How To Make A Circle Cutting Jig For A Router
Jun 19 2020 Draw the circle so that the outer edge touches the mark you just made. After drilling the hole I cut a 38 slot down the middle and trimmed the base to size.
Open the knob on the jig and set your radius by sliding it open or closed to your desired length.
How to make a circle cutting jig for a router. With a 12 forstner bit drill about 14 down on each of the mounting holes that were traced from the base FIG 3. For most circle cutting the bit used would be 12 diameter or less so I chose a guide bushing that has an outside diameter of 58. Then we slide the threaded rod through the opening of the center rotation point.
Easy to make and perfect results. An aluminum ruler at its heart simplifies the set up for creating accurate circles. Away from one end of the base.
You could rough out the circle with a jig saw machine then use a template and a flush-trim bit on your mini router machine to clean it up. For the length just make sure the board is long enough to cover the radius of the circle you are wanting to cut out. Draw a line down the center of the base lengthwise and make marks on this line 12.
Plexiglass and a few pieces of common hardware. Apr 24 2015 I first grabbed some 12 material that was wider than the diameter of my router then cut it down to about a 116 wider. I drilled a 58 hole in the plywood of the jig for it to fit in.
The main part of the jig is made from 14 plywood. Our router circle jig is now ready to use. Hardboard a piece of 18.
It will help too if you cut a third slot to allow the cutter through. This improvisation will get you the required radius of the small circle. You can improvise using an MDF and attach it to the routers base using two counter slots.
Remember that youre routing out a groove and that you must take the width of the bit into account if you need an exact size. Apr 06 2018 You can easily cut perfect circles with this jig. Drill a small pilot hole and fit the point of the jig in it.
My router is 6 12 in diameter so I made my board roughly 6 58. Then you just need a scrap of wood 14. To fix the threaded rod on the center point we place a washer on the outside again followed by a nut.
Lock down the knob to set your radius. You can find measurements and material names at the end of the video. Apr 06 2020 On the threaded rod we first place a nut followed by a washer.
Use a pencil to mark the screw mounting holes the center hole and trace around the outside diameter. Remove the baseplate from your router and position it centered on the line you drew and 12. Apr 22 2020 There are many pre-made circle cutting jigs available on the market but they are fairly expensive and many of them dont have a very large maximum radius.
May 09 2019 Chances are you already have most of the materials you need to make a circle-cutting jig for your router and a straight bit. Use a straightedge to draw lines from the outer edges of each circle and then cutout the jig with a jigsaw or bandsaw. Sep 20 2020 If you are going to cut small circles you need to use a false base plate with a pivot pin.
