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Notes from the tool shop
Practical articles on mold design, simulation, surface finishes, cooling and materials, written by an injection mold maker.
Injection molding simulation: prediction vs. actual
How close Moldflow gets to the real part, and the seven factors that decide the accuracy.
Engineering plastics made in China: what it means for mold buyers
Why local compounding of PA, POM and TPE matters for molded part buyers.
Why mold makers team up: single-source tooling for buyers
What single-source tooling means for buyers, and how one supplier can cover design to production.
How surface textures for injection molding are made and measured
SPI polish grades, VDI EDM textures and etched textures, and how to specify them.
A colder injection mold doesn’t always mean colder parts
Why lowering coolant temperature does not always shorten the cycle.
Do you build hot runner plastic molds?
When a hot runner pays for itself, and which systems we fit.
Have a part that needs a mold?
Send a drawing and get engineering feedback with your quotation.