CN102825349B - Method for processing precise small dies with electric spark multipoint electrode - Google Patents
Method for processing precise small dies with electric spark multipoint electrode Download PDFInfo
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- CN102825349B CN102825349B CN201210296243.5A CN201210296243A CN102825349B CN 102825349 B CN102825349 B CN 102825349B CN 201210296243 A CN201210296243 A CN 201210296243A CN 102825349 B CN102825349 B CN 102825349B
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- 238000012545 processing Methods 0.000 title claims abstract description 41
- 238000010892 electric spark Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000000227 grinding Methods 0.000 claims abstract description 10
- 238000003672 processing method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000013021 overheating Methods 0.000 claims description 3
- 230000003252 repetitive effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 19
- 238000009760 electrical discharge machining Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a method for processing precise small dies with an electric spark multipoint electrode. The method is characterized by including: processing a whole die through a grinding machine, designing the electric spark electrode, machining the electric spark electrode, machining the die with the electric spark electrode, and electric spark slicing through the grinding machine. Traditional EDM (electric discharge machining) can also be used to process small dies. The traditional EDM is difficult in machining complex precise small dies, and especially the traditional EDM is difficult in guaranteeing size consistency of each die. By the method, complex precise small dies can be machined in batch, machining accuracy is high, size of each die is consistent, work efficiency is improved, and machining cost is reduced.
Description
Technical field
The present invention relates to mold machining technology field, be specifically related to a kind of processing method utilizing the design of the multiple head electrode of electric spark to carry out the tiny mould of processing precise.
Background technology
In present social extensive exploitation and utilization energy-conserving product epoch, our LED industry is also high speed development.But our LED die industry development does not comply with one's wishes.Need a large amount of light emitting diode combined in LED industry, a LED product needs sometimes thousands of light emitting diodes, not only quantity is many for they, and also very little, precision, fineness etc. also have very high requirement.Also have various plug receptacle class mould in electronic applications, because its shape of product is small, and required precision is very high, concerning present mold machining technology, is very large challenge; Although existing EDM also can process tiny mould, but this traditional diamond-making technique has electrode error, repeatedly specification error, workman's measure error, adjust size error etc., be difficult to the accurate tiny mould of processed complex, particularly be difficult to the uniformity ensureing every die size, and scrappage is high, working (machining) efficiency is low, not easily realizes batch production.
In order to solve above-mentioned deficiency of the prior art, the present invention proposes a kind of new solution.
Summary of the invention
The technical problem to be solved in the present invention is: be directed to the deficiencies in the prior art, a kind of processing method utilizing the tiny mould of electric spark multiple head electrode processing precise is provided, the method can the tiny mould of batch machining complex precise, and machining accuracy is high, all die sizes are consistent, improve working (machining) efficiency and reduce processing cost.
To achieve the above object of the invention, the technical solution adopted in the present invention is: provide a kind of processing method utilizing the tiny mould of electric spark multiple head electrode processing precise, it is characterized in that comprising the following steps:
1.. grinding machine processing molds: utilize grinding machine to polish molds the steel doing Overheating Treatment, die boundary dimensions allowance control is at ± 0.001mm;
2.. electrospark electrode designs: utilize CAD to draw mould stereogram according to the die size that will manufacture, then produces after mould need process the shape of electric spark, copies N number of electrode from X-direction and Y-direction;
3.. electrospark electrode is processed: be arranged on by brass on special fixture, special fixture repetitive positioning accuracy controls in 0.001mm, determine electrode zero point, and set cutter, run machining center program: A. opens slightly: first use the large surplus of 4 mm flat cutter milling, the monolateral surplus staying 0.04mm, the milling of rear 1mm flat cutter is except remaining surplus, remove clean again by 0.4 mm hilt surplus, the monolateral surplus staying 0.02mm; B. semifinishing: first remove the surplus on inclined-plane and 3D face with the ball cutter of 0.8mm, then remove the surplus on whole inclined-plane and 3D face with the ball cutter of 0.4mm, monolateral stay 0.01 surplus; C: fine finishining: by the shape and size of the flat cutter processing directrix plane of EM0.4mm, then add working drawing inclined-plane and 3D face with the ball cutter of BN0.3mm;
4.. electrospark electrode processing mold: A. uses amesdial to set reference block, and the control reference block depth of parallelism and perpendicularity are within 0.002mm; B. step 1. in mould be fixedly mounted on reference block; C. install multiple head electrode, the control electrode depth of parallelism and perpendicularity are within 0.002mm; D. the die in first using a tip electrode procedure of processing 1., the monolateral surplus staying 0.02mm, takes off measurement by mould after processing, again mould is installed on the reference block that sets at first after measurement; E. according to measuring the size adjusting machine tool position and parameter processing mold again that obtain; F. the mould after again taking off processing is measured, and puts back to setting for machine processing again, until qualified during off-dimension; G. the mould after qualified is installed on lathe, then adds die spare time according to the parameter obtained;
5.. electric spark section grabbed by grinding machine: use the size of EDM step 4. in the mould that processes be cut into the multi-piece die of drawing requirement.
Further, described step 1. in steel be the steel of HRC60 ~ HRC62.
Further, described step 3. in use the high-speed machining center of 42000 turns.
In sum, the processing method of the tiny mould of electric spark multiple head electrode processing precise that utilizes provided by the present invention has compared to prior art: by processing method of the present invention, can the tiny mould of batch machining complex precise, and machining accuracy is high, all die sizes are consistent, improve working (machining) efficiency and reduce processing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation after the present invention uses component installaiton.
Wherein, 1, special fixture; 2, electric spark; 3, mould; 4, reference block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail:
The CHARMILLES F0 350 MS EDM micro elements equipment that the spark-erosion machine tool used in the present invention is produced for Switzerland GF Archie Xia meter Er company, what electrode special fixture and electrospark electrode chuck adopted is Switzerland EROWA standard fixture, and what electrode machining equipment adopted is the unlimited motor high-speed machining center of MIKRON HSM500LP.
As shown in the figure, this utilizes the processing method of the tiny mould of electric spark multiple head electrode processing precise, comprises the following steps:
1.. grinding machine processing molds: utilize grinding machine to polish molds the steel doing Overheating Treatment, die boundary dimensions allowance control is at ± 0.001mm.
2.. electrospark electrode designs: utilize CAD to draw mould stereogram according to the die size that will manufacture, then produces after mould need process the shape of electric spark, copies N number of electrode from X-direction and Y-direction.
3.. electrospark electrode is processed: be arranged on by brass on special fixture, special fixture repetitive positioning accuracy controls in 0.001mm, determine electrode zero point, and set cutter, run machining center program: A. opens slightly: first use the large surplus of 4 mm flat cutter milling, the monolateral surplus staying 0.04mm, the milling of rear 1mm flat cutter is except remaining surplus, remove clean again by 0.4 mm hilt surplus, the monolateral surplus staying 0.02mm; B. semifinishing: first remove the surplus on inclined-plane and 3D face with the ball cutter of 0.8mm, then remove the surplus on whole inclined-plane and 3D face with the ball cutter of 0.4mm, monolateral stay 0.01 surplus; C: fine finishining: by the shape and size of the flat cutter processing directrix plane of EM0.4mm, then add working drawing inclined-plane and 3D face with the ball cutter of BN0.3mm.Because all electrode tips be all time processing out, all electrode tip sizes are all the same, and the depth of parallelism and perpendicularity can ensure within 0.001mm; Utilize all sizes of the accuracy guarantee electrode of the high-speed machining center of 42000 turns and cutter within 0.0003mm.
4.. electrospark electrode processing mold: A. uses amesdial to set reference block, and the control reference block depth of parallelism and perpendicularity are within 0.002mm; B. step 1. in mould be fixedly mounted on reference block; C. install multiple head electrode, the control electrode depth of parallelism and perpendicularity are within 0.002mm; D. the die in first using a tip electrode procedure of processing 1., the monolateral surplus staying 0.02mm, takes off measurement by mould after processing, again mould is installed on the reference block that sets at first after measurement; E. according to measuring the size adjusting machine tool position and parameter processing mold again that obtain; F. the mould after again taking off processing is measured, and puts back to setting for machine processing again, until qualified during off-dimension; G. the mould after qualified is installed on lathe, then adds die spare time according to the parameter obtained.
5.. electric spark section grabbed by grinding machine: use the size of EDM step 4. in the mould that processes be cut into the multi-piece die of drawing requirement.
In sum, utilize the processing method utilizing the tiny mould of electric spark multiple head electrode processing precise provided by the present invention, can the tiny mould of batch machining complex precise, and also machining accuracy is high, all die sizes are consistent, improve working (machining) efficiency and reduce processing cost.
Although describe in detail the specific embodiment of the present invention by reference to the accompanying drawings, should not be construed as the restriction of the protection domain to this patent.In the scope described by claims, the various amendment that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (3)
1. utilize the processing method of the tiny mould of electric spark multiple head electrode processing precise, it is characterized in that comprising the following steps:
1.. grinding machine processing molds: utilize grinding machine to polish molds the steel doing Overheating Treatment, die boundary dimensions allowance control is at ± 0.001mm;
2.. electrospark electrode designs: utilize CAD to draw mould stereogram according to the die size that will manufacture, then produces after mould need process the shape of electric spark, copies N number of electrode from X-direction and Y-direction;
3.. electrospark electrode is processed: be arranged on by brass on special fixture, special fixture repetitive positioning accuracy controls in 0.001mm, determine electrode zero point, and set cutter, run machining center program: A. opens slightly: first use the large surplus of 4 mm flat cutter milling, the monolateral surplus staying 0.04mm, the milling of rear 1mm flat cutter is except remaining surplus, remove clean again by 0.4 mm hilt surplus, the monolateral surplus staying 0.02mm; B. semifinishing: first remove the surplus on inclined-plane and 3D face with the ball cutter of 0.8mm, then remove the surplus on whole inclined-plane and 3D face with the ball cutter of 0.4mm, the monolateral surplus staying 0.01mm; C: fine finishining: by the shape and size of the flat cutter processing directrix plane of EM0.4mm, then add working drawing inclined-plane and 3D face with the ball cutter of BN0.3mm;
4.. electrospark electrode processing mold: A. uses amesdial to set reference block, and the control reference block depth of parallelism and perpendicularity are within 0.002mm; B. step 1. in mould be fixedly mounted on reference block; C. install multiple head electrode, the control electrode depth of parallelism and perpendicularity are within 0.002mm; D. the die in first using a tip electrode procedure of processing 1., the monolateral surplus staying 0.02mm, takes off measurement by mould after processing, again mould is installed on the reference block that sets at first after measurement; E. according to measuring the size adjusting machine tool position and parameter processing mold again that obtain; F. the mould after again taking off processing is measured, and puts back to setting for machine processing again, until qualified during off-dimension; G. the mould after qualified is installed on lathe, then adds die spare time according to the parameter obtained;
5.. electric spark is cut into slices: use the EDM that presets die size step 4. in the mould that processes be cut into the multi-piece die of drawing requirement.
2. the processing method utilizing the tiny mould of electric spark multiple head electrode processing precise according to claim 1, is characterized in that: described step 1. in steel be HRC60 ~ HRC62 steel.
3. the processing method utilizing the tiny mould of electric spark multiple head electrode processing precise according to claim 1, is characterized in that: described step 3. in use the high-speed machining center of 42000 turns.
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|---|---|---|---|
| CN201210296243.5A CN102825349B (en) | 2012-08-20 | 2012-08-20 | Method for processing precise small dies with electric spark multipoint electrode |
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| CN201210296243.5A CN102825349B (en) | 2012-08-20 | 2012-08-20 | Method for processing precise small dies with electric spark multipoint electrode |
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| CN102825349A CN102825349A (en) | 2012-12-19 |
| CN102825349B true CN102825349B (en) | 2015-02-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105643032B (en) * | 2014-11-14 | 2018-04-10 | 中国航空工业第六一八研究所 | A kind of processing method of the high-precision small square hole of revolving parts radial direction |
| CN105108251B (en) * | 2015-08-25 | 2018-01-05 | 苏州含光微纳科技有限公司 | A kind of combined machining method of micro-mould |
| CN116021100B (en) * | 2023-03-23 | 2023-06-20 | 成都宝利根创科电子有限公司 | Machining method for machining precision small boss type molded parts by electric spark |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2382973A1 (en) * | 1977-03-08 | 1978-10-06 | Renault | Multiple head EDM tool for valve rods - has table incorporating electrodes and radial ducts to distribute electrolyte to each machining position |
| US5075530A (en) * | 1990-07-23 | 1991-12-24 | Lee Shih Lu | Multi-head type of electro-discharging machine |
| CN2516303Y (en) * | 2001-10-08 | 2002-10-16 | 北京市电加工研究所 | Double-end electric spark surface-grinding machine |
| CN2574811Y (en) * | 2002-11-01 | 2003-09-24 | 陈善元 | New structure of quincuncial key gear milling machine |
| CN1814386A (en) * | 2006-02-28 | 2006-08-09 | 苏州普光机电有限公司 | Multi-head numerical control electrospark wire-electrode cutting machine |
-
2012
- 2012-08-20 CN CN201210296243.5A patent/CN102825349B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2382973A1 (en) * | 1977-03-08 | 1978-10-06 | Renault | Multiple head EDM tool for valve rods - has table incorporating electrodes and radial ducts to distribute electrolyte to each machining position |
| US5075530A (en) * | 1990-07-23 | 1991-12-24 | Lee Shih Lu | Multi-head type of electro-discharging machine |
| CN2516303Y (en) * | 2001-10-08 | 2002-10-16 | 北京市电加工研究所 | Double-end electric spark surface-grinding machine |
| CN2574811Y (en) * | 2002-11-01 | 2003-09-24 | 陈善元 | New structure of quincuncial key gear milling machine |
| CN1814386A (en) * | 2006-02-28 | 2006-08-09 | 苏州普光机电有限公司 | Multi-head numerical control electrospark wire-electrode cutting machine |
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| CN102825349A (en) | 2012-12-19 |
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Denomination of invention: Method for processing precise small dies with electric spark multipoint electrode Effective date of registration: 20190920 Granted publication date: 20150211 Pledgee: Bank of China Limited by Share Ltd Chengdu hi tech Industrial Development Zone sub branch Pledgor: Sichuan Cosmos Precision Mold & Die Co., Ltd. Registration number: Y2019510000023 |
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Date of cancellation: 20191015 Granted publication date: 20150211 Pledgee: Bank of China Limited by Share Ltd Chengdu hi tech Industrial Development Zone sub branch Pledgor: Sichuan Cosmos Precision Mold & Die Co., Ltd. Registration number: Y2019510000023 |
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Denomination of invention: Method for processing precise small dies with electric spark multipoint electrode Effective date of registration: 20191218 Granted publication date: 20150211 Pledgee: Bank of China Limited by Share Ltd Chengdu hi tech Industrial Development Zone sub branch Pledgor: Sichuan Cosmos Precision Mold & Die Co., Ltd. Registration number: Y2019510000072 |
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Address after: 610045 Wuqing South Road, Wuhou District, Chengdu, Sichuan, 33 (Wuhou New Town Management Committee) Patentee after: Sichuan Kesi precision mould Co.,Ltd. Address before: 611731 No. 33, Wuqing South Road, Wuhou District, Chengdu, Sichuan Patentee before: SICHUAN COSMOS PRECISION MOLD & DIE Co.,Ltd. |