Gear reduction units gearbox gearmotors manufactuer

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, gearmotors, motors and couplings.
Our 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 our company.
We have 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.
Our products have been used in various industries and around the world.



DLR

The R/F/S/K series gearmotors are the same mounting dimensions as SEW and FLENDER.
There are high precision and high strength.
Gear precision are above grade 6 (DIN), ground by profile grinding machine
Power range :0.12-160kW
Output speed: 0.06-900;
Ratio:2-25000
With various motors (like roller table motors , inverter motors, metallurgy and crane motors)
With brake or encoder

DLHB

The H/B series gear units are the same mounting dimensions as FLENDER(SIEMENS).
There are high precision and high strength.
Gear precision are above grade 6 (DIN), ground by profile grinding machine
Power range :3-5000kW
Ratio:1.25-400

DLP

The P series gear units are the same mounting dimensions as FLENDER(SIEMENS).
There are high precision and high strength.
Four planetary structures
Gear precision is above grade 6 (DIN), ground by profile grinding machine
Power range : 2-10000kW
Ratio:1.25-500
Rating torque: 2000-2550000Nm







Motors
YP series speed adjusted by inverter motors (0-100Hz);
YZ series ac motors for metallurgy and crane (duty S3 -S5 Insulation F or H )
YZP series ac motors driven by inverter for metallurgy and crane (duty S3 -S5 Insulation F or H, 0-100Hz )
YG series ac motors for roller table in steel and iron industry(Insulation H)
YGP series ac motors for roller table driven by inverter
Can with brake and encoder and PTC components


Large gear units for special use
Can design and manufacture gear units according to your requirement.
Large gear units including gear units for mill in steel and iron industry,
Planetary gear units for vertically grinding machine in cement industry,
Planetary gear units for sinking pump in water treatment,
Flying shear in steel and iron industry,
Gear units for hanging equipment of oxygen converter
Gear units in sugar industry and so on.


Large module gear parts
Max. module :50mm;
Max diameter:4000mm
Caburizing by AICHELIN furnace from Austria,
Ground by profile gear grinding machine from Germany.
Gear precision: grade 3-6 (DIN)
Gear profile: Gleason an KLINGELNBERG