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Company Process
DIE PREPARATION

Dies are designed by using latest UNIGRAPHICS design software. Finish impression & blocker impression on dies are sinking on Vertical machining center (VMC). Addition facilities like EDM, Planner, milling machine, lathe, radial drill, pneumatic grinder for finishing available for trimming tools, coining die & other activity related tooling’s manufacturing. The raw material for dies is DIN-2714 harden & tempered.
Toolings Inspection

Finish impression from dies are 100% dimensionally checked by LAYOUT ON POP (Plaster of paris) & data recorded before production. Trimming tools(die & punch) for trimmed excess during production are made by POP mould. Trimming die edge is welded by hard facing welding rod & finishing  by pneumatic grinder.
IN HOUSE METAL TESTING LABORATORY:
Receipt of rounds and billets steel is identified by specified color codes to avoid mix-ups & stored in racks. As per steel supplier test certificate, steel material inspection & testing verified at in house Lab. Steel material is tested for chemical analysis, size, micro-cleanliness,  macro-etch for inclusions, surface hardness for cold shearability & Physical testing if required( Outside NABL approved Lab.) After heat treatment, Microstructure & hardness, grain size, grain flow is checked as per quality plan at in house metallurgical Lab.

We always insist to purchase AL killed steel material from National reputed manufacturer & it must be processed in arc furnace, LRF & vacuum de-gases (VD) & as rolled with Minimum 6 (six) times reduction ratio for cast billet.

 
CUTTING

As per section size, blanks cutting are carried out on either 3” or 4” billet cold shearing machine. Cut blanks weight is controlled by continuous monitoring on electronic digital weighing machine & recorded in given cutting slip before heating.
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