the double worm gearbox

Model-Mark :NMRV 040/090 - 900 E F1 AZ B5

NMRV           :NMRV means hole input with flange or NRV means shaft input without flange

090               :Distance between the centers of worm and worm gear

900                 :Speed ratio of worm gear speed reducer

E                    :"E" means double extension worm shaft, no mark means single extension worm shaft"

F1                  :"F" means output flange, "FL" means high output flange,no mark means output without flange"

AZ                  : "AZ"means bidirectional output shaft, "GZ"meansunilateral output shaft and no mark means hole output"

B3                  :Installation position code  

The double worm gearbox of Direction of rotation 

Parameter for combination of double NMRV worm gearbox

Outline installation dimensions for combination of double NMRV worm gearboxes

MOUNTING POSITIONS

The worm gearbox position diagram for output flange

The worm gearbox torque arm

The worm gearbox position diagram for one-way output shaft

1) when ordering,please refer to the details of the products and tell us the exact type your need according to your requirements,like input speed,output torque,configuration,installation,etc:the installation position of the products in the order should accord with your actual needs,otherwise, it will result in oil leakage, which will impact the serving life of the products negatively.if there is special requirement to the installation position,please stress it and inform us.

2) to attain the excellent state of the variators, the common working speed should be chosen in the middle position,instead,it ismot appropriate to choose in the positions of min,or max.speed

3)if your requirements of worm gearbox or speed variator are different from shte standard products as in the catalogue,like:some portion that should be customized or mounted with special motors,please inform us in advance