Thread: Ballscrew Thickness!
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16-08-2009 #1Well i was planning on cutting woods and none ferrous metals!
Ive been looking at the 25mmOD ballscrew and im leaning towards that! as for the motors being not power full enough i can gear them to something like a 5:1 or more and get a 20-25 pitch ball screw!
What do you guys think!
If your using belts then you might also want to check the 5:1 ratio, sounds a bit high. the small pulley will not have enough teeth in mesh if the bigger pulley is to large. Ive got a calculator at work so if its any help I'll post it tommorow.
Hope you dont think I'm being negative but I had to make the same decisions for my build. I chose Slow and accurate because Im only using it to build the fast machine :heehee:
Have you concidered rack and pinon? its cheaper and very fast.
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17-08-2009 #2
Ok I've had a rethink, Have you already got your steppers and drivers yet?
If not then the better drivers have micro stepping. if you get the correct size motor then u can direct drive it and use the micro stepping to get the accuracy/ resolution you need.
Give gary a ring. Im sure he will help you and is much better qualified then me. Im just trying to cover all possibilities to help you make the right decision.
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