Operating principle of a welding positioner? Welding positioner drawings? Philip tells you on welding positioner has the following characteristics: 1 constant torque output characteristics with a DC motor drive turntable rotates, smooth and reliable operation of the turntable, welding speed stepless, and the speed range, high precision adjustment; 2. Soft-start function: Speed ??is adjustable rise time within 0-30 seconds; 3. limiting protection alarm function; 4. Equipped with convenient quick-locking clamping jaw chuck, applicability, but also a special dress 5. The selection of fixtures and tables simple mechanical connection, high positioning accuracy; design of the fixture. 6. Turn the table using a foot switch control, easy to operate.