JB/T 11774.3-2014NC heavy-duty crankshaft whirling lathes - Part 3: Specifications (English PDF)

1 Foreword

JB/T 11774.3-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.

It is one of 3 parts of the JB/T 11774 series.

2 Scope

This standard is the third part of a recommended Chinese machinery industry standard on numerically controlled heavy crankshaft whirling lathes, and it is the part holding the specifications. It states the requirements for the design, the manufacture and the inspection of these lathes. Its field of application is set by the size of the machine, covering lathes with a maximum swing diameter over the bed from 3500 mm to 4600 mm, with a further condition on the mass of the workpiece. The document sits under Chinese classification J53 and ICS 25.040.20. Among the standards it quotes are GB 5226.1-2008, GB/T 6576-2002, GB/T 9061-2006, GB 15760-2004, GB/T 23570-2009 and JB/T 11774.2-2014.

3 Normative references

JB/T 11774.3-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB 5226.1-2008

GB/T 6576-2002 — Machine tool -- Lubrication systems

GB/T 9061-2006

GB 15760-2004

GB/T 16769-2008 — Metal-cutting machine tools -- Measurement method of sound pressure level

GB/T 23570-2009 — Welding parts for metal cutting machines - General specifications

GB/T 23572-2009 — Hydraulic system general specifications for metel-cutting machine tools

GB/T 23575-2009 — Metal cutting machine tools - Check and evaluation for taper surface by miniating

GB/T 25373-2010 — Metal-cutting machine tools - General specifications of assembling

GB/T 25374-2010 — Metal-cutting machine tools - Measuring method of cleanliness

GB/T 25375-2010 — Metal-cutting machine tools - Check and evaluation for combine surface by miniating

GB/T 25376-2010 — Metal-cutting machine tools - General specifications of machining parts

JB/T 11774.2-2014 — NC heavy-duty crankshaft whirling lathes - Part 2: Testing of the accuracy

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Related standards

Other parts of this standard:

JB/T 11774.1-2014 — Part 1: Parameters

JB/T 11774.2-2014 — Part 2: Testing of the accuracy

6 Classification and status

International classification (ICS): 25.040.20

Prefix JB/T: recommended standard.