Pencils are indispensable partners for elementary school students. Sharpening pencils is a problem often encountered by children of seven or eight years of age. Some parents will use pencil sharpeners for children, but what if the problem is blunt? Let's take a look at the details about the pencil sharpener! What to do if the pencil sharpener is blunt? In fact, it is very simple, as long as the pencil tip is wrapped with a layer of fine sandpaper, and then placed in the pencil sharpener for a few revolutions, the blade will be sharpened. When using an electric pencil sharpener to sharpen a pencil, do not reach for a sharp blade to avoid cutting your fingers. The pencil sharpener cannot be ground. The sharpener is machine-made. There is no tool suitable for grinding such a knife. Generally, a larger stationery shop can be assigned to a knife in a corresponding pencil sharpener. Famous brand: Miki. It can be equipped with a knife, so in order to achieve the best results, or to match one or buy a sharpener. Pencil sharpeners and pencil sharpeners also have two major disadvantages: First, the sharpened nibs are too pointed to easily scratch the paper when writing, and the nibs are easy to break. Because the thickness of the nibs is too large, writing is uneven; Second, the amount of cutting by the blade or milling cutter on the pencil lead is too large. Most of the lead core is actually shaved off rather than written off. It is a waste. What is the difference between a general pencil sharpener and an eyeliner pencil sharpener? These two pencil sharpeners may have a lot of make-up for girls who can't tell the difference between them before, so it may cause the use of a general pencil sharpener to cut the pencils; Pencil sharpen ordinary pencil. This article analyzes the differences between them before. From the comparison of the two, the blade of the eyeliner sharpener is shorter than that of the general pencil sharpener; from the eyeliner pencil case to the ordinary pencil, the refill of the eyeliner pencil is softer than the ordinary pencil refill. The pencil refill is very hard. If you use an ordinary pencil sharpener to cut the eyeliner, it's easy to cut the core. Even if you keep on cutting, the sharpened core is not sharp enough, and the drawn eyeliner will be thick and unnatural! In between the two must be With a professional pencil sharpener, this refill will not break. Keeping the pencil head constantly, although it is convenient to use a pencil sharpener to sharpen the pencil, because the blade is not sharp enough, it often causes the writing head to break. Hand-cutting pencils, using sharp blades (such as paper cutters) can cut out the very sharp effects, require careful, mastery of strength, there is a certain degree of difficulty. The above is an introduction to the problem of how to make a pencil sharpener blunt. The pencil sharpener is easy to use, but pencil sharpening can promote the intelligence of children and reduce the use of sharpeners.