CN101644264B - Method for manufacturing air compressor moving plate - Google Patents
Method for manufacturing air compressor moving plate Download PDFInfo
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- CN101644264B CN101644264B CN2009101017598A CN200910101759A CN101644264B CN 101644264 B CN101644264 B CN 101644264B CN 2009101017598 A CN2009101017598 A CN 2009101017598A CN 200910101759 A CN200910101759 A CN 200910101759A CN 101644264 B CN101644264 B CN 101644264B
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- air compressor
- sintering
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Abstract
The invention provides a method for manufacturing air compressor moving plate, comprising: a mould of a pipe body is processed by a lathe; a mould of a spiral groove is processed by a linear cutting machine, and moulds of the rest parts except the spiral groove and the pipe body by a numerical control forming machine tool; atomized powder and reduced iron powder are mixed together and processed by a mixing cylinder according to the mass percent: 65-70% of atomized powder and 30-35% of alloy powder; the mixed powder is pressed and shaped inside the prepared moulds by a dry powder shaping hydraulic machine, and the pressure value is 800-1000N; molded workpieces are manufactured by being sintered and pressed in a sintering furnace, the sintering temperature is 1000-1100 DEG C, and the tapping temperature does not excess 45 DEG C; the sintered workpieces are ground, polished and the like, and the finished products can be formed. The method has the advantages that by adopting one-step molding technique, a plurality of parts are avoided being respectively processed, and the production cost can be reduced; after being extruded and sintered by the powder shaping machine, the finished product has uniform hardness, so as not to be easy to break.
Description
Technical field
The present invention relates to the making method of metal parts, specifically is a kind of making method of air compressor moving plate.
Background technique
Moving plate is a kind of parts that are used for air compressor, and as depicted in figs. 1 and 2, it comprises spiral chute, disk and body, and described spiral chute is connected with body by disk.In the prior art, the processing Moving plate adopts the method for casting, and three parts are cast out respectively, and welding then is finish-machined to finished product through polishing, polishing etc. at last.The Moving plate cost that utilizes this forming method to process is higher, and in use, welding portion ruptures easily, and because three parts are cast the conformity of the hardness of very difficult these three parts of assurance and the uniformity of quality respectively.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, the not making method of the air compressor moving plate of easy-rupturing of the low and product hardness quality uniformity produced of a kind of cost of production is provided.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: it comprises the steps:
1. Mold Making: go out the mould of body with machined into, process the spiral fluted mould, process the mould of remainder except that spiral chute and body with the numerical control forming machine bed with wire cutting machine tool;
2. mixed-powder: with mixing machine atomized powder and alloyed powder according to:
Atomized powder 65%～70%
Alloyed powder 30%～35%
Mass fraction carry out hybrid process, atomized powder and alloyed powder are commercially available;
3. press shape: the mould press forming that 1. powder that 2. step is mixed with the dry powder shaping hydraulic machine is made according to step, pressure value is 800～1000N;
4. sintering: with the sintering furnace sintering step 3. in the good workpiece of compression moulding, sintering temperature is 1000～1100 ℃, tapping temperature is no more than 45 ℃;
5. fine finishing: with step 4. the workpiece behind the sintering through steps such as polishing, polishings, the formation finished product.
After adopting above technological scheme, the making method of air compressor moving plate of the present invention compared with prior art has the following advantages:
1, adopts once-through, avoid many parts to process respectively, reduced cost of production;
2, because of extruding and sintering through powder former, the finished product hardness quality uniformity of producing is easy-rupturing not;
The mass fraction of the iron content of described alloyed powder is not less than 90%, and the cupric of described alloyed powder and the mass fraction of sulphur are not more than 10%.
The numerical control forming machine bed of step described in 1. is be careful silk cutting machine tool and SA20 numerically-controlled precise spark-erosion sinking machine of CA20 soaking type accurate digital control.
The mixing machine of step described in 2. is HL500 type mixing machine.
The dry powder shaping hydraulic machine of step described in 3. is FS79Z-1000 type dry powder automatic forming hydraulic press.
As improvement, it also comprises 6. heat treatment of step, and described step 6. heat treatment is meant that the workpiece that 5. step is processed passes through heat treatment furnace and heat-treats, and forms final finished product then.This step has further increased the hardness of workpiece.
Description of drawings
Fig. 1 is the structural representation that adopts the Moving plate that the making method of air compressor moving plate of the present invention produces.
Fig. 2 is the sectional view of A-A portion among Fig. 1.
Wherein, 1, spiral chute; 2, disk; 3, body.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, the technological scheme that making method adopted of air compressor moving plate of the present invention is:
Embodiment one:
1. Mold Making: go out the mould of body 3 with machined into, process the mould of spiral chute 1, process the mould of remainder except that spiral chute and body with the numerical control forming machine bed with wire cutting machine tool;
2. mixed-powder: with mixing machine atomized powder and alloyed powder according to: the mass fraction of atomized powder 70%, alloyed powder 30% carries out hybrid process;
3. press shape: the mould press forming that 1. powder that 2. step is mixed with the dry powder shaping hydraulic machine is made according to step, pressure value is 1000N;
4. sintering: with the sintering furnace sintering step 3. in the good workpiece of compression moulding, sintering temperature is 1100 ℃, tapping temperature is 40 ℃;
5. fine finishing: with step 4. the workpiece behind the sintering through steps such as polishing, polishings, the formation finished product.
The mass fraction of the iron content of described alloyed powder is 90%, and the cupric of described alloyed powder and the mass fraction of sulphur are 10%.
As common practise, the numerical control forming machine bed of step described in 1. can be SA20 numerically-controlled precise spark-erosion sinking machine, and described wire cutting machine tool can be the CA20 soaking type accurate digital control silk cutting machine tool of being careful.
The mixing machine of step described in 2. is HL500 type mixing machine.
The dry powder shaping hydraulic machine of step described in 3. is FS79Z-1000 type dry powder automatic forming hydraulic press.
It also comprises 6. heat treatment of step, and described step 6. heat treatment is meant that the workpiece that 5. step is processed passes through heat treatment furnace and heat-treats, and forms final finished product then.
Embodiment two:
1. Mold Making: go out the mould of body 3 with machined into, process the mould of spiral chute 1, process the mould of remainder except that spiral chute and body with the numerical control forming machine bed with wire cutting machine tool;
2. mixed-powder: with mixing machine atomized powder and alloyed powder according to: the mass fraction of atomized powder 65%, alloyed powder 35% carries out hybrid process;
3. press shape: the mould press forming that 1. powder that 2. step is mixed with the dry powder shaping hydraulic machine is made according to step, pressure value is 800N;
4. sintering: with the sintering furnace sintering step 3. in the good workpiece of compression moulding, sintering temperature is 1000 ℃, tapping temperature is 45 ℃;
5. fine finishing: with step 4. the workpiece behind the sintering through steps such as polishing, polishings, the formation finished product.
The mass fraction of the iron content of described alloyed powder is 92%, and the cupric of described alloyed powder and the mass fraction of sulphur are 8%.
As common practise, the numerical control forming machine bed of step described in 1. can be SA20 numerically-controlled precise spark-erosion sinking machine, and described wire cutting machine tool can be the CA20 soaking type accurate digital control silk cutting machine tool of being careful.
The mixing machine of step described in 2. is HL500 type mixing machine.
The dry powder shaping hydraulic machine of step described in 3. is FS79Z-1000 type dry powder automatic forming hydraulic press.
It also comprises 6. heat treatment of step, and described step 6. heat treatment is meant that the workpiece that 5. step is processed passes through heat treatment furnace and heat-treats, and forms final finished product then.
Claims (5)
1. the making method of an air compressor moving plate, it is characterized in that: it comprises the steps:
1. Mold Making: go out the mould of body (3) with machined into, process the mould of spiral chute (1), process mould except that spiral chute (1) and the remainder of body (3) with the numerical control forming machine bed with wire cutting machine tool;
2. mixed-powder: with mixing machine atomized powder and alloyed powder according to:
Atomized powder 65%～70%
Alloyed powder 30%～35%
Mass fraction carry out hybrid process;
3. press shape: the mould inner pressure that 1. powder that 2. step is mixed with the dry powder shaping hydraulic machine is made in step is made shape, and pressure value is 800～1000N;
4. sintering: with the sintering furnace sintering step 3. in the good workpiece of compression moulding, sintering temperature is 1000～1100 ℃, tapping temperature is no more than 45 ℃;
5. fine finishing: with step 4. the workpiece behind the sintering form finished product through polishing, polishing step.
2. the making method of air compressor moving plate according to claim 1, it is characterized in that: the mass fraction of the iron content of described alloyed powder is not less than 90%, and the cupric of described alloyed powder and the mass fraction of sulphur are not more than 10%.
3. the making method of air compressor moving plate according to claim 1 is characterized in that: the mixing machine of step described in 2. is HL500 type mixing machine.
4. the making method of air compressor moving plate according to claim 1 is characterized in that: the dry powder shaping hydraulic machine of step described in 3. is FS79Z-1000 type dry powder automatic forming hydraulic press.
5. the making method of air compressor moving plate according to claim 1, it is characterized in that: it also comprises 6. heat treatment of step, described step 6. heat treatment is meant that the workpiece that 5. step is processed passes through heat treatment furnace and heat-treats, and forms final finished product then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101017598A CN101644264B (en) | 2009-08-11 | 2009-08-11 | Method for manufacturing air compressor moving plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101017598A CN101644264B (en) | 2009-08-11 | 2009-08-11 | Method for manufacturing air compressor moving plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101644264A CN101644264A (en) | 2010-02-10 |
| CN101644264B true CN101644264B (en) | 2011-10-05 |
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| CN2009101017598A Expired - Fee Related CN101644264B (en) | 2009-08-11 | 2009-08-11 | Method for manufacturing air compressor moving plate |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912967B (en) * | 2010-06-02 | 2013-03-13 | 深圳市大富科技股份有限公司 | Method for manufacturing resonating tubes |
| CN104148646B (en) * | 2014-08-21 | 2016-08-17 | 宁波市群星粉末冶金有限公司 | The preparation method of air compressor moving plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4838936A (en) * | 1987-05-23 | 1989-06-13 | Sumitomo Electric Industries, Ltd. | Forged aluminum alloy spiral parts and method of fabrication thereof |
| CN101275567A (en) * | 2002-01-24 | 2008-10-01 | 爱默生气候技术公司 | Powder metal scrolls |
| CN101457322A (en) * | 2009-01-07 | 2009-06-17 | 济南大学 | TiAl base pressure booster turbo and method for producing the same |
-
2009
- 2009-08-11 CN CN2009101017598A patent/CN101644264B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4838936A (en) * | 1987-05-23 | 1989-06-13 | Sumitomo Electric Industries, Ltd. | Forged aluminum alloy spiral parts and method of fabrication thereof |
| CN101275567A (en) * | 2002-01-24 | 2008-10-01 | 爱默生气候技术公司 | Powder metal scrolls |
| CN101457322A (en) * | 2009-01-07 | 2009-06-17 | 济南大学 | TiAl base pressure booster turbo and method for producing the same |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-90323A 1995.04.04 |
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| CN101644264A (en) | 2010-02-10 |
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