There are numerous types and sizes of lawn mower blades. Some are designed specifically for certain mowers and have a part number stamped into the blades that are able to be referenced in the list of parts in the manual of the mower.



A high-lift blade, for instance, generates a powerful suction that effectively propels clippings upwards so they can be taken away for bagging. It also provides the best airflow to avoid the clogging of areas with dense grass.


Size


To choose the right lawnmowers replacement, it is essential to know the overall length and hole pattern of the blade. The locations of the shear pins and their distance from the blade boss, must be likewise known. These measurements narrow down results due to them being in accordance with discover the secret to a well-groomed lawn with our grass mower blade sharpener shape and design of a particular mower blade to avoid damaging mower components and creating vibrations.



Standard blades (also called 2-in-1 blades or lift blades) are used most commonly on lawnmowers with side discharges and lawnmowers that do not have mulching or bagging. The back edge of blades has a slight upward incline that results in an ongoing cutting and suction action.



High lift blades are made to be used for side discharge mowing. They have an upward-facing turn at the back. This kind of blade requires more engine power to function well. It can be slightly more costly in fuel costs, but is great for thicker grasses which are tough to cut using conventional blades.


Material


The blade of a lawn mower is generally made from steel that is durable. It can also be made from iron or other metals. Steel is a very popular material for mower blades as it offers a combination of toughness and durability. It is typically treated with heat to create a hardened surface. Tempering increases the durability and toughness, as well as resistance to corrosion.



It is more beneficial to employ high carbon steel for cutting over low carbon steel as it is more robust. It can withstand rocks, tree stumps and other objects which could cause damage to the blade.



The best way to keep a lawn mower blade is to make sure you use it frequently and ensure that it is sharpened properly. The blade needs to be balanced. This is accomplished by putting a nail into the board, and using a file to adjust it until the nail touches the middle of the blade.


Sharpness


Sharpness of blades is influenced by various variables, including the size of the lawn and the frequency of use. Sharpening is more frequent for large lawns with plenty of pebbles rocks, tree roots and weeds. A dull blade will wear out more quickly if you are using it regularly.



A sharp edge for cutting is necessary for a clean and attractive cut. A sharpening tool for blades is a great tool to help achieve this. It is similar to a bench grinding machine, however, it is smaller and cheaper.



The blade needs to be balanced frequently, especially after having been sharpened. Sharpening may cause the blade to be unbalanced because it takes more metal off one side than the other. To check the balance, place the blade on an anchor through its bolt hole and see whether it appears even. If the blade is tilted to one side, it has to be re-filed to ensure it is balanced.


Maintenance


Utilize a tool specifically designed to sharpen the blade of a mower. It works like a drill, however it has a stone that is designed to hold the edge, leaving no room for errors. This tool is quicker and more precise than hand filing. Once both sides are sharp make sure you examine the balance of the blade by hanging it from a nail that is inserted into the hole in the bolt. If the blade is not properly balanced, you'll have to file it more.



To stop an engine from starting while you are working on a blade, switch off the engine, and then remove the spark plug cable. Then, block the blade to keep it steady while you loosen the bolt fastening it with the help of a ratchet or wrench. Be sure to note which side of the blade is marked down when reinstalling it to make sure you get it mounted correctly. Spray a small amount of WD-40 or another lubricant on the bolt for mounting prior to tightening it.