Efficiency is an important parameter of reducer ,and lies on the design and friction of the worm and worm wheels drive units.
The mesh data table on page 9 shows dynamic efficiency (n1=1400) and static efficiency values.
Remember that these values are only achieved after the unit has been run in.
Dynamic irreversibility is achieved when the output shaft stops instantly when drive is no longer transmitted
through the worm shaft. This condition requires a dynamic efficiency of ηd < 0.4
Static irreversibility is achieved when with the gear reducer at a standstill, the application of load to the output shaft can’t drive the worm shaft. This condition requires a static efficiency of ηs < 0.5
low dynamic reversibility
good dynamic irreversibility
low static reversibility
The table shows approximate irreversibility classes. Vibrations and shocks can affect a gear reducer’s irreversibility.
For the irreversibility conditions of a combined geared units, we must consider that the efficiency of the group is given by the product of the efficiencies of each reducer,
I.e ηd = ηd1xηd2.
UDL speed variators| Worm reducers |CycloIdal gear reducers Gearbox for
Agricultural Machinery Planetary gearboxes Helical Geared motors spiral bevel
geared motors DC small size geared motors GEARBOXES FOR TRACTORS & AUTO Special
Reducers & gearboxes Worm Gearboxes for Irrigation system