[Office Partner Counseling Center] Some people may be familiar with the brand of Japanese stationery. If you say one or two, you will say one or two, but how much do you really know? Let me explain the zebra's automatic pencil today.
Some people may be familiar with the brand of Japanese stationery. If you say it, you will say one or two, but how much do you really know? Let me explain the zebra's automatic pencil today.
The world's first automatic pencil appeared in 1565 
But the one-way core structure similar to modern mechanical pencils appeared in the United States in 1913.
In the original advertisement, it was called "ever-ready sharp pencil", and the English name of its patent owner Eversharp came from this slogan. It is the "Eversharp" famous for producing the "Skyline" series of pens.
“Ever-sharpâ€: Provides a sharp line with a constant width. The metaphor is the biggest selling point of the automatic pencil at the time: no need to sharpen the pen.
Most of the Yongfeng pens that you see are engraved with the words "WAHL". The four letters in the world are the names of a person named Wahl. He joined Yongfeng in 1915 and a year later. Controlling the majority of the equity is quite awkward. Today's words are that the occupants of the nest have driven the founder out of the board.
Since then, Wahl Eversharp has become another name for the company. In most cases, "WAHL" is used for pens, and "Eversharp" is mostly used for mechanical pencils.
Today we want to tell you that the "automatic pencil" can actually be subdivided into a variety of: writing, painting, and drawing.
Each pen has the purpose of each pen.
When writing short-stroke text for a long time, the center of gravity should try to reduce the burden on the finger joints near the pen position. Due to cost constraints, a tapered pen head and a plastic pen body are generally used. 
But in fact, the biggest requirement of this type of pen is that it is low-key and resistant to falling, because the probability of being taken away is really great...
The affiliated AX-105 and PD-275, and the LUNA of the Sid House are among them.
AX-105
In terms of painting, the main pen of most professional painters will be ordinary pencils with more lines.
The automatic pencil is only used as an auxiliary function for the processing of thin lines. The so-called "line drawing" automatic pencil only exists in the electronic process of some comics.
The biggest demand for painting pens is “multi-grip postureâ€. When sketching, the whole arm is mobilized, not just the fingers, the pen position and the force of the diversification, and the pencil is required to provide enough pens to be sufficiently forgiving. .
Sakura 125 is a common painting pen in the country. The front end is designed with ample round grip, and the hexagonal position of the central pinch and the lightweight pen body are a very flexible pencil.
Drawing and painting are different. Drawing pencils must be matched with tools such as rulers and drawing boards, so they have the most special requirements:
For a mechanical pencil used for drawing, the refill sheath (Sleeve) must be metallic and straight, and only such a sheath can draw a smooth line against the ulnar edge within the observable range. And long-term use without wear and tear. This is also the root cause of the casing structure of most drawing pencils.
Red Ring 600/800, GG-500/GG-1000 and the Zebra Tect we will mention later are all representative of this type of pen. They have an obvious common feature: expensive. 
After talking about the classification, let's talk about the structure.
The core part of the automatic pencil is the “clampâ€, which is the mechanical structure part that clamps the refill. When the clamping is required to be stable, the lead is crisp and brittle, and the durability is resistant to falling.
Structurally, the main parts are Jaw, Ring, Sleeve or Retainer. 
The claws (Jaw) and the sleeve (Ring) are the core components in the core component. It is similar to the nib of the pen and is the soul of a mechanical pencil.
A good automatic pencil, when the claws are in the closed state, should properly clamp the refill by friction, which requires very high precision. 
Inferior automatic pencils will be used here to achieve "clamping" by reducing the diameter of the clamp to add extra pressure, but the obvious point is that the refill is easily crushed.
The more inferior automatic pencil will be further tricky, changing the material of the claw to a flexible plastic, which saves the cost and reduces the pressure of the refill, but the plastic will be contaminated with graphite powder. After a while, the friction of the lead will be Inevitably, there is a serious decline, which causes the refill to be shaken when it is stressed. The final result is still that the lead core is broken.
At the other end of the lead core is a sheath or a retainer, both of which are an inner hollow cylinder for carrying the refill.
The requirement is one: sturdy.
There is no moving parts in this position, and there is no strong point. The strength of engineering plastics is enough.
But at the beginning we have already said: If it is a drawing pen, the outside of the sheath will frequently touch the ruler, so it must be wear-resistant metal.
In addition, this part is also the most easily broken part when the pen is broken, so some automatic pencils are designed with a shrinkable sheath.
But for this extra weight and redundant mechanical structure, benevolent, this is a good design, but not everyone likes it, especially when it comes to making more money.
There is a saying in the pen world that "the dragon bird is a rhinoceros".
In the eyes of professional players, the first brand of automatic pencils is Eversharp, and the second echelon includes Parker, Sheaffer and Conklin. In front of them, don't mention Redring, Faber-Castell, and Japanese goods such as Pentel and Zebra.
As I said before, when I introduced the Fiesta with two dollars and the PD-275 with eight dollars:
"As long as it is a big-name automatic pencil, the lead-clamp is stable enough, and the quality and feel are not much different. Instead, choosing a good pencil refill is more important! So there is no need to buy a too expensive automatic pencil. After all, you put The probability of losing a pen is far greater than being bad..."
All you need is the history, classification, and use of the automatic pencil, as well as the internal structure.
The sense of superiority does not come from the pen in your hand, but the knowledge in your mind. Real players will never look down on people who use low-end goods.
Well, is there a mechanical pencil in the world, which can be used for both writing and writing, as well as for students to draw a geometric figure. Usually, if you paint a crow or something, you will know that it is a good product when you look at it. The best brand is Imported, according to what you just said to support multiple grips, metal claws, metal casings... The most important point: to be cheap.
Classmates, although you have so many requests that I want to knock you with a hammer, but realistically say: Yes.
The two strongest brands in Japan to make automatic pencils are Pentel and Zebra. The reason is very simple. They both want to be the king of a gel pen or pen, but they really play Mitsubishi and Baile. Can only retreat to the second place in the small field of automatic pencils to force the technology tree.
Needless to say, from the cheap AX-105 to the professional PG-1000, there is almost no failure. But the pen's pen is highly professional. For example, the AX-105 is a typical cheap pen. The GG-1000 is a professional pen... almost all of them are professional and almost no versatile players.
The zebra is like a flexible businessman. In the European and American markets, the model that is currently the most popular is called “Tect 2Wayâ€. From the name, you can feel that this is a drawing pencil positioned as “Technical Pencilâ€. The "2Way" suffix name means that it has two ways to lead: ordinary buttons, or shake the lead, that is, you force the pen body, the pen will automatically extend downward. 
The design and dimensions are basically the same, the double-grip design also retains the fully enclosed non-detachable pen body (the person who prevents the handcuffs from removing the pen affects the assembly accuracy and leads to lead breakage), and the “Tect†is the simplified version of “Tect 2Wayâ€. .
but! but!
This simplified version is simply a ä¹žä¸ version! All plastic pen body, there are several people will open to see if the pen is full metal casing process? How many people will know if the claw is a three-piece copper CNC plasma cutting?
The semi-metallic pen body has become all-plastic, but in exchange for lower price and weight, it also removes the function of shaking the lead - taking away the icing on the cake, leaving basically the essence of writing Pure core, this is just the right castration.
It can be called the Ferrari of the poor, but you don't want to be a Ferrari. When the whole world is talking about the texture, what do you do with a plastic?
"Tect" will definitely lower the noble value of "Tect 2Way", so Zebra will shoot "Tect" in Europe and the United States. At present, Tect is only sold in the Chinese market.
Remember, the core experience of writing comes from refills. The red goods of Sid House, Red Ring, Faber-Castell, etc. are all Japanese OEMs. The Mitsubishi NanoDia series refills (202ND) are the anti-days. The existence, no need to think, it is it!
Regardless of the type of mechanical pencil, the possibility of breakage of the refill is essentially constant at 90% from a normal height (70 cm) table to a concrete floor.
There is no drop-resistant automatic pencil in the world, and the life of the refill is linearly positively correlated with the degree of itching. This has been repeatedly confirmed by scientists. Please do not doubt.
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