[Idler Hardening Machine]

At Fuji Denshi, we manufacture and sell induction hardening machines
and also do job heat treatment.

This photo shows the hardening of an idler.

With our original technology, we achieve high strength and precision
hardening even for difficult large parts.

Our one-shot circumference hardening ensures high productivity for
large parts such as gears, idlers, and rollers.

Traditional hardening methods cannot prevent uneven hardening.
Also, when using ring coils, hardening must be done separately
on both sides of the idler.

With our methods, our original semi-open coil repeats heats with
intermittent breaks, gradually heating the rotating workpiece and
preventing unevenness.

This method also decreases total consumed power and greatly
reduces cycle time, achieving high productivity.