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Lead Screws and Nuts


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The largest range of lead screw, acme screws and trapezoidal screws in the world. Our precision screws range in size from 1-25mm in diameter with an incredible amount of nut options with varying materials and models. Being able to pull on in-house, dry lubricant technology as well as advanced injection moulding techniques, means that we scan specialise in the supply of unique linear solutions using a variety of machining methods to arrive at a technical solution within budget

We stock up to 3000mm lengths of screw and all associated nuts

Abssac not only supplies high precision lead screws but also a range of medium to heavy duty industrial leadscrews. Continuously stocking up to 3 meter lengths of lead screw diameters of 12mm, 16mm, 20mm, 22mm, 24mm, 30mm, 36mm, 40mm and 50mm in both right and left handed formats. The POWER SCREWS are available in both Steel and Stainless Steel and can be supplied with a large selection of round bodied flanged or non-flanged Bronze matched thread nuts from stock.

The revolutionary high helix multi-start lead screws can offer leads of up to 6 x the diameter of the screw. This multi-start  lead screw product provides high linear nut speeds from low rotational screw speeds.  Aimed at replacing timing belt mechanisms or executing fast and reliable linear motion the efficient conversation of linear to rotary movement makes this unique product usable in many applications. Formed by the cold rolled forming process, the screws are proving to be a superb economical solution for high speed linear applications.

Legacy linear products, that are still available for those applications that have been supplied in the past. ABSSAC is keen to support its customer base and would welcome the chance to review existing designs to ensure  new product enhancements can be utilised.  In many cases a performance can be increased and costs reduced.

HAPPY AS LARRY

With all of our customers, Abssac strives to keep them happy. When it comes to Lead Screws for medium to heavy duty industrial applications, Abssac is the place to come for fast delivery, keen prices and knowledgeable sales staff . All our screws are complimented with a large selection of industry standard Bronze and Steel nut designs.

So if you are a user of leads screws, give us a call to see how we can make you happy....

Lead Screws

Matching leads in right handed and left handed lead screw formats.

Lead screws supplied in both a right handed and left handed thread format can readily be supplied by Abssac limited. A redesigned food packaging machine was originally using the opposing screws to operate a high speed gripper in a machine that hot plastic foil sealed, ready to cook meals for a leading supermarket. Since the machine operated within a food grade environment meant there could be no lubrication with the system, which contributed to the premature failure of the nuts after only 50,000 cycles.  It was also a concern that the existing lead accuracy matching between leadscrews could also be a factor in the excessive wear of the nuts.

By utilizing a PTFE impregnated plastic as the antibacklash nut base material and ensuring matched pitch accuracy of the screws in both the right handed and the left handed screws enabled initial tests cycles up to 56,000 cycles to be completed without any sign of wear to the nuts. Phil Jones of Abssac says” By being able to match the screws pitch accuracy reduces the stresses within the system considerably ensuring a more reliable linear movement”
 

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