الوصف

About structure features high-quality aluminumalloy, light in weight and non-rusting 2.large in output torque 3.smooth in running and low in noise, can work long time in dreadful conditions 4.High in radiating efficiency looking in appearance, durable in service life and small in volume 6.suitable for omnibearing installation About main material 1.Housing:die-cast aluminum alloy 2.worm:*0 CrMnTI, carbonize heat treatment make the hardness of gear surface up to ****2 HRC, retain carburization layer's thickness between 0.3 and 0.*4 mm after precise grinding 3.worm wheel:wearable stannum bronze alloy About surface painting Aluminum alloy housing 1.shot blasting and special antiseptic treatment on the aluminum alloy surface 2.after phosphating, paint with RAL***0 blue or silvery shite paint Cast iron housing first paint with red antirustpaint , then paint with RAL***0 or silvery shite paint