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I have tried various methods to produce good scarfs for planking including a circular saw jig, manual planing and other variations. For this build I devised a jig for a router which gave excellent results. The following photos provide details of this jig and technique. | |||
Jig is secured to a workbench. |
Profile of the jig is designed to allow the router to cut a progressively deeper bevel which results in the scarf. |
Plank is fed in from the rear. |
Important to line the plank up exactly along with the router blade depth to ensure the bevel is properly positioned. |
My jig enabled a piece of dowel to be used to jam the plank in the jig. |
But an additional clamp was applied to prevent any movement. |
All ready for the router. |
The router is fitted with a template guide to prevent routing into the jig and the bit is a standard 1/2 inch straight bit. |
It requires a number of passes across the plank to cut away the waste. |
The result is a very true bevel. |
This shows the accuracy of the cut - I was very pleased with it and could re-create every time, quickly as well. |
And that as they say is that.... |