Machine tool work spindle drive - has angularly adjustable motor with spur gearing controlled via pawl

摘要

The work spindle drive gearing comprises a housing, an angle-adjusted motor for the input shaft, change gears and an output shaft for the spindle. Toothing on the machine stand can be engaged with input and output shaft gears for direct pre-clamping. The shaft (19) is carried parallel in the frame (9) legs axi-parallel to the input shaft (30) and coaxial output shaft (43) and fix two spur gears (20,21) forming the toothing specified. The frame can be pivoted by drive on an axis (26) parallel to the gearing axis (25) and the angle setting is determined by fixing one of the spur gears at an adjustable angle to the second gear on shaft (19). The spur gears are arrested out of engagement by a pawl which engages the shaft via a brake lining and is pressed by a compression spring onto an adjustably fixed endstop used for actuation. USE/ADVANTAGE - NC machine tools. Work can be pre-clamped without collisions between machine parts.