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METHOD AND APPARATUS FOR DETECTION OF MECHANICAL FORCES AT THE TIP OF THE WELDING PIN IN THE PROCESS OF FRICTION STIR WELDING
METHOD AND APPARATUS FOR DETECTION OF MECHANICAL FORCES AT THE TIP OF THE WELDING PIN IN THE PROCESS OF FRICTION STIR WELDING
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机译:搅拌摩擦焊接过程中焊针尖端机械力的检测方法和装置
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摘要
The invention relates to a device and a method for detecting the mechanical forces at the welding pin tip during friction stir welding, having the following features: a) a strip-shaped sensor (3) at a long side of a tool cup (9) holding a welding pin pen (12) by way of a pin shaft (13) using a tool receiving cone (14), and also holding a welding shoe (11); b) a conical narrowed portion (20) in the further region of the tool-receiving cone (14), which serves to receive a sensor (18) for detecting the axial force, the torque and the bending moment at the welding pin pen (12); c) a further narrowed portion in the front region of the tool-receiving cone (14), having three sensors (24) distributed across the circumferences at a distance of 120 degrees; d) a sensor signal amplifier having a rotor antenna (19) for receiving, amplifying and forwarding all detected measurement values, said measurement values being forwarded by a static antenna (17) to a machine control; and e) an inductive power supply system.
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