Sharpened wood saw she saws herself - this will be confirmed by any professional carpenter or joiner. If you do not agree with this, then it's time to sharpen the tool.
Sharpening a hacksaw for wood includes setting the saw teeth. For this, there are special devices, as well as improvised tools.
Content:
Content:
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Saw layout
Tooth setting pliers
Tooth setting pliers are a good tool. Its cost can be compared with the price of a hand saw: 300-500 rubles. It is very convenient to use, the removal of the saw tooth to the side will be what you need.
Breaker for a hacksaw. It is also a good thing and is inexpensive - the average price fluctuates around 100 rubles. The design is elementary: several slots and an adjustable goniometer. The tooth is inserted into a slot of a suitable size, and the wiring is carried out by pressure on the handle. The exposed goniometer ensures the uniformity of the wiring.
Wiring for a hacksaw
There is neither one nor the other at home, but you don’t want to run to the store? Then you can use the old-fashioned way - it has been used since the beginning of time. All you need is an ax and some skill so as not to spoil your hands (for people who do not know the tool well, do not use this method - it is traumatic!).
The technology is simple: the blade is inserted between two teeth and by turning the ax the teeth are bent to the sides.
Setting teeth with an ax
The wiring of the saw can also be done using a self-tapping screw. It's more secure. To do this, you need a long screw - to make it more convenient to hold. Before work, it needs to be slightly modified. It is necessary to grind off his hat a little on one side - to make it flat. This is necessary so that when it is applied to the tooth, it does not slip and does not deform the latter.
The hacksaw lies flat on soft wood (pine, spruce). Holding a self-tapping screw by the leg, apply it to the tooth with a hat and hit with a hammer. The tooth is bent. The operation is performed through the tooth. After the saw blade is turned over, and the operation is similarly repeated.
Teeth setting with a self-tapping screw
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For sharpening, the saw must be firmly fixed, so that when exposed to a file, it does not vibrate. Otherwise, the quality of work will be low.
Fix the hacksaw blade vertically, often in a vice, in homemade clamps, but if there is neither one nor the other, then you can do without them.
The method of fixing without special devices is “on the edge of the workbench”. The hacksaw blade is laid so that only the teeth of the saw hang from the edge of the table. However, the handles of the saw are always thicker than the blade, and therefore the place next to it cannot be put tightly to the workbench. Therefore, you need to use the corner of the table, and then the saw handle will not interfere.
Saw fixation
If there is a clamp then you can fix it like this.
And this is the way without a clamp, fixation is carried out only by the hand of the sharpener. It is quite convenient and safe.
Fixing the saw without a clamp
A file or needle file is taken in the right hand, and, pressing the hacksaw blade with the left hand, they start sharpening.
Sharpen the saw teeth through one. File movements with this method are made from top to bottom. The file is applied to the tooth to be sharpened and is moved down with a forward movement downwards.
The file must be held with an inclination in two planes.In the horizontal - it's about 30 degrees. In the vertical - about 60 degrees. Tilt angles are individual for each saw, because they can differ both in the shape of the tooth and in its size.
Sharpening of the left side of the tooth.
Sharpening the left side of the tooth
Sharpening of the right side of the tooth.
Sharpening the right side of the tooth
Here's what should happen: to the right of the file pointer - processed teeth, to the left - no.
To the right of the file pointer - processed teeth, to the left - no
Tool used
triangular file
Since saws differ in shape and purpose, their teeth are also different. And in order to sharpen a hacksaw, you need a different tool.
Triangular file with one working side. The profile of this tool is not standard, if for a conventional triangular file all sides are equal and are working, then this file has one working side, and in shape it is an isosceles triangle with a very large base.
With such a triangular file with one working side, it is convenient to process small or oblique teeth. When working, it acts only on the surface to be treated, on others it only glides. There is no risk of grinding the adjacent tooth.
Plain triangular file. A compact tool that can easily sharpen most standard wood saws.
Plain triangular file
Triangular file. Great for sharpening saws with large teeth.
triangular file
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What should happen
Correct result
When sharpening, you need to ensure that the teeth of the hacksaw are sharp and shaped like a shark's tooth. Only such a tooth cuts well - the hacksaw will not slide on the tree, but will “bite” into it. And then it will become clear why the “correct” saw saws itself.
VIDEO: How to quickly and easily sharpen a hacksaw with a file
How to quickly and easily sharpen a hacksaw with a file
How to sharpen a wood saw: simple step by step instructions | (Photo & Video)
