Device for locating the ideal screwing position of bolts of larg

Details Device for locating the ideal screwing position of bolts of larg Device for locating the ideal screwing position of bolts of larg

1988-05-26

1990-07-24

Gorski, Joseph M.

Metal working

Means to assemble or disassemble

With means to regulate operation by use of templet, tape,...

29240, 29703, 81 5724, 81 574, 81467, B23P 2100

Patent

active

049426605

ABSTRACT:
Device for locating the ideal screwing position of bolts of large dimensions wherein a bolt (10) is lowered under control until it engages in the tapping recess of an orifice (5), the bolt (10) is rotated in the opposite direction to screwing, the point of engagement of the threads (11) of the bolt (10) in the threads of the tapped orifice (5) is detected, screwing is started under control by the rotation of the bolt in the normal direction, successive seizures are detected during the screwing, and after each seizure the ideal screwing position is located by means of a suitable path from the center corresponding to the preceding stop previously recorded, screwing is resumed after each detection of the new ideal screwing center, and the screwing of the bolt (10) is continued at a high speed until the end of screwing is detected.

REFERENCES:
patent: 4266451 (1981-05-01), Boudet et al.
patent: 4295393 (1981-10-01), Adcock
patent: 4675967 (1987-06-01), Okada

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