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JB/T 9991-2013Electroplated diamond reamers (English PDF)

电镀金刚石铰刀

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

April 25, 2013

Implementation date

September 1, 2013

Scope

JB/T 9991-2013 is the English-translated version of 电镀金刚石铰刀.

JB/T 9991-2013 is a recommended machinery industry standard of China on electroplated diamond reamers. It sets the type and the size of the tool, together with the technical requirements that the reamer has to meet. The reamers covered are the electroplated diamond reamers used for the precision machining of through holes in cast iron, up to a machining accuracy of grade 4. It replaces JB/T 9991-1999. It quotes GB/T 6409.2. Its Chinese classification is J41 and its international classification 25.100.30.

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Document preview — JB/T 9991-2013

National Standard of the People's Republic of China

ICS: 25.100.30
Replacing: JB/T 9991-1999

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

2 Normative references

2 Normative references

JB/T 9991-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 6409.2

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 6409.2

Editions of JB/T 9991

Edition	Title	Revision	Status
JB/T 9991-2013	Electroplated diamond reamers	current edition	Current
JB/T 9991-1999	Electroplated diamond reamers	previous edition	Superseded

This page sells the current edition, JB/T 9991-2013. Earlier editions are listed for reference only.

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