The axial flotation of chuck plays an important role in the protection of rod pipe threads and prevention of rod pipe stripping or cutterhead from dropping during the process of raise boring.
在天井钻进过程中，卡盘的轴向浮动对保护钻杆螺纹和防止钻杆脱扣、刀头坠落等方面具有重要作用。
PLK precision Machinery to provide precision milling chuck handle, high-speed precision machine tool holders, precision boring devices and CNC milling arbor series cars.
PLK精密机械提供精密铣刀夹头柄，高速机精密刀柄，精密镗孔器及CNC车铣刀刀杆系列。
PLK precision Machinery to provide precision milling chuck handle, high-speed precision machine tool holders, precision boring devices and CNC milling arbor series cars.
PLK精密机械提供精密铣刀夹头柄，高速机精密刀柄，精密镗孔器及CNC车铣刀刀杆系列。
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