Method and system of determining wire feed speed
First Claim
Patent Images
1. A wire feeder comprising:
- a source of consumable weld wire to be delivered to a weld during an active weld event;
a contact-less sensor configured to provide feedback as to a net speed by which consumable weld wire is delivered to the weld from the consumable wire as it is delivered from the source to the weld; and
wherein the contact-less sensor includes an optical sensor configured to provide feedback as to a direction by which consumable weld wire is delivered to the weld.
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Abstract
A system and method for controlling a wire feeder is disclosed. The speed by which a wire feeder delivers consumable weld wire to a weld is dynamically controlled based on feedback from a contact-less sensor. The contact-less sensor provides the feedback directly from the consumable weld wire as it is being delivered to a weld. The present invention is particularly applicable with MIG and CSC welding systems.
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Citations
17 Claims
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1. A wire feeder comprising:
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a source of consumable weld wire to be delivered to a weld during an active weld event; a contact-less sensor configured to provide feedback as to a net speed by which consumable weld wire is delivered to the weld from the consumable wire as it is delivered from the source to the weld; and wherein the contact-less sensor includes an optical sensor configured to provide feedback as to a direction by which consumable weld wire is delivered to the weld. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A controller configured to:
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receive an indicator of actual wire feed speed from consumable weld wire being translated from a wire source to a weld;
from the indicator of actual wire feed speed, dynamically control operation of a motor delivering and retracting the consumable weld wire between the source and the weld; andreceive feedback as to speed by which consumable wire is being delivered to the weld and as to changes in direction in consumable wire translation. - View Dependent Claims (10, 11, 12, 13)
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14. A welding system comprising:
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means for delivering consumable wire to a welding gun; means for determining wire feed speed and wire feed direction from consumable weld wire as the consumable weld wire is being delivered to the welding gun; and means for regulating the delivering means such that a difference between actual wire feed speed and a desired wire feed speed is reduced. - View Dependent Claims (15, 16, 17)
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Specification