Screw Strengthening Manual (Vol. 41) Sometimes it can be partially hardened!
Introducing a method to heat only the surface of materials that can be hardened, in a blog format!
This time, I will talk about high-frequency hardening. It is a heat treatment method where a copper wire coil, called a high-frequency coil, is wrapped around a product that you want to harden, and heat is applied by passing an electric current to harden only the surface. While one might think that general heat treatments like quenching or annealing would suffice for hardening, there are valid reasons for choosing high-frequency hardening. *For more detailed content, you can view it through the related links. Please feel free to contact us for more information.*
- Company：池田金属工業
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