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  1. #1
    An other dummy question, but those are the sort of things I get stuck on :)

    Does belt length matter if I only go from 10 t in mesh to 11 t in mesh?

    Thanks

  2. #2
    Quote Originally Posted by HipoPapi View Post
    An other dummy question, but those are the sort of things I get stuck on :)

    Does belt length matter if I only go from 10 t in mesh to 11 t in mesh?

    Thanks
    All belt tech data is for 6 teeth in mesh.

    Matter how? If you mean is 10 t in mesh enough - yes it is. HTD 5m 15mm belt is right in the middle for what we use it so even 6t in mesh is ok.

  3. #3
    Quote Originally Posted by silyavski View Post
    All belt tech data is for 6 teeth in mesh.

    Matter how? If you mean is 10 t in mesh enough - yes it is. HTD 5m 15mm belt is right in the middle for what we use it so even 6t in mesh is ok.
    Sorry I did not make it clear.
    I have got to the Y axes mount and I would have to use a longer belt. Larger center distance. Is that a problem in any way? Like I said I go from 10 t in mash to 11 t in mash.

    I am using 25 mm 5 pitch belts.

    Thanks

  4. #4
    How many teeth you calculate the belt to be long?

    I have asked that same question before and seems there is no problem.

    But personally i would try all belts to be as short as possible. Actually on the machine i am building now i had to use 1200mm belt at one place /z/ and i worked on and changed the design until my longest belt is 305 mm. Again, its absolutely personal, but i wouldn't use something longer than 350mm.

  5. #5
    Quote Originally Posted by silyavski View Post
    How many teeth you calculate the belt to be long?

    I have asked that same question before and seems there is no problem.

    But personally i would try all belts to be as short as possible. Actually on the machine i am building now i had to use 1200mm belt at one place /z/ and i worked on and changed the design until my longest belt is 305 mm. Again, its absolutely personal, but i wouldn't use something longer than 350mm.
    Thanks Boyan,

    On the X as pictured above at the moment is set for 385 long belts. On the Y I will have to use a 665 long one otherwise I would need to move the servo and belt assembly into a place I dont like as I want to be able to keep my eyes on it and most importantly protect it from the snow.

    Thanks for the advice now I know the longer belt isn't a big problem :)

    Vass

  6. #6
    Quote Originally Posted by HipoPapi View Post
    Thanks Boyan,

    On the Y I will have to use a 665 long one otherwise I would need to move the servo and belt assembly into a place I dont like as I want to be able to keep my eyes on it and most importantly protect it from the snow.
    Where is that place? Did you fit it into the gantry between the beams or at the back in the middle of one of the gantry sides? cause that is where i would fit it.

  7. #7
    Quote Originally Posted by silyavski View Post
    Where is that place? Did you fit it into the gantry between the beams or at the back in the middle of one of the gantry sides? cause that is where i would fit it.
    Sorry for the late reply. I had a serious hiccup with my computer but finally is up and running again. Also I have decided to wait with the laser cut until the linear motion components arrive as I would like to double check some of the measurements.

    Yes I had to mount it on the side of the gantry as otherwise the Z axes would hit the pulley as my Z axes travels from outer gantry side plate to outer side plate.
    At the moment I have all the axes designed so they can be geared 3:1 or 2:1 will decide on that later all I had to see at the moment is that in either case the belts wont be hitting any of the mounting screws.
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