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Re: [ATM] Cutting thread in aluminium

To: Göran Hosinsky <atm@atmlist.net>
Subject: Re: [ATM] Cutting thread in aluminium
From: Richard <cnc@cncservo.co.uk>
Date: Fri, 4 Mar 2005 19:34:49 +0000
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Reply-To: Richard <cnc@cncservo.co.uk>
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Hi Göran,

Friday, March 4, 2005, 6:07:42 PM, you wrote:

GH> Is there any special trick to cutting threads in aluminium?
GH> I was cutting a M5 thread by hand in a 15 mm thick piece of
GH> aluminium, unknown type, when the tap (tap no 1 in a three
GH> tap set) sized up and broke. I was pouring alcohol over the
GH> cutting.

Cuting fluid is essential. At a push, WD40 or Parrafin/Kerosene
will do. Back the tap off a half turn every turn or so. Or the
easy way - use a Spiral Flute machine tap in a small battery
powered electric drill.

-- 
Best regards,
 Richard                            mailto:cnc@cncservo.co.uk

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References:
- [ATM] Cutting thread in aluminium
  - From: Göran Hosinsky <hosinsky@ya.com>

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