Quote Originally Posted by tonyfoale View Post
i toyed with the idea of making something like the Quorn before I built something completely different shown here http://www.homemadetools.net/forum/h...fference-56205

The Quorn was designed to be made on a small lathe with a milling slide hence its small size. If you read the post on mine you will see that you can make something much simpler with less degrees of angular freedom without losing any function.
Interesting machine you got there Tony! My point wasn't to dismiss the Quorn but just point out that there are many designs floating about the net these days for tool grinders, some could be called more robust. Yours is an interesting design so I have to ask, do you have a web site detailing its construction or design?

For those unfamiliar with the Quorn here is a pic.

Click image for larger version. 

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The Quorn was sold as a plans kit and/or a set of castings to be machined. As each Quorn is homemade they all are slightly different usually incorporating the constructor's own ideas. For example the one pictured uses an ER collet holder which was not in the original plans.
Building to suit your needs is one of the great rewards of the DIY culture.