METHOD FOR DETECTING POSITIONAL DEVIATION FOR NUMERICALLY CONTROLLED STEP MOTOR

METHOD FOR DETECTING POSITIONAL DEVIATION FOR NUMERICALLY CONTROLLED STEP MOTOR

PURPOSE:To detect the positional deviation of a step motor by judging whether a returned position is an origin position or not each time when the step motor is returned to the origin position. CONSTITUTION:A disk 3 is fixed to the rotation shaft 2 of the step motor 1 and an origin hole 4 is formed i...

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1. Verfasser: TAKEO YUJI
Format: Patent
Sprache:eng
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CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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creator TAKEO YUJI
description PURPOSE:To detect the positional deviation of a step motor by judging whether a returned position is an origin position or not each time when the step motor is returned to the origin position. CONSTITUTION:A disk 3 is fixed to the rotation shaft 2 of the step motor 1 and an origin hole 4 is formed in the vicinity of the periphery of the disk 3. The hole 4 is photoelectrically detected by an origin detector 5, an origin detection signal from the detector 5 is inputted to an NC device 8 and a programmable controller 9 and the whole system is controlled by the controller 9. Namely the controller 9 judges whether a light penetration signal is inputted from the detector 5 or not, and when the signal is inputted, stores the completion of origin determination. If the light penetration signal is not inputted, the system is stopped and the motor 1 is reversed only by the radius of the hole 4 to correct the origin.
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subjects CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
title METHOD FOR DETECTING POSITIONAL DEVIATION FOR NUMERICALLY CONTROLLED STEP MOTOR
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