| 摘要 |
A four-die forging device for forging presses, containing holders of upper and lower dies with inclined planes, holders of lateral dies cinematically connected thereto with inclined planes corresponding to the inclined planes of the holders of upper and lower dies installed to be movable relative to the holders of upper and lower dies and connected thereto by centering guides, anti-friction plates mounted on the inclined planes of die holders, and four dies with working surfaces, and the holders of lateral dies in longitudinal section have a shape similar to the shape of a truncated pyramid with the center of mass of " lateral die holder - lateral holder", which does not extend beyond the longitudinal section of the holder of lateral die, the centering guides are installed either on the lateral sides of die holders in number not less than four, or on the inclined planes of die holders dies in the longitudinal plane of symmetry of the device in number not less than two or on the lateral sides and on the inclined planes of die holders in the longitudinal plane of symmetry of the device in number not less than six. |
