... use synchronization stepless speed regulation with feeding, motor rotation. 2. Buffer pithead 3. Feeder machine ... 1 set, servo motor driver.O punch and V notch have horizontal step function, according to ... shear use double cylinders push-pull type servo motor drive, high efficiency, low noise.5. ... 380V±10%(3) Frequency: 50Hz6. Has longitudinal step function7. Operation table direction: Right to Left, ...