CN106181678A - A kind of aviation high-precision bearing roller processing method - Google Patents
A kind of aviation high-precision bearing roller processing method Download PDFInfo
- Publication number
- CN106181678A CN106181678A CN201610523237.7A CN201610523237A CN106181678A CN 106181678 A CN106181678 A CN 106181678A CN 201610523237 A CN201610523237 A CN 201610523237A CN 106181678 A CN106181678 A CN 106181678A
- Authority
- CN
- China
- Prior art keywords
- roller
- emery wheel
- grinding
- processing method
- tilting member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B17/00—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor
- B24B17/02—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor involving mechanical transmission means only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
- G05B19/4166—Controlling feed or in-feed
Abstract
The open a kind of aviation high-precision bearing roller processing method of the present invention, it is characterized in that, the end of roller is provided with clamping position, tilting member is set on workbench, roller is arranged on tilting member by clamping position, tilting member rotates and makes roller axially inclined, the gyratory directions of emery wheel all the time with the sinking contour grinding point of roller at normal direction overlap, it is ensured that emery wheel and roller are in the state of point cantact all the time.Aviation high-precision bearing roller processing method of the present invention is provided with clamping position in the end of roller, grip roller is facilitated to make its Sloped rotating, emery wheel and roller surface carry out grinding with point cantact, grinding force and grinding heat are little, emery wheel stressing conditions is consistent, and deformation is consistent, is effectively improved machining accuracy, and making error on roller surface be evenly distributed, it is ensured that roller has good balance when revolution work at a high speed.
Description
Technical field
The present invention relates to the method for grinding technical field of machining, particularly relate to a kind of aviation high-precision bearing roller and add
Work method.
Background technology
On air equipment, a large amount of use arrives roller bearing, in order to improve the axial carrying capacity of bearing, eliminates stress and concentrates,
Reducing abrasion, improve the stationarity of operating, two ends have the more and more of the roller application of chamfering deflection.But roller two ends
Chamfering sink for irregular curved surface, roller permissible accuracy is high, and difficulty of processing is big.The mode of tradition processing roller is to use
Forming grinding wheel carries out profile copy grinding, forming grinding wheel sets out the profile groove in advance identical with required roller profile, then
The roller of straight cylinder structure is carried out grinding at forming grinding wheel so that the surface of roller is formed recessed with the profile of forming grinding wheel
The shape of groove laminating, thus complete the processing of roller.But the contour shape of workpiece that this kind of method processes is poor, surface size
Precision is low, and the workpiece often processing a kind of contour shape is required for manufacturing a kind of forming grinding wheel, and working (machining) efficiency low cost is high, and
And the profile groove of forming grinding wheel can gradually wear out in the course of processing, thus further result in machining accuracy and reduce, it is difficult to protect
The precision of card roller two ends deflection so that the roller processed is difficult to meet the high-quality demand of air equipment, the one-tenth of abrasion
Abrasive wheel needs to change in time, and replacement cost is high, affects production efficiency.
Summary of the invention
The technical assignment of the technical problem to be solved and proposition is to improve prior art, it is provided that a kind of
Aviation high-precision bearing roller processing method, solves the profile copy grinding machining profile shape of tradition forming grinding wheel in current technology
Difference, precision is low, and wear extent is difficult to control to, and service life is short, along with forming grinding wheel uses the dimensional discrepancy of time elongated roller to add
Acute problem.
For solving above technical problem, the technical scheme is that
A kind of aviation high-precision bearing roller processing method, it is characterised in that the end of roller is provided with clamping position, work
Arranging tilting member on platform, roller is arranged on tilting member by clamping position, and tilting member rotates and makes roller axially inclined, sand
Wheel gyratory directions all the time with the sinking contour grinding point of roller at normal direction overlap, it is ensured that emery wheel is in all the time with roller
The state of point cantact.When grinding curve, grinding points changes on wheel grinding face, thus gives establishment and the grinding of numerical control program
Quality brings certain impact.Being embodied in: first, grinding points is continually changing on emery wheel and causes emery wheel Impact direction the most not
Disconnected change, emery wheel easily produces axial deformation；Secondly, the numerical control program of usual emery wheel track is according to grinding wheel cylindrical maximum gauge
The track at place is worked out, and the change of grinding points easily causes interference, produced cutting, cannot realize the essence of complex curve profile
Close grinding；Finally, the change of grinding points can affect grinding surface quality and curved profile precision etc..Aviation described herein is high
Loose bearings roller processing method, the sinking profile at the bearing roller two ends of its processing is arc cylinder structure, the revolution of emery wheel
Direction all the time with the sinking contour grinding point of roller at normal direction overlap, emery wheel grinds with point cantact with roller surface
Cutting, emery wheel is similar to the small point of a knife turnery processing to workpiece to the grinding of workpiece, and grinding force and grinding heat are all
The least, and emery wheel is always to maintain and same eats into state, effectively controls to add the amount of feeding in man-hour and makes processing dimension controlled, thus
Improve machining accuracy.The present invention utilize tilting member rotate to an angle emery wheel when realizing grinding to the normal direction of roller with
Track, makes the cutting state of emery wheel during grinding keep constant, on each point of the sunken regions at roller two ends, and emery wheel stressing conditions one
Causing, deformation is consistent, is effectively improved machining accuracy, and makes error on roller surface be evenly distributed, it is ensured that roller is in revolution work at a high speed
As time there is good balance.
Further, set up the normal tracing mathematical model of roller sinking profile, calculate the normal direction at grinding points
And the angle between the gyratory directions of emery wheel, then makes tilting member rotate phase according to the angle value calculated in grinding process
The direction answered and angle, so that the normal direction at grinding points overlaps with the gyratory directions of emery wheel.
Further, first the normal tracing mathematical model of described roller sinking profile carries out coordinate transform, by roller
The coordinate figure of the sinking contour curve point represented in workpiece coordinate system is transformed in lathe name coordinate system；Then in lathe name
Coordinate system is obtained normal unit vector and the slope of this normal of sinking contour curve point, finally according on sinking contour curve
The slope of the normal of set point, draws the mathematic(al) representation at the normal tracing angle of set point on sinking contour curve.As long as making
The axis of oscillation of tilting member is set up in current grinding points, controls the pendulum on Grinder bench by numerical control device during grinding
The angle that dynamic component calculates around grinding points tropometer, it is possible to ensure that emery wheel gyratory directions overlaps with the normal direction of grinding points, it is achieved
Normal tracing grinding.
Further, described workbench is driven by traverse feed parts and transversely moves, and grinding wheel unit drives at emery wheel
On parts, emery wheel driver part is driven by length feed parts, and length feed parts hang down with the direction of feed of traverse feed parts
Straight, the gyratory directions of emery wheel is parallel with the direction of feed of traverse feed parts.Feeding controls precisely, and operation degree of freedom is high, carries
High manufacturing accuracy.
Further, described tilting member being provided with pivoting part, roller is arranged on pivoting part by clamping position
On, pivoting part drives roller along the axial-rotation of roller.
Further, the axis of oscillation of described tilting member is perpendicular to traverse feed parts and length feed parts
The plane that direction of feed is constituted.
Compared with prior art, the invention has the advantages that:
Aviation high-precision bearing roller processing method of the present invention is provided with clamping position, convenient folder in the end of roller
Hold roller and make its Sloped rotating so that the gyratory directions of emery wheel all the time with the sinking contour grinding point of roller at normal direction weight
Closing, it is little that emery wheel and roller surface carry out grinding, grinding force and grinding heat with point cantact, and emery wheel stressing conditions is consistent, and deformation is consistent,
It is effectively improved machining accuracy, and makes error on roller surface be evenly distributed, it is ensured that roller has when revolution work at a high speed good
Balance, improve the bearing capacity of roller, effectively eliminate stress and concentrate, reduce abrasion, improve the stationarity of operating.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the present invention；
Fig. 2 is the grinder structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Disclosed in the embodiment of the present invention, a kind of aviation high-precision bearing roller processing method, improves the machining accuracy of roller,
And can the accurate machining accuracy of long-acting holding, will not occur along with the elongated of process time that dimensional discrepancy becomes big situation, make
On-line checking becomes possibility, the high-precision bearing roller processed, and improves the bearing capacity of roller, effectively eliminates stress and concentrates,
Reduce abrasion, improve the stationarity of operating.
As depicted in figs. 1 and 2, in order to improve the machining accuracy of precise curve grinding, during numerical control processing on real-time, sand
The gyratory directions of wheel 5 all the time with the sinking contour grinding point of roller 1 at normal direction overlap, it is ensured that emery wheel 5 is with roller 1 all the time
Being in the state of point cantact, thus reduce grinding force and grinding heat, make emery wheel stressing conditions consistent, deformation is consistent, thus improves
Machining accuracy.Follow the tracks of on the basis of geometry movement relation at analysis and research grinding wheel normal, set up roller 1 sink profile normal direction with
Track mathematical model, and then provide the control algolithm of normal tracing, and this algorithm is applied on digital profile grinder.
Initially set up roller 1 to sink the normal tracing mathematical model of profile, calculate the normal direction at grinding points and sand
Angle between the gyratory directions of wheel 5, first the sink normal tracing mathematical model of profile of roller 1 carries out coordinate transform, will rolling
The coordinate figure of the sinking contour curve point represented in sub-workpiece coordinate system is transformed in lathe name coordinate system；Then in lathe name
Justice coordinate system is obtained normal unit vector and the slope of this normal of sinking contour curve point, finally according to sinking contour curve
The slope of the normal of upper set point, draws the mathematic(al) representation at the normal tracing angle of set point on sinking contour curve, then root
Tilting member is made to rotate corresponding direction and angle in grinding process according to the angle value calculated, so that the method at grinding points
Line direction overlaps with the gyratory directions of emery wheel 5.
The gripping of roller for convenience, is provided with clamping position 2, workbench 3 arranges swing part in the end of roller 1
Part 4, tilting member 4 is provided with pivoting part 9, and roller 1 is arranged on pivoting part 9 by clamping position 2, and pivoting part 9 carries
Dynamic roller 1 is along the axial-rotation of roller 1, and workbench 3 is driven by traverse feed parts 6 and transversely moves, and emery wheel 5 device is at emery wheel
On driver part 7, emery wheel driver part 7 is driven by length feed parts 8, and length feed parts 8 enter with traverse feed parts 6
Vertical to direction, the gyratory directions of emery wheel 5 is parallel with the direction of feed of traverse feed parts 6, the axis of oscillation of tilting member 4
Being perpendicular to the plane that both traverse feed parts 6 and length feed parts 8 direction of feed is constituted, tilting member 4 rotates and makes rolling
Son 1 is axially inclined in traverse feed parts 6 with the direction of feed of length feed parts 8, so that at processing roller 1 two ends
During chamfering sunken regions, emery wheel 5 overlaps with the normal direction at grinding points all the time, is effectively improved machining accuracy.
Below it is only the preferred embodiment of the present invention, it is noted that it is right that above-mentioned preferred implementation is not construed as
The restriction of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, it is also possible to make some improvements and modifications, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (6)
1. an aviation high-precision bearing roller processing method, it is characterised in that the end of roller (1) is provided with clamping position (2),
Arranging tilting member (4) on workbench (3), roller (1) is arranged on tilting member (4) by clamping position (2), tilting member
(4) rotate make roller (1) axially inclined, the gyratory directions of emery wheel (5) all the time with the sinking contour grinding point of roller (1) at method
Line direction overlaps, it is ensured that emery wheel (5) and roller (1) are in the state of point cantact all the time.
Aviation high-precision bearing roller processing method the most according to claim 1, it is characterised in that set up under roller (1)
The normal tracing mathematical model of heavy profile, calculates the folder between the gyratory directions of the normal direction at grinding points and emery wheel (5)
Angle, then makes tilting member rotate corresponding direction and angle according to the angle value calculated in grinding process, so that mill
A normal direction at cutting overlaps with the gyratory directions of emery wheel (5).
Aviation high-precision bearing roller processing method the most according to claim 2, it is characterised in that described roller (1)
First the normal tracing mathematical model of sinking profile carries out coordinate transform, by bent for the sinking profile represented in roller workpiece coordinate system
The coordinate figure of line point is transformed in lathe name coordinate system；Then in lathe name coordinate system, obtain sinking contour curve point
Normal unit vector and the slope of this normal, finally according to the slope of the normal of set point on sinking contour curve, draw sinking
The mathematic(al) representation at the normal tracing angle of set point on contour curve.
Aviation high-precision bearing roller processing method the most according to claim 1, it is characterised in that described workbench
(3) by traverse feed parts (6) drive transversely move, emery wheel (5) device on emery wheel driver part (7), emery wheel drive division
Part (7) is driven by length feed parts (8), and length feed parts (8) are vertical with the direction of feed of traverse feed parts (6),
The gyratory directions of emery wheel (5) is parallel with the direction of feed of traverse feed parts (6).
Aviation high-precision bearing roller processing method the most according to claim 4, it is characterised in that described tilting member
(4) being provided with pivoting part (9) on, roller (1) is arranged on pivoting part (9) by clamping position (2), and pivoting part (9) carries
Dynamic roller (1) is along the axial-rotation of roller (1).
Aviation high-precision bearing roller processing method the most according to claim 5, it is characterised in that described tilting member
(4) axis of oscillation is perpendicular to the plane that both traverse feed parts (6) and length feed parts (8) directions of feed are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523237.7A CN106181678A (en) | 2016-07-04 | 2016-07-04 | A kind of aviation high-precision bearing roller processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523237.7A CN106181678A (en) | 2016-07-04 | 2016-07-04 | A kind of aviation high-precision bearing roller processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106181678A true CN106181678A (en) | 2016-12-07 |
Family
ID=57464828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610523237.7A Pending CN106181678A (en) | 2016-07-04 | 2016-07-04 | A kind of aviation high-precision bearing roller processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106181678A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434573A (en) * | 2018-12-28 | 2019-03-08 | 张二朋 | The method for grinding and grinding structure of convex curve non-circular profile part |
| CN112533728A (en) * | 2018-10-18 | 2021-03-19 | 舍弗勒技术股份两合公司 | Device and method for producing at least one rolling element and method for machining at least one control wheel of such a device |
| CN115781424A (en) * | 2022-11-17 | 2023-03-14 | 苏州三环科技有限公司 | Method, system, equipment and medium for grinding outer radius of ceramic chopper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211208A (en) * | 1996-02-29 | 1999-03-17 | 格里森工场 | Method of machining gears during indexing |
| CN1672871A (en) * | 2005-04-07 | 2005-09-28 | 上海第三机床厂 | Digital profile grinder |
| CN1699020A (en) * | 2005-06-09 | 2005-11-23 | 上海交通大学 | Grinding wheel normal tracing method during complex curve grinding process |
| CN201175856Y (en) * | 2008-04-09 | 2009-01-07 | 新乡日升数控轴承装备股份有限公司 | Star sleeve sphere slant grinding machine |
-
2016
- 2016-07-04 CN CN201610523237.7A patent/CN106181678A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211208A (en) * | 1996-02-29 | 1999-03-17 | 格里森工场 | Method of machining gears during indexing |
| CN1672871A (en) * | 2005-04-07 | 2005-09-28 | 上海第三机床厂 | Digital profile grinder |
| CN1699020A (en) * | 2005-06-09 | 2005-11-23 | 上海交通大学 | Grinding wheel normal tracing method during complex curve grinding process |
| CN201175856Y (en) * | 2008-04-09 | 2009-01-07 | 新乡日升数控轴承装备股份有限公司 | Star sleeve sphere slant grinding machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112533728A (en) * | 2018-10-18 | 2021-03-19 | 舍弗勒技术股份两合公司 | Device and method for producing at least one rolling element and method for machining at least one control wheel of such a device |
| CN109434573A (en) * | 2018-12-28 | 2019-03-08 | 张二朋 | The method for grinding and grinding structure of convex curve non-circular profile part |
| CN109434573B (en) * | 2018-12-28 | 2024-01-02 | 张二朋 | Grinding method and grinding structure for convex curve non-circular contour part |
| CN115781424A (en) * | 2022-11-17 | 2023-03-14 | 苏州三环科技有限公司 | Method, system, equipment and medium for grinding outer radius of ceramic chopper |
| CN115781424B (en) * | 2022-11-17 | 2023-08-04 | 苏州三环科技有限公司 | Method, system, equipment and medium for grinding outer radius of ceramic riving knife |
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| PB01 | Publication | ||
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Application publication date: 20161207 |