CN102528581A - Technology for machining micro shaft with fillet - Google Patents
Technology for machining micro shaft with fillet Download PDFInfo
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- CN102528581A CN102528581A CN2012100347658A CN201210034765A CN102528581A CN 102528581 A CN102528581 A CN 102528581A CN 2012100347658 A CN2012100347658 A CN 2012100347658A CN 201210034765 A CN201210034765 A CN 201210034765A CN 102528581 A CN102528581 A CN 102528581A
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- miniature
- axle
- grinding
- fillet
- face
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Abstract
The invention discloses a technology for machining a micro shaft with a fillet. The technology comprises the following steps of: performing heat treatment on the micro shaft which is machined into sections; grinding by using a coreless machine to improve the roundness of the micro shaft so that the surface of the micro shaft is not damaged; grinding the end face so that the end face of the micro shaft is vertical to the axis of the micro shaft; grinding to remove surface grinding traces of the micro shaft so that the outside diameter of the micro shaft meets the size requirement of a finished product and the end face of the micro shaft forms the fillet; and screening the machined micro shaft. By the technology for machining the micro shaft with the fillet, the machined annular fillet is vertical to the axis of the micro shaft; and the grinding process is performed before rounding, so that the fillet is not affected. In addition, when the fillet of the micro shaft is ground, the traces brought by the grinding process are removed, so that a one-time grinding process is eliminated, the steps are reduced and the machining cost is reduced.
Description
Technical field
The present invention relates to a kind of processing technology of miniature axle, especially a kind of miniature axis processing technique with fillet.
Background technology
Miniature axle is less relatively, and precision is high, and some claims accurate axle again, little axle, axle core, armature spindle, pin; Rivet, guide rods etc., main material are the carbon steel of each material, stainless steel, copper, aluminium etc., surface treatment mainly contains zinc-plated; Nickel, blackout, carburizing etc. some industry also requires to do salt spray test, continuous a couple of days non-corrosive. and main manufacturing procedure is for thrusting grinding, surface treatment, turning; Sorting, packing etc. main process equipment has, grinding machine, lathe, measuring truck, tube etc. is thrown in heat treatment.Its purposes is wider, and product all can be used in a lot of industries.Like the rotating shaft in the motor, printer, duplicator, the rotating shaft in the scanner, the guide rod shaft in the CD/DVD CD-ROM drive, the rotating shaft in the auto parts and components etc.Sometimes in order to make miniature axle have installation capability preferably, or otherwise needs, as prevent to scratch when mounted accessory, thus require miniature shaft end is processed into fillet.
Existing miniature shaft end rounding rounding technology; Generally be that the first polishing machine that uses of the miniature axle of the section of being processed into is carried out the rounding processing; Heat treatment improves its hardness then, roughly grinds and finish grindes through centreless grinding again, carries out grinding and polishing by planetary roll cast machine and grinding stone at last.Because when the punching press of miniature axle was blocked, end face and axle center be out of plumb sometimes, so the annular fillet of pouring out of this technology is bad with respect to the perpendicularity in miniature axle axle center; When causing miniature axle to be installed and the installed surface out of plumb; Influence properties of product, and carry out in centreless grinding, the especially pass after the rounding in this technology; Good fillet produces sharp edge again before making sometimes, causes that miniature axial end fillet is nonstandard, circularity is poor.In addition, this arts demand carries out twice grinding with planetary roll cast machine before and after Technology for Heating Processing, and its technology is comparatively complicated, and human cost is higher.
Summary of the invention
The problem that the present invention will solve is to improve in the background technology problem that the processing effect of miniature axis processing technique of band fillet is poor, need repeat to grind.
In order to overcome the above problems, the present invention provides a kind of miniature axis processing technique with fillet, comprises following processing step:
(a) the miniature axle of the section of being processed into is heat-treated in heat treatment;
(b) grinding is ground through no scheming, makes the external diameter of miniature axle reserve surplus with respect to finished size, improves the circularity of miniature axle, makes the surperficial not damaged of miniature axle;
(c) face grinding polishes through the end face of face grinding machine machine to miniature axle, makes the end face of miniature axle perpendicular to the axle center of miniature axle;
(d) grind, grind, remove the surfacing vestige of miniature axle, make the external diameter of miniature axle reach the finished size requirement, make the end face of miniature axle form fillet through planetary roll cast machine;
(e) filter out the miniature axle that processes.
As further improvement of the present invention, before heat treatment, miniature axle is carried out deburring handle.
As further improvement of the present invention, after Technology for Heating Processing, before the grinding process, miniature axle is carried out subzero treatment, further improve its hardness.
As further improvement of the present invention, in the said grinding technics, grinding stone is high bottle porcelain.
As further improvement of the present invention, said miniature shaft diameter is less than 2mm.
The miniature axis processing technique of band fillet of the present invention; Relative prior art is provided with the technology of face grinding, makes that the perpendicularity in the relative axle center of miniature axial end is good; So the annular fillet that post-production goes out also can be perpendicular to the axle center of miniature axle; Make and to be close to when miniature axle is installed and, and grinding process can not impact fillet before rounding perpendicular to installed surface.In addition, miniature axis processing technique of the present invention utilizes the grinding of planetary roll cast machine, when miniature fillet is ground out, has also removed the vestige that grinding process brings, and has omitted once grinding technology, makes processing step reduce, and processing cost reduces.
The specific embodiment
Be described further in the face of a kind of miniature axis processing technique of the present invention down with fillet.
The miniature axis processing technique of the band fillet of present embodiment has following processing step: miniature axle that will the section of being processed into carries out deburring to be handled; Heat treatment is heat-treated miniature axle, improves the hardness of miniature axle; Miniature axle is carried out subzero treatment, further improve its hardness; Grinding is ground through no scheming, makes the external diameter of miniature axle reserve surplus with respect to finished size, improves the circularity of miniature axle, makes the surperficial not damaged of miniature axle; Face grinding polishes through the end face of face grinding machine machine to miniature axle, makes the end face of miniature axle perpendicular to the axle center of miniature axle; Grind, grind, remove the surfacing vestige of miniature axle, make the external diameter of miniature axle reach the finished size requirement, make the end face of miniature axle form fillet through planetary roll cast machine; Filter out the miniature axle that processes.The miniature axis processing technique of band fillet of the present invention; Be provided with the technology of face grinding; Make miniature axial end good,, make and to be close to when miniature axle is installed and perpendicular to installed surface so the fillet that post-production goes out also can be vertically and the axle center of miniature axle with respect to the perpendicularity in axle center; And grinding process can not impact fillet before rounding.In addition, miniature axis processing technique of the present invention utilizes the grinding of planetary roll cast machine, and miniature fillet is ground out, simultaneously, removes the vestige that grinding process brings, and has omitted once grinding technology, makes processing step reduce, and processing cost reduces.Process conditions such as the deburring described in this enforcement, heat treatment, subzero treatment, grinding, grinding all have no special requirements; It is simple for process; Easy-to-understand, for completion can known and operate to those of ordinary skill, so each processing technology is not described in detail at this.The said fillet of present embodiment is meant end face and the formed fillet of cylindrical intersection grinding rounding.
In the present embodiment, said planetary roll cast machine, the characteristics of utilizing the rolling of planetary roll cast machine to grind; Improve processing and efficient, practiced thrift process time, in addition; In the present embodiment, said grinding stone is high bottle porcelain, and diameter is 3 millimeters; Can certainly proper transformation, general diameter is between 2 millimeters to 5 millimeters.High bottle porcelain is a handy grinding stone on the market, and its grinding effect is good, and cost is not high, is differential grinding stone of the present invention.
In the present embodiment; Milling time is confirmed according to characteristics of product and demand; In process of lapping, can suspend and observe the grinding situation of miniature axle, adjust milling time according to Different products characteristic and product demand; Make miniature axle reach best grinding effect, i.e. the rounding end face of product needed.
In the present embodiment, the miniature shaft diameter of being processed is 0.8 millimeter, and length is 5 millimeters.Can certainly be transformed to other sizes, the miniature shaft size scope of relatively being convenient to process does, length is 1 millimeter to 20 millimeters, and diameter is 0.6 millimeter to 2 millimeters.Said miniature shaft diameter is less than 2mm, because the more little axle of diameter, needed attrition process is short more; With the technology that is fit to present embodiment, processing effect is also better, so for the too big axle of diameter; Exceed miniature axle category and be not suitable for this technology, same, the length of miniature axle is also unsuitable long.
The invention is not restricted to above embodiment and conversion.
Claims (5)
1. miniature axis processing technique with fillet is characterized in that comprising following processing step: (a) heat treatment, the miniature axle of the section of being processed into is heat-treated;
(b) grinding is ground through no scheming, makes the external diameter of miniature axle reserve surplus with respect to finished size, improves the circularity of miniature axle, makes the surperficial not damaged of miniature axle;
(c) face grinding polishes through the end face of face grinding machine machine to miniature axle, makes the end face of miniature axle perpendicular to the axle center of miniature axle;
(d) grind, grind, remove the surfacing vestige of miniature axle, make the external diameter of miniature axle reach the finished size requirement, make the end face of miniature axle form fillet through planetary roll cast machine;
(e) filter out the miniature axle that processes.
2. a kind of miniature axis processing technique with fillet according to claim 1 is characterized in that: before heat treatment, the miniature axle of the section of being processed into is carried out deburring handle.
3. a kind of miniature axis processing technique with fillet according to claim 1 is characterized in that: after Technology for Heating Processing, before the grinding process, miniature axle is carried out subzero treatment.
4. a kind of miniature axis processing technique with fillet according to claim 1 is characterized in that: in the said grinding technics, grinding stone is high bottle porcelain.
5. a kind of miniature axis processing technique with fillet according to claim 1, it is characterized in that: said miniature shaft diameter is less than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100347658A CN102528581A (en) | 2012-02-16 | 2012-02-16 | Technology for machining micro shaft with fillet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100347658A CN102528581A (en) | 2012-02-16 | 2012-02-16 | Technology for machining micro shaft with fillet |
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| Publication Number | Publication Date |
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| CN102528581A true CN102528581A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100347658A Pending CN102528581A (en) | 2012-02-16 | 2012-02-16 | Technology for machining micro shaft with fillet |
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| CN (1) | CN102528581A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271471A (en) * | 2016-08-18 | 2017-01-04 | 桥运精密部件（苏州）有限公司 | A kind of production technology of micromotor axle |
| CN106271935A (en) * | 2015-06-26 | 2017-01-04 | 北京航天计量测试技术研究所 | A kind of air bearing Thrust Faces and the polishing method of axis of rotation perpendicularity |
| CN111958187A (en) * | 2020-08-20 | 2020-11-20 | 上海远葆工业设计有限公司 | Machining treatment method of miniature shaft |
| CN112223117A (en) * | 2020-09-27 | 2021-01-15 | 宁波江丰电子材料股份有限公司 | Method for processing stainless steel bar with flatness less than or equal to 0.03mm |
Citations (4)
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| JP3406939B2 (en) * | 1994-04-26 | 2003-05-19 | キヤノン株式会社 | Manufacturing method of cylindrical member |
| CN1899763A (en) * | 2006-07-04 | 2007-01-24 | 南京航空航天大学 | Integrated grinding and strengthening process of micro alloy steel crankshaft neck and fillet |
| WO2007081289A1 (en) * | 2006-01-09 | 2007-07-19 | Giken Sakata (S) Limited | An apparatus for grinding a work piece |
| CN101148018A (en) * | 2006-09-19 | 2008-03-26 | 洛阳轴研科技股份有限公司 | Clamping device for grinding or cutting processing small thin long shaft and processing method |
-
2012
- 2012-02-16 CN CN2012100347658A patent/CN102528581A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3406939B2 (en) * | 1994-04-26 | 2003-05-19 | キヤノン株式会社 | Manufacturing method of cylindrical member |
| WO2007081289A1 (en) * | 2006-01-09 | 2007-07-19 | Giken Sakata (S) Limited | An apparatus for grinding a work piece |
| CN1899763A (en) * | 2006-07-04 | 2007-01-24 | 南京航空航天大学 | Integrated grinding and strengthening process of micro alloy steel crankshaft neck and fillet |
| CN101148018A (en) * | 2006-09-19 | 2008-03-26 | 洛阳轴研科技股份有限公司 | Clamping device for grinding or cutting processing small thin long shaft and processing method |
Non-Patent Citations (2)
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| 方乾杰: "高精度微型轴连轴承制造中的关键技术", 《机械工程师》 * |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271935A (en) * | 2015-06-26 | 2017-01-04 | 北京航天计量测试技术研究所 | A kind of air bearing Thrust Faces and the polishing method of axis of rotation perpendicularity |
| CN106271935B (en) * | 2015-06-26 | 2019-08-13 | 北京航天计量测试技术研究所 | A kind of polishing method of air bearing Thrust Faces and axis of rotation verticality |
| CN106271471A (en) * | 2016-08-18 | 2017-01-04 | 桥运精密部件（苏州）有限公司 | A kind of production technology of micromotor axle |
| CN106271471B (en) * | 2016-08-18 | 2018-10-12 | 桥运精密部件（苏州）有限公司 | A kind of production technology of micro motor axis |
| CN111958187A (en) * | 2020-08-20 | 2020-11-20 | 上海远葆工业设计有限公司 | Machining treatment method of miniature shaft |
| CN112223117A (en) * | 2020-09-27 | 2021-01-15 | 宁波江丰电子材料股份有限公司 | Method for processing stainless steel bar with flatness less than or equal to 0.03mm |
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Application publication date: 20120704 |