#BESTPRACTICES

Injection Molding

Up to Snuff on Scientific Molding? Then it’s Time to Mold ‘Systematically’

Scientific molding is centered around learning about key molding principles and theories. The strategic application of those principles and theories is what’s known as systematic molding.
#scientificmolding #processingtips #bestpractices

Blow Molding

Conveyor Upgrade Keeps Currier on Track

Processor’s switch to modular plastic belt conveyors increased efficiency in bottle making by eliminating downtime.
#bestpractices

Injection Molding

Screw Wear: Understanding Causes, Effects, and Solutions

Here’s how to find out what’s happening to your screw and what to do about it.
#processingtips #bestpractices #screws

Resin Conveying

Switch to Centralized Vacuum Supply Saves Molder Energy, Boosts Production

Less maintenance means more time for processing, thanks to elimination of vacuum pumps at each press.
#planttour #bestpractices

Film Extrusion

Reducing Low-Level Background Gels in PE Film

While considered acceptable in many cases, they need not be tolerated and are usually attributable to minor screw-design flaws. Here’s some advice on what to do about them.
#processingtips #bestpractices

Injection Molding

Pellet to Gate Control: The Value of a Holistic View of Melt Management

Molders tend to think about the elements of a melt-delivery system, from screw to hot-runner gate, in isolation from each other. But taking an integrated view of the whole system can have big consequences for cycle time, part quality, scrap rates, and energy consumption.
#processingtips #bestpractices

Film Extrusion

Accredo’s Credo: Designed for Sustainability, Built for Success

In fewer than 10 years, Accredo Packaging has developed innovative packaging solutions—including the first-ever all-PE barrier standup pouch—while maintaining its commitment to being ‘green.’
#planttour #bestpractices #sustainability

Know How

Tooling: Why Ejector Pins Break And How to Prevent It, Part 2

Here’s the when and how to reduce the unsupported length of pins.
#bestpractices

Extrusion Know How

Extrusion: How to Estimate and Control Head Pressure

You rightfully worry about melt temperature, but don’t overlook head pressure, because the two are closely linked and will influence line performance.
#processingtips #bestpractices

Injection Know How

Injection Molding: Is There a ‘Most-Important’ Process Parameter?

A case can be made for multiple variables—fill balance, fill time, injection pressure, cavity pressure—as most important. But there is something else altogether that is essential to successful injection molding.
#scientificmolding #processingtips #bestpractices

Injection Molding

Improving Molding Process Capability: The Role of the Five Essential Pillars, Part 2

Each contributes to molded-part quality, and each must be optimized before production begins.
#scientificmolding #processingtips #bestpractices

Know How

Tooling: Why Ejector Pins Break...and How to Prevent It, Part 1

In part one of this four-part series, we focus on the molding machine and the ejection system as culprits.
#bestpractices

Injection Know How

Injection Molding: Fill Based on Volume, Not Weight

Most parts should be 90-99% full after first-stage—by volume not weight. Here’s why that’s important and how to make a first-stage-only part.
#scientificmolding #processingtips #bestpractices

Materials Know How

A Processor's Most Important Job, Part 7: Reviewing Crystallinity

There are several process-related issues that influence crystallinity besides cooling rate. Let’s examine a few.
#processingtips #bestpractices

Injection Molding

An Engineering Approach to Mold-Cooling Circuit Design

The Energy Density vs. ΔT/in. relationship is an important step forward in pursuit of a science-based approach to cooling-circuit design. Here’s why.
#bestpractices

Injection Molding

Industry 4.0 Gives DMT a Sharper Edge

Leading maker of blade sharpeners boosts productivity in captive molding with cutting-edge connectivity.
#planttour #bestpractices #industry4-0

Extrusion Know How

Extrusion: A Simple Way to Evaluate Your Screw Performance, Part 2

A hand-held calculator and some basic equations can help determine whether your screw is up to snuff.
#processingtips #bestpractices #screws

Injection Know How

Injection Molding: Safety First—Know the Compatibility of Different Resins

Certain materials don’t play well together when mixed. So it’s best not to. Here are some guidelines.
#scientificmolding #processingtips #bestpractices

Injection Molding

‘Intelligent’ Cooling Helps Molder Improve Productivity, Profitability & Quality

Cost-effective and user-friendly process-cooling system gives custom molder the ability to do more with less.
#planttour #bestpractices #technologyinaction