[modeleng] Fw: Re: Rivet Heads



 Roger,

 Whoops - I intended this message to go into my outbox whilst I checked up
on
 a few rivet sizes but the machine decided to send it. However I have now
 measured up a few dome headed rivets and the ratio of head diameter to
shank
 diameter varies from 1.7 to 1.8.
 The 1.8 are from Doug Hewson and, as you might expect, they are the most
 realistic and........the most expensive!

 Cheers,

Barrie

> ----- Original Message ----- 
> From: "Barrie Purslow" <bpduo@xxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Friday, April 22, 2005 10:57 AM
> Subject: [modeleng] Re: Rivet Heads
>
>
> > Hello Roger,
> >
> > To be honest I usually use commercial rivets so at least one end looks
> O.K.
> > (the other end is usually hidden so I simply countersink the hole and
bash
> > the rivet into the countersink.
> > The proportions of the rivet depend on the shape of head you chose but a
> > typical head is x rivet dia.  The length of shank that is to be deformed
> is
> > usually about 1.5 x rivet diameter regardless of material.
> > A few trial rivets are usually all that is necessary to get a Pukka job.
> > ----- Original Message ----- 
> > From: "Roger Mason" <roger.g3tdm@xxxxxxxxxx>
> > To: "Model Engineering List - Latest" <modeleng@xxxxxxxxxxxxx>
> > Sent: Friday, April 22, 2005 9:24 AM
> > Subject: [modeleng] Rivet Heads
> >
> >
> > > Hi,
> > >
> > >     The latest little job involves some riveting.   I want to make
some
> > > neat looking round head (domed) riveting.
> > >
> > >     If the diameter of the rivet is "d",  what are the proportions of
> > > the rivet head,  and more importantly how long should the shank of the
> > > rivet be (the bit sticking out that is going to get walloped) to form
> > > this head with out having either too much or too little material?   Do
> > > these proportions vary with different rivet material?
> > >
> > >
> > >        Cheers,
> > >
> > >
> > >           Roger Mason,  in a wet and very windy St. Agnes.
> > >
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