MT/T 321-2004 in English

1 Scope
This standard specifies the terms and definitions, classification and type naming, requirements, test methods, inspection rules, marking, packaging and transportation for the helical drum for shearers.
This standard is applicable to the helical drum for shearers used for the underground mining of coal mine (hereinafter referred to as "drum").
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.