CN103633791A - Machining method capable of reducing aluminum consumption of ultra-efficient motor rotor - Google Patents
Machining method capable of reducing aluminum consumption of ultra-efficient motor rotor Download PDFInfo
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- CN103633791A CN103633791A CN201310686432.8A CN201310686432A CN103633791A CN 103633791 A CN103633791 A CN 103633791A CN 201310686432 A CN201310686432 A CN 201310686432A CN 103633791 A CN103633791 A CN 103633791A
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Abstract
The invention discloses a machining method capable of reducing the aluminum consumption of an ultra-efficient motor rotor. The method comprises the following steps of 1) turning off blank aluminum on the surface of the rotor according to specified process parameters; 2) performing turning to reduce an air gap value of the outer circle of the rotor by 3/5-9/10 of a specified value according to specified process parameters; 3) performing turning to eliminate the finish turning machining allowance of 1/5 -1/10 of the air gap value of the outer circle of the rotor according to specified process parameters, wherein a feeding travel direction is opposite to rough machining directions in the first two steps. The method is convenient to machine, the efficiency of a motor is improved, the surface temperature of the rotor is reduced, and the aluminum consumption of the rotor is reduced. The method is applied to the field of motors.
Description
Technical field
The present invention relates to machine field, relate in particular to a kind of processing method that reduces ultra-high efficient motor rotor aluminium consumption.
Background technology
The efficiency of three-phase AC asynchronous motor is the ratio of power output and input power, and input power is less, and the efficiency of motor is just higher.The difference of input power and power output is the total losses of motor, minute: the iron loss of stator copper loss, rotor aluminium consumption, silicon steel sheet, mechanical friction and the wind abrasion of fan cooled combination, the supplementary load loss that cause because of many uncertain factors such as technological fluctuations are referred to as stray loss.Casting aluminum rotor is the basic demand of cage-type induction machine, because being pressed into the molten aluminium of liquid in rotor, make rotor produce stress at notch position, thereby the theoretical height calculating of the aluminium loss-rate that makes the actual generation of motor is a lot, bowlder outside processing rotor, if processing parameter setting is fine, can eliminate part aluminium consumption, if set improperly, be on the contrary that rotor aluminium consumption also can increase on original basis a lot.The rotor of three-phase cage induction motor is after die-casting melting aluminium is cooling, notch periphery at rotor punching, because born the molten aluminium of liquid that reaches 750 ℃, be subject to cold and hot official post silicon steel to produce edge stress at flute profile place, this stress can strengthen the contact resistance of rotor, and the corresponding increasing of aluminium consumption that produces rotor may.What bring is the consequence that efficiency is low, rotor surface temperature is high of motor.Traditional method is that minute two work step operations meet the demands: the one, in rotor appearance, blank aluminium lamination turning light is gone out; The 2nd, in the rotor notch air gap value between one of turning and stator on request, the rotor aluminium consumption that this method produces is larger.
Summary of the invention
The object of this invention is to provide a kind of easy to processly, can improve electric efficiency, reduce the processing method of reduction ultra-high efficient motor rotor aluminium consumption of the temperature of rotor surface.
The present invention is achieved in that a kind of processing method that reduces ultra-high efficient motor rotor aluminium consumption, it is characterized in that: comprise the following steps: 1) turning in the technological parameter of regulation of the blank aluminium of rotor surface is fallen; 2) technological parameter in accordance with regulations, the air gap value turning of the 3/5-9/10 that the air gap value of rotor outer circle is worth is in accordance with regulations fallen; 3) technological parameter of regulation, falls the allowance turning of the 1/5-1/10 finish turning of rotor outer circle air gap value, and the stroke directions of its feed and the rapid roughing opposite direction of first two steps.
Technological parameter in step 1) of the present invention is: cutting speed: 1000rpm; Feed: 300mm/min.
Step 2 of the present invention) technological parameter in is: cutting speed: 1000rpm; Feed: 400mm/min.
Technological parameter in step 3) of the present invention is: cutting speed: 1000rpm; Feed: 400mm/min.
The present invention is easy to process, has improved electric efficiency, has reduced the temperature of rotor surface, has reduced rotor aluminium consumption.
Embodiment
A processing method that reduces ultra-high efficient motor rotor aluminium consumption, is characterized in that: comprise the following steps: 1) turning in the technological parameter of regulation of the blank aluminium of rotor surface is fallen; 2) technological parameter in accordance with regulations, the air gap value turning of the 3/5-9/10 that the air gap value of rotor outer circle is worth is in accordance with regulations fallen; 3) technological parameter of regulation, falls the allowance turning of the 1/5-1/10 finish turning of rotor outer circle air gap value, and the stroke directions of its feed and the rapid roughing opposite direction of first two steps.Technological parameter in described step 1) is: cutting speed: 1000rpm; Feed: 300mm/min.Described step 2) technological parameter in is: cutting speed: 1000rpm; Feed: 400mm/min.Technological parameter in described step 3) is: cutting speed: 1000rpm; Feed: 400mm/min.During concrete enforcement, with YE3-200L-4-30KW, 380V/50HZ, typical model machine, the difference of carrying out processing technology step and technological parameter causes the comparison that rotor aluminium consumption varies in size:
Table 1(Theoretical Design value)
Traditional processing technology and the parameter of table 2()
From table, the parameter of verification experimental verification is found out, traditional handicraft turning rotor cylindrical divides two work step operations, and technological parameter is thick, finish turning cutting force is equidirectional, has strengthened the stress of rotor surface, and rotor aluminium consumption is increased more.
New processing technology and the parameter of table 3()
Above-mentioned checking explanation; Adopt the air gap value of new rotor outer circle turning process parameter, rotor to divide slightly, finish turning two steps implement, by improving process velocity and the feed of finish turning, and make the direction of finish turning and the first two walk rough turn opposite direction, the equidirectional cutting stress because of cutting generation of the stress effectively cold and hot difference of rotor surface being caused and the first two step is eliminated, reduced rotor aluminium consumption and reached 86.6W, reduced rate is 17.6%; The temperature of rotor surface reduces by 10.7 ℃, and the reduction of rotor surface temperature makes comprehensive stray loss also reduce 79.4W, and reduced rate reaches 15.7%.Use such advanced technologies totally to make the efficiency of this motor improve 0.48%.The present invention is applied in ultra-high efficient motor, and the rotor aluminium causing by reduction manufacturing process consumes to improve electric efficiency, makes motor in the situation of low material cost, be issued to the process innovation of ultra high efficiency standard-required.Improved the efficiency of motor, also reduced the temperature of rotor surface, made motor become the energy-conserving product of environmental protection, safety.
Claims (4)
1. a processing method that reduces ultra-high efficient motor rotor aluminium consumption, is characterized in that: comprise the following steps: 1) turning in the technological parameter of regulation of the blank aluminium of rotor surface is fallen; 2) technological parameter in accordance with regulations, the air gap value turning of the 3/5-9/10 that the air gap value of rotor outer circle is worth is in accordance with regulations fallen; 3) technological parameter of regulation, falls the allowance turning of the 1/5-1/10 finish turning of rotor outer circle air gap value, and the stroke directions of its feed and the rapid roughing opposite direction of first two steps.
2. according to a kind of processing method that reduces ultra-high efficient motor rotor aluminium consumption described in claim 1, it is characterized in that: the technological parameter in described step 1) is: cutting speed: 1000rpm; Feed: 300mm/min.
3. according to a kind of processing method that reduces ultra-high efficient motor rotor aluminium consumption described in claim 1, it is characterized in that: the technological parameter described step 2) is: cutting speed: 1000rpm; Feed: 400mm/min.
4. according to a kind of processing method that reduces ultra-high efficient motor rotor aluminium consumption described in claim 1, it is characterized in that: the technological parameter in described step 3) is: cutting speed: 1000rpm; Feed: 400mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686432.8A CN103633791B (en) | 2013-12-17 | 2013-12-17 | A kind of processing method reducing ultra-high efficient motor rotor aluminum consumption |
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| CN201310686432.8A CN103633791B (en) | 2013-12-17 | 2013-12-17 | A kind of processing method reducing ultra-high efficient motor rotor aluminum consumption |
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| CN103633791A true CN103633791A (en) | 2014-03-12 |
| CN103633791B CN103633791B (en) | 2015-08-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03178544A (en) * | 1989-12-04 | 1991-08-02 | Mitsubishi Electric Corp | Manufacture of rotor |
| CN101656447A (en) * | 2009-08-12 | 2010-02-24 | 湖州南洋电机有限公司 | Manufacturing method of motor rotor with lower aluminum consumption and motor rotor |
| CN101954492A (en) * | 2010-10-26 | 2011-01-26 | 南阳防爆集团股份有限公司 | Processing technology for excircle of high-efficiency motor rotor |
| CN102355098A (en) * | 2011-10-12 | 2012-02-15 | 文登奥文电机有限公司 | High-frequency cast aluminium rotor surface treatment process |
-
2013
- 2013-12-17 CN CN201310686432.8A patent/CN103633791B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03178544A (en) * | 1989-12-04 | 1991-08-02 | Mitsubishi Electric Corp | Manufacture of rotor |
| CN101656447A (en) * | 2009-08-12 | 2010-02-24 | 湖州南洋电机有限公司 | Manufacturing method of motor rotor with lower aluminum consumption and motor rotor |
| CN101954492A (en) * | 2010-10-26 | 2011-01-26 | 南阳防爆集团股份有限公司 | Processing technology for excircle of high-efficiency motor rotor |
| CN102355098A (en) * | 2011-10-12 | 2012-02-15 | 文登奥文电机有限公司 | High-frequency cast aluminium rotor surface treatment process |
Non-Patent Citations (1)
| Title |
|---|
| 曹红波等: "15F级燃气轮机转子加工工艺研究", 《热力透平》, vol. 41, no. 2, 30 June 2012 (2012-06-30) * |
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| CN103633791B (en) | 2015-08-19 |
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