Terminal wire is one of the major categories of connecting wire, commonly used in the processing of various electrical appliances, home appliances and other products of the internal wiring, so that the connection line more convenient and fast, can reduce the volume of electronic products, and reduce production costs and improve production efficiency. Suitable for moving parts and the motherboard, PCB board to PCB board between, miniaturized electrical equipment for data transmission cable used. Today to share with you the terminal line common three bad cases: terminal line of poor contact, poor insulation and poor fixation.
First, Poor Contact
The contact parts of the terminal line must have an excellent structure, stable and reliable contact retention and good electrical conductivity. Because the metal conductor inside the terminal line is the core part of the terminal, it will come from the external wire or cable voltage, current or signal transfer to its corresponding contact parts with the connector.
On the other hand, due to the terminal line contact parts structure design is not reasonable, the wrong choice of materials, mold instability, processing size is super poor, surface roughness, heat treatment plating and other surface treatment process is not reasonable. There is also inappropriate assembly, storage and use of poor environment and improper operation and use, will be in the contact parts of the contact parts and with the parts of the terminal line caused by poor contact.
Second, Poor Insulation
The role of the terminal line insulator is to make the contact parts to maintain the correct position arrangement, and make contact parts and contact parts between, contact parts and shell between mutual insulation. Therefore, the insulating parts must have excellent electrical properties, mechanical properties and process molding performance. In particular, with the widespread use of high-density, miniaturised terminal blocks, the effective wall thickness of the insulator is becoming thinner and thinner. This is also the insulating material of the terminal line, injection moulding precision and moulding process and so on put forward higher requirements.
On the other hand, due to the terminal line insulator surface or internal presence of metal excess, surface dust, solder and other contamination by moisture. Organic material precipitates and harmful gas adsorption film and surface water film combined with the formation of ionic conductive channel, moisture absorption, long mould, insulation material aging, etc., will cause a short circuit, leakage, breakdown, low insulation resistance, etc., resulting in poor insulation of the terminal line.
Third, Poor Fixation
The insulator of the terminal line not only plays an insulating role, usually also provides precise alignment and protection for the outstretched contact parts, and also has the function of installation and positioning, locking and fixing on the equipment. If the terminal line is poorly fixed, the lighter the impact on contact reliability causing instantaneous power failure, the more serious is the disintegration of the product.
And disintegration refers to the terminal line in the plugged state, due to material, design, technology and other reasons resulting in unreliable structure caused by the plug and socket between, pin and jack between the abnormal separation, will cause control system power transmission and signal control interruption of the serious consequences. Due to unreliable design, wrong material selection, improper choice of forming process, heat treatment, molds, assembly, fusion and other poor quality processes, assembly is not in place, etc. will cause poor fixing of the terminal line.
Xiamen Changjing Electronic Technology Co., Ltd. is a professional manufacturer of various UL terminals, electronic harnesses, car harnesses, waterproof plugs, network data cables, etc. We can provide a wide range of standard materials including MOLEX, JST, HRS, SMK, AMP, etc., as well as JWT, TYU, CS, JH, ACES, etc. The factory has a large number of professional technicians and management cadres who have many years of experience in development and production. With the joint efforts of all staff, the company has successfully passed the ISO9001:2015 international quality system certification and UL safety certification, the company has a number of national patent certificates, so that enterprise management and international standards.
Post time: Apr-19-2023