manual screw jack - [ Sell Product ]

Place of Origin : Dongguan,China
Post Date : 08-09-2011
Expiry Date : 31-10-2013

Trade Description

A Hand Wheel Is A Convenient Solution For Manual Operated A Screw Jack Or Screw Jack Systems. When Using Screw Jacks In Intermittent Positioning Applications. Hand Wheels Are Available In A Range Of Diameters From 5 To 12 Inches And Customized Follow Clients' Need.

Hand Wheels Do Not Include A Brake. Hand Wheels Are Not Recommended For Use With Ball Screw Jacks. When Using Hand Wheel With A Screw Jack That Can Backdrive An Additional Locking Mechanism May Be Required To Prevent "creep".

For Precise Position Display, A Range Of Digital Counters Are Available For Use With Screw Jacks. These Digital Counters Measure The Rotation Of The Input Shaft And Display Corresponding Position In A Counter Window. The Display Value Per Input Shaft Revolution Is Variable And Is Achieved Through A Series Of Gear Reductions Configured To Accommodate Different Jack Ratios, Lifting Screw Pitch And Travel Distances.

Fast Speed: 1 Turn 1 Mm
MID Speed: 1 Turn 0.5 Mm
Low Speed: 1 Turn 0.25 Mm

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