| 摘要 |
The forging press uses a die (16) and two opposing punches (46, 48) for cold forming a star shaped component. The radially expandable die holder (80) is located inside a tapered (36) housing ring (34). Each die holder segment (38) is attached to the press ram (32) by two t straight levers. During the working stroke, the die holder segments close radially by being pushed into the tapered housing ring (34). This also produces an axial clamping force, transmitted by two pairs of spring washers (70, 72) in order to axially seal the die against extrusion during the forging operation. When the press ram is retracted, the die opens enough for the removal of the finish component and the insertion of another blank (56). |
