Horizontal Two-Stage Cylindrical Gearbox GD for Efficient Power Transmission

General purpose horizontal two-stage helical gearboxes. Type GD are used in drives of various machines and mechanisms to change the torque and speed. Conditions of application: operation for long periods of up to 24 hours per day or with periodic stops; operation in continuous and repeated-short-term modes, i.e.

under alternating loads with periodic stops; single direction and reversible loads; shaft rotation in any direction; non-aggressive environment, atmosphere of types I and II according to GOST 15150 with air dustiness not more than 10 mg/m3; climatic versions - ?1, ?2, ??, ???-4, ?1, ?2, ?? and ?4 according to GOST 15150-69. Assembly variants Designation GD-III-31.36-21(A)-U1, where GD-III - gearbox standard size, 31.36 - gear ratio, 21 (A) - assembly variant (21 - new designation, A - old designation), U1 - climatic execution and placement category.