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How to Sharpen Your Lawn Mower Blade

Lawn mower in the garden.

Sharpening lawn mowers blades takes some effort and skill, but it doesn’t have to be difficult. There are several techniques you can used, involving different tips explained below.

Use Steady Surface

To sharpen by hand, you need to have a steady surface. It could be a sidewalk, a curb, or a driveway. In fact, sharpen wheels used on push mowers are usually sharpen on a concrete surface.

If you choose to sharpen the edge of the mower blade with a switch blade, you need to make sure that you have a firm and level surface.

Clean Blade Regularly

One important tip to know how to sharpen lawn mower blades is to remember to clean them regularly. It is crucial for the blade’s edges to be clean and free from dirt, dust, and grime. This will prevent your machine from wearing out more quickly and help you maintain a healthy lawn throughout the growing season.

When learning how to sharpen lawn mower blades, the blades need to be cleaned. Once you have finished using the mower, it is important to thoroughly clean the blades with a solution that contains water and mild soap. After cleaning the blades, it is important to allow them to air dry. It is best to leave the blades out in the weather to dry. Leaving the blades out in the weather will cause rust and corrosion. Once the blades are properly dried, you should replace the spark plug, if applicable.

Use Correct Sharpening Tools

Another tip in sharpening lawnmower blades is to make sure you have all the right sharpening tools. These include a lawnmower sharpener, file, and a bench grinder.

Before each use, you also need to sharpen the edges. The most common way to sharpen a mower is to make sure you use the file. This allows the blade to be ground very flat and then you can file it into a very sharp edge.

Seek Professional Help

If you need extra help, you can always ask a professional lawn care provider. Hentschel is a company that sells and services high quality sharpeners. Their website includes detailed instructions on how to sharpen mower blades. 

If you have questions about how to sharpen a blade, talk to a professional. They will be able to give you accurate and valuable information. If you are learning how to sharpen a mower blade on your own, be sure to wear protective gear such as safety glasses or a helmet. Proper gear is important when sharpening small parts of machinery.

Have a Good Power Source

For those who would like to learn how to sharpen lawn mower blades, it is important to note that one key element is a good power source. Without a power source, you cannot effectively sharpen the blades on your mower’s.

Power sharpeners are commonly powered by gas or electricity, but there are other options available such as battery powered sharpeners. You can even purchase portable battery sharpeners that you can carry with you.

Using Different Methods

  • Flat Plate Sharpening Method

One method that many homeowners use to sharpen a blade is called the flat plate sharpening method. This method involves a heavy-duty diamond-carbide clamp and a grinder. The flat plate is placed on the cutting surface and then the edge of the blade is driven into the clamp, driving the dullness and burrs into the metal. To prevent any damage to the mower blade, it should always be held securely in place while being used.

  • Penetrating Oil

If you want to learn how to sharpen a blade without a grinder, you can use penetrating oil. Penetrating oil is extremely powerful and is safe for household use. When sharpening blades with penetrating oil, the grinder that comes with the product is not necessary. Instead, you can use a manual grinder that is included with the tool.

  • Angle Grinder Tools

Using a sharpened blade is simple and easy if you have the right tools and equipment. If you’re unsure about how to sharpen your lawn mower blades yourself, you should consider purchasing a set of angle grinder tools. A set of angle grinder tools consists of both a razor blade and a sanding block. The combination of these two tools allows you to sharpen your blades quickly and easily. Using a pair of angle grinder tools is an effective and safe way to sharpen your blades.

Conclusion

Lawnmower blades, whether gas or electric, will eventually need to be replaced. This is nothing new and is something most people have done at one time or another. If you keep your lawnmower running and cutting the yard to your satisfaction, it is not a big deal but if there is a need to replace your blades, you will want to take a little time to consider how to keep your lawnmower blade sharp so you don’t have any issues with it in the future. It is important that the blades remain sharp because they help cut grass and weeds which keep the ground healthy.

When you are mowing your lawn, if there is a chance you might use more fuel, it is best to make sure the blades are sharp. The reason for this is the blades will last longer when they are kept sharp. It is also critical to keep the lawnmower blades sharp on an electric lawnmower because of how the blades are attached. An electric lawnmower does not have the same kind of moving parts that gas powered or corded mowers have. The blades must be attached to the mower with stainless steel screws.