Tooling Know-How
TOOLING: Designing Molds for Easy Maintenance in the Press, Part 1
Attention to design of cooling, ejection, and slides can save downtime and maintenance headaches.
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TOOLING: Dealing with Lifters--Part 2
This installment delves into more detail on some variables of design and fitting/timing of the lifters, which can cause issues or failures during molding.
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TOOLING: Having Trouble with Lifters?
Lifters can cause tool maintenance, repair, and processing issues if not designed properly. Here we begin a series on how to avoid all this.
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TOOLING: How to Vent Mold Details
Principles to follow in venting bosses, ribs, pins, cores, slides, and lifters.
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TOOLING: Venting: Where And How Deep?
After last month’s introduction to the subject, let’s get into the details on vent depths, land lengths, and the alternatives to perimeter venting.
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TOOLING: Venting: A View From the Trenches
Venting is a prime culprit for molding problems, partly because toolmakers and process techs have different ideas of what’s needed.
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TOOLING: Clearing Up the Mysteries Of Mold Texture
It’s a subject not widely understood by molders and it affects more than just part appearance.
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TOOLING: What You Can Do About Mold Buildup
It depends on the materials and additives you use, and the kinds of mold detail, but adequate venting, not overheating the material, and mold coatings are your best defenses.
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TOOLING: Ejectors: Watch That ‘Unsupported Length’
It may be an unfamiliar term, but it’s the key to preventing ejector-pin deflection and breakage
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TOOLING: Designing the Tool for the Material
To design a mold for the widest processing window and the fewest problems, start by considering the conditions imposed by the material being run.
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