HRS Connector Plug In 500mm Harness Cable Assembly

USB Harness Assembly 500mm Black HRS Connector Plug-In Car Signal Cable

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A Wire Harness, also known as a cable harness or wiring assembly, is a grouping of wires, cables, or subassemblies designed to transmit signals or electrical power. A basic Wire Harness may include as few as three discreet components, while the more classic harnesses include many more wires and other passive, and potentially active, components.

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How Metal Becomes Wire

First, the majority of electrical wire is made from aluminum or copper. After refining the ore, metal is pulled into thick coils called rod. Rod is processed in large spools and then fed into a series of dies and rollers which stretch it out into its final thickness, or “gauge”. To be useful and to be safe, bare wire is covered in a continuous insulating sheath using various kinds of plastic that must withstand temperature extremes, solvents, water and UV exposure. This is performed with a plastic extrusion process not much different than that used to make plastic bottles.

Only a few kinds of plastic are best suited as insulation since they must be durable, flexible, accepting of different colored dies, and not too expensive. Common material includes polyethelene (PE), polyurethane (PU), rubber and polyvinyl chloride (PVC). Higher grades of material for better durability and mechanical strength may include nylon, silicone, FEP, and PTFE (Teflon).

How Wires Become Cables

Usually a single solid metal strand is considered a wire, while multiple strands or bundles of wire are called a cable. In both cases, they are conductors for electrical signals. They come in many types and sizes for power transmission and telecommunication. Telecom cables are often shielded, using an additional outer mesh of conductor separated from the inner core by an insulating layer. This secondary mesh is meant to prevent incidental electromagnetic radiation in the environment (radio, TV, mobile phone signals) from interfering with the transmission.

Connectors And Terminals

By themselves, wires and cables can do nothing. They must be connected to something to perform their function, and that’s where connectors come in. But what exactly is a connector? Well, a connector actually needs to perform a couple of functions that can be highly specialized.

Connectors use a metal terminal that is crimped or soldered to a corresponding conductor, and all of this is placed inside the plastic shell. Connectors are tasked with making mechanical joints between male and female terminals, not only holding the whole unit firmly in place but also protecting it from the outside environment. Usually the connector can be separated later for maintenance or replacement, making it an invaluable interface between the human user and the electrical device. And there are thousands of types of connectors in every conceivable size and shape, for every kind of device and purpose.

Making Overmolding For Wires and Circuit Boards

Some complicated assemblies combine printed circuit boards soldered to fine wires. These need to be sealed in a plastic housing to protect them, but how to do this without destroying the delicate electronics?

Overmolding uses low-melting-temperature plastic that’s slowly pressed over the entire assembly and then cooled, which makes a single solid block which seals and protects it. In this regard the overmolding process is a hybrid combination of die casting and plastic injection molding. This is a one-time process; the connector can never be opened again without destroying it, but it’s robust and reliable if done right.

Suzhou Sanyouhe Electronic Technology Co., Ltd. (hereinafter referred to as Sanyouhe) is located in Jujin Road, Zhangpu Town, Kunshan City, Jiangsu Province. It was established in October 2015 and in March 2018 in the High-tech Industrial Park of Pingjiang County, Hunan Province. The branch company Hunan Sanyouhe was established.

Sanyouhe is a high-quality technology enterprise engaged in wire harness R&D, design, manufacturing, sales and service. Since its establishment, it has been dedicated to the production of wire harnesses, adhering to the business philosophy of "Hard work, integrity, win-win cooperation" to serve customers. Products are widely used in high-end fields such as electronics, electrical, automotive, new energy, medical, industry, communications, and smart products. Relying on the supporting advantages of industry talents and supply chain, Sanyouhe has a number of core production processes and leading technologies through cooperation and technical exchanges with world-renowned parts suppliers. At the same time, Sanyouhe is constantly improving and innovating, and has made breakthroughs in the design and manufacture of wire harnesses, and has successfully passed UL, ISO 9001 IATF16949 and other international standard certifications, and is committed to becoming the most trusted partner of customers.