Faith Tool & Manufacturing, Inc.

Precision Tooling for an Injection Molded Pin Housing for the Electronic Component Industry

Pin Housing

The tool shown here was fabricated for the injection molding of a 36 pin circuit board protector. This tool was designed to the customers supplied prints, and featured interchangeable components that would allow for the injection molding of four individual parts. The complexity and precision required for this mold utilized a number of our CNC machining and hard milling capabilities.

Fabrication entailed graphite milling, which was completed on our OKK machining centers, as well as wire and conventional EDM machining, done on a Mitsubishi wire EDM and a Charmilles Roboform sinker EDM.

The molded component would be formed from a 20% GF PBT Ultradur B 4300 G4 natural resin, with a green colorant.

It featured dimensions of 82.2mm in length (+.0/-.2"), 27.4mm in width, and 24.5mm in height (±.2mm), with a finish of RA 2.24 or smaller.

To verify the integrity and quality of the tool, initial part sampling and debugging was performed in-house prior to shipping to the customer in Myrtle Beach, South Carolina. The entire project, from design to delivery, was completed in just 10 weeks. To learn more about this project, see the table below or contact us directly.

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Highlights of this Precision Tooling Project

Product DescriptionThis Green Housing is used to protect a 36 - Pin for a circuit board.
Precision Tooling Capabilities Applied/ProcessesInjection Molding, CNC machining and hard milling, graphite milling, wire & conventional EDM
Equipment Used to Manufacture PartOKK Machining Centers, Mitsubishi Wire EDM, Charmilles Roboform Sinker EDM
Overall Part Dimensions Length: 82.2mm + 0.0 / - 0.2
Width: 27.4mm ± 0.2mm
Height: 24.5mm ± 0.2mm
Tightest Tolerances± 0.05mm
± 0.5°
True Position of Ø.1mm
Material Used20% GF PBT Ultradur B 4300 G4 Nat Resin
Green Colorant per Afnor NF X08-002 A450-A460
Material FinishMust meet RA 2.24 or smaller
In process testing/inspection performedSample parts through internal QC inspections then sent to third party for full inspection prior to tool delivery.
Industry for UseElectronic Component Industry
Delivery/Turnaround Time10 weeks - design, build and debug
Delivery LocationMyrtle Beach, South Carolina
Standards MetCustomer supplied print, 2D CAD Drawing
Free of oil, grease, silicone, and metallic shavings
Product Name36 - Pin Green Housing

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