CN102935581A - Manufacture method of high-voltage motor mandrel - Google Patents
Manufacture method of high-voltage motor mandrel Download PDFInfo
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- CN102935581A CN102935581A CN2012104349671A CN201210434967A CN102935581A CN 102935581 A CN102935581 A CN 102935581A CN 2012104349671 A CN2012104349671 A CN 2012104349671A CN 201210434967 A CN201210434967 A CN 201210434967A CN 102935581 A CN102935581 A CN 102935581A
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- mandrel
- voltage motor
- manufacture method
- gravity
- motor mandrel
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Abstract
The invention discloses a manufacture method of a high-voltage motor mandrel. Step 1, blanking materials are processed through a mold to form a mandrel original shape, and grinding is conducted on the mandrel original shape; step 2, after grinding, turn milling combination is conducted, and a bearing guard of the mandrel after turn milling combination is ground; step 3, keyseating is conducted on the mandrel, and scrap iron affecting center gravity distribution of the mandrel is milled. The concentricity of the mandrel is 0.002 mm, and the straightness is 0.005 mm/100mm. Compared with the prior art, precision of components is remarkably improved, deterioration of operation performance, friction loss and heating of a bearing are weakened, and the service life of the bearing is prolonged.
Description
Technical field
The present invention relates to a kind of preparation method of motor shaft, a kind of manufacture method of high-voltage motor mandrel specifically is provided.
Background technology
High-voltage motor refers to that rated voltage is at the above motor of 1000V.What often use is 6000V and 10000V voltage.It is because power of motor is directly proportional with the product of voltage and current that high-voltage motor produces, so the low voltage motor the increase of output power just is difficult to do greatly to the restriction that electric current to a certain degree is subject to the permission ability to bear of wire, or high cost.The high-voltage motor advantage is that power is large, and the ability that withstands shocks is strong; Shortcoming is that inertia is large, and startup and braking be difficulty all.Mandrel is the core component of high-voltage motor.Electric current in the axle of high-voltage motor, bearing block, the base loop is called shaft current.In the prior art, because shaft current elevated pressure motor bearings surface or ball suffer erosion easily, form the point-like micropore, make the bearing operation mis-behave, frictional dissipation and heating increase, and finally cause burn-out of bearing.The reason that shaft current produces mainly contains following reason: (1) magnetic field is asymmetric, have in (2) supply current harmonic wave, (3) to make, install bad, and air gap is irregular because rotor eccentricity causes, have slit, (5) to have the patch number of the fan-shaped stator core that builds up to select improper between two semicircles of (4) removable stator core; Wherein thirdly the impact that causes of the accuracy of manufacture such as off-centre is the most serious, guarantee that the high-voltage motor quality is high-end, and the precision of rotor mandrel is the most important thing, and precision mainly is to control the degree of eccentricity of mandrel well.Based on the above, for service efficiency and the product quality that improves high-voltage motor, be necessary the manufacture method of its core component high-voltage motor mandrel is improved, to control the degree of eccentricity of mandrel well.
Summary of the invention
The invention provides a kind of manufacture method of high-voltage motor mandrel, compare with original technology, the high-voltage motor mandrel Gravity Centre of Product side-play amount of this method manufacturing guarantees that concentricity is 0.002mm, the linearity deviation is 0.005mm/100mm, significantly improved the precision of parts, weaken deterioration, frictional dissipation and the heating of bearing operation performance, prolonged bearing service life.
The present invention solves the problems of the technologies described above the manufacture method that the technical scheme that adopts provides a kind of high-voltage motor mandrel, wherein,
Step 1 carries out forming after Mould Machining is processed just shape of mandrel to blanking, and the first shape of mandrel is carried out the processing of car mill;
Step 2, the laggard driving of car mill processing is milled compound, and the compound rear bearing guard to mandrel of turnning and milling grinds;
Step 3 is carried out keyseat processing to mandrel, mills the iron filings of the gravity centre distribution that affects axle.
The manufacture method of above-mentioned a kind of high-voltage motor mandrel, wherein, online device for detecting center of gravity is installed on the lathe, online device for detecting center of gravity is take the two ends thimble of the high-voltage motor mandrel that ground as benchmark, the center thimble is determined axial line, scan the other end by the infrared induction scanning means from an end of axle thimble, then circumferencial direction calibration, make induction from 90 °, 180 °, 270 °, 360 ° four directions respectively, last total score is separated out the position of centre of gravity of high-voltage motor mandrel, and defective work is reprocessed online.
The manufacture method of above-mentioned a kind of high-voltage motor mandrel, wherein, the high-voltage motor mandrel of manufacturing, its concentricity is 0.002mm, linearity is 0.005mm/100mm.
The present invention contrasts prior art and has following beneficial effect: the manufacture method of a kind of high-voltage motor mandrel provided by the invention, by the processing of car mill, compound, the bearing guard grinding of turnning and milling, and the detection of online device for detecting center of gravity, the concentricity that has guaranteed the high-voltage motor mandrel is 0.002mm, linearity is 0.005mm/100mm, compares with original technology, has significantly improved the precision of parts, weaken deterioration, frictional dissipation and the heating of bearing operation performance, prolonged bearing service life.
The specific embodiment
Below the invention will be further described.
The high-voltage motor mandrel accuracy of manufacture such as the degree of eccentricity are the most serious on the impact of high-voltage motor product quality.Therefore, guarantee that the high-voltage motor quality is high-end, the precision of rotor mandrel is the most important thing, and precision mainly is to control the degree of eccentricity of mandrel well.
The manufacture method of a kind of high-voltage motor mandrel provided by the invention, wherein, step 1 carries out forming after Mould Machining is processed just shape of mandrel to blanking, and the first shape of mandrel is carried out the processing of car mill; After the processing of car mill, also there is eccentric phenomena between each step, this just needs the preciseness of precision and the processing technology of raising equipment, for preventing the resetting error between the operation, this product also needs two procedures: step 2, the laggard driving of car mill processing is milled compound, and the compound rear bearing guard to mandrel of turnning and milling grinds; Step 3 is carried out keyseat processing to mandrel, mills the iron filings of the gravity centre distribution that affects axle.
Owing to the judgement that whether the axle center of gravity is produced skew, conventional method need to be unloaded product down from lathe, judge at the dynamic balance testing machine of special use, and in a single day it is bad to detect balance, be to go to reprocess again, and directly causes scrapping of product.For the technique difficult point, at lathe online device for detecting center of gravity is installed in this method, online device for detecting center of gravity is take the two ends thimble of the high-voltage motor mandrel that ground as benchmark, the center thimble is determined axial line, scan the other end by the infrared induction scanning means from an end of axle thimble, then circumferencial direction calibration, make induction from 90 °, 180 °, 270 °, 360 ° four directions respectively, last total score is separated out the position of centre of gravity of high-voltage motor mandrel, defective work is reprocessed online, has so just avoided the quality of scrapping and guaranteed product of product.
The manufacture method of a kind of high-voltage motor mandrel provided by the invention, by the processing of car mill, compound, the bearing guard grinding of turnning and milling, and the detection of online device for detecting center of gravity, the concentricity that has guaranteed the high-voltage motor mandrel is 0.002mm, linearity is 0.005mm/100mm, compares with original technology, has significantly improved the precision of parts, weaken deterioration, frictional dissipation and the heating of bearing operation performance, prolonged bearing service life.
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (3)
1. the manufacture method of a high-voltage motor mandrel is characterized in that:
Step 1 carries out forming after Mould Machining is processed just shape of mandrel to blanking, and the first shape of mandrel is carried out the processing of car mill;
Step 2, the laggard driving of car mill processing is milled compound, and the compound rear bearing guard to mandrel of turnning and milling grinds;
Step 3 is carried out keyseat processing to mandrel, mills the iron filings of the gravity centre distribution that affects axle.
2. the manufacture method of a kind of high-voltage motor mandrel according to claim 1, it is characterized in that: online device for detecting center of gravity is installed on the lathe, online device for detecting center of gravity is take the two ends thimble of the high-voltage motor mandrel that ground as benchmark, the center thimble is determined axial line, scan the other end by the infrared induction scanning means from an end of axle thimble, then circumferencial direction calibration, make induction from 90 °, 180 °, 270 °, 360 ° four directions respectively, last total score is separated out the position of centre of gravity of high-voltage motor mandrel, and defective work is reprocessed online.
3. the manufacture method of a kind of high-voltage motor mandrel according to claim 1, it is characterized in that: the high-voltage motor mandrel of manufacturing, its concentricity are 0.002mm, linearity is 0.005mm/100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434967.1A CN102935581B (en) | 2012-11-05 | 2012-11-05 | Manufacture method of high-voltage motor mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210434967.1A CN102935581B (en) | 2012-11-05 | 2012-11-05 | Manufacture method of high-voltage motor mandrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102935581A true CN102935581A (en) | 2013-02-20 |
| CN102935581B CN102935581B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210434967.1A Active CN102935581B (en) | 2012-11-05 | 2012-11-05 | Manufacture method of high-voltage motor mandrel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495747A (en) * | 2013-10-11 | 2014-01-08 | 天津市电子仪表实验所 | Mandrel for detecting Shaw Brin lathe and machining method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1333195A1 (en) * | 2002-01-29 | 2003-08-06 | Getrag Ford Transmissions GmbH | Method for producing a gear box shaft |
| CN101216294A (en) * | 2008-01-10 | 2008-07-09 | 上海交通大学 | Large-sized forgeable piece three-dimensional size and temperature on-line detection device |
| CN201164928Y (en) * | 2007-11-14 | 2008-12-17 | 深圳市大族激光科技股份有限公司 | Laser balance adjustment apparatus |
| CN101328930A (en) * | 2008-07-29 | 2008-12-24 | 沈国元 | Cold-extruded machining process of diesel starting shaft |
| CN201413296Y (en) * | 2009-06-11 | 2010-02-24 | 浙江创鑫木业有限公司 | Device for detecting board surface flaw |
| CN101705487A (en) * | 2009-11-05 | 2010-05-12 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for preparing reignition turbine first-stage work bladetip wear-resistant coating |
| CN201483338U (en) * | 2009-09-08 | 2010-05-26 | 郑辉章 | Novel stone polisher |
| CN101823200A (en) * | 2010-05-18 | 2010-09-08 | 上海秋乐实业有限公司 | Method for manufacturing generator shaft |
| CN201671955U (en) * | 2010-08-17 | 2010-12-15 | 浙江调速电机有限公司 | Motor shaft |
| CN102672441A (en) * | 2012-04-28 | 2012-09-19 | 重庆市江津区宏盛机械制造有限公司 | Light rail intermediate shaft machining process |
-
2012
- 2012-11-05 CN CN201210434967.1A patent/CN102935581B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1333195A1 (en) * | 2002-01-29 | 2003-08-06 | Getrag Ford Transmissions GmbH | Method for producing a gear box shaft |
| CN201164928Y (en) * | 2007-11-14 | 2008-12-17 | 深圳市大族激光科技股份有限公司 | Laser balance adjustment apparatus |
| CN101216294A (en) * | 2008-01-10 | 2008-07-09 | 上海交通大学 | Large-sized forgeable piece three-dimensional size and temperature on-line detection device |
| CN101328930A (en) * | 2008-07-29 | 2008-12-24 | 沈国元 | Cold-extruded machining process of diesel starting shaft |
| CN201413296Y (en) * | 2009-06-11 | 2010-02-24 | 浙江创鑫木业有限公司 | Device for detecting board surface flaw |
| CN201483338U (en) * | 2009-09-08 | 2010-05-26 | 郑辉章 | Novel stone polisher |
| CN101705487A (en) * | 2009-11-05 | 2010-05-12 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for preparing reignition turbine first-stage work bladetip wear-resistant coating |
| CN101823200A (en) * | 2010-05-18 | 2010-09-08 | 上海秋乐实业有限公司 | Method for manufacturing generator shaft |
| CN201671955U (en) * | 2010-08-17 | 2010-12-15 | 浙江调速电机有限公司 | Motor shaft |
| CN102672441A (en) * | 2012-04-28 | 2012-09-19 | 重庆市江津区宏盛机械制造有限公司 | Light rail intermediate shaft machining process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495747A (en) * | 2013-10-11 | 2014-01-08 | 天津市电子仪表实验所 | Mandrel for detecting Shaw Brin lathe and machining method |
| CN103495747B (en) * | 2013-10-11 | 2016-04-13 | 天津市电子仪表实验所 | Xiao Bulin lathe inspection mandrel and processing method |
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| Publication number | Publication date |
|---|---|
| CN102935581B (en) | 2015-04-22 |
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