Custom CNC Milling of Tool Steel
Among die and mold manufacturers, high-speed milling of hardened tool steel is one of the most important technologies. At JB Tool, Die & Engineering, Inc. we know how important it is and have the skill and experience to tackle the most complicated high-speed CNC milling projects. With this in mind, a plastics industry client came to JB Tool & Die for a core pin constructed from 440C stainless that would be used in the making of plastic closures.
Our design team created a CAD model as the basis for the manufacture of this forming pin. The process included CNC turning and machining, heat treatment and high-speed milling. We finished the 28 mm forming pin by polishing to a surface finish of 4 micro. The finished product measured 1-1/8″ diameter and we worked within tolerances of ± .0002″.
To learn more about this project, please contact JB Tool & Die today.
Hardened Tool Steel Forming Pin Project Highlights
| Capabilities Applied/Processes (Machining, Molding, Welding, etc...) | Engineering CNC Turning & Machining Heat Treatment | High Speed Milling Polishing |
| Tightest Tolerance | +/- .0002" | |
| Material Type | 440C Stainless Steel | |
| Product Diameter | 1 1/8" | |
| Secondary Operations Applied: | Passivation | |
| Industry for Use | Plastic Closure | |
| Product Name | 28mm Core/Forming Pin | |
| Design Work (CAD Modeling, FEA, etc.) | CAD Modeling | |