Products/Services for Double Nut Acme Lead Screws

    Lead Screws and ACME Screws - (61 companies)
    Description. Lead screws and ACME screws are used to drive a nut in linear motion via direct contact between the screw and the nut. Lead screws usually incorporate proprietary screw and nut geometries and materials, and can be configured...
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  • Ball Screws-Image
    Ball Screws - (236 companies)
    ...have a predictable service life and low wear rate. ACME screws and other lead screws transmit torque into linear motion through direct sliding friction. A lead screw device is very similar to a regular nut and bolt combination. Typically, the assembly...
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  • Linear Actuators-Image
    Linear Actuators - (735 companies)
    Electric linear actuators have an output rod that provides linear motion via a motor driven ball screw, lead screw or ACME screw assembly. The actuator's load is attached to the end of a screw or rod and is often unsupported. Linear actuators...
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  • Nuts-Image
    Nuts - (1325 companies) screw-in and hammer-in varieties. Image credit: Portland Bolt. Jam nuts are thin hex nuts that are run tight against a non-locking nut, preventing nut loosening. Image credit: Zeckhausen Racing. Jet nuts are flanged hex nuts with an elliptical offset...
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  • Taps-Image
    Taps - (422 companies)
    Taps are used to form or cut female threads on the inside of holes. Description. Taps are used to cut female threads on the inside of holes, a process called tapping. Similar in appearance to a screw, taps have threads that are used to cut...
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    Screws - (1334 companies)
    The external threads on the screw can either mate with an internally threaded nut or hole, or cut its way into a soft material. Screws are inserted via torque applied--in a clockwise manner--to the head with a screw drive. Find Screws by Specification or See...
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    Conical and Telescopic Screw Covers - (12 companies)
    Conical and telescopic screw covers are used to protect ball, acme and lead screws from contaminants. Conical screw covers and telescopic screw covers are used to protect ball, acme, and lead screws from contaminants. Ball, acme, and lead screws...
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    Roller Screws - (24 companies)
    ...which moves them axially with the angled threads of the nut and screw. The rollers shift up and down by one lead of thread after an orbit. After a roller completes an orbit, the nut is released into a groove in the nut, which disengages from the nut...
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    Feed Screws and Mixer Screws - (109 companies)
    Feed Screws and mixing Screws are screws or augers placed in bins, silos, extruders, hoppers, or molding machine to provide uniform flow. As the screw turns, process material is mixed and conveyed. Feed screws (feedscrews) and mixer screws...
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    Lead Acid Batteries - (398 companies)
    Lead acid batteries are manufactured with a variety of termination types. Screw terminals consist of a threaded rod and accept an insulated metal nut. Spring terminals are flat metal strips or spiral-wound wire. Solder terminations require...
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Product News

Conduct Research small as 0.375-in. diameter and 0.125-in. lead with 90% efficiency. (Acme screws are typically just 30 to 60% efficient.) Single-nut screws have 170-lb dynamic load capacity and 1,600-lb static load capacity. Load capacities double when using two nuts. The next time you're faced with a design...

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  • Oil hydraulic system
    by small cylinder height possibly. By means of a prestressed nut system ( double nuts "piston / piston rod" and "mounting sleeve / ball direction "), allows to eliminate itself the axial play and to increase the axial stiffness of the ball screw drive so that electrohydraulically controlled … … same time rotating piston guided in the cylinder housing is connected to a screw (spindle) (member with …
  • Hybrid Linear Actuators - Nasa Tech Briefs :: NASA Tech Briefs
    Haydon Switch & Instrument Inc.’s 35000 series double stack hybrid linear actuators measure 1.4 square … A proprietary manufacturing process incorporates engineering thermoplastics in the rotor drive nut and a stainless steel acme lead screw engineered to ensure reliability and performance.
  • Which Screw? Picking the Right Technology
    Having two nuts on a single ball screw will not double the force capability of the system. • The ball nut can easily be back-driven depending upon lead • Higher initial cost compared to an acme screw • Often generates more noise than an acme screw .
  • Oil hydraulic system
    … the maximum pivoting angles up to a full rotation possible in particular execution at small cylinder height . By means of a prestressed nut system ( double nuts "piston / piston rod" and "mounting sleeve / ball direction "), allows to eliminate itself the axial play and to increase the axial stiffness of the ball screw drive (DIN 69051 part 6 … … same time rotating piston guided in the cylinder housing is connected to a screw (spindle) (member with …
  • Machinery's Handbook Guide - Companion to Machinery's Handbook 29
    10) A thread tool is to be ground for cutting an Acme thread hav- ing 4 threads … … shop and toolroom methods of check- ing the pitch diameters of American Standard screw threads requir- ing … 13) What is the difference between the pitch and the lead (a) of a double thread? 16) Are most nuts made to the United States Standard dimen- sions?
  • Code of construction practice production technique
    Image 13-10 PolyAxial leveling platform 1 guide rail; 2 attachment lever; 3 deflecting lever; 4 attachment … Image 13-11 bicycle-click pedal 1 clamping screw ; 2 Movable clamp; 3 instep leg spring; 4 … Image 13-12 Adjustable elevation angle 1 round material receiving; 2 clamping bakings; 3 angular carriers; 4 … Image 13-14 Mechanical castors attachment eye with eye 1; 2 adjusting nut ; 3 setting thread; 4 castor; 5 double -T carriers; 6 supporting strip .
  • Roloff / Matek machine elements
    Sealing for longitudinal movement with locking liquid 715 sealing selections properties 699 differential method of construction 217, criteria 699 sealing characteristic value 702 sealing screw 232 sealing materials, difference thread 247 … … direct storage 539 dispersion adhesive 104 double -T shock 138 double … … 631 centrifugal clutch 475, 477 centrifugal force voltage 634 centrifugal train 664 wing nut 237 liquid friction … … freewheeling clutch 478 fremdbetätigte clutch 464 feeding-load capacity 777 muzzles 776 foot height 825 foot cone … Joint soldering 113 joint preparation 141 direction , axial 367 direction of the chain 653 guiding thread 281 …
  • Marks’ Standard Handbook for Mechanical Engineers, Eleventh Edition > MACHINE ELEMENTS
    A ball screw is an improvement over an Acme screw , and it generally consists of a set of bearing balls within the ball nut thread and a ball screw shaft. Pitch is equal to the lead in a single-start screw and is equal to one-half of the lead in double -start screw.