... shaft neck cylindrical surface.Grinding, workpiece rotate speed, ground belt for axial swung repeatedly, so as to achieve the purpose of ... ideal equipments.B, The main technological parameters1, sand with specifications: 25.4 x 45000mm (wide x long) and particle size: 30 ... by grinding head automatic axial movement type)6, roll the belt speed: 1~4mm/s (adjustable)7, grinding head swinging frequency ...