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DEVICE AND METHOD FOR AVOIDING AN INTERRUPTION IN THE WELDING PROCESS DURING FRICTION STIR WELDING, IN PARTICULAR BREAKAGE OF THE FRICTION PIN
DEVICE AND METHOD FOR AVOIDING AN INTERRUPTION IN THE WELDING PROCESS DURING FRICTION STIR WELDING, IN PARTICULAR BREAKAGE OF THE FRICTION PIN
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机译:避免摩擦搅拌焊接过程中焊接过程中断的设备和方法,特别是摩擦销断裂
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摘要
The invention relates to a device and method for avoiding an interruption in the welding process during friction stir welding, in particular breakage of the friction pin, wherein the device has: g) at least three strip-like sensors (8), oriented at an angle of 120 degrees to one another, on the long sides of a wedge-shaped tool dome (7), wherein the tool dome (7) guides a welding pin (19) by means of a tool receiving cone (28) and a welding shoe (11), and the sensors (8) are configured to determined force, pressure and travel, h) a conical evaluation means in the lower region of the tool receiving cone (28), which serves to receive a sensor (22) for sensing the axial force, the torque and the bending moment on the welding pin (19), i) a piezoelectric vertical adjustment means for the welding pin (19), j) an arrangement of a laser measuring sensor (10) in the region of the welding shoe (11), the directivity of which passes over a round hole (27) in the passage region of the pin tip (12), wherein an airborne noise sensor (3) is arranged opposite the laser measuring sensor (10) and a welding shoe temperature sensor is provided, k) a sensor signal amplifier (23) having a rotor antenna for receiving, amplifying and passing on all sensed measured values, wherein these measured values are passed on to a machine controller by a static antenna (16), l) an inductive power supply system for supplying the measuring system from a moving secondary winding (24) and a stationary primary winding (25).
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