Cold extrusion moulding process of aluminium alloy complex cup-shaped thin-wall part
A forming process, cold extrusion technology, applied to engine components, mechanical equipment, etc., can solve the problems of long production cycle, large amount of machining, low material utilization rate, etc., to reduce raw material consumption, reduce forging process, rough surface The effect of high degree and dimensional accuracy
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[0015] Example 1
[0016] This embodiment provides a cold extrusion forming process of an aluminum alloy complex cup-shaped thin-walled part, which is characterized in that: the cold extrusion forming process of the aluminum alloy complex cup-shaped thin-walled part is that the punch and the concave die Installed on the forging equipment, choose 3150T electric screw press or 2500T hydraulic press, adjust the gap and shift of the die, lubricate the die with lubricant industrial lard; adjust the equipment, when using the 3150T electric screw press, adjust its striking energy to 30%; then at room temperature, put the softened cold round bar with a diameter of 200mm into the cavity; under the pressure of the equipment, the metal flows in the cavity until it fills the cavity, and the excess metal is Back-extrusion between the male and female dies to form the flange at the opening of the forging; after the equipment stroke is over, the metal no longer flows, forming the final shape and...
Example Embodiment
[0020] Example 2
[0021] This embodiment provides a cold extrusion forming process of an aluminum alloy complex cup-shaped thin-walled part, which is characterized in that: the cold extrusion forming process of the aluminum alloy complex cup-shaped thin-walled part is that the punch and the concave die Installed on the forging equipment, select 3150T electric screw press or 2500T hydraulic press, adjust the gap and shift of the mold, lubricate the mold with lubricant industrial lard; adjust the equipment, use 2500T hydraulic press, the energy is maintained at the maximum, the speed is 2-8mm / s; Then at room temperature, put the softened cold round bar with a diameter of 200mm into the cavity; under the pressure of the equipment, the metal flows in the cavity until the cavity is filled, and the excess metal is reversed Extruded between the male and female dies to form the flange at the opening of the forging; after the equipment stroke is over, the metal will no longer flow, form...
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