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SERVICE FACTOR [ fs ]

The service factor (fs ) depends on the operating conditions the gearbox is subjected to the parameters that need to be taken into consideration to select the most adequate servies factor correctly comprise:
1. type of load of the operated machine : A - B - C
2. length of daily operating time: hours/day(△)
3. start-up frequency: starts/hour (*)
TYPE OF LOAD: A - uniform, fa≤0.3
B - moderate shocks, fa≤3
C - heavy shocks, fa≤10

fa=Je/Jm
--J e(kgm2) moment of the external inertia reduced at the drive shaft
--J m(kgm2) moment of inertia of motor
--If fa>10 please contact our Technical Service

A -Screw feeders for light materials, fans, assembly lines, conveyor belts for light materials, small mixers, lifts, cleaning machines, fillers, control machines

B -Winding devices, woodworking machine feeders, goods lifts, balancers,threading machines, medium mixers, conveyor belts for heavy materials,winches, sliding doors, fertilizer scrapers, packing machines, concrete mixers, crane mechanisms, milling cutters, folding machines, gear pumps.

C-Mixers for heavy materials, shears, presses, centrifuges, rotating supports, winches and lifts for heavy materials, grinding lathes, stone mills, bucket elevators, drilling machines, hammer mills, cam presses, folding machines, turntables, tumbling barrels, vibrators, shredders.

DESIGNATION

JDLB output Position

Third pages

Fifth pages

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Ever - Power Transmission Group

PRODUCT