CN100389905C - Processing method of impellor mould of pressurizing unit compressor - Google Patents
Processing method of impellor mould of pressurizing unit compressor Download PDFInfo
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- CN100389905C CN100389905C CNB2006100729125A CN200610072912A CN100389905C CN 100389905 C CN100389905 C CN 100389905C CN B2006100729125 A CNB2006100729125 A CN B2006100729125A CN 200610072912 A CN200610072912 A CN 200610072912A CN 100389905 C CN100389905 C CN 100389905C
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- impeller
- compressor
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- compressor impeller
- formpiston
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Abstract
The present invention discloses a processing method for an impeller mold of a compressor of a supercharger, which belongs to the technical field of mechanical processing and has the technical scheme that the processing method for an impeller mold of a compressor of a supercharger has the procedures: (1) the establishment of an impeller CAD mold of the compressor; (2) five-axle numerical control programming and simulation processing; (3) the rough forming of a low-melting point material; (4) the five-axle milling of an impeller male mold of the compressor of the low-melting point material; (5) the casting of a resin female mold and the melt of the impeller male mold of the low-melting point compressor; (6) the casting of a silicon rubber male mold; (7) the duplication of a plaster female mold; (8) the casting of an aluminum impeller molded product. The present invention has the advantages of high-accuracy cast products by adopting the method, short production and development cycles and low cost.
Description
Technical field:
The invention belongs to machining, casting technology field, be specifically related to a kind of processing method of impellor mould of pressurizing unit compressor.
Background technology:
The compressor impeller blank of general vehicle supercharger is to form by hot investment casting.Promptly utilize metal die to carry out multisteps such as sn-bi alloy, silicon rubber, gypsum, resin and turn over system technology suddenly, finally obtain the aluminum compressor impeller.Adopt this method to turn over the die process complexity, hand grinding often, manual intervention is big, precision of blades loss is also just big, and the process-cycle is longer.
Summary of the invention:
The present invention is just in order to solve the deficiency of above existing manufacturing technology, and proposes a kind of processing method of impellor mould of pressurizing unit compressor.
Technical scheme of the present invention is: a kind of processing method of impellor mould of pressurizing unit compressor, and its processing step is:
1. low melting material blank moulding: adopting fusing point is the diffusing sheet raw material of 47 °-70 ° low melting point pie, after the electric furnace heat fused, in vacuum drying oven, pour drum shape blank moulding frock into, treat half solidification and crystallization state, carry out artificial hammering, natural cooling forming;
2. roughing turning low melting material compressor impeller blank: the cylindrical blank of moulding is carried out roughing turning before five-shaft numerical control mills, promptly adopt the scroll chuck mode to locate, little cutting output, fast feeding processing technology are adopted in each zone cutting, and adding the man-hour cooling fluid can not pause;
3. use pro/engineer software, set up the compressor impeller threedimensional model; And model is amplified according to 3% ratio;
4. five-shaft numerical control programming, emulation, processing: with step 2. the compressor impeller blank clamping of roughing turning on the five-shaft numerical control machining center, with the compressor impeller threedimensional model of setting up, carry out the five-shaft numerical control programming, carry out machining simulation, millings such as low melting material gas compressor blade impeller blade, wheel hub, runner are carried out in correct back on the five-shaft numerical control machining center, machine the impeller material object that amplify for the 2.5%--3.5% ratio back, this compressor impeller custom is referred to as the mould formpiston;
5. record resin former, fusing low melting point compressor impeller formpiston: with the compressor impeller formpiston after the milling, size according to profile puts it in the columned frock, in vacuum drying oven, record the resin former, boiling water with 100 ℃ after 24 hours melts the low melting point impeller, and resin compressor impeller former completes;
6. record the silicon rubber formpiston: after silicon rubber is stirred, turn over system silicon rubber formpiston, and repair processing in defective place;
7. turn over system gypsum former: turn over the silicon rubber formpiston of system more than inciting somebody to action, carry out the system of turning over of gypsum former;
8. use gypsum former cast aluminum impeller shaped article.
Beneficial effect of the present invention: adopt this method in the booster industry, can obtain hot investment casting compressor impeller product fast, and cost is low, the precision height.
The specific embodiment:
Below most preferred embodiment of the present invention is described in detail, a kind of processing method of impellor mould of pressurizing unit compressor, its processing step is:
1. low melting material blank moulding: low melting material is the diffusing sheet of pie when buying, make earlier blank and fusing frock, adopt fusing point be 47 °-70 ° low melting material all can because melting temperature is high more, the digital control processing comprehensive mechanical performance is good more, and material price is also cheap more.Raw material are poured the moulding frock into through the electric furnace heat fused in vacuum drying oven, treat half solidification and crystallization state, carry out artificial hammering, increase the tight ness rating of material, produce casting flaw to prevent material internal.Cooling forming is amplified in the influence of shrinkage factor when considering hot investment casting by 2.5%--3.5% percentage.
2. roughing turning low melting material compressor impeller blank: the formpiston of moulding is carried out turning processing before five-shaft numerical control mills, male mold adopts the scroll chuck mode to locate, because low melting material intensity is low, little cutting output, fast feeding processing technology are adopted in each zone cutting, the little cutting output milling of multilayer, it is less to connect tool marks at blade surface, can obtain evenly allowance, for the fine finishining blade provides good machining condition, help to provide the stock-removing efficiency and the surface quality of following process; Fast feeding helps to improve working (machining) efficiency; Little cutting output, fast feeding simultaneously can reduce Tool in Cutting power greatly; Five-shaft numerical control processing can be selected different milling cutters for use according to technological requirement, because material melting point is lower, adding the man-hour cooling fluid can not pause.
3. use pro/engineer software, set up the compressor impeller threedimensional model; And model is amplified according to 3% ratio;
4. five-shaft numerical control programming, emulation, processing: with step 2. the compressor impeller blank clamping of roughing turning on the five-shaft numerical control machining center, with the compressor impeller threedimensional model of setting up, carry out the five-shaft numerical control programming, carry out machining simulation, after correct program is input in five machining center equipment, carries out millings such as low melting material gas compressor blade impeller blade, wheel hub, runner.Its machining process route is: fluting roughing, wheel hub processing, three operations of blade fine finishining are carried out.When carrying out Impeller Machining, divide equally 360 degree, carry out the fluting subprogram according to the long and short number of blade, stressed evenly for guaranteeing the workpiece cutting, adopting the symmetrical grooving mode, is 8 long 8 weak points as blade, behind 0 degree direction fluting, should open second groove in 180 degree directions, afterwards 45 degree, 225 degree, fluting successively.Machine the impeller material object that amplify for the 2.5%--3.5% ratio back, this compressor impeller custom is referred to as formpiston;
5. record resin former, fusing low melting point compressor impeller formpiston: with the compressor impeller formpiston after the milling, size according to profile puts it in the columned container made of iron, in vacuum drying oven, record the resin former, take out after 24 hours, put into basin, wash away with 100 ℃ boiling water, the low melting material impeller is melted, take off and make resin compressor impeller former, collect the low melting point molten material simultaneously, can reuse next time;
6. record the silicon rubber formpiston: after silicon rubber is stirred, turn over system silicon rubber formpiston, and repair processing in defective place;
7. turn over system gypsum former: turn over the silicon rubber formpiston of system more than inciting somebody to action, carry out the system of turning over of gypsum former;
8. use gypsum former cast aluminum impeller shaped article.
Claims (1)
1. the processing method of an impellor mould of pressurizing unit compressor, it is characterized in that: its processing step is
1. low melting material blank moulding: adopting fusing point is the diffusing sheet raw material of 47 °-70 ° low melting point pie, after the electric furnace heat fused, in vacuum drying oven, pour drum shape blank moulding frock into, treat half solidification and crystallization state, carry out artificial hammering, natural cooling forming;
2. roughing turning low melting material compressor impeller blank: the cylindrical blank of moulding is carried out roughing turning before five-shaft numerical control mills, promptly adopt the scroll chuck mode to locate, little cutting output, fast feeding processing technology are adopted in each zone cutting, and adding the man-hour cooling fluid can not pause;
3. use pro/engineer software, set up the compressor impeller threedimensional model; And model is amplified according to 3% ratio;
4. five-shaft numerical control programming, emulation, processing: with step 2. the compressor impeller blank clamping of roughing turning on the five-shaft numerical control machining center, with the compressor impeller threedimensional model of setting up, carry out the five-shaft numerical control programming, carry out machining simulation, millings such as low melting material gas compressor blade impeller blade, wheel hub, runner are carried out in correct back on the five-shaft numerical control machining center, machine the impeller material object that amplify for the 2.5%--3.5% ratio back, this compressor impeller custom is referred to as the mould formpiston;
5. record resin former, fusing low melting point compressor impeller formpiston: with the compressor impeller formpiston after the milling, size according to profile puts it in the columned frock, in vacuum drying oven, record the resin former, boiling water with 100 ℃ after 24 hours melts the low melting point impeller, and resin compressor impeller former completes;
6. record the silicon rubber formpiston: after silicon rubber is stirred, turn over system silicon rubber formpiston, and repair processing in defective place;
7. turn over system gypsum former: turn over the silicon rubber formpiston of system more than inciting somebody to action, carry out the system of turning over of gypsum former;
8. use gypsum former cast aluminum impeller shaped article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100729125A CN100389905C (en) | 2006-04-05 | 2006-04-05 | Processing method of impellor mould of pressurizing unit compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100729125A CN100389905C (en) | 2006-04-05 | 2006-04-05 | Processing method of impellor mould of pressurizing unit compressor |
Publications (2)
| Publication Number | Publication Date |
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| CN1830597A CN1830597A (en) | 2006-09-13 |
| CN100389905C true CN100389905C (en) | 2008-05-28 |
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| CNB2006100729125A Expired - Fee Related CN100389905C (en) | 2006-04-05 | 2006-04-05 | Processing method of impellor mould of pressurizing unit compressor |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362213B (en) * | 2008-08-30 | 2012-09-26 | 中国北车集团大连机车研究所有限公司 | Pressure booster blower impeller ex-meridian turning process |
| CN101480699B (en) * | 2009-01-23 | 2011-05-04 | 湖南天雁机械有限责任公司 | Method for manufacturing turbo-charger blower impeller mold |
| CN101716654B (en) * | 2009-12-15 | 2011-08-31 | 宁夏长城须崎铸造有限公司 | New process method for manufacturing mold capable of ensuring size accuracy of cast blade for large-scale water turbine |
| CN102125998A (en) * | 2010-12-31 | 2011-07-20 | 大同北方天力增压技术有限公司 | Method for manufacturing impeller mould for gas compressor of turbocharger |
| CN102357603B (en) * | 2011-09-15 | 2013-06-05 | 马鞍山市恒意机械有限公司 | Processing technology of car wheel band bending die |
| CN105290338A (en) * | 2015-10-29 | 2016-02-03 | 江苏恒尚动力高科有限公司 | Preparation method of turbocharger impeller mould |
| CN105382202B (en) * | 2015-12-04 | 2017-05-10 | 南车玉柴四川发动机股份有限公司 | Method for meeting positioning requirement of complex-shaped workpiece through alloy casting |
| CN106734867A (en) * | 2016-11-28 | 2017-05-31 | 江苏雨燕模业科技有限公司 | A kind of preparation method of turbo-charger impeller mould |
| CN106825386A (en) * | 2017-01-09 | 2017-06-13 | 无锡迪欧机械制造有限公司 | A kind of manufacturing process of twin columns disjunctor supercharging impeller |
| CN110682069A (en) * | 2019-10-28 | 2020-01-14 | 大同北方天力增压技术有限公司 | Rapid manufacturing method of turbocharger diffuser mold and ejection tool thereof |
Citations (5)
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| JPH03182313A (en) * | 1989-12-12 | 1991-08-08 | Sekisui Chem Co Ltd | Manufacture of mold |
| CN1089196A (en) * | 1992-03-21 | 1994-07-13 | 中国科学院长春光学精密机械研究所 | The integral precision casting technology for impeller of high-speed fan method |
| JPH1177238A (en) * | 1997-09-03 | 1999-03-23 | Ebara Corp | Lost foam pattern for casting |
| CN2621856Y (en) * | 2003-06-02 | 2004-06-30 | 张永安 | Casting mould for impeller |
| CN1562523A (en) * | 2004-04-12 | 2005-01-12 | 齐志威 | Mould castings method |
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2006
- 2006-04-05 CN CNB2006100729125A patent/CN100389905C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03182313A (en) * | 1989-12-12 | 1991-08-08 | Sekisui Chem Co Ltd | Manufacture of mold |
| CN1089196A (en) * | 1992-03-21 | 1994-07-13 | 中国科学院长春光学精密机械研究所 | The integral precision casting technology for impeller of high-speed fan method |
| JPH1177238A (en) * | 1997-09-03 | 1999-03-23 | Ebara Corp | Lost foam pattern for casting |
| CN2621856Y (en) * | 2003-06-02 | 2004-06-30 | 张永安 | Casting mould for impeller |
| CN1562523A (en) * | 2004-04-12 | 2005-01-12 | 齐志威 | Mould castings method |
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| Title |
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| 叶轮的整体铣削过程研究. 王晋伟等.铁道机车车辆，第23卷第增刊1期. 2003 |
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| 硅橡胶模－发泡石膏型－低压铸造铝合金工艺. 张玉海.特种铸造及有色合金，第2002年压铸专刊卷. 2002 |
| 硅橡胶模－发泡石膏型－低压铸造铝合金工艺. 张玉海.特种铸造及有色合金，第2002年压铸专刊卷. 2002 * |
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| CN1830597A (en) | 2006-09-13 |
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Owner name: DATONG BEIFANG TIANLI BOOSTING TECHNOLOGY CO., LT Free format text: FORMER OWNER: NO.70 INST., CHINA WEAPON INDUSTRY GROUP Effective date: 20081024 |
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Effective date of registration: 20081024 Address after: Box 22, Datong, Shanxi Province Patentee after: Datong North Tianli Turbocharging Technology Co.,Ltd. Address before: Box 22, Datong, Shanxi Province Patentee before: No.70 Research Institute of China North Industries Group Corp. |
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Granted publication date: 20080528 Termination date: 20140405 |