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Home: Linear & Rotary Motion

General discussion for lead screws, rack and pinion, synchronous drive components, belt and pulley drive mechanisms.

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  1. Belt Drive, Pulleys & Timing

    Discussion for belt driven machines, systems, drive components and timing.

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    Forum Statistics:

    • Threads: 42
    • Posts: 428

    Last Post:

  2. Rails, Guideways & Bearings

    General discussion for all types of linear rail/guideway, linear actuators and their bearing blocks.

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    Forum Statistics:

    • Threads: 81
    • Posts: 684

    Last Post:

  3. Rack & Pinion Systems

    General discussion for rack and pinion linear systems.

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    Forum Statistics:

    • Threads: 12
    • Posts: 84

    Last Post:

  4. Lead Screws, Nuts & Supports

    General discussion for Lead Screws and Drive Nuts.

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    Forum Statistics:

    • Threads: 107
    • Posts: 1,032

    Last Post:

  1. Thumbs up Sticky Thread Sticky: Axis Directions

    Started by ptjw7uk, 06-09-2009
    axis, directions, xyz 2 Attachment(s)
    • Replies: 9
    • Views: 50,237
    A_Camera
    18-02-2022 Go to last post

  1. Poll Poll: Belt drive vs direct coupling pro's and cons, Poll

    Started by Desertboy, 28-08-2017
    1 Attachment(s)
    • Replies: 10
    • Views: 38,840
    Clive S
    28-02-2021 Go to last post

  2. Question Trying to identify component

    Started by Busa Grip, 18-01-2021
    3 Attachment(s)
    • Replies: 2
    • Views: 7,120
    Busa Grip
    19-01-2021 Go to last post

  3. 90:1 vs 180:1 gear ratio

    Started by mbridge87, 06-01-2021
    gearboxes, gears
    • Replies: 7
    • Views: 12,001
    mbridge87
    06-01-2021 Go to last post

  4. Gear reducing kit recommendation

    Started by Ale, 28-11-2020
    3 Attachment(s)
    • Replies: 16
    • Views: 20,825
    JAZZCNC
    27-12-2020 Go to last post

  5. Looking for an economical XY (well and Z) solution that is not for the normal use

    Started by SparkyLabs, 19-12-2020
    • Replies: 27
    • Views: 49,151
    hanermo2
    23-12-2020 Go to last post

  6. Ballscrew source.

    Started by JJLYNN, 31-08-2020
    ballscrew
    • Replies: 2
    • Views: 7,622
    JJLYNN
    31-08-2020 Go to last post

  7. Low cost closed loop steppers from Alibaba

    Started by gswdh, 05-08-2020
    • Replies: 1
    • Views: 9,211
    JAZZCNC
    05-08-2020 Go to last post

  8. Soft limit setting trouble shooting

    Started by chillybo, 16-06-2020
    1 Attachment(s)
    • Replies: 0
    • Views: 4,100
    chillybo
    16-06-2020 Go to last post

  9. Nema 34 stepper shaft

    Started by Fozz84, 25-05-2020
    1 Attachment(s)
    • Replies: 6
    • Views: 10,171
    JAZZCNC
    28-05-2020 Go to last post

  10. 4th axis brake enquiry

    Started by marbles, 27-04-2020
    6 Attachment(s)
    • Replies: 17
    • Views: 17,650
    marbles
    12-05-2020 Go to last post

  11. Replace bearings in BK12 & BF12 fittings

    Started by Desertboy, 24-03-2020
    • Replies: 8
    • Views: 8,962
    Desertboy
    31-03-2020 Go to last post

  12. Looking for models

    Started by Fozz84, 27-03-2020
    • Replies: 1
    • Views: 3,330
    Doddy
    27-03-2020 Go to last post

  13. Wiring an 8 wire Nema to 4 core CY cable to an AM882

    Started by Desertboy, 22-02-2020
    1 Attachment(s)
    • Replies: 19
    • Views: 19,343
    Desertboy
    27-02-2020 Go to last post

  14. theoretical speed

    Started by johngoodrich, 22-11-2019
    • Replies: 1
    • Views: 8,611
    AndyUK
    23-11-2019 Go to last post

  15. Chinese Harmonic 4th axis

    Started by Leadhead, 09-06-2017
    • Replies: 16
    • Views: 31,827
    Rey8801
    17-09-2019 Go to last post

  16. SBR20LUU seal interference

    Started by threedee, 19-07-2019
    1 Attachment(s)
    • Replies: 6
    • Views: 14,060
    threedee
    01-08-2019 Go to last post

  17. Repacking nut... numbering on diverters?

    Started by Doddy, 03-05-2019
    1 Attachment(s)
    • Replies: 5
    • Views: 13,729
    Doddy
    04-05-2019 Go to last post

  18. Cutting ballscrews to length the easy way?

    Started by V8kid, 24-12-2018
    • Replies: 10
    • Views: 20,667
    Doddy
    21-04-2019 Go to last post

  19. Simple Rack and Pinion Zero Backlash (no springs)

    Started by deemoss, 14-04-2019
    3 Attachment(s)
    • Replies: 8
    • Views: 33,711
    m_c
    20-04-2019 Go to last post

  20. Another Marvel of Chinese manufacturing

    Started by Fancy, 13-01-2019
    1 Attachment(s)
    • Replies: 12
    • Views: 20,497
    Clive S
    16-01-2019 Go to last post
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