JB/T 7645.2-2008Guide units of stamping dies - Part 2: Small guide pillars - Type B (English PDF)

1 Foreword

JB/T 7645.2-2008 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 1 February 2008 and has been in force since 1 July 2008.

It replaces the earlier edition JB/T 7645.2-1994.

It is one of 15 parts of the JB/T 7645 series.

2 Scope

Part 2 of the Chinese standard on guide units for stamping dies is JB/T 7645.2-2008, a recommended machinery industry standard for type B small guide pillars. The text specifies the sizes of the type B small guide pillar of a stamping die guide unit, together with its marking and designation. Its declared field of application is the small guide pillars fitted in stamping dies. It quotes JB/T 7653. Classified J46 in the Chinese system and 25.120.30 in the international one, the standard was issued by the Ministry of Industry and Information Technology and replaces the earlier edition JB/T 7645.2-1994 of the same part.

3 Normative references

JB/T 7645.2-2008 cites the following standards, which apply in full or in part through the references made to them in its clauses.

JB/T 7653

4 About this standard

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

English translation: about 15 pages

5 Related standards

Other parts of this standard:

JB/T 7645.1-1994 — Guiding devices for stamping dies - Type A small guide pillars

JB/T 7645.1-2008 — Part 1: Small guide pillars - Type A

JB/T 7645.3-1994 — Guiding devices for stamping dies - Small guide bushings

JB/T 7645.3-2008 — Part 3: Small guide bushes

JB/T 7645.4-1994 — Guiding devices for stamping dies - Plate-clamped guide pillars

JB/T 7645.4-2008 — Part 4: Plate-clamped guide pillars

JB/T 7645.5-1994 — Guiding devices for stamping dies - Plate-clamped guide bushings

JB/T 7645.5-2008 — Part 5: Plate-clamped guide bushes

JB/T 7645.6-1994 — Guiding devices for stamping dies - Clamping plates

JB/T 7645.6-2008 — Part 6: Clamping plates

JB/T 7645.7-1994 — Guiding devices for stamping dies - Guide pillar holders

JB/T 7645.7-2008 — Part 7: Guide pillar holders

JB/T 7645.8-1994 — Guiding devices for stamping dies - Guide bushing holders

JB/T 7645.8-2008 — Part 8: Guide bush holders

Other editions:

JB/T 7645.2-1994 (earlier edition)

6 Classification and status

International classification (ICS): 25.120.30

Chinese Standard Classification (CCS): J 46

Prefix JB/T: recommended standard.