Tormek Router Plane Sharpening Jig
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Jig for sharpening router plane cutters (for Stanley or Veritas router planes) using the Tormek sharpening system.
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This is a simple jig to enable sharpening of router plane blades using the Tormek sharpening system. I also offer some other jigs for hand sharpening of router plane blades.
It's designed for cutters that have a square cross section that is 45° out from the cutting direction. These are common on Veritas and Stanley router planes (and probably others): an example is here.
It allows sharpening of both sides of the bevel: the underside of the blade is sharpened against the outside of the wheel while the top of the bevel is sharpened on the side of the wheel (note that I use a diamond wheel for this).
I typically then finish the bottom edge using a fine waterstone and the David Charlesworth method (except I use a thin ruler rather than the sheet of plastic that he prefers). This method ensures that the edge is parallel to the base of the router plane. The last two photos show this approach for information.
All parts were printed out of PETG on the 0.2 mm QUALITY setting (which I use as standard). They'd probably be fine with other settings. No supports are needed.
There are two versions of the mount (which is also used in my skewed chisel sharpening jig): the TormekCommonMount has a 12.3 mm diameter through hole that should slide smoothly on the 12 mm diameter universal support mount. If you find that too loose, you can try the TormekCommonMountTight, which has a 12 mm diameter through hole. Depending on your printer's accuracy, that might need opening out a bit with a drill bit or reamer, so it's worth printing with several perimeters to give you room for adjustment.
Hardware needed:
- M5 heat-set threaded inserts (6): one in the “common mount”, four in the base and one in the top.
- M5 cap screws (4) to hold the top to the base: anywhere from 10 mm to 25 mm long will be fine
- M5 cap screw or knurled M5 screw to hold the cutter in place - length depends on the size of your cutter.
The knurled screws aren't included (and you can just use M5 cap screws if you prefer) - the ones I used are available here: https://www.printables.com/model/272115-knurled-m3-m8-thumbscrews