The newest trends of electrical discharge machining (EDM) including die-sinking EDM, micro EDM and wire EDM (WEDM) in Japan were presented.
综述了日本在放电加工领域的最新研究动态，包括成形放电加工、微细放电加工和线切割放电加工三部分内容。
The effects of various amounts of deformation, steel grades, degrees of hardenability, die entry angle and drawing speeds on dia. sinking drawing are studied.
研究了不同变形量、钢种、硬化程度、模角和拔制速度对空拔管直径缩小量的影响。
The heat radiation body of the heat radiator of the invention can realize uniform die sinking, and can not generate waste cut materials, so the cost is effectively reduced.
本发明散热器的散热体可统一开模，且不会产生切削废料，从而有效降低了成本。
The experiment shows that the magnitude of dia. sinking is increased with the increase of reduction and die entry angle;
实验表明，直径缩小量随减径量和模角的增大而增大；
The mixed air EDM experiments about spindle servo system parameters of the HCD 400 die sinking electrical discharge machine were carried out using mixed air EDM equipment.
利用混气电火花加工装置，进行了H CD - 40 0电火花成形机主轴伺服系统的混气电火花加工实验。
Hydraulic drawing-core mechanism was adopted for two-side of inner-sinking in the die casting die, and pre-resetting mechanism was set to avoid the interference of core slide with ejector pin.
压铸件内凹处两侧采用液压抽芯机构抽芯，为防止滑块型芯与推杆发生干涉而设置了预复位机构；
Hydraulic drawing-core mechanism was adopted for two-side of inner-sinking in the die casting die, and pre-resetting mechanism was set to avoid the interference of core slide with ejector pin.
压铸件内凹处两侧采用液压抽芯机构抽芯，为防止滑块型芯与推杆发生干涉而设置了预复位机构；
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