[modeleng] Re: Myford belt pulleys

Thanks Alan.  The ali. will do just fine - I have some of that!

Regards

David Everett
Saudi-Arabia-On-Sea



--- alan Stepney <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> The polyvee will run on any material, aluminium being widely used for 
> industrial / domestic purposes.
> 
> If you want to stick with cast iron, I believe college engineering do larger 
> sizes and there was another supplier at Sandown (dont remember the name) 
> who had some off cuts of biggish CI.
> 
> Alan
> ----- Original Message ----- 
> From: "David Everett" <deverett2003@xxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Thursday, September 29, 2005 4:35 AM
> Subject: [modeleng] Myford belt pulleys
> 
> 
> Hi all
> 
> 
> The life of the main Vee belt on my Myford S7 is coming to an end.  I intend 
> to replace it with a
> Polyvee belt, which of course means making new pulleys.  There was a design 
> a few years ago in ME
> by Neil Hemmingway for the conversion that I will use.
> 
> Questions:
> 
> Should the new pulley be from Cast Iron or will mild steel be OK?
> 
> If Cast Iron is to be preferred, will 'any old' cast iron do or must it be 
> Meehanite (continuously
> cast)?
> 
> Can anyone suggest a UK supplier of the recommended material from Q1 
> (125mm/5" dia x approx
> 150mm/6").  A local supplier can only get Meehanite up to 100mm dia.
> 
> Many thanks in anticipation
> 
> 
> Dave
> Saudi-Arabia-On-Sea
> 
> 
> 
> 
> 
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