CN103722351A - Process for machining gear main shaft of high-power wind turbine generator set - Google Patents
Process for machining gear main shaft of high-power wind turbine generator set Download PDFInfo
- Publication number
- CN103722351A CN103722351A CN201310657178.9A CN201310657178A CN103722351A CN 103722351 A CN103722351 A CN 103722351A CN 201310657178 A CN201310657178 A CN 201310657178A CN 103722351 A CN103722351 A CN 103722351A
- Authority
- CN
- China
- Prior art keywords
- machining
- allowance
- grinding
- wind turbine
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a process for machining a gear main shaft of a high-power wind turbine generator set and relates to the adjustment of the sequence of heat treating and machining in the technological process. The specific process includes the steps of carrying out rough machining and semi-finishing machining on a blank, machining a gear and gear teeth, machining a spline, coating anti-seepage agents, carrying out heat treatment, and finally carrying out external grinding and tooth grinding. Accordingly, a part is machined. Meanwhile, in the machining process, imported high-end devices and tools are used in critical procedures and are cooperated with a heat treatment micro-distortion control technology so that specialized complete process machining from the blank to the finished product can be achieved. Through the process for machining the gear main shaft of the high-power wind turbine generator set, a fine metallographic structure and an even carburized layer can be obtained through the heat treatment. Consequently, the strength and accuracy of the spline are improved, the weight of the gear main shaft is reduced, and the service life of the gear main shaft is prolonged.
Description
Technical field
The present invention relates to a kind of axis processing technique, particularly a kind of high-power wind turbine unit gear spindle processing technique.
Background technology
Offshore wind farm, as the state-of-the-art technology of global wind-powered electricity generation, is the following most possible new technology that reduces wind-powered electricity generation cost of electricity-generating, becomes the focus that the whole world receives much concern.For large-scale offshore wind power equipment, the lightweight of wind-powered electricity generation unit and long-life become the technological difficulties of research.The current domestic ripe high-power offshore wind farm unit equipment that lacks, substantially take and introduces technology as main, and do not digest and assimilate completely.
The new processing technology of high-power wind turbine unit gear main shaft, be the advanced core technology of gear spindle processing, can solve the difficult point of domestic high-power (5MW, 6MW) unit production domesticization at present, catch the historic opportunities of world's wind-power market development, effectively seize European market, promote economic development.Simultaneously, lifting to the design concept of high-power wind turbine unit core product and manufacturing technology has good reference function, and can realize the technological change of close Axle Parts, for energy-saving and emission-reduction, cut down finished cost, increase the service life, guarantee that the aspects such as security of operation all have great importance.
Summary of the invention
The technical problem that [1] will solve
The technical problem to be solved in the present invention is to provide a kind of high-power wind turbine unit gear spindle processing technique that can improve total quality.
The technical scheme of [2] dealing with problems
The invention provides a kind of high-power wind turbine unit gear spindle processing technique, comprise the following steps:
A, base;
A1, blank are made, and adopt the mode machining blanks that forges or cast;
A2, shaft blank roughing, turning machining shaft end face, axle cylindrical, step surface, tooth cylindrical and increment face, axial end is reserved the allowance of 5mm～10mm, the allowance of all the other reserved 2mm～6mm, integral surface slightly degree of making is Ra6.3;
B, semifinishing;
B1, half finish turning, turning axial end, axle cylindrical, tooth cylindrical and step surface, each step surface place processing escape, axial end is reserved the allowance of 2mm～5mm, the allowance of the reserved 0.3mm～0.7mm of axle cylindrical, the allowance of all the other reserved 0.2mm～0.5mm, integral surface slightly degree of making is Ra3.2;
B2, cutting thread, be positioned at the first end cutted thread of axle;
B3, mill teeth, upper rolling tooth machine gear hobbing processing tooth portion, tooth-face roughness is Ra3.2;
B4, annular knurl key, process spline by the mode of rolling cut or milling or grinding;
C, surface spraying, integral surface is coated permeability-reducing admixture;
D, heat treatment, temper again after integral quenching;
E, fine finishining;
E1, finish turning, first car is removed end face allowance centering, and then turning is except each step surface place allowance, the cylindrical of reface machining shaft and reserved 0.1mm～0.4mm allowance;
E2, cylindrical grinding, it is Ra0.8 to surface roughness that axle Excircle machining surplus is removed in grinding, and it is Ra1.6 to surface roughness that outside circle allowance is removed in grinding, and grinding axial end to surface roughness is Ra0.8, and grinding pillow block terrace to surface roughness is Ra1.6;
E3, roll flute, the grinding flank of tooth to surface roughness is Ra0.8;
F, check, check overall dimension is also filled in examining report, has detected rear warehouse-in.
Further, in step b3, adopt high speed tooth milling machine mill teeth.
Further, in steps d, adopt sealed multipurpose furnace.
Further, in step a, selection is 18CrNiMo6.
[3] beneficial effect
High-power wind turbine unit gear spindle processing technique of the present invention, can guarantee that heat treatment process obtains fine and smooth metallographic structure and uniform carburized layer, thereby improve intensity and the precision of spline, and then realize product lightweight and long-life.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-power wind turbine unit gear main shaft of the present invention;
The flow chart of Fig. 2 high-power wind turbine unit of the present invention gear spindle processing technique.
The specific embodiment
Below in conjunction with accompanying drawing, introduce in detail the embodiment of the present invention.
Consult Fig. 1 to Fig. 2, the invention provides a kind of high-power wind turbine unit gear spindle processing technique, comprise the following steps:
A, base;
A1, blank are made, and adopt the mode machining blanks that forges or cast;
A2, shaft blank roughing, turning machining shaft end face, axle cylindrical, step surface, tooth cylindrical and increment face, axial end is reserved the allowance of 5mm～10mm, the allowance of all the other reserved 2mm～6mm, integral surface slightly degree of making is Ra6.3;
B, semifinishing;
B1, half finish turning, turning axial end, axle cylindrical, tooth cylindrical and step surface, each step surface place processing escape, axial end is reserved the allowance of 2mm～5mm, the allowance of the reserved 0.3mm～0.7mm of axle cylindrical, the allowance of all the other reserved 0.2mm～0.5mm, integral surface slightly degree of making is Ra3.2;
B2, cutting thread, be positioned at the first end cutted thread of axle;
B3, mill teeth, upper rolling tooth machine gear hobbing processing tooth portion, tooth-face roughness is Ra3.2;
B4, annular knurl key, process spline by the mode of rolling cut or milling or grinding;
C, surface spraying, integral surface is coated permeability-reducing admixture;
D, heat treatment, temper again after integral quenching;
E, fine finishining;
E1, finish turning, first car is removed end face allowance centering, and then turning is except each step surface place allowance, the cylindrical of reface machining shaft and reserved 0.1mm～0.4mm allowance;
E2, cylindrical grinding, it is Ra0.8 to surface roughness that axle Excircle machining surplus is removed in grinding, and it is Ra1.6 to surface roughness that outside circle allowance is removed in grinding, and grinding axial end to surface roughness is Ra0.8, and grinding pillow block terrace to surface roughness is Ra1.6;
E3, roll flute, the grinding flank of tooth to surface roughness is Ra0.8;
F, check, check overall dimension is also filled in examining report, has detected rear warehouse-in.
In order to improve crudy, in step b3, adopt high speed tooth milling machine mill teeth.
In order to improve thermal effectiveness, in steps d, adopt sealed multipurpose furnace, and and be aided with MICROCOMPUTER PROCESSING programming control device and carbon potential control meter.
In the present embodiment, in step a, selection is 18CrNiMo6.
In the present invention, first blank is carried out to roughing, semifinishing, then machining gears, flute profile, process spline, is then coated with permeability-reducing admixture, heat-treats, and last cylindrical grinding, roll flute, complete the processing of part.
Meanwhile, in process, for critical process, use import high-end devices and instrument, coordinate the micro-deformed Control Technology of heat treatment, can realize the specialized total order processing from blank to finished product, such as: high speed tooth milling machine when machining gears, flute profile, used; During heat treatment, use the advanced sealed multipurpose furnace of import, and be aided with MICROCOMPUTER PROCESSING programming control device and carbon potential control meter.
The present invention and conventional machining technique main difference part be, what common process often adopted is the mode of first heat treatment reprocessing, and annular knurl key carries out after carburizing and quenching, and such result is, the surface of spline is the soft flank of tooth, and the carburized layer uniformity is poor.And the technique that the present invention adopts be the operation of annular knurl key is placed in to carburizing and quenching before, can guarantee that like this splined surfaces obtaining is the hard flank of tooth, effectively improve the carburized layer uniformity simultaneously.In addition, also the cutting thread operation after coming heat treatment in common process, before annular knurl key has also been adjusted in Vehicle Processing operation.
High-power wind turbine unit gear spindle processing technique of the present invention, can guarantee that heat treatment process obtains fine and smooth metallographic structure and uniform carburized layer, thereby improve intensity and the precision of spline, and then realize product lightweight and long-life.
Claims (4)
1. a high-power wind turbine unit gear spindle processing technique, is characterized in that, comprises the following steps:
A, base;
A1, blank are made, and adopt the mode machining blanks that forges or cast;
A2, shaft blank roughing, turning machining shaft end face, axle cylindrical, step surface, tooth cylindrical and increment face, axial end is reserved the allowance of 5mm～10mm, the allowance of all the other reserved 2mm～6mm, integral surface slightly degree of making is Ra6.3;
B, semifinishing;
B1, half finish turning, turning axial end, axle cylindrical, tooth cylindrical and step surface, each step surface place processing escape, axial end is reserved the allowance of 2mm～5mm, the allowance of the reserved 0.3mm～0.7mm of axle cylindrical, the allowance of all the other reserved 0.2mm～0.5mm, integral surface slightly degree of making is Ra3.2;
B2, cutting thread, be positioned at the first end cutted thread of axle;
B3, mill teeth, upper rolling tooth machine gear hobbing processing tooth portion, tooth-face roughness is Ra3.2;
B4, annular knurl key, process spline by the mode of rolling cut or milling or grinding;
C, surface spraying, integral surface is coated permeability-reducing admixture;
D, heat treatment, temper again after integral quenching;
E, fine finishining;
E1, finish turning, first car is removed end face allowance centering, and then turning is except each step surface place allowance, the cylindrical of reface machining shaft and reserved 0.1mm～0.4mm allowance;
E2, cylindrical grinding, it is Ra0.8 to surface roughness that axle Excircle machining surplus is removed in grinding, and it is Ra1.6 to surface roughness that outside circle allowance is removed in grinding, and grinding axial end to surface roughness is Ra0.8, and grinding pillow block terrace to surface roughness is Ra1.6;
E3, roll flute, the grinding flank of tooth to surface roughness is Ra0.8;
F, check, check overall dimension is also filled in examining report, has detected rear warehouse-in.
2. high-power wind turbine unit gear spindle processing technique as claimed in claim 1, is characterized in that: in step b3, adopt high speed tooth milling machine mill teeth.
3. high-power wind turbine unit gear spindle processing technique as claimed in claim 1, is characterized in that: in steps d, adopt sealed multipurpose furnace.
4. high-power wind turbine unit gear spindle processing technique as claimed in claim 1, is characterized in that: in step a, selection is 18CrNiMo6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657178.9A CN103722351B (en) | 2013-12-04 | 2013-12-04 | High-power wind turbine unit main gear shaft processing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657178.9A CN103722351B (en) | 2013-12-04 | 2013-12-04 | High-power wind turbine unit main gear shaft processing technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103722351A true CN103722351A (en) | 2014-04-16 |
| CN103722351B CN103722351B (en) | 2016-07-06 |
Family
ID=50446775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310657178.9A Active CN103722351B (en) | 2013-12-04 | 2013-12-04 | High-power wind turbine unit main gear shaft processing technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103722351B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128753A (en) * | 2014-07-24 | 2014-11-05 | 成都亨通兆业精密机械有限公司 | Lathe spindle machining technology facilitating machining efficiency and surface quality |
| CN104289867A (en) * | 2014-08-22 | 2015-01-21 | 南通力科机床制造有限公司 | Machining technology of machine tool spindle |
| CN104308476A (en) * | 2014-04-30 | 2015-01-28 | 西门子公司 | Method for manufacturing steam extraction device |
| CN105522355A (en) * | 2014-12-31 | 2016-04-27 | 中冶南方(武汉)重工制造有限公司 | Manufacturing and processing method for spiral gear capable of axially moving |
| CN104308476B (en) * | 2014-04-30 | 2017-01-04 | 西门子公司 | The method manufacturing vapor extraction device |
| CN106695266A (en) * | 2017-01-23 | 2017-05-24 | 重庆蓝黛动力传动机械股份有限公司 | Machining method for automobile transmission disk gear |
| CN106762786A (en) * | 2017-03-17 | 2017-05-31 | 青岛泰德汽车轴承股份有限公司 | A kind of shaft device of water pump shaft connecting bearings |
| CN106825775A (en) * | 2017-01-19 | 2017-06-13 | 重庆大学 | Few teeth difference precise planetary reducer interior bracing technique |
| CN107263028A (en) * | 2017-06-20 | 2017-10-20 | 合肥尚涵装饰工程有限公司 | A kind of processing technology of Novel shaft class part machinery |
| CN108838632A (en) * | 2018-09-04 | 2018-11-20 | 广州市锐美汽车零部件有限公司 | A kind of electric machine main shaft processing method |
| CN110227914A (en) * | 2019-05-27 | 2019-09-13 | 郑州机械研究所有限公司 | A kind of high-precision processing method of the gear shaft of finishing mill of high-speed wire rod mill group |
| CN110369979A (en) * | 2019-08-19 | 2019-10-25 | 丹阳河工工具有限公司 | A kind of processing technology of anti-breaking type screw tap |
| CN111546000A (en) * | 2020-05-03 | 2020-08-18 | 南通捷越机电有限公司 | Production and processing technology of high-speed rotor shaft |
| TWI717809B (en) * | 2019-08-19 | 2021-02-01 | 時碩工業股份有限公司 | Method for manufacturing metal products |
| CN115213641A (en) * | 2022-07-29 | 2022-10-21 | 中国第一汽车股份有限公司 | Processing method of transmission input shaft |
| CN115255842A (en) * | 2022-06-23 | 2022-11-01 | 中国第一汽车股份有限公司 | Processing method of transmission gear and transmission gear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958216A (en) * | 2006-08-18 | 2007-05-09 | 株洲齿轮有限责任公司 | Combined technology for milling and grinding tooth parts of spiral taper gear |
| JP2009156449A (en) * | 2007-12-28 | 2009-07-16 | O-Oka Corp | Integrally molded gear with gear and spline shaft |
| JP2009250418A (en) * | 2008-04-10 | 2009-10-29 | Toyota Motor Corp | Method of manufacturing hollow gear |
| CN201351726Y (en) * | 2009-02-26 | 2009-11-25 | 杭州宗兴齿轮有限公司 | Main reducer gear pair of wet-type braking loading machine |
| CN103286533A (en) * | 2013-05-28 | 2013-09-11 | 重庆市首业机械制造有限公司 | Processing technology for rear axle drive bevel gear |
-
2013
- 2013-12-04 CN CN201310657178.9A patent/CN103722351B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958216A (en) * | 2006-08-18 | 2007-05-09 | 株洲齿轮有限责任公司 | Combined technology for milling and grinding tooth parts of spiral taper gear |
| JP2009156449A (en) * | 2007-12-28 | 2009-07-16 | O-Oka Corp | Integrally molded gear with gear and spline shaft |
| JP2009250418A (en) * | 2008-04-10 | 2009-10-29 | Toyota Motor Corp | Method of manufacturing hollow gear |
| CN201351726Y (en) * | 2009-02-26 | 2009-11-25 | 杭州宗兴齿轮有限公司 | Main reducer gear pair of wet-type braking loading machine |
| CN103286533A (en) * | 2013-05-28 | 2013-09-11 | 重庆市首业机械制造有限公司 | Processing technology for rear axle drive bevel gear |
Non-Patent Citations (1)
| Title |
|---|
| 许淑珍等: "水泥搅拌车底盘驱动桥主动锥齿轮加工工艺设计", 《机械设计与制造》, no. 1, 31 January 2008 (2008-01-31), pages 126 - 128 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308476A (en) * | 2014-04-30 | 2015-01-28 | 西门子公司 | Method for manufacturing steam extraction device |
| CN104308476B (en) * | 2014-04-30 | 2017-01-04 | 西门子公司 | The method manufacturing vapor extraction device |
| CN104128753A (en) * | 2014-07-24 | 2014-11-05 | 成都亨通兆业精密机械有限公司 | Lathe spindle machining technology facilitating machining efficiency and surface quality |
| CN104289867A (en) * | 2014-08-22 | 2015-01-21 | 南通力科机床制造有限公司 | Machining technology of machine tool spindle |
| CN104289867B (en) * | 2014-08-22 | 2016-09-07 | 南通力科机床制造有限公司 | A kind of processing technique of machine tool chief axis |
| CN105522355A (en) * | 2014-12-31 | 2016-04-27 | 中冶南方(武汉)重工制造有限公司 | Manufacturing and processing method for spiral gear capable of axially moving |
| CN106825775A (en) * | 2017-01-19 | 2017-06-13 | 重庆大学 | Few teeth difference precise planetary reducer interior bracing technique |
| CN106695266A (en) * | 2017-01-23 | 2017-05-24 | 重庆蓝黛动力传动机械股份有限公司 | Machining method for automobile transmission disk gear |
| CN106762786A (en) * | 2017-03-17 | 2017-05-31 | 青岛泰德汽车轴承股份有限公司 | A kind of shaft device of water pump shaft connecting bearings |
| CN107263028A (en) * | 2017-06-20 | 2017-10-20 | 合肥尚涵装饰工程有限公司 | A kind of processing technology of Novel shaft class part machinery |
| CN108838632A (en) * | 2018-09-04 | 2018-11-20 | 广州市锐美汽车零部件有限公司 | A kind of electric machine main shaft processing method |
| CN110227914A (en) * | 2019-05-27 | 2019-09-13 | 郑州机械研究所有限公司 | A kind of high-precision processing method of the gear shaft of finishing mill of high-speed wire rod mill group |
| CN110227914B (en) * | 2019-05-27 | 2022-07-12 | 郑州机械研究所有限公司 | High-precision machining method for gear shaft of high-speed wire finishing mill group |
| CN110369979A (en) * | 2019-08-19 | 2019-10-25 | 丹阳河工工具有限公司 | A kind of processing technology of anti-breaking type screw tap |
| TWI717809B (en) * | 2019-08-19 | 2021-02-01 | 時碩工業股份有限公司 | Method for manufacturing metal products |
| CN111546000A (en) * | 2020-05-03 | 2020-08-18 | 南通捷越机电有限公司 | Production and processing technology of high-speed rotor shaft |
| CN115255842A (en) * | 2022-06-23 | 2022-11-01 | 中国第一汽车股份有限公司 | Processing method of transmission gear and transmission gear |
| CN115213641A (en) * | 2022-07-29 | 2022-10-21 | 中国第一汽车股份有限公司 | Processing method of transmission input shaft |
| CN115213641B (en) * | 2022-07-29 | 2024-03-19 | 中国第一汽车股份有限公司 | Method for machining transmission input shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103722351B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103722351A (en) | Process for machining gear main shaft of high-power wind turbine generator set | |
| CN103737255B (en) | Depth of penetration Deviation Control Method | |
| CN103009007B (en) | The processing technology of Nuclear Power Station main pump impeller | |
| CN104959794A (en) | Method for machining large inner gear ring of wind turbine gear box | |
| CN102848159B (en) | A kind of processing method of large-modulus few-tooth Involute gear | |
| CN105243215B (en) | Electric main shaft structure optimization method based on parameter finite element model | |
| CN106425286A (en) | Machining method for deformation control of high-precision thin-wall cylinder shaft | |
| CN103949854B (en) | Large diameter circular arc tooth plate segmental machining method | |
| CN104353975A (en) | Processing method for nitrided gears | |
| CN104708132B (en) | Point tooth-like gear teeth face polishing processing method based on double peak pulse current electrochemical copolymerization machinery | |
| CN106312468A (en) | Turntable bearing machining method | |
| CN102848158A (en) | Method for machining hardened face gear | |
| CN104400365A (en) | Machining method of wind power generation yawing gear ring | |
| CN109604957A (en) | A kind of processing method of the open thin-wall titanium alloy part of high-precision configuration | |
| CN102303219B (en) | Machining method for worm tooth profile of cutter shaft of large gear shaping machine | |
| CN102528387B (en) | Method for machining yawing gear ring | |
| CN203847661U (en) | Integrated bevel gear | |
| CN103506816A (en) | Processing technique of planet carrier of coal cutter | |
| CN112605404B (en) | Turning process of main shaft of oversized wind generating set | |
| CN101829887B (en) | Method for remanufacturing semi-finishing milling cutter by using abandoned finishing milling cutter | |
| CN103084793A (en) | Composite machining technology for serial high-accuracy shafts with notches | |
| CN104646948A (en) | Machining method of high-precision gear shaft | |
| CN102672425A (en) | Processing technology of turntable | |
| CN106271473B (en) | The processing method for improving spiral bevel gear interchangeability | |
| CN201833177U (en) | Dressing device for bearing raceway surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 116600 No. 48-1 Fuquan North Road, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: Dalian geener heavy Limited by Share Ltd Address before: 116630 Liaoning province Dalian city Jinzhou District Dong Jia Gou Fuquan Road No. 48 Dalian geener Heavy Machinery Co. Patentee before: Dalian Clean Energy Heavy Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address |