A Division ofSeilkop Industries, Inc.Seilkop Industries, Inc.
HITECH Shapes & Designs a Division of Seilkop Industries, Inc.

Custom Engineering & Development of Emergency Resourcing of Engine Cooling Components

A tier 1 automotive manufacturing customer contracted Hitech Shapes & Designs, a division of Seilkop Industries, Inc. to design and develop a Sinto/DISA compatible 20" x 24" shell mold pattern after their original plastic component failed when exposed to heat. The thermostat housing components as shown below were machined from 4140 steel employing our high speed vertical milling equipment, maintaining the tightest tolerances of ±0.0005”. We were able to achieve the exacting machining tolerances of all tooling for fit and function, without flash. The completed pattern featured multiple core boxes and assembly fixtures, exhibiting a .2 micron machined to 1 micron hand polished finish. No secondary finishing methods were required due to the fine surface left by our high speed milling technology.

The tooling was subjected to full dimensional and functionality testing to ensure quality and integrity. The produced thermostat housing component measures 4" x 6" x 4" after casting, as specified by the customer supplied 2D/3D CAD drawings. Turnaround time for this project was 3 weeks, shipped to the customer in Cincinnati, OH. For more details about this housing component pattern design and fabrication, or the full menu of services and capabilities available please see the table below or contact us directly.

Drawing of an Engine Cooling Component
Drawing of an Engine Cooling Component

(Click image to enlarge)

Hitech Shapes & Designs

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Custom Engineering & Development of Engine Cooling Components Project Highlights

Product Name
Shell Mold Pattern
Product Description
Sinto/DISA 20" x 24" Pattern with Multiple Core Boxes & Assembly Fixtures
Capabilities Applied/Processes
No secondary finish required because high speed milling technology utilized.
Equipment Used to Manufacture Part
CNC Vertical Milling Machine
Overall Part Dimensions
4" x 6" x 4"
Tightest Tolerances
+/- 0.0005"
Material Used
4140 Steel
Material Finish
3.2 Micron Machined to 1 Micron Hand Polish
In Process Testing/Inspection Performed
Dimensional Testing, Functionality Testing
Industry for Use
Aluminum Green Sand Foundry
N/A - Job Shop 1 Time Tooling
Delivery/Turnaround Time
3 Weeks
Delivery Location
Cincinnati, Ohio
Standards Met
Customer Specifications, 2D/3D CAD Drawing

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