Published November 2010

Improvement of tiredness of the threading parts of boring locks against stability

F. J. Hamidov

G. S. Abdullayev

In the article destruction of threading parts of boring locks without being tired and formation cause of concentration consequences in the last join of whorls have been analyzed. Hitching of the threading part of the join with the last whorl has been reconstructed and its height has been reduced about 70 % in the comparison with standard join. Exploiting condition of lock join demands its stability, longevity, tightness, fast join and etc. Carrying out of cone shaped threading joins of the lock in the form of log is demanded. With the purpose of improvement of its working consequence of join and concentration in the whorls has been reduced vastly in comparison with standard join by carrying out reconstruction.

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