Chuck with high installation precision

The utility model relates to the field of pipe processing equipment, in particular to a chuck with high installation precision, which comprises a casing, a clamping mechanism, a rotating mechanism used for driving the clamping mechanism to rotate, a translation vertical plate, a clamping mechanism, a transverse moving vertical plate and a transverse moving vertical plate, and is characterized in that the rotating mechanism is fixed on the casing and rotatably connected to the front side of the casing; the side, close to the machine shell, of the horizontal moving vertical plate is detachably connected with a cushion table, a gasket assembly is detachably connected between the cushion table and the machine shell, the mounting position of the clamping mechanism is preliminarily adjusted through the cushion table, the gasket assemblies with different thicknesses are additionally arranged between the cushion table and the machine shell, and accurate fine adjustment of the mounting position of the clamping mechani