Washer - Zagane (English spelling) washer

Japanese: 座金 - ざがね(英語表記)washer
Washer - Zagane (English spelling) washer
A part that is placed between a bolt, nut, or small screw and the object being tightened. The contact area is increased, and the bolt or nut can turn more easily, improving the tightening effect. Also, if it is given a spring action or has a claw, it can be used effectively to prevent screws from loosening. There are the following main types. (1) Flat washer: A flat washer with a hole in the center, which is the most widely used. (2) Spring washer: A square wire is wound into a coil and each turn is cut off. The spring action increases the effectiveness of preventing screws from loosening. (3) Toothed washer: A washer with teeth on the inside and outside circumference, twisted into a spring. It is likely to damage objects, but its effectiveness in preventing loosening is greater than that of (2). (4) Disc spring washer: A disc-shaped spring washer. It can withstand large tightening forces.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
ボルト,ナット,小ねじなどを締めつけるとき,これらと締めつけられる物体との間に入れる部品。接触面積がふえ,ボルトやナットの回転もよくなるので,締めつけ効果が上がる。また,これにばね作用をもたせたり,爪部分を設ければねじのゆるみ止めとしても有効に使用できる。おもなものに次の種類がある。 (1) 平座金 中央部に穴のある平板状の座金で,最も広く用いられる。 (2) ばね座金 角線材をコイル状に巻き,1巻きずつ切落した形をしている。ばね作用によって,ねじのゆるみ止め効果が高まる。 (3) 歯つき座金 座金の内外周に歯をつけ,これをねじってばねとしたもの。物体を傷つけやすいがゆるみ止め効果は (2) より大きい。 (4) 皿ばね座金 皿形をしたばね座金。大きな締めつけ力に耐える。

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