[ RETURN TO ALL WORK ]
[ CASE SPECIFICATION // Product Design ]
Ergonomic Medical Device Housing Prototype.
Created the industrial design and mechanical enclosure for a handheld clinical blood analyzer. The housing balances medical-grade chemical resistance (isopropyl wipe-down), tactile grip ergonomics, and strict IP67 water ingress protection.
SolidWorks PlasticsRhino 3DKeyshot 11Injection Molding DFM
01 // ISOMETRIC 3D CAD RENDER
01 // TECHNICAL CHALLENGE
The device needed to survive a 2-meter fall onto concrete while remaining completely sealed against liquid sterilizers.
02 // ENGINEERING & DFM SOLUTION
Designed an internal elastomeric floating chassis skeleton surrounded by a rigid PC/ABS shell with molded-in elastomeric ribs and ultrasonic weld joint beads.
03 // MODELING & TOLERANCING HIGHLIGHTS
—Complex Curvature-continuous Class-A surfacing for ergonomic thumb grips
—SolidWorks Plastics mold fill simulation to prevent sink marks and knit lines
—Tolerance stack-up analysis across 14 plastic component interfaces
TECHNICAL SPECIFICATIONS
Rating:IP67 Dust & Water Proof
Materials:SABIC Lexan Polycarbonate + Bayblend TPU
Drop Rating:2.0 Meter Concrete Drop Survival
Wall Thickness:2.2 mm Uniform with Mold Draft Angles
Tooling Cavitation:2+2 Family Injection Mold Design
QUANTITATIVE RESULTS
✓Passed 50 consecutive 2.0m drop tests with zero crack propagation
✓Achieved IP67 certification on first lab test pass
✓Injection mold tooling cost reduced by 15% through DFM draft angle analysis
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Haris bridges the gap between sleek industrial design and rigorous plastic engineering. Our product feels premium and built like a tank.
Dr. Sarah Lin — Chief Product Officer, BioSense Diagnostic Systems