Category Archives: Fourslide Parts

Choosing a Material for Your Flat Spring, Spring Clip, Contact or Other Metal Part

Selecting a material for your custom metal part

We are often asked to recommend a material for a customer’s flat spring, spring clip, battery contact, or other custom part. The standard response is that we do not make material recommendation, because the application requirements (e.g., spring force, conductivity, range of motion and corrosion resistance) are so critical to material selection. Our expertise lies in the manufacture of springs and stampings, not the design of the part for its intended function.

Rather, we suggest the materials that are viable alternatives relative to the manufacturability of a part. Many part geometries can be accomplished utilizing spring-tempered materials such as stainless steel, spring brass or phosphor bronze. When possible, these are preferable because they do not require heat treatment subsequent to forming, a process that can cause part distortion.

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When to Consider Fourslide for Your Wire Form

Fourslide wire form manufacturing
Fourslide wire form manufacturing

Here at Fourslide, we manufacture most parts from flat strip material. The costs of production tooling are typically justifiable for parts with an annual usage of as few as 5,000 pieces. Despite the low volume, there is often no better or more economical way to manufacture the part.

This is not the case for wire forms. When we receive an inquiry for wire forms with lower volume requirements (fewer than 20,000), we refer that customer to a CNC wire former. Because there is usually no tooling charge for CNC wire forming, it is a more economical process for manufacturing low volumes.

When volumes increase, however, the greater production speeds of the fourslide process – which result in lower per-piece prices – overcome the initial tooling investment. Read More →