Axis Drop Problem In CNC Machines

The introduction of Computer numerical control(CNC) machines radically changed the manufacturing industry because of it is key advantages like high accuracy and faster production. In one sense, CNC machines may be said to represent special industrial robot systems ,as they are programmable to perform any kind of machining operation

Most of the manufacturing industries face problems in position control of the vertical axis during machining on CNC machines in the event of an unprecedented power failure .The axis slips downwards due to inertia and gravitational force acting on vertical axis of CNC machines.

In case of die and mold applications, where the accuracy of jobs are comparatively very high, the damages caused due to this problem are very expensive when the material being machined is titanium or other costly materials. In order to avoid this problem it is necessary to stop the axis run away immediately, by applying the electromechanical brake connected to the axis servomotor or ball screw rod in advance so as to apply the axis brake in advance and protect the axis runaway.