... , machining diameter scope: ≤ 100mm4, Workpiece length range:100mm~300mm 5, single head machining parts length: 20~32mm (if > 32mm, ... speed: 1~4mm/s (adjustable)7, grinding head swinging frequency: 5~20 times/s (adjustable)8, grinding head swinging range: ... /parts10 and contact pressure: 0~0.5 Mpa (adjustable)11, spindle speed: 1500rpm (variable frequency speed regulation)12, axial moving length: ...