JB/T 11773.1-2014NC screw rotor milling machines - Part 1: Testing of the accuracy (English PDF)

JB/T 11773.1-2014 is the English-translated version of 数控螺旋转子铣床 第1部分:精度检验.

JB/T 11773.1-2014 is a recommended Chinese machinery industry standard and the first part of the work on numerically controlled screw rotor milling machines, the part devoted to accuracy testing.

It sets the requirements and the test methods for the geometric accuracy of the machine and for the positioning accuracy of its numerically controlled axes. The machines within its reach are those whose maximum milling diameter runs from 20 mm to 1200 mm.

The classification codes recorded for the document are J56 in the Chinese scheme and 25.040.20 in the international scheme. It quotes GB/T 17421.1-1998 and GB/T 17421.2-2000.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

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