99久久人妻无码精品系列涩谷 _国产片中文字幕在线播放_成人性爱高清视频免费视频大片_亚洲A片免费看

  Pusher is a special equipment for heating billet in reheating furnace in rolling production line. Mechanical pusher is often used in old production line, which has large volume, high price, high failure rate and complex maintenance. In practical application, equipment such as pusher requires synchronous control, which requires the electronic control device to have the characteristics of fast synchronization, accurate positioning, etc. most of the original production equipment uses friction plate mechanical clutch to connect two or more mechanical hard, so as to complete the same step of equipment location.