CN103464989A - Processing technique of precision turbine parts - Google Patents
Processing technique of precision turbine parts Download PDFInfo
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- CN103464989A CN103464989A CN2013104192769A CN201310419276A CN103464989A CN 103464989 A CN103464989 A CN 103464989A CN 2013104192769 A CN2013104192769 A CN 2013104192769A CN 201310419276 A CN201310419276 A CN 201310419276A CN 103464989 A CN103464989 A CN 103464989A
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- processing
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- milling
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- diameter phi
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- 238000000034 method Methods 0.000 title abstract description 5
- 238000000227 grinding Methods 0.000 claims abstract description 37
- 238000003801 milling Methods 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 238000007514 turning Methods 0.000 claims abstract description 7
- 238000003754 machining Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 9
- 230000003746 surface roughness Effects 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching Effects 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000005034 decoration Methods 0.000 abstract 1
- 238000009763 wire-cut EDM Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003628 erosive Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The invention discloses a processing technique of precision turbine parts. The processing technique includes following steps: milling and rough machining, large balance removing, hexahedron grinding, milling of various holes, heat treating of the parts, molding and grinding of an upper large face and a lower large face, wire cut electrical discharge machining, internal and external grinding machine processing, molding and grinding, molding and milling, numerical control turning, text carving, electrical spark molding and product testing. After heat treatment, a material adopted by the processing technique is remarkable in abrasion resistance and durability, can reach a higher mirror face degree, is outstanding in processing of decoration flowers, small in scale change of the heat treatment and fine in ductility, and processing quality is guaranteed and production efficiency is improved.
Description
Technical field
The present invention relates to the fine finishining field of machine components, what be specifically related to is a kind of processing technology of accurate turbine components.
Background technology
Turbine is a kind of rotary power machinery that is mechanical energy by the power conversion of flow working medium, be widely used in the fields such as aero-engine, gas turbine, steam turbine, processing raw material hardness number after high temperature commonly used is lower, cause the quality of processing to can not get ensureing, the used time is also very long.
Summary of the invention
The object of the invention is to overcome the above problem that prior art exists, a kind of processing technology of accurate turbine components is provided, be applicable to the high microsize part of baroque required precision.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of processing technology of accurate turbine components comprises the following steps:
Step 1) milling roughing, remove large surplus
According to the dimensional drawing of part, the hexahedron that mills out part is of a size of 55.05 * 55.05 * 49.25(mm);
Step 2) grinding hexahedron
After grinding rear surface roughness is Ra0.8～0.2 μ m, two interplanar dimensional tolerance grades can reach IT6～IT5, and flatness can reach 0.01～0.03mm/m, and fine grinding is removed surplus 0.05mm, the size 55 * 55 * 49.2 after fine grinding;
Each hole system of step 3) Milling Process
1, bottom outlet φ 1.500 mm sizes are drilled into to diameter phi 1.2 mm, and φ 2.0 mm holes are bored in processing;
2, respectively 2 bottom outlet φ, 2.500 mm sizes are drilled into to diameter phi 2.2 mm, and the φ dark 35mm of 3.0 mm hole is bored in processing;
3, bottom outlet φ 5.600 mm sizes are drilled into to diameter phi 5.0 mm, and chamfering C0.5 mm;
The heat treatment of step 4) part
Lonneal again after adopt quenching, hardness number reaches HRC58;
The step 5) form grinding
Upper and lower two the large faces of grinding, be ground to 49.1mm by gauge, and surface roughness is Ra0.8～0.2 μ m;
Step 6) line cutting processing
1, bottom outlet φ 1.2 mm size electricity cremate lines are cut to φ 1.500 mm holes;
2, respectively 2 bottom outlet φ, 2. 2 mm size electricity cremate lines are cut to φ 2.500 mm holes;
3, bottom outlet φ 5.0 mm size electricity cremate lines are cut to φ 5.600 mm holes;
4, electric cremate line cutting φ 24.400 mm cylindrical shapes, cutting openings groove, once success simultaneously;
The processing of step 7) internal and external grinding machine
1, mill diameter phi 24.400 mm cylindricals;
2, grinding diameter phi 5.6 mm endoporus sections;
3, cylindricalo grinding 5um exhaust, size is to 40.27-0.3 mm;
The step 8) form grinding
The wide 3mm groove of grinding
The step 9) moulding
Milling annular row air drain, utilize the disk forming milling tool; The dark 0.3mm air discharge duct of milling 2.0mm;
The processing of step 10) numerical control turning
1, numerical control turning processing φ 23.16 mm conical external circles, will highly be machined to 48.46
mm;
2, spark discharge is processed diameter phi 7.150 mm, is about the 11mm circular hole, the end fillet;
The processing of step 11) numerical control milling
Text engraving
The step 12) Electric Discharge Machining
Spark discharge processing top groove;
The step 13) dimensional gaughing.
Further, described step 3 adopts the processing method of boring a line cutting.
Further, described step 6 adopts the cutting of slow wire feeding electricity cremate line.
The invention has the beneficial effects as follows:
After the material heat treatment that the present invention adopts, wearability and durability are outstanding, can reach higher mirror face degree, and erosion flower processability is outstanding, and the heat treatment change in size is less, and good toughness has guaranteed the quality of processing, and has improved production efficiency.
The accompanying drawing explanation
Fig. 1 is part drawing of the present invention;
The key dimension that Fig. 2 is part.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Shown in Fig. 1, a kind of processing technology of accurate turbine components comprises the following steps:
Step 1) milling roughing, remove large surplus
According to the dimensional drawing of part, the hexahedron that mills out part is of a size of 55.05 * 55.05 * 49.25(mm);
Step 2) grinding hexahedron
After grinding rear surface roughness is Ra0.8～0.2 μ m, two interplanar dimensional tolerance grades can reach IT6～IT5, and flatness can reach 0.01～0.03mm/m, and fine grinding is removed surplus 0.05mm, the size 55 * 55 * 49.2 after fine grinding;
Each hole system of step 3) Milling Process, as shown in Figure 2,
1, bottom outlet φ 1.500 mm sizes are drilled into to diameter phi 1.2 mm, and φ 2.0 mm holes are bored in processing;
2, respectively 2 bottom outlet φ, 2.500 mm sizes are drilled into to diameter phi 2.2 mm, and the φ dark 35mm of 3.0 mm hole is bored in processing;
3, bottom outlet φ 5.600 mm sizes are drilled into to diameter phi 5.0 mm, and chamfering C0.5 mm;
The heat treatment of step 4) part
Lonneal again after adopt quenching, hardness number reaches HRC58;
The step 5) form grinding
Upper and lower two the large faces of grinding, be ground to 49.1mm by gauge, and surface roughness is Ra0.8～0.2 μ m;
Step 6) line cutting processing
1, bottom outlet φ 1.2 mm size electricity cremate lines are cut to φ 1.500 mm holes;
2, respectively 2 bottom outlet φ, 2. 2 mm size electricity cremate lines are cut to φ 2.500 mm holes;
3, bottom outlet φ 5.0 mm size electricity cremate lines are cut to φ 5.600 mm holes;
4, electric cremate line cutting φ 24.400 mm cylindrical shapes, cutting openings groove, once success simultaneously;
The processing of step 7) internal and external grinding machine
1, mill diameter phi 24.400 mm cylindricals;
2, grinding diameter phi 5.6 mm endoporus sections;
3, cylindricalo grinding 5um exhaust, size is to 40.27-0.3 mm;
The step 8) form grinding
The wide 3mm groove of grinding
The step 9) moulding
Milling annular row air drain, utilize the disk forming milling tool; The dark 0.3mm air discharge duct of milling 2.0mm;
The processing of step 10) numerical control turning
1, numerical control turning processing φ 23.16 mm conical external circles, will highly be machined to 48.46
mm;
2, spark discharge is processed diameter phi 7.150 mm, is about the 11mm circular hole, the end fillet;
The processing of step 11) numerical control milling
Text engraving
The step 12) Electric Discharge Machining
Spark discharge processing top groove;
The step 13) dimensional gaughing.
Further, described step 3 adopts the processing method of boring a line cutting.
Further, described step 6 adopts the cutting of slow wire feeding electricity cremate line.
Claims (3)
1. the processing technology of an accurate turbine components, is characterized in that, comprises the following steps:
Step 1) milling roughing, remove large surplus
According to the dimensional drawing of part, the hexahedron that mills out part is of a size of 55.05 * 55.05 * 49.25(mm);
Step 2) grinding hexahedron
After grinding rear surface roughness is Ra0.8～0.2 μ m, two interplanar dimensional tolerance grades can reach IT6～IT5, and flatness can reach 0.01～0.03mm/m, and fine grinding is removed surplus 0.05mm, the size 55 * 55 * 49.2 after fine grinding;
Each hole system of step 3) Milling Process
1, bottom outlet φ 1.500 mm sizes are drilled into to diameter phi 1.2 mm, and φ 2.0 mm holes are bored in processing;
2, respectively 2 bottom outlet φ, 2.500 mm sizes are drilled into to diameter phi 2.2 mm, and the φ dark 35mm of 3.0 mm hole is bored in processing;
3, bottom outlet φ 5.600 mm sizes are drilled into to diameter phi 5.0 mm, and chamfering C0.5 mm;
The heat treatment of step 4) part
Lonneal again after adopt quenching, hardness number reaches HRC58;
The step 5) form grinding
Upper and lower two the large faces of grinding, be ground to 49.1mm by gauge, and surface roughness is Ra0.8～0.2 μ m;
Step 6) line cutting processing
1, bottom outlet φ 1.2 mm size electricity cremate lines are cut to φ 1.500 mm holes;
2, respectively 2 bottom outlet φ, 2. 2 mm size electricity cremate lines are cut to φ 2.500 mm holes;
3, bottom outlet φ 5.0 mm size electricity cremate lines are cut to φ 5.600 mm holes;
4, electric cremate line cutting φ 24.400 mm cylindrical shapes, cutting openings groove, once success simultaneously;
The processing of step 7) internal and external grinding machine
1, mill diameter phi 24.400 mm cylindricals;
2, grinding diameter phi 5.6 mm endoporus sections;
3, cylindricalo grinding 5um exhaust, size is to 40.27-0.3 mm;
The step 8) form grinding
The wide 3mm groove of grinding
The step 9) moulding
Milling annular row air drain, utilize the disk forming milling tool; The dark 0.3mm air discharge duct of milling 2.0mm;
The processing of step 10) numerical control turning
1, numerical control turning processing φ 23.16 mm conical external circles, will highly be machined to 48.46
mm;
2, spark discharge is processed diameter phi 7.150 mm, is about the 11mm circular hole, the end fillet;
The processing of step 11) numerical control milling
Text engraving
The step 12) Electric Discharge Machining
Spark discharge processing top groove;
The step 13) dimensional gaughing.
2. the processing technology of accurate turbine components according to claim 1, is characterized in that: the processing method that described step 3 adopts brill one line to cut.
3. the processing technology of accurate turbine components according to claim 1, is characterized in that: the cutting of described step 6 employing slow wire feeding electricity cremate line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104192769A CN103464989A (en) | 2013-09-16 | 2013-09-16 | Processing technique of precision turbine parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104192769A CN103464989A (en) | 2013-09-16 | 2013-09-16 | Processing technique of precision turbine parts |
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| CN103464989A true CN103464989A (en) | 2013-12-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588984A (en) * | 2014-11-28 | 2015-05-06 | 江西洪都航空工业集团有限责任公司 | Processing technology for stop dog cover |
| CN104827147A (en) * | 2015-05-29 | 2015-08-12 | 东莞豪顺家具有限公司 | Machining technology for punching display screen backboard |
| CN105583581A (en) * | 2015-12-17 | 2016-05-18 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method and device for bearing standard block |
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| US4576770A (en) * | 1982-04-01 | 1986-03-18 | General Electric Co. | Method of manufacturing a turbomachinery rotor |
| DE19544817A1 (en) * | 1995-12-01 | 1997-06-05 | Asea Brown Boveri | Manufacturing method for guide vane segments for gas-turbine |
| CN1810427A (en) * | 2005-01-28 | 2006-08-02 | 三星Techwin株式会社 | Method and apparatus for electric-discharge machining of a turbine blade |
| CN101774114A (en) * | 2009-12-23 | 2010-07-14 | 煤炭科学研究总院太原研究院 | Manufacturing method of turbine of copper alloy coupler |
| CN102861956A (en) * | 2012-09-20 | 2013-01-09 | 清华大学 | Machining method of gravity-free smelting layer air membrane hole of aviation engine turbine blade |
-
2013
- 2013-09-16 CN CN2013104192769A patent/CN103464989A/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576770A (en) * | 1982-04-01 | 1986-03-18 | General Electric Co. | Method of manufacturing a turbomachinery rotor |
| DE19544817A1 (en) * | 1995-12-01 | 1997-06-05 | Asea Brown Boveri | Manufacturing method for guide vane segments for gas-turbine |
| CN1810427A (en) * | 2005-01-28 | 2006-08-02 | 三星Techwin株式会社 | Method and apparatus for electric-discharge machining of a turbine blade |
| CN101774114A (en) * | 2009-12-23 | 2010-07-14 | 煤炭科学研究总院太原研究院 | Manufacturing method of turbine of copper alloy coupler |
| CN102861956A (en) * | 2012-09-20 | 2013-01-09 | 清华大学 | Machining method of gravity-free smelting layer air membrane hole of aviation engine turbine blade |
Non-Patent Citations (1)
| Title |
|---|
| 徐汇音: "精密涡轮零件的加工工艺分析", 《机床与液压》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588984A (en) * | 2014-11-28 | 2015-05-06 | 江西洪都航空工业集团有限责任公司 | Processing technology for stop dog cover |
| CN104588984B (en) * | 2014-11-28 | 2017-07-21 | 江西洪都航空工业集团有限责任公司 | A kind of cover of retainer processing technology |
| CN104827147A (en) * | 2015-05-29 | 2015-08-12 | 东莞豪顺家具有限公司 | Machining technology for punching display screen backboard |
| CN105583581A (en) * | 2015-12-17 | 2016-05-18 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method and device for bearing standard block |
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