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Case Study: Lever

Process: Metal injection molding

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End Use and Function

This intricate metal injection molded (MIM) part is used in a latch ejector mechanism for pluggable gigabit Ethernet connections. The specific challenge with this part lies with the goal post arms—their position is critical to product performance.

 

A 2012 Award of Distinction Winner in the Electronic/Electrical category

 

Fabrication

The tool for this part requires multiple slide actions in order to achieve the target geometry. In addition to a complex injection mold, a complex system for setting the part during sintering enabled the elimination of post-sinter cold deformation.

Results

Using MIM to create this part resulted in:

  • The elimination of two coining steps (entirely removing the need for coining)
  • Economical costs
  • Removal of waste from previously machining the part from bar stock

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