Machine tool and method for operating a machine tool

Details Machine tool and method for operating a machine tool Machine tool and method for operating a machine tool

2006-09-11

2009-12-22

Duda, Rina I (Department: 2837)

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

C388S937000, C310S050000

Reexamination Certificate

active

07636516

ABSTRACT:
The invention relates to a machine tool comprising an electric motor (2) which serves to drive a tool and which has an adjustable, electric brush arrangement (3), and comprising a mode selector switch (6) having various switch positions. Provision is made for an adjusting device (8) to displace the brush arrangement (3) as a function of the switch position of the mode selector switch (6). Furthermore, the invention relates to a corresponding method.

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