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Shiyan Hengjin Induction Technology Co.,Ltd
Address:NO.6 Pulin 1st road, Pulin Industry Garden, Shiyan City, Hubei province
Tel:+86-15347275387
Fax:+86-719-8116201
Email:heatking@vip.163.com

Shanghai Shangpin Electrical Equipment Co.,Ltd (Foreign Trade Center)
Address: Room 912,Fudan Software Park B,No.15 Changyi Road,Baoshan District, Shanghai 
Tel: +86-21-61173797
Fax: +86-21-61173797
Email:info@syheatking.com

Industry News

How to Divide the Current Frequency of Induction Hardening Machine?
Induction hardening machine operating frequency is divided into four kinds: low frequency(below 1kHz), intermediate frequency (1kHz to 10kHz), ultra frequency (10kHz to 50kHz), high frequency (50kHz to 200kHz). Depending on the depth of the workpiece hardened layer, the frequency used is different.

Hardened layer depth requirements, the lower the required frequency, on the contrary, the higher the frequency.
 
Low frequency (1kHz below), hardening machine in the scope of operating frequency, mainly used for large workpiece surface hardening, hardened layer depth is generally between 10-15mm.
 
Medium frequency (1kHz to 10kHz), hardening machine in the scope of the current frequency of work, machine is mainly used in large diameter shaft and cold roll and other parts of the surface hardening, hardened layer depth of up to 4 to 10mm.
 
Ultra-frequency (10kHz to 50kHz), machine operating current frequency in this range, ultra frequency hardening machine is mainly used in various types of automotive or motorcycle workpiece surface hardening, the  hardened layer depth of up to 1.5 to 3mm.
 

High-frequency (50kHz to 200kHz), high-frequency hardening machine tool is mainly used in gears, cylinder liners, cams, shafts and other parts of the surface induction hardening, the hardened layer depth is generally between 0.5 to 2mm.

 

Induction Hardening Current Frequency Division and Equipment Application


Frequency

Hardened Layer Depth  

Applications

Low Frequency

10-15mm

Large workpiece surface hardening.

Medium Frequency

4-10mm

Large diameter shaft and cold roll and other parts of the surface hardening.

Ultra Frequency

1.5-3mm

Various types of automotive or motorcycle workpiece surface hardening.

High Frequency

0.5-2mm

gears, cylinder liners, cams, shafts and other parts of the surface induction hardening.


Shiyan Hengjin Induction Technology Co., Ltd. has a wealth experience in induction hardening, the induction hardening machine working current frequency covers low frequency, medium frequency, ultra and high frequency. Shiyan Hengjin induction can be based on the type of workpiece and hardened layer depth requirements for custom solutions.


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