Urethane casting (also known as cast urethane molding) is a process that involves either 3D printing a mold or 3D printing a master pattern part, which is in turn used to create a silicone mold. Once the mold is fabricated, two-part liquid polyurethane resin is poured into the negative space of the mold and placed in a heated pressure chamber to cure.
Polyurethane material options are numerous and deliver various shore value hardness levels. Cast urethane parts are often used in industrial applications. Urethane-molded parts can also deliver a range of performance characteristics, such as heat and flame resistance or biocompatibility for medical and/or food applications.
Cast urethane material properties are naturally elastic and have exceptional rebound qualities. Urethanes come in a multitude of colors, which makes them ideal for color coding, safety colors, and color matching. Cast urethane parts are highly resistant to wear, abrasion, solvents, cuts, and tears. Features that will save you money on replacement parts and result in less downtime.
For more information about how this process compares to injection molding, read our blog, Urethane Casting vs. Plastic Injection Molding.
ProdEX urethane part production is available from a number of urethane casting companies. To create a quote, click the button to sign up for a free ProdEX account.
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In our secure portal, you can submit an RFQ and we will bid to complete your project leveraging our proprietary software and extensive network of qualified manufacturers. With a range of digital-manufacturing solutions including 3D printing, CNC machining, casting, and injection molding and facilities around the globe, 3Diligent can support you from one-off prototypes and replacement parts through bridge production all the way to mass production runs.
We worked with 3Diligent on a urethane casting project. The breadth of materials and services they offered, including flame retardant and color options, made them a great partner on this program. We were very satisfied with the experience.
The evolution from prototyping to production is different for every project, calling for different machines, materials, and investments every step of the way. No provider can offer everything you could need under a single roof, especially in the rapidly evolving space of digital manufacturing—and when companies try, it makes even the most basic jobs exorbitantly expensive.
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