CN102513915B - Processing method of precision cylindrical part - Google Patents
Processing method of precision cylindrical part Download PDFInfo
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- CN102513915B CN102513915B CN201110391364.3A CN201110391364A CN102513915B CN 102513915 B CN102513915 B CN 102513915B CN 201110391364 A CN201110391364 A CN 201110391364A CN 102513915 B CN102513915 B CN 102513915B
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- retainer
- processing method
- cylindrical part
- abrasive disk
- precision
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- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims description 15
- 229910001651 emery Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 2
- 101100434846 Caenorhabditis elegans lap-1 gene Proteins 0.000 description 6
- 101100216020 Mus musculus Anpep gene Proteins 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a processing method of a precision cylindrical part. Processing equipment for implementing the processing method comprises an upper grinding disc and a lower grinding disc. A retainer is placed between the upper and lower grinding discs. A slot is formed on the retainer. The cylindrical part to be processed is placed in the slot of the retainer. The cylindrical part in the retainer can move in a rotation and revolution mode. A load pressurizing device acts on the cylindrical part through the upper grinding disc. The cylindrical part is processed by utilizing working surfaces of the upper and lower grinding discs. The invention provides the processing method of the precision cylindrical part, which can give consideration to both high precision and high consistency and has low cost.
Description
Technical field
The present invention relates to a kind of processing method of precision cylindrical part, belong to high accuracy circular cylindrical parts process technology.
Background technology
Bearing is the Key basic parts in precision optical machinery, instrument and equipment, is the important foundation of the field Hi-Tech equipments such as development precision machine tool, precision instrument, national defence, and its precision has significant impact to the overall performance of equipment.Precision cylindrical part (cylindrical component) is as the vital part of bearing, the performance of bearing and life-span are played to vital effect, be the important foundation of the field Hi-Tech equipments such as development precision machine tool, energy machinery (wind-driven generator), precision instrument, national defence, its precision and uniformity play an important role to functional part performance.
The batch machining of cylindrical component generally adopts the mode of centerless grinding both at home and abroad at present, wearing and tearing due to processing components such as process medium plain emery wheel, deflector rolls, cause the processing conditions of each cylindrical component cannot guarantee stability, thereby be difficult to obtain high accuracy and high conforming cylindrical component.The parts such as high-precision bearing, guide rail are more and more higher to the precision of cylindrical component and coherence request.Therefore, in the urgent need to develop a kind of applicable high accuracy, high uniformity cylindrical component efficiently, batch processing method cheaply.
Summary of the invention
For overcome existing cylindrical component batch machining technology can not take into account high accuracy and high uniformity, deficiency that cost is high, the invention provides a kind of processing method that can take into account high accuracy and high uniformity, lower-cost precision cylindrical part.
The technical solution adopted in the present invention is as follows:
A processing method for precision cylindrical part, the process equipment of realizing described processing method comprises top lap and lower abrasive disk, between upper and lower abrasive disk, places retainer; On retainer, slot, cylindrical component to be processed is placed in the groove of retainer; The interior cylindrical component of retainer can be realized rotation and add revolution motion; Load pressue device acts on cylindrical component by top lap; Utilize described upper and lower abrasive disk working face to process cylindrical component.
Further again, described retainer is driven by a centre wheel and a ring gear, forms planetary gear system; Described centre wheel is at center, and described ring gear is in outside; The rotating speed of described centre wheel and ring gear is by Electric Machine Control; In retainer, the revolution of cylindrical component and rotational velocity are by regulating the rotating speed of centre wheel and ring gear, the rotating speed of upper and lower abrasive disk is controlled.
Further again, the groove on described retainer is through hole, and described through hole mates with one or several cylindrical component in the shape and size size on retainer surface; Vertical or formation oblique angle, the sidewall of described groove and retainer surface; On single retainer, the quantity of described groove is a plurality of, and that a plurality of described grooves are on retainer surface is radial, concentric circles or lattice-shaped distribute.
Further again, the rotating speed of described top lap and lower abrasive disk is by two Electric Machine Control.
Described mill is emery wheel, metal dish or polishing disk.Or other nonmetallic disks.
Technical conceive of the present invention: the top lap of processing unit (plant), lower abrasive disk and retainer form parallel plane, and cylindrical component to be processed is positioned between top lap and lower abrasive disk.Utilize the principle of error homogenize, can regard one group of cylindrical component of arranging according to certain rules as a whole flat work pieces, the outline of cylindrical component forms a virtual plane workpiece outline.In process, when cylindrical component rolls, the respective virtual flat work pieces outline that cylindrical component forms will produce variation, the virtual plane consisting of each workpiece outline in processing and top lap, lower abrasive disk working face are tending towards being consistent, finally can obtain one with the completely parallel desirable virtual plane workpiece outline of abrasive disk working face, obtain high accuracy, high conforming cylindrical component.
By applying suitable load pressure (1kPa～1MPa), adjust rotating speed combination (the top lap range of speeds: 0～400r/Min between upper and lower abrasive disk and retainer three; Lower lap speed scope: 20～400r/Min; The retainer range of speeds: 20～400r/Min) drive cylindrical workpiece to roll and control it and revolve round the sun and spinning motion direction, each point on the periphery of workpiece is contacted with abrasive disk equiprobability, realizing workpiece periphery and evenly grind; The method can be revised the form error of cylindrical workpiece fast, and the high-accurate outline of upper and lower abrasive disk and surface topography are copied on the periphery of workpiece, has improved lapping efficiency and the machining accuracy of cylindrical component.
Beneficial effect of the present invention is mainly manifested in: 1. the processing unit (plant) structure that adopted is comparatively simple, can ACTIVE CONTROL cylindrical component in the motion state of process of lapping, improved uniformity and the stability of processing; 2. can effectively improve grinding precision and the grinding efficiency of cylindrical workpiece, realize batch production, in machining accuracy, efficiency and frame for movement, there is obvious comprehensive advantage; 3. this method is applicable to various materials, dissimilar cylindrical component, the particularly high-precision bearing roller of steel and ceramic material, at a high speed, high-precision main shaft system provides crucial fundamental parts.
Accompanying drawing explanation
Fig. 1 is the structural representation of cylindrical component ultra-precision processing apparatus in the present invention.
Fig. 2 is the top view of Fig. 1 in the present invention.
Fig. 3 is fluting shape and the layout of retainer in the present invention.
Fig. 4 is the schematic diagram of top lap, lower abrasive disk and retainer speed.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1～Fig. 3, a kind of processing method of precision cylindrical part, realizes in the process equipment of described processing method, comprises top lap 1 and lower abrasive disk 2, between top lap 1 and lower abrasive disk 2, places retainer 4; Fluting on retainer 4, cylindrical component 5 to be processed is placed in the groove of retainer 4; Load pressue device acts on cylindrical component 5 by top lap 1, utilizes described top lap 1 and lower abrasive disk 2 surface of the works to process cylindrical component.
Described top lap 1 and lower abrasive disk 2 are by the Electric Machine Control rotating speed of two.
Described retainer 4 is driven by centre wheel and ring gear, forms planetary gear system, and described centre wheel is at center, and described ring gear is in outside; Described centre wheel and ring gear rotating speed are by Electric Machine Control; In retainer, the revolution of cylindrical component and rotational velocity are by regulating the rotating speed of centre wheel and ring gear, the rotating speed of upper and lower abrasive disk is controlled.
By adjusting the rotating speed of described top lap, lower abrasive disk and retainer, the top lap range of speeds: 0～400r/Min; Lower lap speed scope: 20～400r/Min; The retainer range of speeds: 20～400r/Min, is evenly distributed on the periphery of workpiece grinding track, realizes the even grinding to workpiece periphery.
Groove on described retainer is through hole, and described through hole mates with one or several cylindrical component 5 in the shape and size size on retainer surface; Vertical or formation oblique angle, the sidewall of described groove and retainer surface; On single retainer, the quantity of described groove is a plurality of, the distribution such as that a plurality of described grooves are on retainer surface is radial, concentric circles or lattice-shaped;
Example: utilize the inventive method processing high-speed tool steel cylindrical component.Experiment condition is as follows:
Initial cylindrical accessory size: diameter 20.5 ± 0.01mm, length 40 ± 0.1mm
Initial cylindrical part cylindricity: 0.021mm
Cylindrical component putting position: every 60Min, cylindrical component is adjusted in retainer groove
180 ° of whole positions
Abrasive material: 1000# Al
2o
3
Lapping liquid concentration: 30wt%
Lapping liquid flow velocity: 5L/Min
Load: 100kPa
Process time: 120Min
As shown in Figure 4, processing result is as follows for top lap, lower abrasive disk and retainer speed scheme:
Cylindrical component size: 20.4-0.001mm
Cylindrical component cylindricity: 0.001mm.
Claims (5)
1. a processing method for precision cylindrical part, is characterized in that: the process equipment of realizing described processing method comprises top lap and lower abrasive disk; Between upper and lower abrasive disk, place retainer, on retainer, slot, cylindrical component to be processed is placed in the groove of retainer; In retainer, cylindrical component can be realized revolution and rotation; Load pressue device acts on cylindrical component by top lap, utilizes the working face of described top lap and lower abrasive disk to process cylindrical component; By imposed load pressure, be 1kPa～1MPa, the rotating speed of adjusting between upper and lower abrasive disk and retainer three is combined as: the top lap range of speeds: 0～400r/Min; Lower lap speed scope: 20～400r/Min; The retainer range of speeds: 20～400r/Min, drives cylindrical workpiece to roll and controls it and revolve round the sun and spinning motion direction, and each point on the periphery of workpiece is contacted with abrasive disk equiprobability, realizes workpiece periphery and evenly grinds.
2. the processing method of precision cylindrical part as claimed in claim 1, is characterized in that: described retainer is driven by a centre wheel and a ring gear, forms planetary gear system; Described centre wheel is at center, and described ring gear is in outside; The rotating shaft of described centre wheel and ring gear is by Electric Machine Control, and the revolution of retainer and rotational velocity are by regulating the rotating speed of centre wheel and ring gear to control.
3. the processing method of precision cylindrical part as claimed in claim 1 or 2, is characterized in that: the groove of described retainer is through hole, and described through hole mates with one or several cylindrical component in the shape and size size on retainer surface.On single retainer, the quantity of described groove is a plurality of; That described a plurality of groove is on retainer surface is radial, concentric circles or lattice-shaped distribute.
4. the processing method of precision cylindrical part as claimed in claim 1 or 2, is characterized in that: the rotating speed of described top lap and lower abrasive disk is controlled respectively by two motors.
5. the processing method of precision cylindrical part as claimed in claim 1, is characterized in that: described mill is emery wheel, metal dish or polishing disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391364.3A CN102513915B (en) | 2011-11-30 | 2011-11-30 | Processing method of precision cylindrical part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391364.3A CN102513915B (en) | 2011-11-30 | 2011-11-30 | Processing method of precision cylindrical part |
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| Publication Number | Publication Date |
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| CN102513915A CN102513915A (en) | 2012-06-27 |
| CN102513915B true CN102513915B (en) | 2014-02-12 |
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| CN201110391364.3A Expired - Fee Related CN102513915B (en) | 2011-11-30 | 2011-11-30 | Processing method of precision cylindrical part |
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| CN103522166B (en) * | 2013-07-26 | 2016-06-22 | 浙江工业大学 | A kind of based on the partially auxobaric cylindrical component Excircle machining method of upper dish |
| CN103522168A (en) * | 2013-07-26 | 2014-01-22 | 浙江工业大学 | Cylindrical part outer circle machining device based on holder eccentric rotary swing type double-plane grinding |
| CN103600285B (en) * | 2013-07-26 | 2016-12-28 | 浙江工业大学 | Upper dish eccentric compression type cylindrical component top circle processing device |
| CN103537981B (en) * | 2013-07-26 | 2016-08-10 | 浙江工业大学 | A kind of superfine processing method of high accuracy circular cylindrical parts cylindrical |
| CN103433840B (en) * | 2013-08-01 | 2015-08-19 | 浙江工业大学 | Based on the retainer eccentric rotation-swing type biplane grinding/polishing cylindrical component equipment of dielectrophoresis effect |
| CN103433841A (en) * | 2013-08-01 | 2013-12-11 | 浙江工业大学 | Dielectrophorisis-based cylindrical component double-plane grinding/polishing device |
| CN104708514A (en) * | 2013-12-11 | 2015-06-17 | 中国航空工业第六一八研究所 | Edge and chamfer accurate grinding device of cylindrical glass optical lenses and method thereof |
| CN103692335A (en) * | 2013-12-18 | 2014-04-02 | 沈阳航天新乐有限责任公司 | Grinding tooling and method of grinding tool for grinding high-accuracy short shaft |
| CN104493684B (en) | 2014-12-16 | 2016-10-05 | 天津大学 | A kind of cylindrical component milling apparatus and workpiece propulsion plant thereof and Ginding process |
| CN104608046B (en) * | 2015-01-27 | 2016-09-21 | 清华大学 | The superfine processing method on the bearing roller face of cylinder |
| CN104999364A (en) * | 2015-07-07 | 2015-10-28 | 成都亨通兆业精密机械有限公司 | Machining method of precise cylindrical parts |
| CN110549214B (en) * | 2019-08-30 | 2021-06-11 | 厦门松鼠精密科技有限公司 | Precision grinding and polishing device |
| CN113427324A (en) * | 2021-06-30 | 2021-09-24 | 海宁运城制版有限公司 | Grinding process for printing roller with high-precision structure |
| CN114850976B (en) * | 2022-05-26 | 2024-04-19 | 浙江工业大学 | High-efficiency high-precision machining method for bottom surface of valve seat of four-way valve |
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Granted publication date: 20140212 Termination date: 20211130 |