How to Sharpen Lawn Mower Blades with a Bench Grinder- Experts Guide

Are you thinking of sharpening your lawnmower blades with a bench grinder? Then you must read this article to know how to do the job. If there is a lawnmower in front of your house, then you can enjoy some fresh air.

Since lawnmower enhances the beauty of the home and helps to enjoy fresh air, we must take care of the lawnmower. It is necessary to trim its heads regularly for a few days. To cut the head of the lawn, the sharpness of the mower blades must check.

So if you want to sharpen the edges of a lawnmower with the help of bench grinder, then read this article. Today we will tell you how to sharpen lawn mower blades with a bench grinder.

How To Sharpen Lawn Mower Blades With A Bench Grinder- Details On

You need to sharpen the blade grinder to cut your lawn. So you need to understand when you need to sharpen your blades. To understand this, you need to be careful while mowing the lawn. If the heads of the cut lawn are very mixed, you know that the blades are still sharp.

And if the lawn heads must trim relatively, you need to understand that the leaves need to sharpen. In this case, you can sharpen the blades with the help of any rock or cement.

However, in this case, there is a possibility that the blades will break. At this stage, we will discuss the rules for sharpening the knives continuously.

How To Sharpen The Blades Of A Lawnmower With A Bench Grinder

At this stage, we will tell you how to sharpen the blades of the lawnmower. By following these rules, you can grind the leaves of your lawnmower in a short time. Necessary safety equipment before sharpening the blades.

  1. Lawnmower blade
  2. Lawnmower blade grinder
  3. Hearing protector’s
  4. Protective eyewear
  5. Gloves

Why Should We Sharpen The Lawnmower?

  • When lawn heads are overgrown, if they not pruned, the lawn may die and become infected. That’s why we should cut the grass from time to time.
  • If the lawn is dull, it may be more challenging to do this if we want to prune it. For this, if the grass grows a little, its head should be trimmed. It is best to prune the garden in a row for a few days according to the rules.
  • If you sharpen your blades again, but it is too late to cut the lawn, then the edges will not do much work. For this, you have to trim the grass at the right time. On the other hand, if you want to decorate your lawn, but the blades do not have enough sharpness, you cannot cut the grass.


  • Angle grinder
  • Clamps
  • Metal-grinding blades
  • Safety glasses
  • Work gloves
  • Wrench set

Step1: Ensure Safety

You need to ensure safety before doing this. You can take two steps to make this protection.

  1. First, you have to remove the electrical spark plug from both the electric model and the gas-powered lawnmower. If this plug not removed, any accident can happen.
  2. When you tip your lawnmower, keep the carburetor facing up. Do not allow oil and gas to spread through this work. With this work, you will be much safer while working.

Step2: Cut Off The Blade

At this stage, even if the loans are dull, your skin may get hurt. That’s why you should wear hand gloves for hand protection. Now you have to open the blade. The blade piece must place very carefully. You have to be careful while opening the knife. If the knife feels stiff when opening, you can spray lubricant.

Step3: Cleaning The Stains Of The Blades

Grass and dirt must remove from the blade. At this stage, it is necessary to see if there is any damage to the edge. Now the module can clean of grass with soapy water—these the best ways to buy and use a new module instead of so much hassle.

Step4: Sharpen The Blades

At this stage, you ready to sharpen the blades. For this, you can use goggles for the eyes. Can wear protective clothing. You can use hand gloves for hand protection. In this case, activate the bench grinder. Blades need to sharpen carefully and slowly. You must pay attention to the hand while doing the work.

Step5: Resting The Blades

It gets scorching when the blades sharpened. That’s why you have to rest the edges while working. Resting will give the blades time to cool down. If we continue to work without resting the edges, the edges can be damaged if it is overheated. Therefore, it is necessary to work with rest while lending the blades.

Step6: Relocation

Once the blades sharpened at this stage, it will have to be re-installed. For this, we need some bolt nails. The bolts and pins on the modules will prepare it for the lawnmower. Now it’s time to sharpen our knives. Now it is ready to cut the lawn in a new way.


  • Blades grinder must be fully aware of its precautions before use.
  • Before finishing the work, you need to make sure that the blades grinder is closed correctly.
  • All protective equipment must use before starting work.

Last Word

From the above discussion, we learned how to sharpen the blades of a lawnmower with the help of a grinder. We should all know this well before doing these things. In addition to this, there are some other alternative measures to sharpen the blades.

One arrangement the Angle Grinder. Many people take care of themselves. Time cuts off the lawn’s heads. Care taken while doing the work. If you are afraid to do it yourself, you can get help from a skilled person.

In this article, we want to show you how to sharpen the blades of the lawnmower. So if you don’t know how to sharpen lawn mower blades with a bench grinder, then read the article.