- Patent Title: Metalworking system with force controlled wire feed start operation
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Application No.: US14943285Application Date: 2015-11-17
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Publication No.: US10173288B2Publication Date: 2019-01-08
- Inventor: Dustin Wagner , William Giese , Rick Hutchison , Erik Miller , James Uecker
- Applicant: Illinois Tool Works Inc.
- Applicant Address: US IL Glenview
- Assignee: ILLINOIS TOOL WORKS INC.
- Current Assignee: ILLINOIS TOOL WORKS INC.
- Current Assignee Address: US IL Glenview
- Agency: McAndrews, Held & Malloy, Ltd.
- Main IPC: B23K26/00
- IPC: B23K26/00 ; B23K37/00 ; B23K31/00 ; H05B3/00 ; B23K10/02 ; B23K26/342 ; B23K26/21 ; B23K26/70 ; B23K101/34

Abstract:
A method for controlling a start of a metalworking operation. The method includes detecting an initial contact between a wire being fed from a welding apparatus and a workpiece and, in response to the detection, halting feeding of the wire from the welding apparatus. The method further includes activating a high energy heat source configured to heat a tip of the wire and resuming the feeding of the wire from the welding apparatus when the tip of the wire is heated by the high energy heat source to a plastic state. The feeding of the wire is resumed by measuring a force feedback from the wire contacting the workpiece. An apparatus for implementing the method is also disclosed.
Public/Granted literature
- US20170136587A1 METALWORKING SYSTEM WITH FORCE CONTROLLED WIRE FEED START OPERATION Public/Granted day:2017-05-18
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