DIY

How to make a simple height gauge (cutters and saw blades overhang)

Hello, dear readers and self-made people!
In carpentry, it is quite often necessary to adjust the protrusion of a saw blade, or cutters, with a fairly high accuracy.
In this article, the author of the YouTube channel “Woodsmith” will tell you how you can make a special tool for solving these problems.
 How to make a simple height meter (milling cutters and saw blades) This homemade product is very easy to manufacture , and is easily repeatable in a carpentry workshop.
Materials necessary for homemade products.
– Round neodymium magnets
– Sheet plywood, self-tapping screws for wood
– Sheet plexiglass, instant glue, sandpaper.
Tools used by the author.
– Manual router
– Milling cutters for wood
– Band saw, circular saw
– Drilling machine – Screwdriver
– Forstner drills
– Caliper, square, pencil.
Manufacturing process. < br> So, to make the body of the fixture, you need a rectangular blank made of 20 mm plywood.
The height of the case should exactly match the length of the ruler used, and the width is selected depending on your needs (usually the size of the sole of the hand router).
The author recommends using a metal ruler made of stainless steel, to which the magnet is well attracted.
< a href = "https://usamodelkina.ru/uploads/posts/2021-07/1627425035_upm-010.jpg" rel = "prettyPhoto">How to make a simple height meter (milling cutters and saw blades) How to make it simple height meter (milling cutters and saw blades) Along the centerline of the body, make a groove the same depth as the thickness of the ruler. This can be done with the same hand milling cutter, or on a circular saw in several passes with an ordinary disc.
The author uses a slotted DADO saw blade.
 How to make a simple height gauge (milling cutters and saw blades) How to make a simple height meter (milling cutters and saw blades) How to make a simple height meter (milling cutters and saw blades) How to make a simple height meter (departure cutters and saw blades) Next, you need to cut off the excess parts, forming a pair of legs and a central rack. The author does this on a band saw, but it is quite possible to do with an electric jigsaw.
How to make a simple height meter (milling cutters and saw blades) How to make a simple height meter (milling cutters and saw blades) Of course, a transparent plate will be installed on top of the ruler, which, with the proper groove depth, will press the ruler well. However, over time, the inner surface of the plate will become dull from friction, and the scale will be difficult to see.
The wizard offers a simpler and more reliable system of fixing the position of the ruler using a round neodymium magnet .
For this in the middle the groove is drilled with a bore with a Forstner drill .
How to make a simple height meter (milling cutters and saw blades) How to make a simple height meter (milling cutters and saw blades) The neodymium magnet is glued into place using a second or epoxy glue.
< img class = "aligncenter" alt = "How to make a simple height meter (milling cutters and saw blades)" src = "https://usamodelkina.ru/uploads/posts/2021-07/1627425038_upm-030.jpg"/> After the glue hardens, the surfaces of the body are sanded with fine-grained emery paper and impregnated with linseed oil.
It remains to cut a plate out of sheet plexiglass, drill holes in it, and fix it on the device stand with self-tapping screws.
How to make a simple height meter (milling cutters and saw blades) The ruler slides into the groove so that the origin is at the top of the fixture.
How to make a simple height meter (departure cutters and saw blades)  How to make a simple height meter (milling cutters and saw blades) How to make a simple height meter (departure cutters and saw blades) If everything is done correctly, then when installing the device on a flat surface, the edge of the ruler will coincide with the upper plane of the case. In the case when the ruler is slightly shorter, you need to grind the ends of both supports, reducing the overall height of the body. If the line is longer, then you need to carefully shorten it.
How to make a simple height meter (milling cutters and saw blades) Focusing on the edge of the plate, the master advances the ruler to the desired length.
How to make a simple height meter (milling cutters and saw blades) How to make a simple height meter (milling cutters and saw blades) How to make a simple height meter (departure milling cutters and saw blades) Now, pressing the device supports to the milling table, you can precisely set the desired cutter overhang.
The same can be done for circular saw blade, hand router, and other tools.
Also, this device is suitable for measuring the height of the studs or the depth of the grooves (to measure the depth, you will need to slightly modify the ruler).
 How to make a simple height gauge (milling cutters and saw blades) How to make a simple height meter (milling cutters and saw blades) If you need even higher accuracy (± 0.01 mm), you can purchase a ready-made digital height and depth gauge . Thanks to the author for the simple design of the mechanical cutter overhang gauge and saw blades.
How make a simple height meter (cutters and saw blades protrusion) Good mood, good health, and interesting ideas!
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The author's video can be viewed here.

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