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Фотоальбомы > Инструменты > Проверка качества заточки сверла Первая фотография « Предыдущее Следующее » Последняя фотография
Проверка качества заточки сверла
Проверка качества заточки сверла
а - по шаблону, б - универсальным угломером, в - пробным сверлением.

Is it possible to sharpen the drill yourself?

Yes, it is possible to sharpen a drill bit yourself. While it's generally recommended to have drill bits professionally sharpened, you can attempt to sharpen them at home if you have the right tools and experience.

Here are the steps to sharpen a drill bit:

Safety first: Wear protective gloves and safety goggles to prevent any injuries while handling the drill bit.

Examine the bit: Inspect the drill bit for any major damage or excessive wear. If the bit is severely damaged or worn down, it may be best to replace it.

Choose the right tools: You'll need a bench grinder or a drill bit sharpener to sharpen the drill bit. A bench grinder is a rotating wheel with a coarse-grit grinding wheel.

Secure the bit: If you're using a bench grinder, secure the drill bit firmly in a drill bit holder or a vise to keep it stable during sharpening. Ensure that the cutting edge of the bit is facing upward and at a proper angle.

Grinding the facets: Start by grinding one facet of the bit. Maintain a steady hand and move the bit across the grinding wheel using a smooth, even motion. Apply light pressure and avoid overheating the bit, as excessive heat can damage the tempering of the steel.

Flip and repeat: Once you've ground one facet, flip the bit over to the opposite side and repeat the grinding process. This will ensure that both sides of the bit are sharpened evenly.

Realign the center point: After sharpening the facets, realign the center point of the bit by lightly grinding it on the grinding wheel. This will ensure that the bit drills straight and accurately.

Cooling and lubrication: Throughout the sharpening process, it's essential to periodically cool the bit in water or use a lubricant to prevent overheating and maintain the bit's integrity.

Test and deburr: Once you've sharpened the drill bit, test it on a piece of scrap material to ensure it's cutting properly. If necessary, use a deburring tool or a fine-grit sandpaper to remove any burrs or sharp edges.

Remember, sharpening drill bits requires some skill and practice to achieve optimal results. If you're unsure or uncomfortable with sharpening them yourself, it's best to consult a professional or consider replacing the bit.

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