The role of the positioning pin
Locating PinThe role is to limit the degree of freedom of movement of objects. This degree of freedom means that the object must have six degrees of freedom in space, I .e.X,YandZThe linear motion of the axis andX,Y,ZRotational motion. It has no fixed effect and can be deleted after installation.
Then, in a mold composed of two or more parts, pins are widely used in the mold, including stamping molds, injection molds, etc. In addition, stamping dies and injection dies have very high precision requirements. It is not enough to fix the template with bolts, so only pins can be used for positioning.
or prevent wrong installation position and orientation. In addition, pins have certain applications in many mechanical motion devices, and they are mainly used to determine position based on two-dimensional space.
There are five types of locating pins: fixed, replaceable, tapered, chamfered and standard diamond. Typically, such parts are sold point-to-point. Standard locating pin includes cylindrical pinGB.T119.1-2000,GB / T119.2-2000Cylindrical pin with internal threadGB / T120.1-2000,GB / T120.2-2000and taper pinGB / T117-2000 .
Size of dowel pin is3To50mmFixing pins, etc. Since the pin needs to be clamped repeatedly during use, the pin shaft is required to have better wear resistance, so a better material should be selectedT10Aor20No. steel. The technical requirements of the material are blunt sharp corners, anti-rust treatment, heat treatment, etc.
The positioning effect of the positioning pin is very good and the installation is very convenient. The box bottom and the box cover are positioned by tapered pins and fixed by bolts, which makes it very convenient to open the box cover.
The above is the content collected by Fuzhou Sanhe Precision Axis Co., Ltd. If necessary, please contact us. The company focuses on manufacturing precision micro shaft. Strict quality requirements. From proofing to mass production, it can meet the needs of various quantities. The main products are armature shaft, precision shaft, rotor shaft, motor shaft, Stainless steel shaft, etc., the products are widely used in all kinds of micro motors, power tools, automobiles, precision machinery and other fields, the main cooperative customers are Japan Electric Equipment, Asmo, Hitachi, Electric Servo, Sanye Company, Electric Sanxie. , Meibeiya, Sony, Panasonic, Canon, Marlboro, Brother Industries, Inventions and other internationally renowned companies, as well as customers in the automotive industry such as Changzhou Fubon, welcome new and old customers to call us.
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2024-01-02
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