Integrated metal sleeve device with maintenance-free precision and clamping method thereof

The invention provides an integrated metal sleeve device with the maintenance-free precision and a clamping method thereof, relates to an integrated metal sleeve device of which the precision does not need to be regulated and maintained and the clamping method thereof, and belongs to the field of optical fiber perform manufacturing. The integrated metal sleeve device with the maintenance-free precision comprises main shaft connecting plates, stainless steel fixing bolts, two integrated metal sleeves, polyimide sleeves, positioning and locking screws, Teflon plug pins, Teflon adhesive tape, a glass rod, dial indicators, two servo motors and main shafts; the main shafts are installed on main shaft seats through bearings, the servo motors are installed on motor supports, the output shafts of the servo motors are connected with the main shafts, and the main shaft connecting plates are installed at the front ends of the main shafts; the stainless steel fixing bolts connect the main shaft connecting plates with the integrated metal sleeves, the two ends of the glass rod are installed in the polyimide sleeves respectively, the Teflon adhesive tape winds and wraps the positioning and locking screws and the Teflon plug pins, and the two servo motors synchronously drive the glass rod and the two integrated metal sleeves to rotate synchronously.