The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 2019
Filed:
Jun. 22, 2015
Grenzebach Maschinenbau Gmbh, Ashbach-Baeumenheim, DE;
Markus Weigl, Donauwoerth, DE;
GRENZEBACH MASCHINENBAU GMBH, Asbach-Baeumenheim, DE;
Abstract
Method and device for quick and reliable tool changing in the process of friction stir welding, comprising the following features: a) a robot () with a robot pivoting head () and a friction welding head () with a welding shoe (), wherein the robot () can select a friction welding head () from a tool magazine (), b) a device for sensing the mechanical forces at the welding pin tip () of each welding shoe () of a friction welding head (), wherein a sensor () is attached to the frustoconical part of the tool (), wherein a sensor () is provided, and wherein furthermore a sensor () is provided in the flared pin receptacle () and a piezoelectric force-measuring sensor () is provided in the longitudinal axis of the pin shaft () for measuring the axial force acting on the welding pin tip, c) an RFDI code provided on the pin shaft () of each welding shoe () for identification, d) a changing skid () provided on each welding shoe ().