Machine screw mechanical actuators
3rd Quarter 2012
Other technologies
Duff-Norton machine screw mechanical actuators are produced in many standard models with capacities from a quarter of a ton to 250 tons and worm gear ratios from 5:1 to 50:1. There is a standard model for almost any requirement.
Operated manually or by means of gear motors, the machine screw actuators can be used singly, in tandem or in multiple arrangements. Since most capacities have a uniform lifting speed, added economy can be realised when raising unevenly distributed loads by operating the different capacities in union.
The models with higher ratios are self-locking and will hold heavy loads in position indefinitely without creep. They can be used as linear actuators as well as to push, pull and apply pressure. They are furnished with standard raises in increments of 2,5 cm. Depending upon size and type of load, models are available with raises up to 7 metres.
Duff-Norton is represented locally by Yale Engineering.
For more information contact Rachelle de Hart, Yale Engineering Products, +27 (0)11 794 2910, [email protected], www.yalejhb.co.za
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