saw blade sharpening in my area
The greater the soiling of the tool, the shorter is the edge's life span, as the cutting edge geometry that was present at the time of its creation can only be utilized to an extent due to deposits.
Additional indicators include an increase in production of noise and energy consumption by the machine as well as indications of wear (for instance, rounded cutting edges and cracking of the edge) in the machine. Users with comparable empirical values has the opportunity to determine for himself fixed criteria as the basis for a tool change. For instance an exact value for the power consumption.
However, getting your knives sharpened regularly is a lot easier said than done nowadays. If you've been to a bi-monthly appointment with the shop previously to ensure that your knives were always in tip-top condition, it's completely understandable that leaving your house to get your knives sharpened isn't on the top of your list schedule at the moment.
However, the quickest and easiest way to extend the life of edges is to clean the tool regularly. The thing that is thought to be dull tools can actually provide good cutting quality again after the cutting edges are cleaned.