Attention should be paid to material preparation during aluminum alloy forging, with a flat end face and no cracks, spots, scratches, etc. on the surface; Porous forging is not suitable; Pay attention to preheating and lubrication of the mold; Cut the edges promptly after forging. 3363366, for complex and medium-sized forging parts, a forging hammer should be used. Simple in shape, crankshaft press is used for medium-sized and billet making. 3 3 3356 large aluminum alloy adopts forging hydraulic press. Preheating of forging die is close to the forging temperature of aluminum alloy.
