CN106607746A - Spherical roller ultraprecision machining method - Google Patents
Spherical roller ultraprecision machining method Download PDFInfo
- Publication number
- CN106607746A CN106607746A CN201510496430.1A CN201510496430A CN106607746A CN 106607746 A CN106607746 A CN 106607746A CN 201510496430 A CN201510496430 A CN 201510496430A CN 106607746 A CN106607746 A CN 106607746A
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- China
- Prior art keywords
- spherical roller
- oilstone
- roller
- spherical
- support
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Classifications
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- 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
- B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
- B24B35/005—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency for making three-dimensional objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a spherical roller ultraprecision machining method, and belongs to the technical field of ultraprecision machining. The spherical roller ultraprecision machining method is characterized in that an ultraprecision machining cutter adopts blocklike oilstone to carry out reciprocating swinging, so a working face of the blocklike oilstone swings on the surface of a spherical roller back and forth and thus is ground; a curvature of the working face of the blocklike oilstone is consistent with that of a rolling surface of the spherical roller; a chord of the curvature of the working face of the blocklike oilstone is greater than the effective length of the rolling surface of the spherical roller; the spherical roller is supported through two backup rolls, and is driven to rotate; one of the two backup rolls is a cylindrical backup roll; an annular groove of which the cross section is V-shaped is formed in the peripheral surface of the other one backup roll; a supporting mounting part formed after the spherical roller is placed between the annular groove and the cylindrical backup roll allows two contact points to be formed between the spherical roller and the two side walls of the annular groove, and a contact point to be formed between the spherical roller and the peripheral surface of the cylindrical backup roll; the spherical roller is located through the three contact points; the two backup rolls are driven to rotate in the same direction by a driving mechanism; and a workpiece, by taking the axis of the workpiece as a center, rotates towards the reverse direction of the rotation directions of the backup rolls on the supporting mounting part.
Description
Technical field
The invention belongs to Ultraprecision Machining Technology field, especially relevant with a kind of spherical roller super precision method.
Background technology
Roller precision be affect roller bearing quality key factor, the roughness and curvature shape of the main precision index roller of roller.At present, the prior art of the roughness and curvature shape of spherical roller, loaarithmic curve roller and bearing with spherical outside surface lasso is solved, is mainly solved by two kinds of approach, one is decorated processing, it has the disadvantage that knock damage is serious, and can also slight damage curvature shapes；Two is superfinishing, but the Superfinishing machine of existing design, and its microstoning the method is：Spherical roller is rotated centered on its axis, oilstone is swung back and forth grinding by swing arm driving on spherical roller surface, the swing of swing arm is with oscillating spindle as oscillation center, and the Z axis direction of feed of oilstone is vertical with oscillating spindle axis, and the track that oilstone swings is limited only on the bus of workpiece（Assume that workpiece is static）；Its defect has（As a example by spherical roller）：First, spherical roller is typically clamped by electromagnetic disc and is rotated by motor, in process, the rotation of spherical roller and the amount of curvature for swinging both of oilstone, curvature shapes and center cannot be transferred to and fit like a glove, the superfinishing in the case where misfitting, its result can cause workpiece to influence each other with oilstone, it is impossible to ensure the sphere precision of workpiece；2nd, the oilstone that existing superfinishing mode is adopted all is bar shaped or cylindricality, and face length, diameter are smaller than the nose on spherical arc, oilstone work surface cannot ensure uniformly to be fitted with the movement locus on sphere, and the curvature that can so cause roller sphere is destroyed, and affects machining accuracy.In lathe coordinate system, it is stipulated that cutter is Z axis away from the direction of workpiece.
The content of the invention
Center, curvature shapes and the amount of curvature that the purpose of the present invention is intended to overcome existing sphere roller superfine machine during superfinishing between spherical roller and oilstone cannot fit like a glove and oilstone and spherical roller the less defect to affect machining accuracy of work surface, there is provided a kind of good processing accuracy, the convenient spherical roller super precision method for adjusting.
For this purpose, the present invention is employed the following technical solutions：A kind of spherical roller super precision method，It is characterized in that，Superfinishing cutter is using block oilstone，Block oilstone is clamped by oilstone installing mechanism，Block oilstone drives reciprocally swinging by oilstone drive mechanism，The work surface of block oilstone is set to swing back and forth grinding on spherical roller surface，The curvature of oilstone work surface is consistent with the curvature of the rolling surface of spherical roller，Effective length of the chord length of the oilstone work face curvature more than the rolling surface of roller，Spherical roller is parallel to each other by axial line and two support rollers being set up in parallel of keeping at a certain distance away are supported and are rotated，A wherein support roller is cylindrical support roller，The outer peripheral face of another support roller is provided with the annular recess that section is V-arrangement，Spherical roller is positioned over the support installation portion formed between the annular recess and cylindrical support roller，Make spherical roller produce two contact points and spherical roller with the two side of annular recess and form a contact point with the periphery of cylindrical support roller，It is automatically positioned by three contact point pair spherical rollers，And can ensure that the centralized positioning of each spherical roller is accurate，Two support rollers drive rotating Vortex simultaneously by drive mechanism，The direction of rotation rightabout rotation that support installation portion on by axis of workpiece centered on towards support roller of the workpiece in two support rollers.
The present invention can reach following beneficial effect：Bar shaped or cylindricality oilstone before by the way that block oilstone is replaced it, makes oilstone increase with the face area of spherical roller periphery, improves superfinishing effect and working (machining) efficiency；The support installation portion of spherical roller is complemented each other to form by cylindrical support roller and the support roller with V-ring connected in star, simple structure enables the fast automatic positioning in center of spherical roller, improves superfinishing precision.
Description of the drawings
Fig. 1 is the principle schematic of the present invention.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the superfinishing cutter of the present invention is using block oilstone 1, block oilstone 1 is clamped by the block installing mechanism of oilstone 1, the curvature of the work surface of block oilstone 1 is consistent with the curvature of the rolling surface of spherical roller 2,, more than the effective length of the rolling surface of roller, block oilstone 1 is by the block drive mechanism of oilstone 1 driving reciprocally swinging for the chord length of the work face curvature of block oilstone 1；Spherical roller 2 is parallel to each other by axial line and two support rollers being set up in parallel of keeping at a certain distance away are supported and are rotated，Wherein a support roller 3 is cylindrical support roller，The outer peripheral face of another support roller 4 is provided with the annular recess that section is V-arrangement，Spherical roller 2 is positioned over the support installation portion formed between the annular recess and cylindrical support roller，Make spherical roller 2 produce two contact points and spherical roller 2 with the two side of the annular recess of support roller 4 and form a contact point with the periphery of cylindrical support roller 3，It is automatically positioned by three contact point pair spherical rollers 2，And can ensure that the centralized positioning of each spherical roller 2 is accurate，Installed by bearings respectively at the respective two ends of two support rollers，Two support rollers are driven by drive mechanism and are rotated at the same speed towards a same direction simultaneously，Spherical roller 2 supports being rotated by two support rollers on installation portion in two support rollers，The rotation of spherical roller 2 is rotated centered on the axis of spherical roller 2，And the direction of rotation of spherical roller is contrary with the direction of rotation of two support rollers，The work surface of block oilstone 1 is resisted against the surface of spherical roller，The work surface of block oilstone swings back and forth on the surface of spherical roller 2 and carries out grinding super processing.
Claims (1)
1. a kind of spherical roller super precision method, it is characterised in that：Superfinishing cutter is using block oilstone，Block oilstone is clamped by oilstone installing mechanism，Block oilstone drives reciprocally swinging by oilstone drive mechanism，The work surface of block oilstone is set to swing back and forth grinding on spherical roller surface，The curvature of block oilstone work surface is consistent with the curvature of the rolling surface of spherical roller，Spherical roller is parallel to each other by axial line and two support rollers being set up in parallel of keeping at a certain distance away are supported and are rotated，A wherein support roller is cylindrical support roller，The outer peripheral face of another support roller is provided with the annular recess that section is V-arrangement，Spherical roller is positioned over the support installation portion formed between the annular recess and cylindrical support roller，Make spherical roller produce two contact points and spherical roller with the two side of annular recess and form a contact point with the periphery of cylindrical support roller，It is automatically positioned by three contact point pair spherical rollers，And can ensure that the centralized positioning of each spherical roller is accurate，Two support rollers drive rotating Vortex simultaneously by drive mechanism，The direction of rotation rightabout rotation that support installation portion on by axis of workpiece centered on towards support roller of the workpiece in two support rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496430.1A CN106607746A (en) | 2015-08-13 | 2015-08-13 | Spherical roller ultraprecision machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496430.1A CN106607746A (en) | 2015-08-13 | 2015-08-13 | Spherical roller ultraprecision machining method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106607746A true CN106607746A (en) | 2017-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510496430.1A Pending CN106607746A (en) | 2015-08-13 | 2015-08-13 | Spherical roller ultraprecision machining method |
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| CN (1) | CN106607746A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471079A (en) * | 2017-08-01 | 2017-12-15 | 河南科技大学 | Method is ground using the penetration type taper roller convexity ultra-precision grinding of not being in the mood for of cone post matching deflector roll |
| CN110270898A (en) * | 2019-06-18 | 2019-09-24 | 绍兴文理学院 | A kind of flexible superfinishing Polishing machining device and method of convex roller outer circle |
| CN113524014A (en) * | 2020-08-06 | 2021-10-22 | 天津大学 | Lapping tool kit, apparatus and method for rolling surface finishing of spherical rollers |
| CN114378686A (en) * | 2022-02-08 | 2022-04-22 | 浙江诚本轴承滚子有限公司 | Superfinishing method and superfinishing machine for bearing roller |
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| DE729885C (en) * | 1940-06-18 | 1943-01-04 | Hirth Motoren G M B H | Process and device for the finest finishing of the rounded edges on roller bearing rollers |
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| DE3225977A1 (en) * | 1982-07-10 | 1984-01-12 | Supfina Maschinenfabrik Hentzen GmbH & Co KG, 5630 Remscheid | METHOD AND DEVICE FOR FINELY FINISHING CONVEX OR CONCAVE COVERING SURFACES OF ROTATION-SYMMETRICAL WORKPIECES, IN PARTICULAR OF ROLLER BEARING REELS |
| CN1535795A (en) * | 2003-04-09 | 2004-10-13 | �ձ�������ʽ���� | Super grinding machine, super grinding method rolling piece and rolling bearing |
| CN102717326A (en) * | 2012-05-31 | 2012-10-10 | 河南科技大学 | Analytic method for superfinishing shaping convexity of roller bearing based on evolution forming principle |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE729885C (en) * | 1940-06-18 | 1943-01-04 | Hirth Motoren G M B H | Process and device for the finest finishing of the rounded edges on roller bearing rollers |
| US2579520A (en) * | 1949-07-09 | 1951-12-25 | Fafnir Bearing Co | Centerless grinder |
| DE2350539A1 (en) * | 1973-10-09 | 1975-04-10 | Grieshaber Metallwarenfab Geb | Finish grinding of roller bearing rollers - honing stones are pivot mounted in holders on parallel rods |
| DE3225977A1 (en) * | 1982-07-10 | 1984-01-12 | Supfina Maschinenfabrik Hentzen GmbH & Co KG, 5630 Remscheid | METHOD AND DEVICE FOR FINELY FINISHING CONVEX OR CONCAVE COVERING SURFACES OF ROTATION-SYMMETRICAL WORKPIECES, IN PARTICULAR OF ROLLER BEARING REELS |
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| CN102717326A (en) * | 2012-05-31 | 2012-10-10 | 河南科技大学 | Analytic method for superfinishing shaping convexity of roller bearing based on evolution forming principle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471079A (en) * | 2017-08-01 | 2017-12-15 | 河南科技大学 | Method is ground using the penetration type taper roller convexity ultra-precision grinding of not being in the mood for of cone post matching deflector roll |
| CN107471079B (en) * | 2017-08-01 | 2019-11-05 | 河南科技大学 | Method is ground using the penetration type taper roller convexity ultra-precision grinding of not being in the mood for of cone column matching deflector roll |
| CN110270898A (en) * | 2019-06-18 | 2019-09-24 | 绍兴文理学院 | A kind of flexible superfinishing Polishing machining device and method of convex roller outer circle |
| CN113524014A (en) * | 2020-08-06 | 2021-10-22 | 天津大学 | Lapping tool kit, apparatus and method for rolling surface finishing of spherical rollers |
| CN113524014B (en) * | 2020-08-06 | 2022-04-29 | 天津大学 | Lapping tool kit, apparatus and method for rolling surface finishing of spherical rollers |
| CN114378686A (en) * | 2022-02-08 | 2022-04-22 | 浙江诚本轴承滚子有限公司 | Superfinishing method and superfinishing machine for bearing roller |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 312500 No. 5 Youshi Road, Meizhu Town, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: Zhejiang Chengben Bearing Roller Co., Ltd. Address before: 312500 Yulin Road, Yulin Street, Xinchang County, Shaoxing City, Zhejiang Province Applicant before: Xinchang County Chengben Roller Bearing Co., Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170503 |
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| RJ01 | Rejection of invention patent application after publication |