Self reversing screws

The self-reversing screw product does not require the driven screw to change its direction of rotation to enable the nut to return to its original start position. The reciprocated bi-directional movement is achieved by using a follower blade in the nut, that is matched to the particular groove width and screw turn round on the screw. (Our self reversing screws, do not utilise ball bearings in their linear travel).

There is not a standard range of this screw type as all designs are manufactured to meet the customer's individual specification. Typically, the self reversing lead screws take about 5 - 7 weeks to be manufactured.

They can be created in just about any mild steel, stainless steel, bronze or Aluminium. The nut can be supplied in a style and size according to your requirements. (Most small self reverser screws are 3/8" diameter with a nut block 30mx30mmx35mm, however, we go up to approx 250mm diameter with lengths up to many metres).

The best way forward to specify this product is to supply us with the following information in the form below.

We will assist in all the calculations and requests for data. Please submit any additional data you feel would be helpful to us in submitting your quotation. Alternatively, why not call the technical sales department, who will be more than happy to help. In all cases we need a drawing showing overall length of screw, how ends need to be machined and dimensions and features of nut. Please email this to sales@abssac.co.uk

Enquiry Form

Name :		*
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Description of application (Include duty cycle) :
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What is the speed and distance travel of nut?
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What is the desired rpm of screw?
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Orientation :	vertical horizontal	*
Do you require any special materials to be utilised?
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What is the load on the nut?
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What is environment of the application?
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Can the application be lubricated?
yes no		*
Quantity :		*
If the product is being used as a cable guide i.e. for cable laying: we will need the following additional data; a)The distance between inner drum walls/sides. b)The cable length and diameter. c)The number of lays (if known). d)The ratio between number of drum rotations vs. one linear back and forth motion.
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