Unimec Mechanical Screw Jack Aleph Techno Polymere

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Casings for the Aleph Techno Polymere screw jack are made of two identical polymer half-shells. The two halves are connected by means of screws and nuts.

Even for the Aleph series worm screws are made of a special steel 16NiCr4 (according to the UNI EN 10084:2000 requirements). They undergo thermal treatments like case-hardening and carburizing
before being thoroughly ground on both the threads and the tangs. Worm screws are available in three different reduction ratios: 1/5, 1/10, /30.

The worm wheels and support nuts (lead nuts) are COMPLETELY made of polymer. This is very important because, obtaining the trapezoidal threading by moulding, it is possible to keep the fibers integrity, ensuring better mechanical features. The trapezoidal threading geometry meets the requirements of the ISO 2901:1993 norm. The only machining is carried out for the worm wheel toothing; in this way it is possible to supply the three different ratios highlighted in the previous paragraph.

The 20×4 and 30×6 threaded spindles reflect the same characteristics listed in the respective paragraphs for the trapezoidal screw jack chapter. They are mainly manufactured by rolling carbon steel C 45 grounded bars (according to the UNI EN 10083-2:1998). The trapezoidal threading geometry meets the requirements of the ISO 2901:1993 norm. Threaded spindles made of AISI 316 stainless steel or other materials can be manufactured upon request.

New market demands, the growth of light applications and a spirit of innovation and research have pushed UNIMEC to realize a new trapezoidal screw jack series, the Aleph series.

This new line includes two sizes and its peculiarity is that some components are made of a techno-polymer having very high mechanical features. Having a structure quite similar to full metal screw jacks, Aleph series screw jacks have the same load handling functions and they also maintain the same IRREVERSIBILITY features.

The particular moulding system of the gears and the peculiarity of the polyacrylamide material employed, allow it to operate even without lubrication.

Aleph screw jacks can work singularly or in groups connected by means of joints, shafts and bevel gearboxes. At present, a direct motorization with flange is not possible.

Ease of use, high dependability, and low maintenance all make worm gear screw jacks ideal for a wide variety of uses. They can be used to lift, pull, move, or align any load, even if highly unbalanced, with perfect synchronisation offered by no other movement method.

HMA Flow & Industrial are committed to provide the best jacking solutions and support. We stock a comprehensive range of Screw jacks and components in the range from 1000Kg to 10,000Kg, choice of worm ratio, rotating or translating screw plus trapezoidal screw diameters from 20 to 55mm diameter

For more information or a quote please call or email for a direct reply.

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To contact HMA Group about Unimec Mechanical Screw Jack Aleph Techno Polymere use Get a quote.