Overload protection control method for pressing machine

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United States of America Patent

PATENT NO 7069847
APP PUB NO 20030066323A1
SERIAL NO

10252812

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Abstract

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An overload protection control method for a pressing machine capable of performing overload protection with excellent responsiveness with a simple structure is provided. For this purpose, the overload protection control method includes the steps of driving a slide (4) to reciprocate via a mechanical power transmission mechanism (3) by a servo motor (21), and raising the slide (4) by the servo motor (21) when detecting overload on the slide (4) during pressurization.

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Patent Owner(s)

Patent OwnerAddress
KOMATSU LTD2-3-6 AKASAKA MINATO-KU TOKYO 107-8414
KOMATSU INDUSTRIES CORPISHIKAWA COUNTY JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Teraoka, Kenichi Kanazawa, JP 3 27

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