Finally, the plastic enters the mold, where it flows through channels ... amount of time to keep the cycle time low. Injection molded toy parts with runners intact Ejector pins are little pins ...

3D printing is all well and good if you want one of something, but if you want lots of plastic parts that are all largely identical, you should consider injection molding. You can pay someone to ...

Originally called "Automatic Binding Bricks," the company's trademark toy was invented in 1949, after the company got its first plastic injection-molding machine. LEGO was founded in 1932 in ...