hot sale circular slitter blade/ round slitting knife

Operational Progress :

Steel-choosing→Blanking →Forging Steel →Rough Processing →Heat treatment →Finishing→Testing

Knives are available with polished side faces ,High cost performance ,Punctual delivery .

Slitter knives are manufactured to a thickness tolerance of ±0.002mm-0.003mm(±0.00007 inch-±0.00012inch).

Parallelism tolerances is within 0.003mm (0.00012 inch) These are all prerequisites for the best possible slitting results.

Materials : 9CrSi ,6CrW2Si , H13 ,Cr12MoV ,G1 , G2 ,G3 and etc .

Forging steel
The largest electro-hydraulic hammer is 4.5 ton .And more than 6 skilled technicians work for us .After forging ,the inside microstructure becomes much closer and the metal grain size becomes much smaller . It can evevate the characteristics and quality of the knife ensuring a longer life .

Rough processing
No less than 40sets of processing equipment in the rough processing workshop of our company , including lathe ,milling machine , planer , drill machine etc. Skilled workers are employed in its rough processing workshop .

Heat treatment
our company has independent workshop for heat treatment . Couples of skilled technicians work here . Actually , most blades ( thickness ≤100mm) can be fully hardened . Thus ,the blades can be used after repairing until the size reached the minimum design dimension .

Finishing
our company has more than 35 sets of processing equipment including internal grinder , external grinder , surface grinder ,CNC grinder ,electric spark CNC wire-cut etc. The company can produce the shearing blades with 5500mm in length and slitting knives with 1300mm in outside diameter .

Testing
Various testers are put to use for testing its products in our company . They are including tensile tester , impact testing machine , metallography analyzer , harmless flaw detector , magnetic powder inspection , hardness tester , caliper rule , microcalliper , etc . Testing is carried out after each step . And every product has a unique track number . Thus it is easy to trace back anytime .

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