[time-nuts] Machining some aluminum help!
jimlux at earthlink.net
Mon Aug 7 12:24:21 EDT 2017
On 8/7/17 7:36 AM, Joseph Gwinn wrote:
> On Sat, 29 Jul 2017 22:49:10 -0400, time-nuts-request at febo.com wrote:
>> Message: 2
>> Date: Sat, 29 Jul 2017 20:57:56 -0400
>> From: Scott McGrath <scmcgrath at gmail.com>
>> To: Discussion of precise time and frequency measurement
>> <time-nuts at febo.com>
>> Subject: Re: [time-nuts] Machining some aluminum help!
>> Message-ID: <F4DD2BEC-D51D-43B2-93F3-28A57CD6E8B4 at gmail.com>
>> Content-Type: text/plain; charset=us-ascii
>> Kerosine is a better tap lube for Aluminum as it is more persistent
>> and less flammable
> NO. Kerosene is *not* a good lubricant for _forming_ taps.
> Kerosene (WD-40) and alcohol are good lubricants for _cutting_.
> For _forming_, one needs something very viscous, something that
> lubricates at very high pressures, at the yield strength of the
> material being formed.
Like Molybdenum Disulfide or STP?
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