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EH has installed totally 15 Nos. of Induction Heating Machines to carryout Heat treatment.
Six are installed in Bengaluru Five in Hosur and Four in Chennai.
IH Machines have work stations to hold the parts for a)Travelling & Scanning Fixture with vertical travel b) Rotation Fixture with pneumatic up-down movement.
IH Tools are fitted on the IH machine to carry out the Heat Treatment of each of the part. They are a) Job Holder b) Inductor Coil c) Quench Sprayer d) Coil Making Gauge / Coil Fitting Gauge e ) Coil Gap Gauge
Tempering is done immediately within 3 hours after the Induction hardening to get the stresses relieved as well as to reduce hardness if needed.
EH has installed Four Nos. of Electrical Ovens, Two in Bengaluru, One each in Chennai and Hosur to carry out Tempering process
Work Instructions are made and displayed on these machines, describing how to operate and work on these machines.
IH "Process Plan" has been made for each of the part and this docoment is followed while processing by the operator.
The operator checks for 'Incoming "Inspection Report" done by Inspector and then does the Induction Hardening operation and Tempering operation.
Operator records the process parameters and results obtained during his shift in the given format called 'Production Report'.
After Induction Hardening and Tempering done, the Operator submits the processed parts for 'Inspection' to quality Inspector.
The inspector makes the final inspection and records the result in the 'Outgoing Inspection Report' from which 'Test Certificate' are made and then the parts are delivered to the customers.
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