Cold Heading for Medical Applications
Cold forming technology is well suited for the forming of biocompatible metals into parts for medical devices.
The cold heading/cold forming process can handle metals that are "too soft" or "too gummy" for good machinability. Examples include nickel, gold, platinum, and tantalum.
Cold forming is also ideal for controlling cost, especially when the raw material is expensive. With these types of metals, such as platinum, gold, or tantalum, the minimal scrap involved in cold forming helps keep part cost competitive.
The quality of cold formed parts is also an advantage for medical technology. Cold formed edges and corners have natural radii; therefore, cold formed parts are generally free of burrs.
The strain hardening imparted during cold work strengthens the metal. These factors can be attractive in many implantable, invasive, or sliding applications.
Cold formed prototypes are generally available in a few weeks at a very low cost.
The best time to consider cold heading or cold forming technology is during part design. We suggest that you contact us when your preliminary design is in progress, so that any needed revisions for manufacturability can be made before the design is complete.
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