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Protolabs

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Latest Posts

Ejector pins are utterly vital to the process of creating injection moulded parts. If all goes well they barely leave a mark, but sometimes this is not the case. In this video we talk about how design and position can minimise this, considering shape and specific qualities of the part.

20240117-Protolabs Insight - Ejector Pins

A high-tech company in the field of infrared detection technology research, appointed us for the production of 200 sets of optical probe components. Due to their complex structures and undercut details, injection molding or CNC machining were not feasible.

Optical Probe From Concept to Reality

The sharp corners should be avoided in the plastic parts, as it can impede from plastic melt flow, causing flaws on parts. Meanwhile, stress concentration can be easily generated in the sharp corners and further reduces the strength of parts. Therefore, adding radii in sharp corners is suggested.

3 Design Tips about Sharp Corners in Injection Molded Parts