EVENING DEVICE FOR RIVETING Russian patent published in 1995 - IPC

FIELD: engineering. SUBSTANCE: device has upper and lower hobbies. A clamp is concentrically installed on the upper hobby. The end of the clamp carries a strain gauge made in the form of the working surface of the clamp. As soon as it is found that rivet is not coaxial to both hobbies, the strain gauge sends a signal to an electronic control device which immediately commands to stop the operation, and vice versa. EFFECT: high efficiency, accuracy and reliability. 3 dwg