FIELD: machine building.
SUBSTANCE: threaded connection is made at initial zero contact in last 2 pair of turns (relative to support end of nut). The rest turns of the nut are made at successively increasing dimension of gaps (in the direction to the support end). Connection is made at successively increasing force of tightening. Turns are successively "engaged" and load onto "engaged" turn rises from zero and is levelled starting from the first one on all turns, (except pair of turns, the last from the support end) in accordance with a preliminary specified parametre of gap increment and value of tightening force increment.
EFFECT: uniform distribution of load on turns of thread.
1 dwg
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