... ) 1 set 8. .3150 shaftless traversing and take-up stand 1 set 9. drive system 1 set 10. electric control device 1 ... reducer, transmission shaft underground, shaft coupling, protective housing, etc.8. Electric control system (1)power source: 3-phase and 5-line, 380V ... (+ 10%), 50HZ (2)main control adopts electromagnetic speed-adjustable device, with easy operation and operation ...