A brand-new blade already comes sharpened. So, there is no need to sharpen it again. Rarely, brand-new lawnmower blades feature a coat of paint. If that is the case, you may want to sharpen the paint off so that the blade works efficiently on the grass surface.
Are lawn mower blades supposed to be sharp?
Mower blades should be aggressively sharp, but not as sharp as a razor’s edge. You should be able to touch the blade with your hand without getting cut. … Additionally, lawn mower blades that are too sharp get duller, faster resulting in the need to sharpen more frequently and a shorter blade life.
Why are mower blades not sharp?
Dull lawn mower blades do not cleanly cut the blades of grass. Instead, the grass is ripped or torn, resulting in a jagged edge. This jagged edged will brown within days, causing an uneven look to a recently cut lawn. The jagged edges also present an easy way for disease and parasites to enter the grass.
How often do mower blades need to be sharpened?
On average, a mower blade should be sharpened after every 20 to 25 hours of use time. This depends on how often and how long you mow.
Do you sharpen both sides of a lawn mower blade?
Your lawn mower blade is dull. Sharpen the blade twice each season to help maintain a green, healthy lawn. A sharp blade not only cuts blades clean so grass plants recover quickly, it helps reduce your lawn mowing time.
Does wet grass dull mower blades?
Cutting wet grass can dull the blade more quickly. Clean blades thoroughly before and after mowing a lawn when wet to keep the cut as sharp as possible.
Can you sharpen blades while still on mower?
To some homeowners, however, that may seem unnecessary. After all, even if the blade is a little dull, they’ll still cut grass, right? Well, yes, but that’s not the point. … There are few different ways to sharpen lawnmower blades, including using a bench grinder, hand file, rotary tool, or angle grinder.
Which side of the mower blade goes down?
Hold the mower blade with one hand, and the deck (the part that acts as a sort of shield and protects you from the open blade) with the other hand. Give the blade a tug, and pull it down gently. The blade should not wobble if it is on the right side, with the sharp edge facing the ground.
Do Sharp mower blades make a difference?
Yes, sharp blades make a difference-a very big different, to say the least. During spring, when grass grows fast and becomes bushy, only sharper blades will do a great cut with minimum strain on your lawnmower. You also realize faster mowing with sharp mowing blades.
How much does it cost to sharpen mower blades?
Depending on the type of your mower, you can expect to pay anywhere between 20 dollars to 60 dollars. If it’s a reel lawn mower you might not even need to take the blades off the mower and sharpen them while they’re attached.
How often should you replace your lawn mower blade?
Blade erosion can happen over time due to yard debris, so be sure sure to inspect the thickness of the mower blade. For the average homeowner, a good rule of thumb is to replace your mower blades annually. Sharpening mower blades on a regular basis will prolong the life of your blades.
How do you sharpen riding lawn mower blades without removing them?
If you have a Dremel tool an angle grinder, or even a file, its easy to take the nicks and chips out of the blade. No need to remove it, it will cut just fine if you sharpen in place.
Are mulching blades better than regular blades?
Standard blades, sometimes referred to as 2-in-1 blades, are designed to cut grass and then either discharge or bag the clippings. … Mulching blades, also known as 3-in-1 blades, can be used to bag, discharge, or mulch grass clippings. Mulching blades feature more curves and an increased cutting edge.
Can you sharpen lawn mower blades with angle grinder?
Angle grinders provide one of the easiest and fastest ways to grind out nicks in the blade and restore a sharp edge, especially when compared to time-consuming flat files. Lawnmower blades have a chisel-type blade with one flat edge and one beveled edge, so you only need to grind one side.