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Joyce Metric Machine Screw Jacks, series MWJ, are available in four common
sizes 10, 25, 50, and 100kN.
Joyce MWJ screw jacks include industry standard metric lifting screw
diameters and pitches. All mounting hole locations, diameters, and fasteners
are fully metric. These screw jacks are commonly used in OEM machinery
manufactured in the US and shipped to other countries around the world.
Joyce MWJ screw jacks are interchangeable with several of the most common
European brands. (Contact Joyce for compatibility in replacement
applications).
Upright or inverted, these precision screw jacks operate at full capacity
whether the load is in tension or compression. All MWJ screw jacks are
self-locking under full lifting capacity.
Heat treated alloy steel worm shafts, aluminum/bronze worm gears and tapered
roller or ball bearings provide rugged reliability.
Double extended worms shafts are standard. Single extended worm shafts are
available with right or left hand extension or additional length. Joyce MWJ
screw jacks are available in translating screw (shown), rotating screw
(keyed for traveling nut) and keyed designs. All screw jack designs can be
fitted with a protective boot. MWJ screw jacks are available with one of
four standard screw ends or special ends to meet your requirements.
An optional anti-backlash feature compensates for thread wear, assuring
minimum play between the lifting screw and worm gear for smooth, precise
operation. Screw jacks equipped with the anti-backlash feature are rated
for full capacity under static conditions.
Ask Joyce/Dayton to evaluate your application
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