FIELD: machine engineering.
SUBSTANCE: method for tightening the threaded connection of the base fine pitch threaded part and the connecting coarse pitch threaded part by turning the differential threaded connector in the screwing direction, containing the unidirectional threaded areas corresponding to the threads of the base and the connecting parts. The differential threaded connector is screwed for the predetermined length with the fine pitch thread of the base part. The connecting part is screwed on the coarse pitch thread of the differential threaded connector till the end with the base part, and preliminary tightning is produced in the screwing direction. Then, the differential threaded connector is turned in the unscrewing direction, and full tightening is produced.
EFFECT: increasing the connection rigidity by increasing the tightening force of the connecting parts.
7 cl, 16 dwg, 13 ex
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