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  1. #1
    belt on belt/servobelt.

    Does anyone have any direct experience of using this system?

    I am looking to build a machine based on this principle.

    I will have an 8000mm Y axis and a 1600mm X axis gantry.

    The machine will be for fabric cutting so light duty and either a tangential pizza wheel cutter or gantry mounted co2 laser, but either way not heavy loads.
    It will need good rapids- 0.5-1.0 meters per second.

    I am erring towards a tractor belt small loop acting on a glued down base belt rather than 2 full length belts. Seems silly to use twice as much belt as i need.


    thanks for your help!

  2. #2
    Does that mean it acts like rack and pinion? G.

  3. #3
    Yes
    http://bell-everman.com/products/lin...elt-linear-sbl

    that is a link to the commercial version. belt stretch is limited to the amount of belt it takes to mesh with the bottom "rack" and go over the pinion so it should greatly improve a belt system. zero backlash apparently?

    Kind of hoping someone else has done this system and can warn me of the pitfalls ... but if not.. ill do it and report back.

  4. #4
    Ger21's Avatar
    Lives in Detroit, United States. Last Activity: 2 Hours Ago Has been a member for 5-6 years. Has a total post count of 508. Received thanks 68 times, giving thanks to others 0 times. Referred 1 members to the community.
    I built a prototype, but never tried it out. I decided to re-design it to be stronger and handle more power.
    Gerry
    ______________________________________________
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  5. #5
    Quote Originally Posted by Ger21 View Post
    I built a prototype, but never tried it out. I decided to re-design it to be stronger and handle more power.
    I am looking at using a servo-belt at the moment, could you give any pointers as to how you designed this.

    John

  6. #6
    Quote Originally Posted by matthewb View Post

    I am erring towards a tractor belt small loop acting on a glued down base belt rather than 2 full length belts. Seems silly to use twice as much belt as i need.
    If it is a horizontal drive, the full length belt is very good at keeping the base belt clean

    John

  7. #7
    Ger21's Avatar
    Lives in Detroit, United States. Last Activity: 2 Hours Ago Has been a member for 5-6 years. Has a total post count of 508. Received thanks 68 times, giving thanks to others 0 times. Referred 1 members to the community.
    Quote Originally Posted by johnsattuk View Post
    I am looking at using a servo-belt at the moment, could you give any pointers as to how you designed this.

    John
    Here are some pics

    http://www.cnczone.com/forums/linear...tml#post933535

    http://www.cnczone.com/forums/linear...tml#post934595

    http://www.cnczone.com/forums/linear...tml#post969827
    Last edited by Ger21; 17-03-2015 at 12:19 PM.
    Gerry
    ______________________________________________
    UCCNC 2017 Screenset

    Mach3 2010 Screenset

    JointCAM - CAM for Woodworking Joints

  8. The Following 2 Users Say Thank You to Ger21 For This Useful Post:


  9. What belt you would use? T5 or HTD5?

    Have you considered to cast the belt on the frame side from epoxy resin?
    project 1 , 2, Dust Shoe ...

  10. #9
    Would be nice if you could buy steel rack with T5 teeth, perhaps stack some laser cut ones

  11. #10
    Ger21's Avatar
    Lives in Detroit, United States. Last Activity: 2 Hours Ago Has been a member for 5-6 years. Has a total post count of 508. Received thanks 68 times, giving thanks to others 0 times. Referred 1 members to the community.
    HTD5 won't work, it needs to be T5 to mesh with itself.
    Gerry
    ______________________________________________
    UCCNC 2017 Screenset

    Mach3 2010 Screenset

    JointCAM - CAM for Woodworking Joints

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