Legacy Plastics, Inc. - A Custom Injection MolderLegacy Plastics, Inc. - A Custom Injection Molder

Custom Injection Molding of Hobby Knives for the Tooling Industry

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Custom Injection Molding of Knives
Custom Injection Molding of Knives

At Legacy Plastics, Inc., we take pride in being a single source provider for the design and manufacture of high quality molds. A customer in the tooling industry required the custom injection over-molding of hobby knives, and we were pleased to take on the project. First, our engineering and design team converted our client's specifications into a 2D CAD drawing. We then designed a loading fixture, to reduce mold damage and kept the physical handling of razor sharp knife blades to a minimum. When completed, each unit measured 1/2" wide by 5" long and to tolerances of ±0.005". Each hobby knife was visually inspected for quality and to ensure our customer's specifications were followed. Our client was so pleased with the results that we now manufacture 180,000 of these knives annually, delivering them directly to their facility on a monthly basis.

To learn more about this project, please see the following table or contact us directly.

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Custom Injection Molding of Hobby Knives Project Highlights

Product Description
Custom injection over-molding of hobby knives
Capabilities Applied/Processes
  • Injection Molding
  • Design
Equipment Used to Manufacture Part
Custom designed loading fixture, blade inserts,
Arburg 40 ton vertical molding machine
Overall Part Dimensions
Approximately 1/2" wide X 5" long
Tightest Tolerances
+/- .005
Material Used
Material Finish
In process testing/inspection performed
Industry for Use
180,000 Annually
Delivery/Turnaround Time
Monthly deliveries. 99% on time deliveries.
Delivery Location
Customer receiving door
Standards Met
Customer Specifications, 2D CAD Drawing
Product Name
Hobby Knife

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