... belt speed: 1~4mm/s (adjustable)7, grinding head swinging frequency: 5~20 times/s (adjustable)8, grinding head swinging ... pressure: 0~0.5 Mpa (adjustable)11, spindle speed: 1500rpm (variable frequency speed regulation)12, axial moving length: 1 # grinding head 80mm ... length: 50mm14, Radial slide the length: 50mm15, power: 380V / 220V / 24V 50Hz16, air source: 0.6 Mpa17, figuration dimension: 1400 x ...