Products/Services for Self Reversing Ball Screws

  • Ball Screws-Image
    Ball Screws - (234 companies)
    Ball screws convert rotary motion to linear motion, or torque to thrust, and vice versa. They are primarily a power screw with a train of ball bearings riding between the screw and the nut in a recirculating track. The screw has...
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    Manufacturing Process
    Length
  • Screws-Image
    Screws - (1251 companies)
    ...thread. Self-drilling screw tips are self-tapping and do not require predrilling. Types of Screws. Alike to the screw vs. bolt debate, there are often minimal differences between screw types. Denominations tend to describe the use or position...
  • Ball Valves-Image
    Ball Valves - (2028 companies)
    Ball valves are quarter-turn, straight-through valves that have a round closure element with matching rounded seats that permit uniform sealing stress. The valve gets its name from the ball that rotates to open and close the valve. Ball valves...
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    Lead Screws and ACME Screws - (64 companies)
    ...one revolution. Twin leads are useful in opposing dual motion using a single-drive system. This design features both left-hand and right-hand threads. With left-hand threads, the ball nut travels away from the end that is viewed when the screw...
  • Check Valves-Image
    Check Valves - (1883 companies)
    Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. Check valves are self-activating safety valves...
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    Plugs, Stoppers, and Inserts - (327 companies)
    Plugs, stoppers and inserts fit into holes or cavities and are designed for the ends of shafts, tubes, pipes, fittings, connectors, screws, bars, or other shapes. Plugs, stoppers, and inserts fit into holes or cavities and are designed for the ends...
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    Bolts - (1226 companies)
    ...alignment as well as the material's position on the bolt. While used synonymously, screws and bolts are not mechanical clones. A bolt is a type of threaded hardware fastener that is used to position two workpieces in specific relation to each other...
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    Ball Screw Support Bearings - (63 companies)
    Ball screw support bearings are designed for use in ball or lead screw applications. Ball screw support bearings are specially designed for use in ball screw or lead screw applications. Most ball screw support bearings are angular contact bearings...
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    Ball Screw Repair Services - (40 companies)
    ...and nut. Services may include cleaning, regrinding, and machining the threads; ball replacement and seal replacement; product reassembly and re-lubrication; and testing, inspection, and recertification. Some ball screw repair services provide reverse...
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    Ball Bearings - (690 companies)
    ...applications made of phenolic materials (270 F), PTFE (450 F), or polyimide (500 F) are available. Applications. Special applications for bearings include airframe or aircraft control, aerospace, agriculture, automotive, ball screw support, instrument...

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  • Advances in Robot Kinematics: Motion in Man and Machine
    A new actuation scheme using mature components has been proposed and a self contained actuation module has … has a very high torque density of the order of 80 Nm/Kg due to a combination of a state of art torque DC torque motor with a very lightweight speed reducer consisting of a ball screw , a reversing mechanism, a driven pulley…
  • A novel compact and lightweight actuator for wearable robots
    CONCLUSION A new actuation scheme using mature components has been proposed and a self contained actuation module … module has a very high torque density of the order of 80Nm/Kg due to a combination of a state of art torque DC torque motor with a very lightweight speed reducer consisting of a ball screw , a reversing mechanism, a driven pulley…
  • Handbook of Fractional-Horsepower Drives
    …system 509 reset time 380 resistance-start motor 129 resolver 106 resonant frequency 494 resonant ranges 519 resonator 333–337 resonators 333 rest positions 196 reverse recovery time 353 reversing duty 136, 547 rhombic … ripple torque 21 roller screw drive 478 roller-guidance … demands 510 salient-pole motor 151 samarium cobalt magnets (SmCo) 17 sampling controller 380 scanned optoelectronically 272 screw mechanism 451, 477 sealing 504 selection of control electronics 518 self -aligning couplings 485 self … synchronous motor 408 separable ball bearings 503 separatrix 197…
  • Thermo-mechanical self-adaptive ball screw drive using thermal shape memory effect
    For this purpose, no external energy is needed and so the system is self -supported (energy harvesting). .... In this case, the extrinsic two-way shape memory effect occurs and the reversible full cycle of .... Basing on temperature and force measurements on a double nut ball screw , a thermo-mechanical model is developed.
  • Dynamics Analysis on Deployment for the Multi-Deployment & Lock Solar Array
    …glide screw vice, namely the first level glide screw vice is that a driven device leads the screw rod rotation, then realizes the nut to move only; The second level trundle screw vice is that the ball screw is relatively fixed and .... After deployed at position, the motion stops working, then the solar array is locked by stop devices and the first level screw's vice- self - locking function; The motion's reverse realizes unlock and fold.
  • QP Toolbox
    …sizes ranging from 0.75 to 2 in. and can have either a reverse parallel or an … the different body sizes, the actuators also offer a choice of three different screw sizes, ranging from .... The actuators feature a pre-engineered, self -contained guidance and support system of two hardened and ground guide shafts with four linear ball bearings that are internally lubricated.
  • Geometry and its applications in art, nature and technique
    …cutting ellipse, 135 cutting circuit, 123 shock shaft, 432 Schönbrunn, 136, 361 inclined crack, 49, 442 transverse view, 50 screwing axis, 245, 256 screws 247, 71 bolts, 247 nut , screwing surface, 241 screwing … 10, 106, 108, 487 self -similarity, self-penetration, 248 .... Scale factor 318, 325 Snellius 318, 324, 325 Snellius-windows, 434 scale behavior 484 Snell's window, 434 scorpion fish, 325 summer solstice , 384 summer time, 393 sunrise, 293 sunflower … South direction, 386 super-Weitwinkel, 471 super ball , 191 supernova, 430 Supplementärwinkel…
  • Ductile Damage Analysis for Small Punch Specimens of Type 304 Stainless Steel Based on GTN Model
    SP tests were carried out on INSTRON-5869 with a self -developed reverse -impacting device, and Fig. 2 is the schematic diagram of SP test device. .... the upper die and the lower die of the device were clamped together with four clamping screws . .... 5 mm/min was applied to the specimen through a punch and a steel ball 2.4 mm…
  • Mechatronics and Intelligent Materials III
    (2) Then manipulator driven by the vertical screw moves downward and stops when turn plate and the .... (5) The cylinder pressure reverse action, until the spring steel ball steel ball inlaid self -locking locator rod clamping groove; the turnover motor runs to turn the arm 90°; .
  • Emblemata
    …1242: produced S. in the Rustung, 1242 SCHMUTZ becomes the earth ball of the S. of the Siinde covered 44; Impietas schuttet S. uber earth ball 1579 SCHNECKE 616-622: S. before … S. 845; bubbles and S.-Balle 1317 SCHOPFRAD 1429: S … with 6 lzweig, that other arrow meets in S. 1024 SCHUTZE the S. even 1509, 1510 SCHWALBE … lovers into S. 1695; Calibrate, Friichte S. of which eat 224; the elephant addresses of the S…


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Rockford Ball Screw
Rockford Ball Screw