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How Do I Choose the Best Lawn Mower Blade Grinder?

A good lawn mower blade grinder will grind the blade quickly and precisely.
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  • Written By: Dan Cavallari
  • Edited By: Bronwyn Harris
  • Last Modified Date: 05 October 2014
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    Conjecture Corporation
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A lawn mower blade grinder can help you extend the life of your lawnmower blades, especially if you are a commercial lawn maintenance business owner. These units are generally mounted on a tabletop, as they are quite heavy in most cases. The best lawn mower blade grinder will feature a large grinding wheel that is powered by a good-sized motor that can help grind the blade quickly and precisely. Be sure to choose a lawn mower blade grinder that is sufficiently adjustable, affordable, and convenient. Look for a unit with appropriate safety features as well.

Some lawn mower blade grinder models feature a grit collector, which is essentially a large metal hood that keeps metal shavings and other debris from flying away from the grinder and striking bystanders. This is a good safety investment, especially if the lawn mower blade grinder will be used primarily in a high-traffic area. While the grit collector will raise the price of the unit, the cost is well worth the safety. When choosing a grit collector, be sure to look for one that is open enough to avoid interfering with the grinding process, especially with longer lawn mower blades.

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The coarseness of the grinding wheel, known as grit, will have a significant effect on the time it takes to grind the blade, as well as an impact on how long the wheel itself will last. Be sure to choose a lawn mower blade grinder that will allow you to change grinding wheels quickly and easily should the wheel wear out, and be sure parts are available for replacement: grinding wheel systems should allow you to choose from most of the wheels on the market rather than just a select few. A finer-grit grinding wheel will generally last longer than a coarse grit wheel, but a coarse grit wheel is likely to sharpen the blade much more quickly.

Other features to look for when choosing a lawn mower blade grinder include a shop light, or a light with a long neck that can shine light on the work area without getting into the work space and limiting movement; a grit shield, usually made of Plexiglas® or similar clear and shatterproof materials; and easy adjustment levers that will allow you to adjust the angle at which the lawn mower blade comes in contact with the grinding wheel.

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