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Author Topic: what is best  (Read 1782 times)

spike

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what is best
« on: June 20, 2016, 05:18:09 PM »

hi got a new mini lathe which plastic is best to use acetal  delrin nylon 6 nylon 6.6 or ptfe any help please
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Hellboy Paul

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Re: what is best
« Reply #1 on: June 20, 2016, 05:50:04 PM »

That depends, what are you making?

Paul.
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nemesis

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Re: what is best
« Reply #2 on: June 20, 2016, 07:51:43 PM »

Any material, but with plastics you must get the speed right or you will get "candy floss" on the tool.
nemesis
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TailUK

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Re: what is best
« Reply #3 on: June 20, 2016, 08:16:26 PM »

If you're making engine, motor or prop tube parts any of those you've mentioned would work. personally I'd favour Delrin.  If you're making anything that would need to be glued or painted use acrylic.
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Crossie

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Re: what is best
« Reply #4 on: June 21, 2016, 06:23:39 AM »


 Spike, if you take a look at www.directplastics.co.uk you'll find a section on engineering plastics, their attributes and uses. It's easy to read and understand.

          Trevor
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Terry

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Re: what is best
« Reply #5 on: June 21, 2016, 09:58:47 AM »

Don't smoke when machining PTFE !!
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Pat Matthews

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Re: what is best
« Reply #6 on: June 22, 2016, 02:42:41 AM »

I use a lot of PVC... both from pipe and fittings, but one can also buy solid bar in various diameters and lengths. Machines quite nicely, and takes paint well too.
In the US, I get it from http://www.mcmaster.com/#standard-pvc-rods/=12ygmn0
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