NED型旋转式机械夹头 NED-type rotary & mechanical chuck 原纸架专用机械式夹头 传统的锥形夹头，在使用过程中存在破损原纸纸芯的弊端，使用新型机械式自动定心夹头，可提高原纸利用率，降低生产成本。 免维护，应用特殊材质，耐磨损，长寿命。 高扭矩，高承重，多款尺寸选择。 Shaft-less Winders Exclusive Mechanical Chuck Traditional tapered chuck may damage the paperboard core in use procedure, while using our new mechanical & automatic centring chuck can improve raw paper use ratio and reduce production cost. It is mainternance-free with special texture, wear resistance and long service life. Besides, it has high toqure and load capacity, different sizes for you to choose from.