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Xin Peng Bo - 20 years high quality connector manufacturer

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Matters needing attention in plastic design of pin connector connector

Category: industry dynamics Source: Xin Peng Bo Electronics Release time: 2018-03-07 Visits: 大赢家斗地主苹果版

We know that the pin connector is mainly composed of two parts: pin and plastic. There are many differences between the pin spacing and the needle row number. The spacing can be divided into 0.8 pins, 1 pin, 1.27 pin and 2 pin. 2.54 pin The pin arrangement of the pin connector can be divided into single row, double row, three row, and four row. Therefore, when designing another part of the pin connector, the main items need to be dealt with.

 Pin connector

The function of the pin connector design is to fix the plug-in and keep insulation between the two plug-ins. Due to the limitation of some plastic material filling performance, the thickness of the plastic wall of the connector needs to be designed below 0.2mm. Filling will be more difficult. If the area of the plastic thickness is larger, the more likely it is to lose the mold.


The insulation resistance and voltage resistance of the pin connector mainly depend on the thickness of the plastic material between the pins. If there is not enough mold between the pins, it is very likely that the pin will break the product, which is a serious quality problem of the product. Therefore, the thickness of the plastic wall between the pins of the pin connector should be designed to be more than 0.25mm, and the length of the thin wall segment should be reduced as far as possible.


The structural design of plastic parts for some pin needles also needs to pay attention to minimizing unnecessary use of sliders. Concrete engineers can be consulted to evaluate the rationality of the structure. For plastic parts on both sides of the size limit often appear thin (0.3mm below) phenomenon should be thickened, otherwise prone to incomplete mold or low strength in injection molding and packaging, turnover damage.


One more thing. Pin connector The size of the plastic, how to label the plastic size and how much the tolerance value is appropriate is not what the designer or the size of the person has the final say, but what requirements are used on the product (function, process requirements, process capability) to decide. The plastic size of the pin is usually for the size of the product, such as the height of the connection between the pin and the contact point, the height of the card, the coplanarity, or the special requirements of some customers, and the size of the plastic to be controlled, as well as the more important dimensions in the production control, such as the insertion depth of the pin. At the same time, we should also consider the factors such as assembly, electroplating, automaton production and so on, so as to ensure the production of pin connector products to the customers' hands, which can correspond to the circuit board connection of the customers' products correctly.

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Key words: Pin connector, 0.8 pin, 1 pin, 1.27 pin, 2 pin, 2.54 pin, pin connector pin, Xin Peng Bo, connector manufacturer

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