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Many people are comfortable with the use of pruning she […]
Many people are comfortable with the use of pruning shears, but they do not pay much attention to the maintenance of scissors, or they do not know that pruning shears also need daily maintenance. In fact, any sharp tool will become dull without maintenance. In order to let the pruning shears have a normal service life, please pay attention to timely maintenance and proper storage.
The first thing to remind is: the new scissors are already edged and do not need to be sharpened. The usual maintenance of pruning shears is mainly for the trimming of the cutting edge. Please note that the secondary edge on the back of the small edge of the watch should also be trimmed and ground accordingly. However, the edge face of the other curved receiving edge only needs to be re-ground lightly.
Such grinding will remove burrs, dirt and small gaps in the cutting edge in time, and the sharpened cutting edge will not only make trimming easier, but also effectively prolong the life of each part of the scissors.
After sharpening the knife, you can use something soft (something that does not require force to cut) to break in and try to cut it. For example, use muslin, cotton, etc. to test the effect of sharpening. To correct, until the soft things can be cut cleanly, then prune the branches.
Normal scissors only use a small blade with a 20-degree blade width of 0.2 mm to 0.3 mm when pruning. After the damaged edge is re-sharpened, the width and angle of the small edge of the watch may change, and the sharpness will also change. If this kind of grinding operation is an inexperienced person, you can try it several times with the method of small grinding. It is best to ask someone with a little bit of technical knowledge to operate it. Please note that the cutting edges are sharp and avoid the risk of injury.
For the cleaning of scissors, it is mainly to remove contamination. The sap attached to the scissors should be cleaned in time. Decontamination cleaning agents are available on the market, and can also be cleaned directly with hot water. The effect of rubbing with a toothbrush and other tools in hot water at about 80°C is also better. . However, it must be thoroughly dried as soon as possible after cleaning with water.
After the maintenance is completed, the surface of the scissors should be cleaned in time, and then coated with anti-rust oil.
Because the enemy of steel is "rust". Although the tool has been treated with hard chrome plating or other special surface coating treatment on the basis of high carbon steel, this is not perfect. Pay attention to timely cleaning and keep it fully dry. The part where the blades overlap is likely to retain moisture, so be careful.
In addition, after the scissors are dry, apply a thin layer of anti-rust oil (machine oil, sewing machine oil, etc.) to the blade, and store them in a dry place out of the reach of children. Avoid direct sunlight.
It is understood that a pair of high-quality scissors can normally cut 500,000 to 1 million times, and as long as it is used properly, it should be able to cut 500,000 times. But whether it can be trimmed to 1 million times or more really depends on the user's respective usage habits, especially the daily maintenance and storage, so please be sure to pay attention to the daily maintenance and storage of the scissors.