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Precision Form in Place Gasket Aluminum Exhaust Side Shield

Precision Form in Place Gasket Aluminum Exhaust Side Shield
Precision Form in Place Gasket Aluminum Exhaust Side Shield

H&S Manufacturing was contacted by a manufacturer of test and measurement equipment for fabrication of an aluminum exhaust side shield. This complex project required a CNC milled component that was fitted with a gasket to shield electronics from electromagnetic interference.

The client provided us with 2D CAD drawings, which we derived a 3D model from using Creo Parametric engineering software. The shield was made from 6061-T6 aluminum and milled to 6.360" x 3.750" x .383" utilizing our Leadwell V40iT 5-axis vertical machining center. A clear chromate coating was applied to the aluminum per ASTM B449-93 standards; the class 3 coating retards corrosion, acts as a base for the gasketing material, and has low electrical contact impedance.

To produce the extensive layout of the gasket, liquid gasket material was dispensed using a Nordson EFD industrial dispensing robot model # JR 2053N. This form in place process applied a bead of SNN60RXP Laird gasket material to the aluminum substrate forming a precise gasket.

Our quality program utilized in-process dimensional and visual inspections. Fulfilling all customer requirements, we held milling tolerances to ±.001" and gasket tolerances to ± .003" on bead width and ±.005" on location.

To learn more about this CNC milling and gasket forming project, please see the table below or contact us today.

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Highlights Of This Precision Cnc Milling Of An Aluminum Exhaust Side Shield Project

CNC Milling Aluminum
Capabilities Applied/Processes
Primary:
FIP Form In Place Liquid Dispensing of Gasket
CNC Milling

Secondary:
Coating
Part Marking
Equipment Used to Manufacture Part
Leadwell V40iT 5 axis Vertical Machining Center
Nordson EFD Industrial Dispensing Robot Model # JR 2053N
Overall Part Dimensions
6.360 x 3.750 x .383
Tightest Tolerances
+/- .001 for machining, +/- .003 for liquid dispensing
Material Used
Aluminum 6061-T6
Material Finish
Chemical Conversion Coating ASTM B449-93 class 3
  • Color: Clear
In process testing/inspection performed
Dimensional Inspection, Visual Inspection
Industry for Use
Test and Measure
Volume
250
Delivery/Turnaround Time
30 w/days
Delivery Location
Austin, TX
Standards Met
RoHS, Customer Specifications, 2D CAD Drawing, 3D Model provided in Creo Parametric formerly known as Pro/E,
ASTM B449-93 class 3
Product Name
Primary Side Shield
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