Lead screws are more cost-effective than ball screws. Lead screws mate with nuts and have deeper helical threads. The lead screw runs hotter and wears out faster than ball screws because of the increased friction created as the nut travels along the screw. Because of the friction, there is greater wear in the lead screw assembly, requiring replacement more often. Lead screws are self-locking; therefore, a brake mechanism is not necessary. Lead screws work best in applications where linear motion is transmitted vertically, such as in heavy-lifting applications. They are used in the life sciences and laboratories for DNA processing equipment.
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The factors that will most likely determine which one is best for your application are friction, load, accuracy, lead accuracy, and axial force. The following factors should also be considered: wobble, noise, maintenance, accuracy, and longevity. Call us for secondary operations such as finishing the ends to fit a bearing or motor so that it works perfectly with your design. Lead screws are available in 1 to 6 ft lengths, with screw sizes ranging from ¼-20 through 1-10.
Haydon Kerk Motion Solutions offers an extensive range of lead screw sizes and nut types which can develop thrusts up to 500Lbs (N) with positional accuracies to .-in./in. (mm/mm). Select screw and nut combined performance attributes here.
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Kerk Acme lead screws are available in standard diameters from 5/64" (2mm) to 15/16" (23mm), with standard leads from .012" to almost 4" (0.30mm to 92mm) including metric and left hand threads. Custom sizes, lengths and leads can be special ordered. Most stock screws are manufactured from 303 stainless steel and are produced with Haydon Kerk's exclusive precision rolling process. Other materials are available on special order.
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There are many design and environmental details which can impact the operation and life of a lead screw and nut in actual use. This resource section can give insight into criteria which would impact your selection.
Contact us to discuss your requirements of Internal Hex Screw price in Lithuania . Our experienced sales team can help you identify the options that best suit your needs.
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