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Equipment Cutting Machines Introduction. There have been several different types of cutting machine developed over the years, but "shearers" and "ploughs" have proved to be the most successful, especially the former and will be
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A coal shearer is an electrically driven hydraulic cutting machine also referred to as a power loader, stage loader or shear loader used in the longwall mining of coal.The average coal shearing machine is 15 meters long, weighs in excess of 90 tons and can travel up to speeds of 10 to 14 meters a minute.