Interesting thread on mechmate, see posts 34 & 35
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Interesting thread on mechmate, see posts 34 & 35
As said in the thread I would be happy to import them and ship them out, I am hoping to get a factory next week and I have the funds to import them, I would only ask for the cost and postage for it + any fees I may get charges (import tax GST ect. all the ???? taxes)
:2tsup:
Onya Chris.
I will take some off you to stick on the shelf for future builds if that helps.
I found 2 suppliers in china already myself with the specs given, if their prices are as good as the ones listed I will look to getting some samples to see the quality.
1 Supplier I have high hopes for and think is the same cncquest was talking about and the 2nd im not so sure about, but its always best to email a few as you dont get a reply sometimes.
I thought the racks supplied to myself from TEA were a reasonable price, would have cost around the same for a Belt system.
Oh, well ill see how it works out, I wouldnt mind getting some from Italy instead, would be higher quality than from china
http://www.mechmate.com/forums/showthread.php?t=930
Is the rack and pinion used instead of a ball screw?
Quote:
Originally Posted by John H
Yup, you pretty much have the option of rack, screw or belt. Lathes use Racks and Pinions in pretty much all the builds I think.
So is there an advantage over rack & pinion v ballscrews?
Ballscrews/leadscres have mechanical limitations on large machines
There is also a chain drive option - not seen much these days but chain drives have been used successfully and reliably on large industrial machines.
Quote:
Originally Posted by echnidna
Ballscrews would be the ultimate option IMO. The best option but where you need a longer machine a R&P I would think is the next best thing with belts not far behind.
I am interested Chris.
I have some $$$ stashed away for the next build.
Willy
Still waiting on a reply from CNCQuest, hes been online but not replied :(
Found a supplier myself but nothing close to what he was quoting.