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template tom · 03-21-2007, 07:05 AM

Quote:

Originally Posted by Joe Lyddon

Yeah Bob!

I was going back to the article to get more detail on resourses for Tom and just happen to see the link about that movie!! What a great way to show Tom what I was talking about!! Hope he can get it!

Glad you like (like I do!).

Thank you.

Hi Joe
Thanks for that, the video showed exactly what I was expecting as it was exactly the same method they used in the previous article with the design I submitted.

That would have made it very clear to anyone wishing to rout a dish that depth. There was some mention in one of the postings that it was completed with the router in the plunge mode well that was not really the case as the band saw was used to cut the external surface then a sander was used to finish it off, and finally the base was rounded over in the router table.

My concern is that the rough material could have been removed first with a straight cutter as it is easier to control the router with a straight cutter rather than a large Dish cutter. The cutter had to be larger than the diameter of the Chuck (Collet) of course. Also using the dish cutter to rout out so much of the waste material by the time it got to produce the final cut it could be requiring sharpening.

If I were to do the project first I would have to purchase a suitable extension.
I would make the template that little bigger (There is a need to workout the 'offset' to increase the size.)

I would secure the material to a simple jig within a simple jig holder. Harrysin has shown in previous postings a modified holder he was using to accommodate the thicker material he was routing, only it was a rectangular box.

The template would be made the same size as the Jig Holder (No need to screw it down)

I would also Rout the outside edge to produce a wall thickness that was constant in width. There is no way that cutting with the band saw will produce the desired results.

To achieve this I would require to produce a 'plug' that would fit neatly into the dish, then with the aid of a template guide and a straight cutter I would rout in stages to the required depth. (I would not rout all the way through)
Also what is very important is to achieve a straight side I would use a set of 'Skis'.

I would trim of the majority of the waste material to leave a small section for trimming with the trimming cutter.

To trim of the waste material screw the 'Plug' to a sacrificial board (Upside down) and again with the set of skis rout the edge.

It's time I completed my DVDs

Tom