The sort of electrical contacts you will need for your equipment will vary widely depending upon a number of different factors. If it’s a brazed contact, this simply means that it’s a machined part, which has had a silver plate welded onto it. Contacts and assemblies are used for both industrial and commercial needs. Indeed, you’d be hard pressed to find any industry which doesn’t rely on contacts at some point, whether for construction and assembly, or even during research and development. Both aerospace and automotive companies make extensive use of these parts, but those are just two obvious and well-known examples.
The Right Contact
The specific type of contact you’ll need will be hugely dependent upon the volume and size. For small contacts requiring a high volume, you can use welded contacts. Tape, manual welded, and superior quality wire contacts are all produced in a similar way. They’re constructed in a single operation with in-press welding and then to a Class A progressive stamping die. That’s where it will see its final assembly. Tip-brazed electrical contacts have proven to be a bit more versatile. They can be used for low-to-high volumes and can produce mid-to-large contacts. These are constructed using one of three different processes. The preferred method will depend upon the criteria demanded by the work load, but furnace brazing, flame brazing, and induction brazing are all possible.
Seam welding has been around for many years and is still widely in use. In this case, the contact is made via the continuous run of a composite strip. The kind of composite used will vary, since the characteristics needed are dependent upon the specifications in place. This can be used for quite versatile results. This is good for small, mid-sized, or large contacts and for mid-ranged or higher volumes. Toplay brazing is excellent for building electrical contacts, but it does require a substrate material. Whatever contact material being used is brazed onto the substrate, and then it’s form rolled and stamped into a finished assembly. This is appropriate if you need something for a middle-of-the-road or higher volume, and can accommodate medium or larger sizes. It’s always recommended that you assess your details and requirements first, before settling on any specific selection. If you have high tension or logic-level loads, each will obviously have different needs.