STEEL SHEET HOISTING METHOD USING LIFTING MAGNET, LIFTING MAGNET, AND STEEL SHEET PRODUCTION METHOD USING LIFTING MAGNET

STEEL SHEET HOISTING METHOD USING LIFTING MAGNET, LIFTING MAGNET, AND STEEL SHEET PRODUCTION METHOD USING LIFTING MAGNET

When steel plates are to be lifted with a lifting magnet, the magnetic flux penetration depth is controlled with high accuracy in accordance with the thickness of the steel plates and the number of steel plates to be lifted, thereby providing reliable and stable lifting of a desired number of steel...

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Hauptverfasser: KAWAI Ayaka, TAKEMURA Yusaku, KURIMOTO Atsushi, TAKAKI Yuki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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creator KAWAI Ayaka
TAKEMURA Yusaku
KURIMOTO Atsushi
TAKAKI Yuki
description When steel plates are to be lifted with a lifting magnet, the magnetic flux penetration depth is controlled with high accuracy in accordance with the thickness of the steel plates and the number of steel plates to be lifted, thereby providing reliable and stable lifting of a desired number of steel plates regardless of the thickness of the steel plates.A lifting magnet 1 is used. The lifting magnet 1 includes a plurality of electromagnet coils 2 that are each independently ON/OFF-controllable and voltage-controllable, and a magnetic pole 3 that is excited by application of a voltage to the electromagnet coils 2. An electromagnet coil 2 to be used for lifting steel plates is determined based on a total thickness of the steel plates to be lifted. An amount of passing magnetic flux Φr in the magnetic pole 3 in a case where magnetic flux passes through only the steel plates to be lifted when the electromagnet coil 2 is used is calculated. An application voltage to be applied to the electromagnet coil 2 used for lifting the steel plates is determined based on the amount of passing magnetic flux Φr. The application voltage is applied to the electromagnet coil 2.
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subjects CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
title STEEL SHEET HOISTING METHOD USING LIFTING MAGNET, LIFTING MAGNET, AND STEEL SHEET PRODUCTION METHOD USING LIFTING MAGNET
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