- 55孔：
- 582
CutterCutting machine , Diameter, length Test according to the "Inspection Work Instructions"
HeatingUse"Medium frequency electric furnace1000-1180℃
Forged into shape "1600T Friction Press, 2500T Press" The dimensions are inspected according to the drawings and the "Inspection Work Instructions" ProductsSurface quality without cracks, folding and other defects
Deviation mode allowance ≤0.8mmTrimming font-size: 19px;">400Punch " 19px;">Residual flash ≤1mm, Trimming surface No burrs
Trolley-type resistance furnace, furnace preheating 180-200℃, Heating 900℃, Insulation 2.5-4 hours, Hardness Calibri;">HB125-165
Mechanical properties " Tensile strength ≥ Calibri;">470, Yield strength ≥3450℃ impact ≥27"
Shot blasting machineCarry out shot blasting, remove the surface oxide skin 19px, style="font-family: Calibri;">3 minutes
Milling machine, CNC drilling and boring machineProceedingMachining , The dimensions are tested in accordance with the drawings and the "Inspection Work Instructions"
Inspection:Residual flash ≤1mm,Surface quality There should be no cracks, folds and other defects,Deviation mode allowance ≤0.8mm
Size requirements According to drawing requirements
Packing