Raw material
Management content: manufacturer's warranty, chemical testing, hardenability testing, steel factory, material management, furnace batch number management, etc.
Prepare Steel for Forging
Management content: confirm the material and specifications of the order, three inspection reports, packing management, etc.
Forging
Management content: confirm materials, mold confirmation, heating temperature, three inspections, etc.
Heat treatment
Management content: Confirmation of material quality, confirmation of heating temperature, quenching liquid concentration, confirmation of tempering temperature, sample testing, normal product testing, etc.
Heat treatment
Management content: confirm heating coils, confirm intermediate frequency process, quench liquid concentration, tempering temperature and time confirmation, sample testing, normal product testing, flaw detection, etc.
Welding
Management content: confirm the welding process, check the sample after welding, check the normal product after welding, etc.
Precision machining
Management content: drawings, product confirmation, process confirmation, production line inspection and warehouse-in inspection, etc.
assembly
Management content: incoming material inspection, cleaning, stamping, press-fitting, assembly, refueling, rotation test, etc.
Packaging and after-sales
Management content: paint adhesion inspection, production batch number and trademark, etc.
