Automatic devices
The computerized triple automatic machine trimming immediately,and it according to setting on the panel to control the length of be trimmed thread in begin and end .It means to improve efficiency and save thread.
Solenoid Valve Control the Amount of Air Supplying
The computerized triple automatic machine control air supply base on solenoid valve.The air-indeaft time can be adjusted freely.According to the requiremeng the air-indraft time can set within 1-3 seconds after thread trimming .if for a long time sewing process, the air-indraft time also can be set within 1-3 seconds during sewing .So it can realize saving air resource 70% at least.