Tooling Know-How
Tooling: Hot Sprues—Mold a Disk or Not?
Having a hot sprue shut off against the parting line versus intentionally molding a thin disk has been the subject of controversy for many years.
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Tooling: Tunnel Gates for Processors, Part 2
What you need to know to overcome problems out on the production floor.
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How Sprue Pullers Help Prevent Molding Issues: Part 2
A vital secondary function of sprue pullers is to act as a cold well to trap solidified material left in the machine-nozzle tip.
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Injection Molding: New Mold Trial—Will It Run 24/7?
Use this nine-step process to make sure you’ll be making good parts after a successful trial. But even then, be prepared for some hiccups.
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Tooling: Know the Basics of Sprue-Puller Design
Sprue-puller designs are quite varied, and there are no firm rules to follow. But here are some important cautions and caveats to keep in mind.
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Tooling: Dealing with Sprue Bushings On the Production Floor
Causes of and solutions to some problems you probably deal with every day.
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Tooling: Critical Design Considerations for Sprue Bushings
Among them are good cooling, proper orientation, solid retention, structural integrity, generous radii, and an appropriately polished bore.
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Tooling: Reducing the Mass In Sprue Bushings
Important and frequently overlooked details of sprue-bushing design can improve the process and profits for an injection mold.
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Locating Rings, Platen Damage, and the Center of Gravity: Part 3
Selecting the right locating ring and putting it to good use takes careful consideration.
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Locating Rings and Platen Damage: Part 2
Selecting the right locating ring and putting it to good use takes careful consideration.
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