OEM Fan Air Forging Steel Shaft Spline Shaft

A single-piece, hot-forged steel spline shaft that transmits torque from the motor to the impeller in large centrifugal / axial fans, HVAC units, blowers and compressor packages—built 100 % to your drawing or sample.     Key service scope Full OEM/ODM pathway: co-engineer, prototype, test, serial produce Forging + rough machining + heat-treatment + finish machining + dynamic balancing + coating in one stop Batch-size flexibility: 1 prototype to 10 000 pcs per release Drawing formats accepted: STEP, IGES, DXF, PDF, hand sketch with critical dimensions Forging platform 1 000 t – 30 MN open-die & ring-roll lines, 4 000 t close-die press Forge ratio ≥ 4 : 1 to eliminate internal voids and align grain flow along the spline teeth for 30 % higher fatigue strength Ingot capacity 50 kg – 10 000 kg; max. Ø 2 500 mm, length 6 000 mm   Material menu (typical) Carbon steel: C45, CK45, S355J2G3 Alloy steel: 42CrMo4, 34CrNiMo6, 4340, 4140, 18CrNiMo7-6 Stainless & d…