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 Company Process

BLANKS HEATING:

Heating of cut blanks is carried out in oil fired box & pusher type furnace as per section shape at 1150 C to 1250 C with proper shocking time. The temperature is monitored and controlled using thermocouple attached with furnace in order to avoid overheating & burning.

DROP FORGING

Forging process is carried out on drop hammer. Upsetting, Rolling, Pulling, bending operation is carried out to get nearer shape of finish impression on same dies. Excess material is trimmed on adjoined power press with die & punch. We can forge weighing from 100grams to 30 kg circular & profile single component in carbon & alloy steel.

INHOUSE HEAT TREAMTMENT

As per customer requirement, forging undergo the normalizing, stress relieving, annealing as per qualified cycle. Heat treatment cycles (Temp. V/s Time) are recorded & controlled by PLC base microprocessor. Continuous type heat treatment furnace with Quenched & tempered, ISO annealing facilities are in expansion project.

POST PRODUCTION - SHOT BLASTING

Forging surface de-scaling operation is carried out on In house shot blasting machine. We are using proper grade of steel shots to avoid pit marks & remove embossed marking. Then 100% fettling operation is conducted in house fettling shop to remove flash projection, burrs, chopping etc. After fettling 100% visual inspection is done & as per quality plan Pre Dispatch Inspection (PDI) report is carried out & sends along with forgings to customer.

QUALITY OF FINISHED PARTS

Magnetic particle inspection (MPI):

Surface cracks  to be detected on In house MPI machine (Make-Magnafield) & inside cracks to be detected on Ultrasonic machine(Outsourcing) for all functionally critical forgings OR as per customer requirement.



Hardness Checking

Hardness checking is carried out on In house Brinell Hardness tester by 3000kg load &10mm ball diameter. Hardness checking is carried out on forging to be supplied in “ As forge condition or Heat treated condition to verify customer specification. 100% hardness testing is carried out for functionally critical forgings OR as per customer requirement.



Dispatch
All forgings are dispatched loose OR  packing in gunny bag or wooden case along with material test certificate, Heat treatment cycle chart, dimensional inspection report & packing slip.