Masters who often work with wood usually have a large fleet of various tools.
In this article, the author of YouTube channel “I Build It - DIY Tips and Tricks” will tell you how he made a scraper for wood and a handle for it.
This homemade product is very simple to manufacture, and can even be done using hand tools.
Materials
- Old circular saw blade
- Maple board
- Sandpaper
- Aerosol varnish
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- Wood screws, washers.
Instruments, used by the author.
- Miter saw
-, cutting disc
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- Grinding machine
- , drill
- Vise, chisels, pencil
- Knives.
Manufacturing process.
In the first part of the article, the author will describe to you the technology of creating a blade for a scraper from an old saw blade. For this purpose, steel from the blade of an old hand saw will also fit. The main thing is that the material itself is not strongly corroded by rust.
Sketching the outline of the scraper, the master uses the existing rectangular blade. You can’t do without a permanent marker!
When cutting a part using a grinder, it is important to align the disk as much as possible along the line of the working plane. So you can avoid unnecessary and painstaking work to align the cutting edge.
When cutting a part along the contour, it is important not to overheat the steel. Overheating can be easily noticed by the color change of steel: it first darkens and then turns blue. Most often this happens during operation, for example, with a thin disk, when the blade warps slightly, and one of the sides begins to rub against steel.
If the edge of the disk is slightly raised and lowered in the cut, you can cut more efficiently without fear of overheating.
Further, the grindstone is fixed in a vice with a coarse-grained side out.
A double-sided tape is glued to the blade of the future scraper. Thus, the author intends to fix a small wooden block on the blade, which will serve as a handle when sharpening.
At the same time, John is trying to use the entire abrasive plane of the stone to avoid uneven wear of the material.
The other side is handled in the same way.
The next stage is work on the ends of the blade. The author uses a maple bar in order to keep the scraper in a vertical position, at right angles to the plane of the stone. He achieves a flat and even edge.
If you do not want to spoil the grindstone (a sharp edge can easily leave behind an unwanted groove on the stone), you can completely use sandpaper, or a file. The main thing is that its sides are even.
Finally, the author again returns to the water stone and achieves the complete absence of irregularities left from the file.
Now the author clamps the scraper with one edge in a vise. This step may seem rather complicated. It is of great importance here at what angle to hold the polishing tool. In this case, this is the usual long bit for hardened steel screwdrivers.
John lightly lubricates the scraper blade with oil, induces it with smooth movements back and forth, giving a slight roll in each of its sides, until the edges take the form of chipping.
But the scraper in action - look, what a thin chip, almost parchment!
Here is the original video of the first part of the article.
So, John described the technology of making a scraper from a circular disk. In the second part of this article, he will talk about how to build a convenient ergonomic handle for this scraper.
First of all, the author whips up an experimental modelto test your concept. The tool performs its functions perfectly, but holding onto such a handle is not very convenient. The main reason is the pointed corners, and the thickness is not enough for a comfortable grip.
John picks up the material for the handle from a hard rock of maple 1.5 inches thick and cuts it up to 9 inches in length at the angle at which it is convenient for the hands to grip the handle. It will be wedge-shaped. All work is done on a band saw.
Holding the finished blank in his hands, the author notes the areas on which the thumbs of his hands rest. There will be deep grooves. Usually, when working with this kind of tools, the burden falls on the thumbs. They have to twist a little inward and bend, due to which the palms get very tired.
Excess material is cut, and the edges are ground on an orbital machine.
The author prefers to cut these grooves by hand with a chisel. Starting from the edges of the layout, the wizard moves to the center, and selects the unnecessary material.
By wrapping sandpaper on the round, polishes the recesses.
For mashing flat surfaces of the handle, the prototype of the scraper was very useful.
Sharp edges are cleaned on a grinding machine.
At this point, it remains to insert the scraper blade itself. On his trial model, the author used screws and washers to fix the blade, as well as a thin strip of wood to slightly bend the steel plate.
The original version of this bar will not.
The author offers a more original solution - to embed the edges of the scraper into the wood. He uses marking knives, you can read about their manufacture in this article.
Then cuts out an arched groove for the blade.
Drills pilot holes for self-tapping screws.
Now the blade is fastened with screws and washers, pressing it to the surface of the handle, it is slightly bent.
The product is covered with a layer of aerosol varnish. You can also apply or wax.
In operation, the scraper is simply magnificent, it does not create almost any tension for the hands! You can work at least all day. The surface after processing with such a tool looks polished.
Thanks to the author for a simple but useful tool for a carpentry workshop!
All good mood, good luck, and interesting ideas!
The author’s video of the second part can be found here.