CMD is a specialist in the manufacture of impellersand girth gears of large dimensions. Their expertise in this field enables them to be among the leading companies in the world. As suppliers and assembly contractors they are present with such products in the cement industriy and other branches of heavy industry. Rotary kilns and horizontal mixers are just one of the references where CMD emerges with its production and experiences. A team of experts from CMD can perform a complete analysis of individual girth gear installation locations, up to modeling with the modern graphic programs showing voltage loads in individual fields. Their calculation and fabrication methods are based on the world-famous AGMA, DIN and ISO standards.
To illustrate, let us mention some dimensional limitations for impellers and girth gears:
machining: up to diameter of 13m
heat treatment: up to diameter of 10m
cutting: up to diameter of 11m or up to module size 50mm