TOOLING KNOW HOW

The Impact of Hydraulics on Tool Design, Practical Uses -- Part 2 of 2

Here are more tips on using hydraulically actuated devices on your tools.

The Impact of Hydraulics on Tool Design -- Part 1 of 2

Get a better understanding of their use, proper sizing, and how the tool design and setup in the machine can impact failures in manufacturing.
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How to Select the Right Tool Steel for Mold Cavities

With cavity steel or alloy selection there are many variables that can dictate the best option.
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How Do You Estimate Cycle Time?

Molders price jobs based on estimated press time, and that is where you can either be very profitable or lose your shirt. But there’s a new, free resource to help you out.

Hot Runners: A View from the Bottom Up

Addressing hot-runner benefits, improvements, and everyday issues from the perspective of decades of experience with probably every brand on the market. Part 1 of 2.
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7/23/2021 |

80 Questions Moldmakers Should Ask Themselves … and Their Customers

If you’re a molder or brand owner/OEM, be ready to supply the answers before the program is launched.

Jim Fattori

How Many Parts Will My Mold Make? Part 1

Follow these guidelines to extend the life of a mold and reduce repair costs.

The Scoop on Screws

The kind used as fasteners in molds, that is. Here are some design considerations to help you choose and use the right ones.

Tunnel Gates for Mold Designers, Part 1

Of all the gate types, tunnel gates are the most misunderstood. Here’s what you need to know to choose the best design for your application.
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Cooling Geometry and the Reynolds Calculation

The original Turbulent Flow Rate Calculator worked well with a round circuit diameter, such as a drilled passage, but not as well using hydraulic diameters. Here’s how the problem was fixed.

What You Need to Know About Leader Pins and Bushings

There’s a lot more to these humble but essential mold components than you might suspect. Following the author’s tips could save much time, money and frustration.

What's Controlling Your Cycle Time: Part 3

Follow these guidelines to maximize your profits.

12/17/2020 |

Get Better at Quoting Injection Molded Parts: Part 2

Follow these detailed tips to get you the injection molding jobs you want. Here we factor in the costs of scrap and regrind, along with energy and certain additives.

Jim Fattori

How to Know the True Value of Conformally Cooled Injection Molds

What’s the return on investing in a new mold with conformal cooling to boost productivity? Will it pay for itself? How soon? Here’s a case study on how to answer those questions.