JB/T 11772-2014Machine Tools - Rotating Hydraulic Cylinders (English PDF)

1 Foreword

JB/T 11772-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.

2 Scope

This standard is a recommended Chinese machinery industry standard for the rotating hydraulic cylinders used on machine tools. It specifies the types and parameters of the rotating cylinder, the technical requirements it must satisfy, the test methods used to check them, the inspection it undergoes, and its labelling, packaging and accompanying documents. The application stated for it is the rotating cylinder matched to a power chuck. The document is filed under the Chinese classification J52 and the international classification 25.060.20, with a text estimated at about 16,200 words, and the Ministry of Industry and Information Technology issued it. It quotes GB/T 3141-1994, GB/T 9239.1-2006, GB/T 17421.1-1998, JB/T 3207-2005 and JB/T 9935-2011.

3 Normative references

JB/T 11772-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 3141-1994 — Industrial liquid lubricants. ISO viscosity classification

GB/T 9239.1-2006 — Mechanical vibration -- Balance quality requirements for rotors in a constant (rigid) state -- Part 1: Specification and verification of balance tolerances

GB/T 17421.1-1998

JB/T 3207-2005 — Machine tool accessories - General technical requirements for product packaging

JB/T 9935-2011 — Machine tool accessories - Preparation of accompanying technical documents

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Classification and status

International classification (ICS): 25.060.20

Prefix JB/T: recommended standard.