screw Jack

Product Description

For easy installation, Every type worm gear screw jack can be directly connected with electric motors by motor flange. Motor mounts allow direct coupling of the motor shaft with either the right or left side jack shaft. All mounts come with necessary hardware and coupling keys. All standard electric motors are 3 phase, **0VAC, *0 Hz, ***0 rpm. Special motor electricity systems like **0~**0VAC, *0/*0Hz, Single/Three Phases or *4VDC, we can make them follow clients' order.

About motor drive power, please check the worm gear screw jack specification table. Operating horsepower does not less than the datas on the specification table. The lifting speed depends on the use of screw jack, the control of motor speed is necessary. Electric motor drive revolutions are not exceed ***0 RPM.

Lifting Speed Formulas:
V=R1*P/R2
V=R1*T
V :lifting speed
R1: RPM
P :screw pitch
R2:gear ratio
T :travel stroke per revolution
Example, 4 poles(***0 rpm) electric motor,jacks model RN*0.5T*1/5(1 turn 1 mm travel),screw pitch 5 mm.
V=***0*5/5=***0 mm/min
V=***0*1 mm travels per turn=***0 mm/min

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