This standard specifies the types and basic parameters of drum shearers (hereinafter referred to as shearers) used in underground longwall coal mining faces. This standard applies to coal shearers with drums as the working mechanism.
MT/T 84-2007 history
2007MT/T 84-2007 Shearer-Types and basic parameters
1997MT/T 84-1997 Shearer.Types and basic parameters