Accept rewind unit:using the servo motor, automatic control tension, adopted without rui chirise shaft clip material.
收放卷单元：采用伺服马达，自动控制张力，同时采用无芯式气胀轴加料。
2
Automatic saw blade-chucking device is adopted in down clip, so it can chuck saw blade quickly and effectively.
下卡头采用自动锯条夹持装置，可迅速、有效夹持锯条。
3
When someone or something passes, it can accurately and reliably detect, and provide signals to the automatic door, thereby avoiding the occurrence of automatic door clip folder accident.