By far the majority of copper electrodes are manufactured on CNC machines these days (thankfully!), but the need for grinding copper electrodes still comes up frequently.

The main difficulty with grinding copper electrodes is the loading of the wheel and the burrs thrown up. There are several simple solutions to this problem.

With the proper technique you can even use fine wheels, such as a 120 grit aluminum oxide wheel to grind the copper electrodes. Find out just what the secret is by visiting our website:
Global Plastic Injection Molding

Do not skimp on the design

Some shops do not have an in-house designer and must outsource their design work. This is fine and works quite well- unless the boss decides to save money by cutting costs on the design. This is just asking for trouble.

Even with high-quality mold design, building an injection mould is fraught with potential problems. When the design is faulty or missing details it can eat up the profit margins very quickly. For example a simple feature like radii that interfere in a shut-off area can be very time consuming to troubleshoot and handwork at the end of the job.

The fit of precision holes to their components is another rather common omission in mold designs as well. Often this does not show up until assembly, at which time the mold maker must make new components or modify existing ones.

Another overlooked area is the draft angles of molding surfaces. The mold maker might not question the design when no draft is specified, and as a result, the part will not eject in molding. Draft angles are obviously much easier to the machine before the mold is finished!

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As a mold maker, I’ve never understood why some bosses are so reluctant to allow the mold maker five minutes to familiarize himself with the molded part he is about to build a mold for. This would save a lot of visualizing and guessing. It is always much easier to begin with the end in mind.

This seems so obvious, but it is rare that the moldmaker actually gets to see what it is he is making! It is almost as if somebody thinks it is cheating or something! Why not go ahead and give the poor guy an advantage? It only means higher productivity!

You can get the full story on the Ten Top Tips For Injection Mold Making from our website, check it out!