Typical structure of high frequency induction hardening inductor

High-frequency induction hardening inductors are usually made of copper pipes, which are light in structure and more convenient to manufacture. Figure 7.34 shows several common high-frequency induction hardening inductors.

Figure 7-34 Several common high-frequency induction hardening inductors

a) Outer circle sensor b) Inner hole sensor c) Plane sensor d) Tunnel sensor

e) Hairpin type sensor f) Inclined package type outer circle sensor