CN101404425A - Monobloc forging solid rotor of high speed inductor generator and manufacturing method thereof - Google Patents
Monobloc forging solid rotor of high speed inductor generator and manufacturing method thereof Download PDFInfo
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- CN101404425A CN101404425A CNA2008101436582A CN200810143658A CN101404425A CN 101404425 A CN101404425 A CN 101404425A CN A2008101436582 A CNA2008101436582 A CN A2008101436582A CN 200810143658 A CN200810143658 A CN 200810143658A CN 101404425 A CN101404425 A CN 101404425A
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Abstract
The invention relates to an integral solid rotor of a high speed induction generator and a manufacturing method thereof. The integral solid rotor of the high speed induction generator comprises a rotating shaft iron core integral body, a rotor conducting bar, an end ring; an iron core structure, a reverse trapezoidal conducting bar groove, a rotor vent are processed on the rotating shaft iron core integral body; the excircle surface of the rotating shaft iron core integral body is provided with a ring-shaped deep groove, the lower end of the reverse trapezoidal conducting bar groove is opened with a straight groove base flute, and the rotor conducting bar is arranged in the straight groove base flute. The invention also comprises a manufacturing method of the integral solid rotor of the high speed induction generator. The running of the integral solid rotor of the high speed induction generator is reliable and the manufacturing method thereof solves the technical difficult problems of the processing of the conducting bar grooves, rotor ring-shaped deep grooves and vents and the welding of the rotor conducting bar and an end ring in the manufacturing process, thus effectively improving the production efficiency.
Description
Technical field
The present invention relates to a kind of generator amature and manufacture method thereof, especially relate to a kind of monobloc forging solid rotor of high speed inductor generator and manufacture method thereof.
Background technology
At present, rotor all adopts silicon steel punched chip to laminate into iron core and is assemblied in the rotating shaft, and the intensity of laminated core and linking intensity unshakable in one's determination and axle are difficult to satisfy high-speed electric expreess locomotive to the rotor running requirements; And there is the processing technology complexity in existing solid forging solid rotor, the problem that manufacture difficulty is big.
Summary of the invention
The object of the present invention is to provide a kind of processing technology simpler, make easier high-speed induction whole generator forging solid rotor and manufacture method thereof.
Purpose of the present invention is achieved by the following technical programs:
The present invention's high-speed induction whole generator forging solid rotor comprises rotating shaft, laminated core, rotor bar, end ring, it is characterized in that, rotating shaft and laminated core monobloc forging are one, on rotating shaft iron core monobloc forging body, be processed with core structure, fall trapezoidal sliver groove, rotor ventilation hole, the external circular surfaces of rotating shaft iron core monobloc forging is provided with annular deep trouth, falling the lower end of trapezoidal sliver groove has the bottom land straight trough, in the bottom land straight trough rotor bar is housed.
Below be further improved preferred version:
The draw ratio in described rotor ventilation hole＞1: 22, the rotor ventilation hole evenly distributes, and the skew of the relative porch of hole exits is in the one thousandth.
Described rotor bar is fastening with wedge.
Described end ring welding groove side has stress loop.
Described rotating shaft iron core monobloc forging body material should be selected the 25Cr2Ni4MoV steel alloy for use.
The present invention's monobloc forging solid rotor of high speed inductor generator manufacture method may further comprise the steps: with machine shaft, lamination monobloc forging is one; On the monobloc forging body, process required laminated core structure; Numerical control scale-division equipment is used in sliver groove processing, carries out calibration in the same way to falling trapezoidal sliver groove, adopts progressive in groups cover milling cutter processing, adjusts the flow and the direction that add the cooling fluid in man-hour, controls the wearing and tearing of cutter; The rotor annular deep trouth adopts intermittently, the method and the high pressure type of cooling of repeatedly cutting, to avoid the lathe tool fracture; The rotor ventilation hole adopts the floor type boring machine with deep hole machining function to process, and adds to be provided with the positioning and guiding workpiece man-hour; Described rotor bar adopts the machine work moulding; Scolder Castolin 1827 and supporting solder flux or 1802 and supporting solder flux are selected in the welding of described rotor bar and end ring for use, and welding procedure adopts intermediate-frequency braze welding.
The present invention's high-speed induction whole generator forging solid rotor is an one with rotating shaft and laminated core monobloc forging, replace the silicon steel punched chip laminated structure, rotor bar is fastening with wedge, and end ring welding groove side has stress loop, has effectively improved high-speed induction generator amature reliability of operation.Its manufacture method has solved the technical barrier that falls trapezoidal sliver groove processing, the processing of rotor annular deep trouth, ventilation hole processing, sliver and end ring processing, rotor bar and end ring welding processing in the manufacture process, has effectively improved production efficiency.
Description of drawings
Fig. 1 is the rotating shaft iron core monobloc forging body structure schematic diagram of the present invention's high-speed induction whole generator forging solid rotor one embodiment.
Fig. 2 is the external circular surfaces annular of a rotating shaft iron core monobloc forging shown in Figure 1 deep trouth A structure for amplifying schematic diagram.
Fig. 3 falls trapezoidal sliver groove, bottom land straight trough, rotor ventilation hole K to structural representation for rotating shaft iron core monobloc forging body shown in Figure 1.
Fig. 4 is the structural representation that sliver and end ring formation monobloc forging solid rotor of high speed inductor generator one embodiment of the present invention are installed on the rotating shaft iron core monobloc forging body iron core shown in Figure 1.
The stress loop B enlarged diagram of Fig. 5 for being provided with in the end ring shown in Figure 4.
Fig. 6 is rotor bar and wedge structure schematic diagram.
The positioning and guiding workpiece schematic diagram that Fig. 7 is provided with for the rotor ventilation hole.
Among the figure: 1. rotating shaft iron core monobloc forging body; 2. fall trapezoidal sliver groove; 3. bottom land straight trough; 4. rotor ventilation hole; 5. annular deep trouth; 6. end ring; 7. rotor bar; 8. stress loop; 9. wedge; 10. positioning and guiding workpiece.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
With reference to Fig. 1-6, present embodiment comprises rotating shaft iron core monobloc forging body 1, end ring 6, on rotating shaft iron core monobloc forging body 1, be processed with core structure, fall trapezoidal sliver groove 2, rotor ventilation hole 4, rotating shaft iron core monobloc forging body 1 outer round surface is provided with annular deep trouth 5, falling the lower end of trapezoidal sliver groove 2 has bottom land straight trough 3, is equipped with in bottom land straight trough 3 with the fastening rotor bar 7 of wedge 9.
With reference to Fig. 7, rotor ventilation hole 4 adds and is provided with positioning and guiding workpiece 10 man-hour.
Manufacture method: is one with the 25Cr2Ni4MoV material with machine shaft, lamination monobloc forging; 1 processes required laminated core structure on the monobloc forging body; Fall 2 processing of trapezoidal sliver groove, use numerical control scale-division equipment, carry out calibration in the same way, adopts progressive in groups cover milling cutter processing, adjust the flow and the direction that add the cooling fluid in man-hour, control the wearing and tearing of cutter falling trapezoidal sliver groove 2; Rotor annular deep trouth 5 adopts intermittently, the method and the high pressure type of cooling of repeatedly cutting, to avoid the lathe tool fracture; Rotor ventilation hole 4 adopts the floor type boring machine with deep hole machining function to process, and adds to be provided with positioning and guiding workpiece 10 (referring to Fig. 7) man-hour; State rotor bar 7 and adopt the machine work moulding; Scolder Castolin 1827 and supporting solder flux (or 1802 and supporting solder flux) are selected in described rotor bar 7 and end ring 6 welding for use, and welding procedure adopts intermediate-frequency braze welding, and 600 ℃, 8min finishes welding fast.
Claims (5)
1, a kind of monobloc forging solid rotor of high speed inductor generator, comprise rotating shaft, laminated core, rotor bar, end ring, it is characterized in that, rotating shaft and laminated core monobloc forging are one, on rotating shaft iron core monobloc forging body, be processed with core structure, fall trapezoidal sliver groove, rotor ventilation hole, the external circular surfaces of rotating shaft iron core monobloc forging is provided with annular deep trouth, falls the lower end of trapezoidal sliver groove to have the bottom land straight trough, in the bottom land straight trough rotor bar is housed.
2, monobloc forging solid rotor of high speed inductor generator according to claim 1 is characterized in that, the draw ratio in rotor ventilation hole＞1: 22, and the rotor ventilation hole evenly distributes, and the skew of the relative porch of hole exits is in the one thousandth.
3, monobloc forging solid rotor of high speed inductor generator according to claim 1 and 2 is characterized in that, rotor bar is fastening with wedge.
4, monobloc forging solid rotor of high speed inductor generator according to claim 1 and 2 is characterized in that, end ring welding groove side has stress loop.
5, a kind of manufacture method as one of claim 1-4 described monobloc forging solid rotor of high speed inductor generator is characterized in that, may further comprise the steps: with machine shaft, lamination monobloc forging is one; On the monobloc forging body, process required laminated core structure; Numerical control scale-division equipment is used in sliver groove processing, carries out calibration in the same way to falling trapezoidal sliver groove, adopts progressive in groups cover milling cutter processing, adjusts the flow and the direction that add the cooling fluid in man-hour, controls the wearing and tearing of cutter; The processing of annular deep trouth is adopted intermittently, the method and the high pressure type of cooling of repeatedly cutting; The rotor ventilation hole adopts the floor type boring machine with deep hole machining function to process, and adds to be provided with the positioning and guiding workpiece man-hour; Described rotor bar adopts the machine work moulding; Scolder Castolin 1827 and supporting solder flux or 1802 and supporting solder flux are selected in the welding of described rotor bar and end ring for use, and welding procedure adopts intermediate-frequency braze welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101436582A CN101404425A (en) | 2008-11-20 | 2008-11-20 | Monobloc forging solid rotor of high speed inductor generator and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101436582A CN101404425A (en) | 2008-11-20 | 2008-11-20 | Monobloc forging solid rotor of high speed inductor generator and manufacturing method thereof |
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| CN101404425A true CN101404425A (en) | 2009-04-08 |
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| CNA2008101436582A Pending CN101404425A (en) | 2008-11-20 | 2008-11-20 | Monobloc forging solid rotor of high speed inductor generator and manufacturing method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917075A (en) * | 2010-05-18 | 2010-12-15 | 李春光 | Punching sheet magnetic pole permanent magnet motor rotor |
| CN101944786A (en) * | 2010-10-15 | 2011-01-12 | 无锡哈电电机有限公司 | Rotor iron core structure of bipolar motor |
| CN102091937A (en) * | 2009-12-15 | 2011-06-15 | 上海重型机器厂有限公司 | Machining method of thermal power rotors |
| CN102904407A (en) * | 2011-07-25 | 2013-01-30 | 哈米尔顿森德斯特兰德公司 | Strength cast rotor for an induction motor |
| CN102097897B (en) * | 2009-12-15 | 2013-03-13 | 上海重型机器厂有限公司 | Mechanical manufacturing method for rotor shaft of heavy nuclear power generator |
| CN104167843A (en) * | 2014-09-05 | 2014-11-26 | 珠海凌达压缩机有限公司 | Motor rotor and air conditioner with same |
| CN104625281A (en) * | 2014-12-15 | 2015-05-20 | 哈尔滨电气动力装备有限公司 | Welding method for rotor copper end ring of shielded motor and copper strip splice |
| CN105743294A (en) * | 2014-12-25 | 2016-07-06 | 东芝三菱电机产业系统株式会社 | Cage-shaped rotor manufacturing method |
| CN107508400A (en) * | 2017-09-11 | 2017-12-22 | 合肥恒大江海泵业股份有限公司 | A kind of copper bar rotor |
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2008
- 2008-11-20 CN CNA2008101436582A patent/CN101404425A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091937A (en) * | 2009-12-15 | 2011-06-15 | 上海重型机器厂有限公司 | Machining method of thermal power rotors |
| CN102097897B (en) * | 2009-12-15 | 2013-03-13 | 上海重型机器厂有限公司 | Mechanical manufacturing method for rotor shaft of heavy nuclear power generator |
| CN102091937B (en) * | 2009-12-15 | 2013-04-10 | 上海重型机器厂有限公司 | Machining method of thermal power rotors |
| CN101917075A (en) * | 2010-05-18 | 2010-12-15 | 李春光 | Punching sheet magnetic pole permanent magnet motor rotor |
| CN101944786A (en) * | 2010-10-15 | 2011-01-12 | 无锡哈电电机有限公司 | Rotor iron core structure of bipolar motor |
| CN102904407A (en) * | 2011-07-25 | 2013-01-30 | 哈米尔顿森德斯特兰德公司 | Strength cast rotor for an induction motor |
| CN102904407B (en) * | 2011-07-25 | 2015-02-25 | 哈米尔顿森德斯特兰德公司 | Strength cast rotor for an induction motor |
| CN104167843A (en) * | 2014-09-05 | 2014-11-26 | 珠海凌达压缩机有限公司 | Motor rotor and air conditioner with same |
| CN104625281A (en) * | 2014-12-15 | 2015-05-20 | 哈尔滨电气动力装备有限公司 | Welding method for rotor copper end ring of shielded motor and copper strip splice |
| CN105743294A (en) * | 2014-12-25 | 2016-07-06 | 东芝三菱电机产业系统株式会社 | Cage-shaped rotor manufacturing method |
| CN105743294B (en) * | 2014-12-25 | 2018-06-26 | 东芝三菱电机产业系统株式会社 | cage rotor manufacturing method |
| CN107508400A (en) * | 2017-09-11 | 2017-12-22 | 合肥恒大江海泵业股份有限公司 | A kind of copper bar rotor |
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Open date: 20090408 |