[SS2S-Main] Re: Machining graphite
- From: "Hayk Azatyan" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "hayk_azatyan@xxxxxxxxx" for DMARC)
- To: "sugarshot@xxxxxxxxxxxxx" <sugarshot@xxxxxxxxxxxxx>
- Date: Tue, 13 May 2014 00:48:16 -0700 (PDT)
Thank you Mark and Cliff! I will hold on to this list.
On Monday, May 12, 2014 10:28 PM, Cliff Bates <cliff@xxxxxxxxxxxxxx> wrote:
I'd add one more Mark. Run
the vacuum cleaner motor off the can for a few minutes when done
machining. The humidity and mist in the can plays hell with the motor
windings, bearings, and brushes. This simple airing gets rid of that
moisture.
A good list Mark.
Cliff
----- Original Message -----
>From: Redacted sender "monsieurboo@xxxxxxx" for DMARC
>To: sugarshot@xxxxxxxxxxxxx
>Sent: Monday, May 12, 2014 1:52 PM
>Subject: [SS2S-Main] Re: Machining graphite
>
>Here's a summary of the suggestions I got back from my off-list inquiry about
>graphite machining:
>
>
>
>-- Cover the lathe rails and bed. Mount a thin shop vac extension head as
>close as possible to where the bit is throwing the cutoff, such that the tip
>of the vac head is following the bit. Add general forced ventilation around
>the lathe and into open air to keep the dust level low.
>-- Build a water trap. Run the vacuum source (small water-capable shop vac)
>into a 5-gal bucket w/ lid and fitting for hose which draws above the water
>line.
>Fill bucket half-full of water and a few drops of liquid soap. Run the
>working
>hose into the bucket but extend the fitting attached to lid BELOW the water
>line
>close to the bottom of the bucket. The graphite dust collects nicely this way
>w/o much of a mess. But, expect it to be noisy.
>-- Machining tip: Slower revs and deeper cuts will place more stress on the
>material (which can be flakey at the best of times), but produces larger chips
>that aren’t as dirty as the finer stuff.
>-- Also suggested: “squirt motor oil on it once per pass,and clean any
>residue
>afterward using isopropanol.”
>
>HTH!
>Mark L.
>
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