Four-column pipe spin welder Main features: 1. Imported servo system 2. Accurate positioning 3. PLC programmed control systems and human-computer interface for adjusting welding parameters. 4. Weld the round work-pieces which need positioning. 5. Four-columned frame structure with high-precision straight bearing and movement from top to bottom completely eliminate the couple and backwards. spin welder Specifications: Model: KEB-DW30 Dimension: L720mm*W680mm*H2000mm Weight: 300kg Starting torque: 20NM200kg/cm spin welding machine Normal torque: 5NM50kg/cm Power: one-way 220V/380V 12A/10P Motor revolution: 0-5000rpm (adjustable) Driving mode: servo motor & driver Place of origin: Suzhou, China