Aluminum Extrusion and Sheet Metal Assembly: Interface Checklist

Chinese CNC operator milling precise mounting holes in aluminum extrusion profile

Quick answer: When an aluminum extrusion mates with a sheet metal panel or enclosure, specify the interface as an assembly: locating datums, hole patterns, fasteners, finish and access for installation. Do not assume that individually acceptable parts will fit without a shared tolerance review. MSTFAB’s scope here is the drawing-defined sheet metal work; extrusion supply, […]

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