Heavy duty deepen case carburized large gearbox with design, manufacturing and exporting by china donly

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Ningbo donly,China is a designer and manufacturer dedicated in large heavy duty carburized hard case gearbox.
These products are widely used in steel, crane, transportation, rubber,electrical power industries and etc.
The gearbox features compact structure, light weight, small volume, high load, low noise and vibration.
The gearbox can achieve test of temperature and vibration automatically.
The gear is manufactured by high-quality alloy steel with carburizing and quenching. The tooth surface hardness is HRC57+4. The gear is modified with serrated form. The class of precision is grade 5-6 (DIN).
The case’s structural style has horizontal and vertical split structure, which is manufactured conveniently and fine appearance.
The gearbox uses forced spray oil lubrication, the lubrication pipelines is distributed in or out of the gearbox, which can lubricate the gear and bearing sufficiently. The oil inlet and the oil discharge mouth are mounted on the gearbox. The pressure switch, the flux monitor and the cut-off valve are mounted near the oil inlet. The pressure switch and flux signal which is switch quantity or analog quantity to primary control system.

http://www.cn-donly.com

Ningbo donly transmission factory is one of the biggest company which dedicated in designing, manufacturing transmission equipments including industrial gear units, mill gear units, large module gear , gear reducer, gear units, gearbox, gear reduction units, gearmotors, geared motors, motors，couplings, bearings, helical gear, worm gear, spiral bevel gear.
The company is a national high –tech enterprise and has been listed in Chinese stocks.
There are above 1000 staff and nearly 100000 square meters manufacturing base in the company.
It has the most advanced machine equipments including CNC forming grinding gear machine made in Germany and machine center made in Japan and heating furnace made in Austria.
Its products have been used in various industries and around the world.