WD and WS series worm wheel and worm screw reducer are Archimedean worm screw with class 1 drive manufactured according to PRC ptofessional standard (Q/EB 125-73). It is wiedly used in metallurgy,
Mine and hoisting machinery, with application range listed as follows:
Slip speed at worms sorew gearing ≤ 7. 5m/sec
Worm rotation speed ≤ 1500rpm
Service ambient temperature: -40º C~ +40º C
Operable both forward and backward