Duplication of fine screw threads by electroforming

Raman, K. ; Rajagopalan, S. R. ; Siddiqi, M. I. A. (1964) Duplication of fine screw threads by electroforming Journal of Scientific Instruments, 41 (5). pp. 340-341. ISSN 0950-7671

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Official URL: http://iopscience.iop.org/0950-7671/41/5/437

Related URL: http://dx.doi.org/10.1088/0950-7671/41/5/437


Screws having more than 100 threads per inch are employed to provide fine movements in such devices as the specimen scanner of an electron microscope. A nut for such a screw often gets worn out. Preparation of the nut requires special taps. An electroforming procedure for the preparation of nuts for fine screws is described.

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