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The distinction between customized JIC Male Thread and coarse teeth
Upload Time:
2022-11-02
Ordinary thread is divided into coarse thread and JIC Male Thread. The same nominal diameter can have multiple pitches. The largest thread pitch is called coarse thread, and the rest are fine thread.
Ordinary thread is divided into coarse thread and JIC Male Thread. The same nominal diameter can have multiple pitches. The largest thread pitch is called coarse thread, and the rest are fine thread.
Customized JIC Male Thread Rotation: Viewed along the axis, the thread that rotates clockwise is called right-hand thread, and the thread that rotates counterclockwise is called left-hand thread. The thread profile, major diameter, pitch, number of lines and direction of rotation are called the five elements of the thread. Only the internal and external threads with the same five elements can be screwed together.
Male customized Thread Coarse thread: no need to mark the thread pitch, such as M8, M12-6H, M16-7H, etc., mainly used for connecting threads. Compared with fine thread, because the thread pitch is larger, the thread lift angle is also larger, and the self-locking property is poor. , Generally used in conjunction with spring washers: the pitch is large, the tooth profile is deep, and the strength of the body part is also reduced. The advantage is that it is easy to disassemble and assemble, and the standard parts matched with it are complete and easy to interchange.
Customized JIC Male Thread Fine thread: The pitch must be marked to show the difference from coarse thread. The characteristics are exactly the opposite of coarse thread. It is specified to supplement the special requirements that coarse thread cannot meet. Fine thread also has thread pitch series. Mainly used in metric pipe fittings of hydraulic system, mechanical transmission parts, thin-walled parts with insufficient strength, internal parts limited by space and shafts with high self-locking requirements.
To determine whether the thread is a coarse thread or a JIC Male Thread, first roughly determine the purpose of the thread, and if you are uncertain, use a caliper to measure the length of n pitches, divide it by n, and then check the thread table.
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