance, i.e. spindle are held
When not being installed on axis or bearing housing, a side of its inner ring or outer ring is fixed, then makes the loose side of bearing clearance
Amount of movement when moving radially or axially.According to moving direction, radial internal clearance and end-play can be divided into.Clearance when operating
The size of (referred to as working gap) has an impact to performances such as the rolling fatigue life of bearing, temperature rise, noise, vibrations.
Automobile hub bearing has required certain clearance during the motion, and this is required to automobilism very
One of important and automobile hub bearing important performance indexes.So automobile hub bearing manufactory is in assembling parts
Shi Bixu carries out carrying out correlated parts stringent detection, by what is strictly calculated, it is made to reach best clearance.Existing operation
All using manually measuring, trial is manually calculated, be primarily present following problems: 1. due to being manually to use manual measurement,
So the efficiency of operation is very low;2. the scattered error of measurement is especially big, and clearance is unable to get good control due to manually using hand measurement
System;3. clearance supporting operation cannot achieve the automation of automobile hub bearing assembly by hand.
Summary of the invention
Present invention mainly solves existing in the prior art, process is more, trap rate is low, the whole accuracy of form and position of bearing is not high, clearance
Greatly, the deficiency that noise is loud and service life is short provides a kind of research of hub-bearing unit clearance control method, has structure
It is compact, Assembly stability is good, the optimization of safe and reliable, process, high-efficient, clearance are small and long service life advantage.Solves operating
When clearance on the influential problem of the performances such as the rolling fatigue life of bearing, temperature rise, noise, vibration.Improve properties of product,
Production technology is optimized, production cost has been saved.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
A kind of research of hub-bearing unit clearance control method, including following operating procedure:
Step 1: round steel material to be carried out to the blank of forging and preparatory processing inner ring, outer ring flange, wheelboss flange, stop in advance
Enough machining allowance, the cutting output of the finishing after guaranteeing after heat treatment rough turn and final assembly again.
Step 2: the inner hole and outer circle to outer ring flange carry out roughing, surplus is 2~3mm, does not process outer ring flange first
(3) Method for Installation flange aperture.It is completed at the same time the inside and outside circle roughing of inner ring, length dimension reserves the surplus of 0.5~1mm, inside and outside circle
The surplus of reserved 1~2mm;And on the basis of wheelboss flange is according to upper and lower machined surface, light outer circular shape size reserves 1~2mm's
Surplus.
Step 3: the roughing woollen to inner ring, outer ring flange and wheelboss flange is heat-treated, so that inner ring, outer ring
The material hardness of flange and wheelboss flange reaches 32~35HRC.
Step 4: the inner ring, outer ring flange and wheelboss flange after Overheating Treatment are since crystalline substance is as structure change, shape ruler
Very little error increases, and waits after cooling down again to the inside and outside circle of inner ring and both ends of the surface length dimension, the overall dimension of outer ring flange and wheel hub
The outer circle and both ends of the surface of flange are finished.
Step 5: clamping benchmark periphery according to wheelboss flange carries out finishing to the axle center positioning light weight chamber of wheelboss flange
Work guarantees that axle center positioning light weight chamber and wheelboss flange clamp the concentricity of benchmark periphery.
Step 6: will be added according to specification and accuracy requirement buying magnetic gasket, steel ball, retainer and mulit-lip seal ring
Accessory inner ring, outer ring flange and the wheelboss flange and the magnetic gasket of buying of work, steel ball, retainer and mulit-lip seal ring carry out
General assembly and upper hydraulic press is pressed.
Step 7: the semi-finished product assembled, which are controlled processing assembly by clearance, completes last finishing step, complete
Spline pilot hole, outer ring flange flange mounting hole and wheelboss flange flange mounting hole.Benchmark periphery is clamped by wheelboss flange
With axle center positioning light weight chamber be benchmark size it is synchronous position spline pilot hole, outer ring flange flange mounting hole and wheelboss flange method
The axle center of blue mounting hole.
The clearance control process of hub-bearing unit semi-finished product includes following operating procedure:
Step 1: positioning light weight chamber and concentricity convex ring seat by axle center fits that formula is nested to be positioned, while passing through benchmark
It compresses half-round clamping ring and wheelboss flange clamps benchmark periphery socket joint type clamping positioning.
Step 2: being slid on scale slide bar by being displaced bearing holder (housing, cover), the centre of scale slide bar according to the hole of required position
Scale is 0mm, and numerical value successively increases to both sides.And be fixed by lock, at this time according to aperture in displacement bearing holder (housing, cover) lower end
The drill bit of corresponding specification on sleeve.
Step 3:, according to the quantity in the hole of annular spread, being driven by angle motor driven shaft coupling after completing a hole
Hub-bearing unit semi-finished product and benchmark compress half-round clamping ring, concentricity convex ring seat synchronous rotary, it is ensured that rotational angle
Precision and concentricity.
Step 4: completing spline pilot hole, outer ring flange flange mounting hole and wheelboss flange flange mounting hole by drill bit
Process, ensure that hub-bearing unit low clearance control.
Preferably, rotation axis drives the bit work on displacement bearing holder (housing, cover), through sliding axle sleeve on guiding axis
Bottom offset realizes the positioning accuracy of punching verticality, and the spacing top lid of guiding axis upper end, which plays, prevents sliding axle sleeve lifting excessively high
And it slips.
Preferably, buffer spring plays the control to displacement bearing holder (housing, cover) falling speed, the inner wall roughness in hole is improved.
Preferably, benchmark, which compresses half-round clamping ring, passes through the positive and negative of screw rod handwheel using the screw rod being fixed on fixed block
Turn, control benchmark compresses half-round clamping ring and moves forward and backward elastic process in chute of base, double finally by fixed block and locking
The auto-lock process of nut realization screw rod.
Preferably, high-precision clearance control pedestal is divided into the rack disk of two mutually movable bearing sockets, with concentricity
The rack disk of convex ring seat one is connected and fixed with angle motor driven shaft coupling phase flange form, another rack disk and guiding
Axis is fixed nested.
Preferably, by the process flow of optimization hub unit inner ring, outer ring flange and wheelboss flange processing, more than adjustment
Design scheme is measured, grinding stress is reduced, mill processing uses piecewise combination grinding process, effectively promotes flange dish type position precision, mention
High product trap rate promotes the product entirety accuracy of form and position.Simplify technique, by bear inner ring grooved railway, outer diameter and counterface using combination
Grinding process, unified inner ring ditch position size improve apolegamy clearance efficiency.By the way that channel and sealed diameter design are adjusted to same
Process is completed, and ditch spacing dimension dispersibility is small, promotes mill processing efficiency, improves apolegamy clearance once offline qualification rate.
Primitive axis diameter, sealing shelves are changed to pass through gold by optimization design surplus and ring flange process flow by original hard vehicle
Rigid idler wheel finishing grinding wheel carries out piecewise combination grinding, by the diameter of axle, channel and sealing shelves simultaneous processing, can utmostly guarantee it
The accuracy of form and position promotes assembly end properties;This technique can effectively reduce the size dispersity of each working position simultaneously, to mention
High product trap rate promotes product overall precision, guarantees product high reliability to greatest extent.
Optimize and Rational Simplification inner ring grinding process, cancellation mill outer diameter process are carried out using emery wheel finishing grinding wheel
Piecewise combination grinding process is by inner ring outer diameter, channel and counterface simultaneous processing, hence it is evident that improves workable efficiency, this technique system
One ditch position size solves the problems, such as that ditch position, ditch diameter, curvature influence clearance when apolegamy, thus realize only measure ditch diameter can
Clearance apolegamy is rapidly completed.For outer ring, channel and sealed diameter are by original independent processing by being ground at piecewise combination
It realizes simultaneous processing, ditch spacing, the variation of curvature is effectively controlled while improving efficiency, improve the primary offline of apolegamy clearance
Qualification rate.
Outer ring flange, inner ring, wheelboss flange are ground using piecewise combination when matching clearance, by outer ring and ring flange
After component measurement, stepping only is carried out to inner ring, choosing corresponding inner ring can be completed clearance apolegamy.Difference and conventional selection steel ball
Rule are worth mode, can utmostly reduce steel ball storage, reduce cost.
The present invention can reach following effect:
The present invention provides a kind of researchs of hub-bearing unit clearance control method, compared with prior art, have structure
It is compact, Assembly stability is good, the optimization of safe and reliable, process, high-efficient, clearance are small and long service life advantage.Solves operating
When clearance on the influential problem of the performances such as the rolling fatigue life of bearing, temperature rise, noise, vibration.Improve properties of product,
Production technology is optimized, production cost has been saved.End-play is promoted to 0.005~0.02mm from 0.03~0.06mm.
Detailed description of the invention
Fig. 1 is hub unit structure sectional view of the invention.
Fig. 2 is clearance control processing assembly structural schematic diagram of the invention.
In figure: magnetic gasket 1, inner ring 2, outer ring flange 3, steel ball 4, retainer 5, mulit-lip seal ring 6, wheelboss flange 7,
Wheelboss flange clamps benchmark periphery 8, and axle center positions light weight chamber 9, and spline pilot hole 10 limits top cover 11, guiding axis 12, sliding
Axle sleeve 13, scale slide bar 14, rotation axis 15, displacement bearing holder (housing, cover) 16, drill bit 17, buffer spring 18, screw rod handwheel 19, screw rod 20,
Locking double nut 21, fixed block 22, chute of base 23, benchmark compression half-round clamping ring 24, angle motor driven shaft coupling 25, coaxially
Convex ring seat 26 is spent, high-precision clearance controls pedestal 27.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to invention is described in further detail.
Embodiment: as depicted in figs. 1 and 2, a kind of research of hub-bearing unit clearance control method, including operate as follows
Step:
Step 1: round steel material to be carried out to the blank of forging and preparatory processing inner ring 2, outer ring flange 3, wheelboss flange 7, reserve
Enough machining allowance, the cutting output of the finishing after guaranteeing after heat treatment rough turn and final assembly again.
Step 2: the inner hole and outer circle to outer ring flange 3 carry out roughing, surplus 2mm does not process outer ring flange 3 first
Method for Installation flange aperture.It is completed at the same time the inside and outside circle roughing of inner ring 2, length dimension reserves the surplus of 1mm, and inside and outside circle is reserved
The surplus of 1mm.And on the basis of wheelboss flange 7 is according to upper and lower machined surface, light outer circular shape size reserves the surplus of 1mm.
Step 3: the roughing woollen to inner ring 2, outer ring flange 3 and wheelboss flange 7 is heat-treated, so that inner ring 2,
The material hardness of outer ring flange 3 and wheelboss flange 7 reaches 35HRC.
Step 4: inner ring 2, outer ring flange 3 and wheelboss flange 7 after Overheating Treatment be since crystalline substance is as structure change, outside
Shape scale error increases, wait it is cooling after the inside and outside circle to inner ring 2 and both ends of the surface length dimension, outer ring flange 3 again overall dimension
It is finished with the outer circle and both ends of the surface of wheelboss flange 7.
Step 5: clamping benchmark periphery 8 according to wheelboss flange carries out essence to the axle center positioning light weight chamber 9 of wheelboss flange 7
Processing guarantees that axle center positioning light weight chamber 9 and wheelboss flange clamp the concentricity of benchmark periphery 8.
Step 6: according to specification and accuracy requirement buying magnetic gasket 1, steel ball 4, retainer 5 and mulit-lip seal ring 6,
By magnetic gasket 1, steel ball 4, retainer 5 and the more lips of the accessory inner ring 2 of processing, outer ring flange 3 and wheelboss flange 7 and buying
Sealing ring 6 carries out general assembly and upper hydraulic press is pressed.
Step 7: the semi-finished product assembled, which are controlled processing assembly by clearance, completes last finishing step, complete
To 7 flange mounting hole of spline pilot hole 10,3 flange mounting hole of outer ring flange and wheelboss flange.Benchmark is clamped by wheelboss flange
Periphery 8 and axle center positioning light weight chamber 9 be the synchronous positioning spline pilot hole 10 of benchmark size, 3 flange mounting hole of outer ring flange and
The axle center of 7 flange mounting hole of wheelboss flange.
The clearance control process of hub-bearing unit semi-finished product includes following operating procedure:
Step 1: positioning light weight chamber 9 by axle center is affixed box-like nested positioning with concentricity convex ring seat 26, while passing through base
Standard compresses half-round clamping ring 24 and wheelboss flange clamps 8 socket joint type clamping of benchmark periphery positioning.Benchmark compresses half-round clamping ring 24 and adopts
Pass through the positive and negative rotation of screw rod handwheel 19 with the screw rod 20 being fixed on fixed block 22, control benchmark compresses half-round clamping ring 24 in pedestal
Elastic process is moved forward and backward in sliding slot 23, the self-locking mistake of screw rod 20 is realized finally by fixed block 22 and locking double nut 21
Journey.
Step 2: being slid on scale slide bar 14 by being displaced bearing holder (housing, cover) 16, scale slide bar 14 according to the hole of required position
Mid-scale be 0mm, numerical value successively to both sides increase, and by lock be fixed, at this time according to aperture displacement bearing
Cover the drill bit 17 of corresponding specification on 16 lower end sleeves.Rotation axis 15 drives 17 rotary work of drill bit on displacement bearing holder (housing, cover) 16,
The positioning accuracy of punching verticality, the limit of 12 upper end of guiding axis are realized in 12 upper and lower displacement of guiding axis by sliding axle sleeve 13
Top cover 11, which plays, prevents sliding axle sleeve 13 to be lifted excessively high and slip.Buffer spring 18 is played to displacement 16 falling speed of bearing holder (housing, cover)
Control, improves the inner wall roughness in hole.
Step 3:, according to the quantity in the hole of annular spread, being driven by angle motor driven shaft coupling 24 after completing a hole
Driving wheel hub bearing unit semi-finished product and benchmark compress half-round clamping ring 24,26 synchronous rotary of concentricity convex ring seat, it is ensured that rotation
The precision and concentricity of angle.High-precision clearance control pedestal 27 is divided into the rack disk of two mutually movable bearing sockets, with
The rack disk of 26 one of concentricity convex ring seat is connected and fixed with 25 phase flange form of angle motor driven shaft coupling, another machine
Frame disk is nested with the fixation of guiding axis 12.
Step 4: completing spline pilot hole 10,7 flange of 3 flange mounting hole of outer ring flange and wheelboss flange by drill bit 17
The process of mounting hole ensure that the low clearance control of hub-bearing unit.
The process flow that inner ring 2, outer ring flange 3 and wheelboss flange 7 by optimizing hub unit are processed, adjustment surplus are set
Meter scheme, reduces grinding stress, and mill processing uses piecewise combination grinding process, effectively promotes flange dish type position precision, improves and produce
Product trap rate promotes the product entirety accuracy of form and position.Simplify technique, by 2 channel of inner ring, outer diameter and counterface using combination grinding
Technique, unified 2 ditch position size of inner ring improve apolegamy clearance efficiency.By the way that channel and sealed diameter design are adjusted to same work
Sequence is completed, and ditch spacing dimension dispersibility is small, promotes mill processing efficiency, improves apolegamy clearance once offline qualification rate.
In conclusion the research of the hub-bearing unit clearance control method, have compact-sized, Assembly stability is good,
Securely and reliably, process optimizes, is high-efficient, clearance is small and long service life advantage.Solve rolling of clearance when operating to bearing
The influential problems of performances such as dynamic fatigue life, temperature rise, noise, vibration.Properties of product are improved, production technology is optimized, are saved
About production cost.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the scope of the patent of the present invention the technical staff in field.
Claims (7)
1. a kind of research of hub-bearing unit clearance control method, it is characterised in that: including following operating procedure:
Step 1: round steel material to be carried out to the blank of forging and preparatory processing inner ring (2), outer ring flange (3), wheelboss flange (7)
Part reserves enough machining allowance, the cutting output of the finishing after guaranteeing after heat treatment rough turn and final assembly again;
Step 2: the inner hole and outer circle to outer ring flange (3) carry out roughing, surplus is 2~3mm, does not process outer ring flange first
(3) Method for Installation flange aperture;It is completed at the same time the inside and outside circle roughing of inner ring (2), length dimension reserves the surplus of 0.5~1mm, inside and outside
The surplus of the reserved 1~2mm of circle;And on the basis of wheelboss flange (7) is according to upper and lower machined surface, light outer circular shape size, reserved 1~
The surplus of 2mm;
Step 3: being heat-treated to the roughing woollen of inner ring (2), outer ring flange (3) and wheelboss flange (7), so that inner ring
(2), the material hardness of outer ring flange (3) and wheelboss flange (7) reaches 32~35HRC;
Step 4: inner ring (2), outer ring flange (3) and wheelboss flange (7) after Overheating Treatment be since crystalline substance is as structure change,
Outer dimension error increases, wait it is cooling after again the inside and outside circle to inner ring (2) and both ends of the surface length dimension, outer ring flange (3) it is complete
The outer circle and both ends of the surface of portion's size and wheelboss flange (7) are finished;
Axle center positioning light weight chamber (9) of wheelboss flange (7) is carried out step 5: clamping benchmark periphery (8) according to wheelboss flange
Finishing guarantees that axle center positioning light weight chamber (9) and wheelboss flange clamp the concentricity of benchmark periphery (8);
Step 6: according to specification and accuracy requirement buying magnetic gasket (1), steel ball (4), retainer (5) and mulit-lip seal ring
(6), by the accessory inner ring (2) of processing, outer ring flange (3) and wheelboss flange (7) and the magnetic gasket (1) of buying, steel ball
(4), retainer (5) and mulit-lip seal ring (6) carry out general assembly and upper hydraulic press is pressed;
Step 7: the semi-finished product assembled, which are controlled processing assembly by clearance, completes last finishing step, spline is completed
Pilot hole (10), outer ring flange (3) flange mounting hole and wheelboss flange (7) flange mounting hole;Benchmark is clamped by wheelboss flange
Periphery (8) and axle center positioning light weight chamber (9) are the synchronous positioning spline pilot hole (10) of benchmark size, outer ring flange (3) flange
The axle center of mounting hole and wheelboss flange (7) flange mounting hole.
2. the research of hub-bearing unit clearance control method according to claim 1, it is characterised in that: hub bearing list
The clearance control process of first semi-finished product includes following operating procedure:
Step 1: being affixed box-like nested positioning with concentricity convex ring seat (26) by axle center positioning light weight chamber (9), lead to simultaneously
It crosses benchmark compression half-round clamping ring (24) and wheelboss flange clamps benchmark periphery (8) socket joint type clamping positioning;
Step 2: being slid on scale slide bar (14) by being displaced bearing holder (housing, cover) (16), scale slide bar according to the hole of required position
(14) mid-scale is 0mm, and numerical value successively increases to both sides;And be fixed by lock, it is being displaced at this time according to aperture
The drill bit (17) of corresponding specification on the sleeve of bearing holder (housing, cover) (16) lower end;
Step 3:, according to the quantity in the hole of annular spread, being driven by angle motor driven shaft coupling (25) after completing a hole
Hub-bearing unit semi-finished product and benchmark compress half-round clamping ring (24), concentricity convex ring seat (26) synchronous rotary, it is ensured that turn
The precision and concentricity of dynamic angle;
Step 4: completing spline pilot hole (10), outer ring flange (3) flange mounting hole and wheelboss flange (7) by drill bit (17)
The process of flange mounting hole ensure that the low clearance control of hub-bearing unit.
3. the research of hub-bearing unit clearance control method according to claim 2, it is characterised in that: rotation axis (15)
Drill bit (17) rotary work in displacement bearing holder (housing, cover) (16) is driven, by sliding axle sleeve (13) in guiding axis (12) upper and lower displacement reality
The positioning accuracy of verticality is now punched, the limit top cover (11) of guiding axis (12) upper end, which plays, prevents sliding axle sleeve (13) lifting
It is excessively high and slip.
4. the research of hub-bearing unit clearance control method according to claim 3, it is characterised in that: buffer spring
(18) control to displacement bearing holder (housing, cover) (16) falling speed is played, the inner wall roughness in hole is improved.
5. the research of hub-bearing unit clearance control method according to claim 2, it is characterised in that: benchmark compresses half
Circle snap ring (24) passes through the positive and negative rotation of screw rod handwheel (19) using the screw rod (20) being fixed on fixed block (22), controls base pressure
Tight half-round clamping ring (24) moves forward and backward elastic process in chute of base (23), finally by fixed block (22) and locks double spiral shells
Female (21) realize the auto-lock process of screw rod (20).
6. the research of hub-bearing unit clearance control method according to claim 2, it is characterised in that: high-precision clearance
Control pedestal (27) is divided into the rack disk of two mutually movable bearing sockets, the rack with concentricity convex ring seat (26) one
Disk is connected and fixed with angle motor driven shaft coupling (25) phase flange form, another rack disk is nested with guiding axis (12) fixation.
7. the research of hub-bearing unit clearance control method according to claim 1, it is characterised in that: taken turns by optimization
The process flow of the inner ring (2), outer ring flange (3) and wheelboss flange (7) processing of hub unit, adjusts surplus design scheme, reduces
Grinding stress, mill processing use piecewise combination grinding process, effectively promote flange dish type position precision, improve product trap rate, mention
Rise the product entirety accuracy of form and position;Simplify technique, it is unified by inner ring (2) channel, outer diameter and counterface using combination grinding process
Inner ring (2) ditch position size improves apolegamy clearance efficiency;It is completed by the way that channel and sealed diameter design are adjusted to the same process,
Ditch spacing dimension dispersibility is small, promotes mill processing efficiency, improves apolegamy clearance once offline qualification rate.
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Cited By (2)
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CN114850978A (en) * | 2022-06-16 | 2022-08-05 | 浙江昕兴科技有限公司 | Hub bearing grinding method capable of ensuring inner ring groove position |
CN115091281A (en) * | 2022-07-14 | 2022-09-23 | 浙江晟禧精密机械科技有限公司 | Machining system and machining method for small inner ring of automobile hub bearing |
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CN208187315U (en) * | 2017-11-30 | 2018-12-04 | 慈兴集团有限公司 | A kind of ball screw bearing axial play test device |
CN109708886A (en) * | 2018-12-30 | 2019-05-03 | 慈兴集团有限公司 | A kind of double inner ring four-point contact ball device for measuring axial clearance and measurement method |
CN109483180A (en) * | 2019-01-08 | 2019-03-19 | 湖北新火炬科技有限公司 | A kind of hub bearing spline processing technology |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114850978A (en) * | 2022-06-16 | 2022-08-05 | 浙江昕兴科技有限公司 | Hub bearing grinding method capable of ensuring inner ring groove position |
CN115091281A (en) * | 2022-07-14 | 2022-09-23 | 浙江晟禧精密机械科技有限公司 | Machining system and machining method for small inner ring of automobile hub bearing |
CN115091281B (en) * | 2022-07-14 | 2023-11-03 | 浙江晟禧精密机械科技有限公司 | Machining system and machining method for small inner ring of automobile hub bearing |
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