1 Scope
This standard specifies the product name, code, shape, specification, labeling example, technical requirements, test methods, acceptance rules and marking and packaging for triangle polycrystalline diamond for drilling tools.
This standard is applicable to the triangle polycrystalline diamond for drilling tools such as petroleum, metallurgical and coalfield geological drill bits.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 2828.1-2003 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859.1:1999, IDT)
JB/T 3235-1999 Determination method of wear resistance ratio of artificial diamond sintered body
3 Name and code
3.1 Product name
Triangle polycrystalline diamond for drilling tools.
Foreword I
1 Scope
2 Normative references
3 Name and code
4 Shape and specification
5 Labeling
6 Technical requirements
7 Test methods
8 Inspection rules
9 Marking and packaging
Annex A (Normative) Determination method for the impact toughness of triangle polycrystalline diamond for drilling tools
A.1 Equipment and instrument
A.2 Test method
A.3 Calculation
A.4 Result judgment
