JB/T 4366.1-2011Floor-type milling and boring machines - Spindle noses - Part 1: Dimensions of boring spindle ends (English PDF)

1 Foreword

JB/T 4366.1-2011 was issued by MIIT on 18 May 2011 and has been in force since 1 August 2011.

It replaces the earlier edition JB/T 4366.1-1999.

It is one of 5 parts of the JB/T 4366 series.

2 Scope

This standard is the recommended Chinese machinery industry standard dealing with the boring spindle end among the spindle nose parts for floor-type milling and boring machines. Its content is the set of boring shaft end types and the dimensions belonging to each of them. Floor-type milling and boring machines with a boring shaft diameter from 130 mm to 320 mm are the ones it applies to. Among the standards it quotes are GB/T 70.1-2008 and GB/T 3837-2001. J54 is the Chinese classification entered for it and 25.080.20 the international one. The document stands in place of the earlier edition JB/T 4366.1-1999, and it is filed in the mechanical and machinery industry group of Chinese industry standards.

3 Normative references

JB/T 4366.1-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 70.1-2008 — Hot rolled low carbon steel wire rods

GB/T 3837-2001 — 7/24 tapers for tool shanks for manual changing

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Related standards

Other parts of this standard:

JB/T 4366.2-1999 — Dimensions of milling spindle noses

JB/T 4366.2-2011 — Part 2: Dimensions of milling spindle ends

JB/T 4366.3-1999 — Dimensions of spindle face keys

JB/T 4366.3-2011 — Part 3: Dimensions of face keys

Other editions:

JB/T 4366.1-1999 (earlier edition)

6 Classification and status

International classification (ICS): 25.080.20

Prefix JB/T: recommended standard.