... jewelry, plastic processing, manufactu asonic spot hot fix handle welder is a general designation for all ultrasonic welding ... transform the inputted electric energy into mechanical energy, i.e ultrasonic. It appears in the vertically flexing movement ... 50W,100W,200W,300W,500WPower Adjusting: Step or continuousSwitch: handle or foot switchWorking time control: 0-999secondsHorn sonotrode Diameter ...