Abstract and keywords
Abstract (English):
The problems in technological support of external and internal thread are considered. There are presented different methods for external and internal thread formation. Particular attention is paid to the methods of internal thread deformation. There are shown investigation results on external thread electro-machining.

Keywords:
thread, method of processing, quality
References

1. Suslov, A.G. Technology and Tools of Parts Finish-Strengthening with Surface Plastic Deformation: reference book. In 2 Vol. Vol. 2. / under the editorship of A.G. Suslov [et al.]. – M.: Mechanical Engineering, 2014. – 444 pp.

2. Ryzhov, E.V. Thread Rolling / E.V. Ryzhov, O.S. Andreychikov, A.E. Steshkov. – M.: Mechanical Engineering, 1974. – 122 pp.

3. Steshkov, A.E. Prokofiev, A.N. Technological support of threaded joint quality // Science Intensive Technologies in Mechanical Engineering. 2012. – No.9 (15). – pp. 14-15.

4. Prokofiev, A.N. Technological support of quality in external thread on parts made of “SIGRABOND” material / A.N. Prokofiev, A.V. Bulaev, M.A. Zaitsev // Proceedings of the Inter. Scientif.-Tech. Conf. “Quality Increase and Support in Engineering Products of Aerospace Equipment” – Bryansk: BSTU, 2020. – pp. 276-280.

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