Bolt does not fall down when inserting bolt on work. Operation becomes Safer, Reliable and Speedy. The figure is stable when inserting bolt. That makes high quality of welding result
No vibrator is used to line bolts but lined by 25W motor.
Upper electrode comes down to pressurize a bolt inside fingers.
* The end of bolt is inserted into the lower hole of work.
* The Finger holds bolt to be vertical against work so that bolt will not fall down.
The screw threads are not damaged though the bolt is pinched by the end of finger.
Welding current does not flow even if pressurizing with no bolt. The feeder informs that there is no bolt with keeping pressurizing.
A Bolt is inserted to the Lower hole completely