[modeleng] Re: Releasing taper

Hi Tel

There is an excellent penetrating oil sold over here in a spray can, called 
"Rustola" - no doubt you have your own local equivalent.  I think WD40 is 
designed to "cling" rather than "creep".

Regards
Ron
Oxford UK - surprisingly mild for February

----- Original Message ----- 
From: "TEL" <tel@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Monday, February 19, 2007 10:06 AM
Subject: [modeleng] Re: Releasing taper


> In fact, Jem, the penetrating qualities of WD40 and it's clones is not all
> that good. A recent experience trying to pull a mower drive wheel off it's
> axle pointed this up to me. After soaking the offending axle from both 
> ends
> of the 4" journal overnight, when I did finally get wheel and axle apart I
> found the WD40 had penetrated no more than 5/16" each end.
>
>> Thankyou, Ron, Jeff and John.
>>
>>   A Copper hammer I must obtain !
>>
>>   I use either 3-in-1 or the hydraulic oil I use in lieu of "Nutto" on 
>> the
> ML10, to protect tooling from rust.  The advantage of WD40 in releasing 
> the
> taper is, I suppose, its penetrative quality.
>>
>>   I too use a brass rod for poking out the Jacobs chuck MT2.
>>
>>   Next time I have to release the milling chuck taper, I shall use WD40
> first and let it penetrate for five minutes before tapping.
>>
>>   The use of cigarette papers to prevent slipping I shall bear in mind. 
>> I
> gather that they are also useful for edge finding, which I am about to do,
> but more of that anon when I have had another go at drilling holes
> accurately......
>>
>>   Jem in misty Basildon
>>
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