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Rize Comes Out On Top in Independent Functional Strength Test

Recently, a global manufacturer conducted a comparative functional strength test that combined compression strength, flexural strength and bearing strength on a 3D printed part produced on Rize, Markforged, Dimension and Fortus systems, as well as a machined version of the part.

To conduct the test, a design engineer at the company first bolted the 3D printed plate to a table and inserted the bench clamp into the slot. He then clamped the clamp onto a pressure sensor and increased the pressure through each level until the part broke.

The results speak for themselves. The Rize 3D printed part not only performed as well as the machined part, it outperformed every other 3D printed part tested - most notably both Markforged parts, including the one reinforced with carbon fiber.

How is this possible? Carbon fiber-reinforced parts must be stronger than thermoplastic parts, right?

Wrong.

Unlike all the other 3D printing technologies tested, Rizium™ One, Rize’s own compound of engineering- and medical-grade thermoplastic, is isotropic, meaning, it is uniform in x, y and z axes (see Rizium One spec sheet). In fact, the other 3D printer manufacturers included in the test either don’t publish their material specifications or, if they do, they don’t include their Z-axis strength. Given that real-world parts, such as machined or molded parts, have isotropic properties, Rize’s isotropic part capability makes our technology uniquely suited to creating prototypes for functional testing, tooling and one-offs of customized end-use parts.

The manufacturer's testing underscores that a part is only as strong as its weakest point and we can’t assume that just because a part is made of carbon fiber or nylon, it is stronger than Rizium One thermoplastic; in fact, the reverse is true by a wide margin. In addition, Rizium One is a fraction of the cost of the other materials and delivers parts must faster than the other technologies tested.