PROCESS FOR PREVENTING DAMAGE TO NUMERICALLY CONTROLLED MACHINES IN THE EVENT OF A POWER FAILURE

摘要

In a numerically controlled machine there is provision for contrallably feeding the kinetic energy of a work spindle drive into the intermediate circuit in the event of a power failure and effecting a program-controlled emergency withdrawal of the tool spindle. The supply voltage for the controls is ensured via a standard non-synchronous motor module and a transformer connected thereto.