Complex Pump Latch

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Complex Pump Latch
Benefit: Cost Saving, Improved Performance, Increased Component Complexity
Main Forming Process: Conventional Processing
End Use Sector: Medical
Material: Stainless Steel


Made from 316 stainles steel, the latch is used at the end of a door handle for a medical infusion pump that dispenses intravenous solutions. That part is produced to a density of 6.7 g/cm3 has an ultimate tensile strength of 65,000 psi, a yield strength of 42,000 psi and 11,5% elongation. It must withstand high loads and repeated operation without wear or breaking. Secondary operations are limited to deburing, tempering, glass bead finishing and tapping one hole. The P/M latch replaces a die cast handle that was machined and fitted to a machined stainless steel latch with dowel pins and screws.

Component Specification

Weight (g): 20g
Tensile Strength (MPa): 65,000 psi
Yield Strength (MPa): 42,000 psi
Product Density: 6.7 g/cm3
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