Method for detecting the making or breaking of contact of a sonotrode with a counter-element

System and method for measuring energy conversion efficiency of inertia friction welding machine

Automatic monitoring of the alignment and wear of vibration welding equipment

FRICTION STIR WELDING DEVICE, FRICTION STIR WELDING SYSTEM, AND FRICTION STIR WELDING METHOD

Control device for robot that performs work by pressing tool against workpiece

Numerical controller having suppressor that suppresses variation in velocity due to abrupt change in positional deviation

Automatic monitoring of the alignment and wear of vibration welding equipment

Method of friction welding and apparatus of friction welding

Friction stir welding load confirmation system

Friction stir welding load confirmation system

Method and system of inertia friction welding