[modeleng] Re: Press Fits
- From: "Terry Lane" <tel@xxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sun, 13 Nov 2005 06:56:16 +1100
Especially for crank pins, the press fit is preferable.
> The usual rule is 1 thou per inch of diameter.
> That, or even slightly more, shouldnt crack cast iron.
>
> I prefer shrink or press fits to glue, although some of the modern
adhesives
> are excellent.
> Alan
> ----- Original Message -----
> From: <Donkitson1@xxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Saturday, November 12, 2005 4:56 PM
> Subject: [modeleng] Press Fits
>
>
> Hi,
> I was wondering if anyone can give me some idea with regard to press
> fit
> tolerances, I have to press fit a silver steel crank pin in to a cast
iron
> wheel. As far as I can tell the nominal hole size is 0.750 and is already
> in
> existence how much should I allow for a good press fit without running
the
> risk of cracking the cast Iron wheel. Or would I be better obtaining a
> proprietary adhesive and using that. If so what would you recommend, I am
> fitting
> crank pins to the wheels.
> Many thanks
> Don.
>
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