EXTRUSION PRESS MACHINE

摘要

An extrusion press machine includes an end platen, a die, a container, container cylinders which move the container back and forth, a stem that pushes a billet in the container, and a main cylinder at the front end of the stem is provided and by which the stem can freely slide front and back, the extrusion press machine further including a plurality of hydraulic valves that supply hydraulic oil in the main cylinder to the container cylinders and which operate before the stem and the container retract in movement when discharging compressed air in the container after upset of the billet and further including a hydraulic valve that discharges hydraulic oil in the main cylinder into a tank, the hydraulic valves connected by a hydraulic pipeline, and the main cylinder and the container cylinders being able to be connected.

主权项

1. An extrusion press machine comprising an end platen, a die, a container, container cylinders which move said container back and forth, a stem for pushing a billet in the container, and a main cylinder at the front end of which the stem is provided and by which the stem can freely slide front and back,
said extrusion press machine further comprising a plurality of hydraulic valves which supply hydraulic oil in said main cylinder to said container cylinders and which operate before said stem for pushing the billet and said container retract in movement when discharging compressed air in the container after upset of the billet and further comprising a hydraulic valve which discharges hydraulic oil in said main cylinder into a tank, said hydraulic valves connected by a hydraulic pipeline, and said main cylinder and said container cylinder being able to be connected.