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Wilfried G.,EMA Induction Technology Beijing Co. | Yan M.-G.,EMA Induction Technology Beijing Co.
Jinshu Rechuli/Heat Treatment of Metals | Year: 2010

The presentation introduces a new inductive fixture hardening & tempering process that combines the known benefits of induction heating/hardening with the pros of press hardening process. The process route is direct mould press hardening after induction heating of workpieces,following by in situ induction tempering,which allows the mould sets to draw out easily without any abrasion. The main component is a new hardening machine with fixture hardening assembly and integrated induction coil. The process is suitable for volume production of any highly precise cylindrical workpieces, such as auto parts: sliding sleeves, ring gears, synchronizing rings, bevel gears, coupling bodies, etc.


Zheng C.,EMA Induction Technology Beijing Co. | Wu Z.,EMA Induction Technology Beijing Co. | Wang S.,EMA Induction Technology Beijing Co.
Jinshu Rechuli/Heat Treatment of Metals | Year: 2013

The internal gear ring is an important part of the wind turbine gearbox planetary transmission mechanism. In order to obtain excellent heat treatment quality, good process control is necessary. The induction hardening process control of the gear ring is detail introduced from the raw material control, inductor manufacturing, the heating factor control, the cooling factors control and quality inspection.

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