Precision gearbox ZLYJ

for single-screw extruder

ZLYJ Single Screw Hard Teeth Surface Gearbox 1 All the gearboxes are designed according to JB/T9050.1-1999 of various technical standard. 2.The gears of material are 20CrMnTi, after carbonize. quenching and gear grinding. reach 6 precision, the hardness reaches HRC54-62,and the low noise. 3.Domestic top-quality ZHJ and DYZV bearings to be adopted, also we can adopt imported brand like SKF . FAG . NSK, which depend on the customer. 4.The case of gearbox adopt HT250 material exclusively and thick design, which guarantee the case stationarity. This design is good for reducing the noise, heat dissipation. lubrication of spare parts and an easy maintenance. 5.The oil seal adopt the Taiwan’ s brand TTO, the gearbox” s high speed and low speed shafts are all use the double ail seals , which can prevent the possibility of oil leaking. 6 The canection of screw barrel : according the standard of GB/T1095-1979 adoptthe 180° double keyway Also can use the square spline GB/T 1144-1987 Any problem of screw barrel's connection can be custamize.