Quote Originally Posted by kevinti View Post
Hi Lee

I have just joined the forum. I have purchased a set of Rockcliff plans and I am putting together my shopping list.

I have a lathe and milling machine, so I can fabricate some stuff. I see from the forum that you have made some Delrin nuts to use with the drive rods. Looking at Google, Delrin seems to come only in round rod or flat sheets. Do you make your nuts from sheet and cut to size, or do you have a source for rectangular Delrin?

I am also trying to sort out the guide rods for the various axis. Marchant Dice do a kit of parts, but the rods and bushes are metric, I can only find large diameter imperial router bits (from Axminster tools), did you use metric bushes and find a metric router bit for your Rockcliff?

It is great having a UK forum, to be able to track down UK suppliers.

Many thanks

Kevin
Hi Kevin,

Yea I work from sheets of delrin, works out cheaper buying it in that way.

You can find a few sellers on eBay selling off-cuts of delrin fairly cheaply if you want to make some. Rectangular Delrin would be a good point to make though, would save me running it all down on the table saw: D.

No, I used 1/2" Round Rail on mine, they also come with the bushings to match.

Do not go anything under 16mm for your rails on your Rockcliff, my machine may as well be a paper weight.

The 1/2" rails are far too small to do anything substantial, the machine may as well be a PCB machine only. I won’t comment on Dice's 20 years+ of engineering experience that should have told him 1/2" on such a machine was just not viable. O well you live and learn, make of it what you will.

I can supply you with metric or imperial bushings/rails, if you want to send me a PM i can get you some prices.