Thread: Belts & pulleys & advice please
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25-04-2012 #1
Hi guys
I would appreciate a bit of help please.
We are trying to source items needed for a profile cutter conversion. (1.5m x 3m).
Similar to the one on this page: http://www.donedeal.co.uk/for-sale/tools/3218065
This is a slow moving machine.
Various factors are pointing us towards using belts and pulleys to drive the two axis.
My first stumbling block is:
Since this beast has a very heavy (but smooth) gantry, I doubt that a direct drive on the pulley would be best suited, so my reasoning is to go for
- at least a 1:3 reduction pulley on the drive (is this enough?)
- source a bigger oz/sq motor for torque at low speed (thinking of 12NM nema 34)
- use as small possible pulley to drive
Second stumbling block:
Looking at availability of pulleys/motors/belts I have realised that I have no experience in how pulleys are mounted on the motor. I know you can drill them out to the desired motor shaft size, but how is it secured properly?
Thanks in advance
Okkie-- if you can't be good, at least be good at it --
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