MAGNETIC DRILL PRESS WITH ALTERNATE POWER SOURCE

MAGNETIC DRILL PRESS WITH ALTERNATE POWER SOURCE

A magnetic drill (10) is provided with an alternate power source (36). The drill (10) comprises: an electric motor (32) for driving a tool; a controller (33) configured to receive an AC input signal and operable to control a drive signal to the electric motor (32); an electromagnet (28) arranged in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Brotto, Daniele C
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
STORAGE MEANS FOR WORKSHOPS
TRANSPORTING
WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK
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Beschreibung
Zusammenfassung:A magnetic drill (10) is provided with an alternate power source (36). The drill (10) comprises: an electric motor (32) for driving a tool; a controller (33) configured to receive an AC input signal and operable to control a drive signal to the electric motor (32); an electromagnet (28) arranged in a base (24) of the drill housing and operable, in response to a DC voltage, to magnetically couple the base to a surface proximate to the base (24); an AC/DC converter (34) configured to receive the AC input signal and operates, independent from the controller (33) and in the presence of the AC input signal, to output a DC voltage to the electromagnet (28); and an alternate power source circuit that monitors the DC voltage output by the converter (34) and, in the absence thereof, provides an alternate DC voltage to the electromagnet (28).