How to sharpen the blade of the best wood planer?

The key part that makes your project successful is the blade. This is extremely understandable because it is the main part that participates in the woodworking process. Therefore, its quality directly affects the efficiency and productivity of the carpenter.

The blade of the planer has two parts: the bevel and the back. The bevel is the short end on the cutting edge, and the back is the flat part of the planer blade. The purpose of whetting your planer blade is to make these two parts as smoothing and flattening as possible so they can intersect during operation. The flatter and smoother they are, the sharper the blade will be.

So, in this article, I will show in detail how to sharpen the blade of a wood planer at home for those who do not want to take it to a repair center. Let’s explore.


Before you start sharpening

  • Unplug the tool: Make sure there is no more power on the device.
  • Even though they are old, blades can still cut you. Therefore, do not be subjective but put your hands on it. You may be injured
  • Remove any material that remains on the blade.
  • Check that you are sure to remove the blades properly( especially for the best thickness planer). Read the instructions provided with the tool to make sure you clamp the right blade. Check back once when you’ve set everything up

The equipment you need

  • The honing guide
  • A set pattern (made from scrap wood)
  • Grindstone
  • Magnifier to check your progress

How to sharpen wood blades

Sharpening your wood planer blade consists of a few simple steps:

  • Set the Honing Guide

After placing the sharpening guide on a smooth and flat surface, place your planer blade in the guide to check that the guide will hold the blade securely in the beveled position. Then make adjustments until the bevel is completely connected to the surface.

A sharpening guide is made to keep the planer blade at a consistent angle for the duration of the sharpening process. The lower the angle you set, the sharper your blade will be; however, the edge will be less durable. A 30-degree angle is ideal for a sharp and durable planing blade.

To set the guide at an angle of 30 degrees, you must have a 38 mm planing blade pushed out of the guide. To do that, you have to use two pieces of scrap wood with square edges. Place two pieces of wood 38 mm apart and fix them at a distance with screws and glue.

By using the setup mold with your sharpening guide, you can ensure that you are positioning the planer blade to the same distance each time.

  • Oil the whetstone

This oil is specially created to clean metals

  • Remove the nicks

To remove nicks from the blade, we need to apply the rough side of the whetstone with a push motion. When the nicks are removed, move the planer blade across your grindstone or make sure the blade stays still. If the blade moves, the edge of your planer blade will warp.

  • Flatten the back

Now it’s time to flatten and polish the back of the planer blade. You need to start with a rough grit (takes the most time), then turn to medium and then grind finely. You only need to do this with the 1 inch closest to the edge, but you still need to make sure you are applying enough force down to the planer blade to make it completely flat.

Once you’ve done the three grit steps, the back of the planer blade will look like a mirror.

  • Sharpen bevel angle

Take your sharpening guide and planer blade and use them to rub on the roughest whetstone. As with the back, make sure that the entire face of the bevel is concealed. Use your magnifying glass to track your progress. Once you are done with a rough grit, switch to medium grit. Finally, repeat the process until the Bevel of the blade is smooth and flat.

  • Check the sharpness

Now take any piece of wood and try shaving. If you feel the process is faster and more accurate than before then you have succeeded.

In conclusion

Sharpening your wood planing blade is an important process during maintenance. If you do not do that often, you will not be able to keep the quality of your projects at its best.

If you find sharpening quite complicated, you can use a hand wood planer which the best wood planer for beginners.  Hopefully, the article is helpful for you and thank you for taking the time to read through this article.

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