JP2013244542A5 - Electric discharge machining method and electric discharge machine for sintered diamond - Google Patents
Electric discharge machining method and electric discharge machine for sintered diamond Download PDFInfo
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- JP2013244542A5 JP2013244542A5 JP2012118055A JP2012118055A JP2013244542A5 JP 2013244542 A5 JP2013244542 A5 JP 2013244542A5 JP 2012118055 A JP2012118055 A JP 2012118055A JP 2012118055 A JP2012118055 A JP 2012118055A JP 2013244542 A5 JP2013244542 A5 JP 2013244542A5
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- electric discharge
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- sintered diamond
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- 238000003754 machining Methods 0.000 title claims description 33
- 229910003460 diamond Inorganic materials 0.000 title claims description 22
- 239000010432 diamond Substances 0.000 title claims description 22
- 238000009760 electrical discharge machining Methods 0.000 description 1
Description
この発明は焼結ダイヤモンドの放電加工方法に関し、より詳細には、焼結ダイヤモンドの放電加工において、被加工物と加工用の工具電極との間に極性が交互に反転する電圧を印加しながら被加工物を加工する放電加工方法とその放電加工機に関する。 The present invention relates to a method for electric discharge machining of sintered diamond, and more particularly, in electric discharge machining of sintered diamond, while applying a voltage whose polarity is alternately reversed between a workpiece and a machining tool electrode. The present invention relates to an electric discharge machining method for machining a workpiece and an electric discharge machine therefor.
本発明は、このような問題点に鑑みてなされたものであって、その目的とするところは、焼結ダイヤモンドの放電加工に関して、被加工物と加工用の工具電極との間に極性が交互に反転する電圧を印加しながら被加工物を放電加工する放電加工方法において、被加工物の表面に形成される導電性皮膜の量を最適に制御して被加工物を能率よく加工できる焼結ダイヤモンドの放電加工方法とその放電加工機を提供することを目的とする。 The present invention has been made in view of such problems, and the object of the present invention is to change the polarity between the work piece and the tool electrode for processing with respect to electric discharge machining of sintered diamond. In the electric discharge machining method that applies electrical discharge machining to the workpiece while applying a reverse voltage to the workpiece, the amount of the conductive film formed on the surface of the workpiece can be optimally controlled and the workpiece can be processed efficiently. It is an object of the present invention to provide an electric discharge machining method for diamond and an electric discharge machine for the same.
上記目的を達成するため、本発明の請求項１に記載の焼結ダイヤモンドの放電加工方法は、焼結ダイヤモンドを被加工物とし、上記被加工物と加工用の工具電極との間に極性が交互に反転する電圧を印加しながら被加工物を放電加工する放電加工方法において、上記被加工物と加工用の工具電極との間に印加する電圧として、被加工物に正極の電圧を印加する正極性のときと、工具電極に正極の電圧を印加する逆極性のときとで、異なる種類の電圧パルスを用いることを特徴とする。 In order to achieve the above object, the electric discharge machining method for sintered diamond according to claim 1 of the present invention uses sintered diamond as a workpiece, and the polarity is between the workpiece and the tool electrode for machining. In an electric discharge machining method for electric discharge machining of a workpiece while applying alternating voltage, a positive voltage is applied to the workpiece as a voltage to be applied between the workpiece and a machining tool electrode. Different types of voltage pulses are used for positive polarity and for reverse polarity in which a positive voltage is applied to the tool electrode.
また、本発明の請求項２に記載の焼結ダイヤモンドの放電加工方法は、請求項１に記載の焼結ダイヤモンドの放電加工方法において、上記正極性のときのパルスの放電持続時間の設定により異なる種類の電圧パルスを発生させることを特徴とする。 Further, the electric discharge machining method for sintered diamond according to claim 2 of the present invention differs in the electric discharge machining method for sintered diamond according to claim 1 depending on the setting of the discharge duration of the pulse at the positive polarity. It is characterized by generating different types of voltage pulses .
また、本発明の請求項３に記載の焼結ダイヤモンドの放電加工方法は、請求項１または２に記載の焼結ダイヤモンドの放電加工方法において、上記逆極性のときのパルスの放電持続時間の設定により異なる種類の電圧パルスを発生させることを特徴とする。 Moreover, the electric discharge machining method for sintered diamond according to claim 3 of the present invention is the electric discharge machining method for sintered diamond according to claim 1 or 2, wherein the discharge duration of the pulse when the polarity is reversed is set. Different types of voltage pulses are generated .
また、本発明の請求項４に記載の焼結ダイヤモンドの放電加工方法は、請求項１から３のいずれかに記載の焼結ダイヤモンドの放電加工方法において、上記逆極性のときのパルスの休止時間の設定により異なる種類の電圧パルスを発生させることを特徴とする。 Moreover, the electric discharge machining method for sintered diamond according to claim 4 of the present invention is the electric discharge machining method for sintered diamond according to any one of claims 1 to 3, wherein the pulse pause time when the polarity is reversed is provided. Different types of voltage pulses are generated depending on the setting.
また、本発明の放電加工機は、焼結ダイヤモンドを被加工物とし、上記被加工物と加工用の工具電極との間に極性が交互に反転する電圧を印加しながら被加工物を放電加工する放電加工機において、上記被加工物と加工用の工具電極との間に印加する電圧として、被加工物に正極の電圧を印加する正極性のときと、工具電極に正極の電圧を印加する逆極性のときとで、異なる種類の電圧パルスを発生させることができるパルス電圧の生成回路を備えたことを特徴とする。 Further, the electric discharge machine of the present invention uses sintered diamond as a workpiece, and discharges the workpiece while applying a voltage whose polarity is alternately reversed between the workpiece and the tool electrode for machining. In the electric discharge machine, the voltage applied between the workpiece and the machining tool electrode is positive when a positive voltage is applied to the workpiece, and the positive voltage is applied to the tool electrode. There is provided a pulse voltage generation circuit capable of generating different types of voltage pulses depending on the reverse polarity.
Claims (6)
前記被加工物と加工用の工具電極との間に印加する電圧として、被加工物に正極の電圧を印加する正極性のときと、工具電極に正極の電圧を印加する逆極性のときとで、異なる種類の電圧パルスを用いることを特徴とする焼結ダイヤモンドの放電加工方法。 In an electric discharge machining method in which sintered diamond is a workpiece, and the workpiece is subjected to electric discharge machining while applying a voltage whose polarity is alternately reversed between the workpiece and a tool electrode for machining,
As a voltage to be applied between the workpiece and the tool electrode for machining, a positive polarity in which a positive voltage is applied to the workpiece and a reverse polarity in which a positive voltage is applied to the tool electrode. An electric discharge machining method for sintered diamond, characterized by using different kinds of voltage pulses.
前記被加工物と加工用の工具電極との間に印加する電圧として、被加工物に正極の電圧を印加する正極性のときと、工具電極に正極の電圧を印加する逆極性のときとで、異なる種類の電圧パルスを発生させることができるパルス電圧の生成回路を備えたことを特徴とする焼結ダイヤモンドの放電加工機。As a voltage to be applied between the workpiece and the tool electrode for machining, a positive polarity in which a positive voltage is applied to the workpiece and a reverse polarity in which a positive voltage is applied to the tool electrode. A sintered diamond electric discharge machine comprising a pulse voltage generation circuit capable of generating different types of voltage pulses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2012118055A JP6097900B2 (en) | 2012-05-23 | 2012-05-23 | Electric discharge machining method and electric discharge machine for sintered diamond |
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| JP2012118055A JP6097900B2 (en) | 2012-05-23 | 2012-05-23 | Electric discharge machining method and electric discharge machine for sintered diamond |
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| Publication Number | Publication Date |
|---|---|
| JP2013244542A JP2013244542A (en) | 2013-12-09 |
| JP2013244542A5 true JP2013244542A5 (en) | 2015-07-02 |
| JP6097900B2 JP6097900B2 (en) | 2017-03-22 |
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| JP6343464B2 (en) * | 2014-03-06 | 2018-06-13 | 学校法人慶應義塾 | White copper electrode for rotary electric discharge machining of carbon-based high hardness material, rotary electric discharge machining method and apparatus |
| JP6253206B2 (en) * | 2015-06-04 | 2017-12-27 | 株式会社新日本テック | Blade processing apparatus and blade processing method |
| CN106735643A (en) * | 2017-01-25 | 2017-05-31 | 北京军地融合信息技术服务中心（有限合伙） | Electric spark emery wheel for polycrystal diamond cutter is combined Sharpening device and method |
| JP6434113B2 (en) * | 2017-11-27 | 2018-12-05 | 株式会社新日本テック | Work processing apparatus and work processing method |
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| JP2692510B2 (en) * | 1991-12-02 | 1997-12-17 | 三菱電機株式会社 | Electric discharge machine |
| JP3627084B2 (en) * | 1997-02-28 | 2005-03-09 | 三菱電機株式会社 | Electric discharge machine power supply |
| US8309876B2 (en) * | 2008-01-31 | 2012-11-13 | Mitsubishi Electric Corporation | Electric discharge machining apparatus and electric discarge machining method |
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