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Basics
To Cushion or Not To Cushion: That Is the Question
Whether or not your process setup includes adding cushion depends on multiple factors, including the part being molded. Learn when and how to effectively apply cushion in your process.
Process Monitoring or Production Monitoring—Why Not Both?
Molders looking to both monitor an injection molding process effectively and manage production can definitely do both with tools available today, but the question is how best to tackle these twin challenges.
Bulk, Solid and Melt Density: How to Calculate These Values and Why They Matter — Part 1 of 2
How much resin is contained within a bucket, gaylord or hopper? That depends on the bulk density — a figure you need to learn how to calculate due to its impact on everything from storage and conveying to drying and molding.
Important Factors and Approaches to Estimating Residence Time in Injection Molding
Residence time can have a dramatic impact on part quality and production efficiency but determining its value can be tricky. Use these methods and formulas to accurately measure residence time and enable it to inform everything from scheduling jobs to optimizing a process.
A Systematic Approach to Process Development
The path to a no-baby-sitting injection molding process is paved with data and can be found by following certain steps.
Get the Most From Fiber-Reinforced Thermoplastic Composites Parts
There are five specific areas that designers and manufacturers need to consider to realize the potential of these unique materials.
Our Editor's Top Reads
Automotive Awards Highlight Emerging Technologies
Lilli Manolis Sherman | Plastics Technology MagazineAnnual SPE Automotive event gives nods to several ‘firsts’ as well as sustainability.
Plastics Technology Year in Review: Your Favorite Reads of 2024
Sarah Barnett | Products Finishing, Plastics Technology, MoldMaking TechnologyA year-end review of the top stories showcasing industry trends, advancements and expert insights. Revisit the articles that captured the attention of the plastics community.
AMRs and Cobots Target Inspection, Palletizing and Movement of Finished Goods
Tony Deligio | Plastics TechnologyThe same year it marked its 70th year in business, custom injection molder Hoffer Plastics (South Elgin, Illinois) — which routinely reinvests more than 10% of its annual revenue back into new equipment — prioritized automation in that CapEx with some stunning results.
Injection Molded Enclosures Plug into Potential Electric Vehicle Battery Applications
Tony Deligio | Plastics TechnologyIn partnership with material suppliers, Engel is proving out injection molded thermoplastic-based concepts for electric vehicle battery housings, utilizing production tools and dedicated machines at its large press factory in St. Valentin, Austria.
Optimizing Pack & Hold Times for Hot-Runner & Valve-Gated Molds
Using scientific procedures will help you put an end to all that time-consuming trial and error. Part 1 of 2.
The Connector Conundrum: 3D Printed Mold Tooling’s Role in Innovation
Peter Zelinski | Additive ManufacturingReelView Fishing faced an electronics obstacle in the development of its new technology for underwater video. Additive manufacturing for moldmaking allowed for the speed necessary to iterate to a solution. How inventors and invention will benefit from new ways of obtaining production-ready tooling.
News and Products
Hole Filter for Demanding Melt Filtration Applications
Tony Deligio | Plastics TechnologyEspecially designed for use in machine nozzles and sprue bushings, Hasco’s H5055/… hole filter provides low pressure loss and high filtering performance.
Compact Solution for Two-Component Molding
Tony Deligio | Plastics TechnologyZahoransky’s new internal mold handling technology foregoes the time, space and money required for core-back, rotary table or index plate technologies for 2K molding.
Ether-Based TPUs for Broad Range of Industry Applications
Lilli Manolis Sherman | Plastics Technology MagazineBASF’s Elastollan 1400 TPU series can be used for applications ranging from railway pads, hoses and profiles to show soles.
All-Electric Injection Molding Machine Line Expands
Tony Deligio | Plastics TechnologyFakuma 2024: Engel unveils new e-mac 500 with “High” clamping drive and encapsulated toggle-lever mechanism.
Insight Polymers & Compounding Unveils New Conductive Products Line
Lilli Manolis Sherman | Plastics Technology MagazineThe new conductive products line will also be produced for injection molding and extrusion.
Self-Learning Control Algorithm for Temperature-Controlled Hot Runner Balancing
Tony Deligio | Plastics TechnologyAt Fakuma 2024, Kistler presents the new ComoNeo 7.0 process-monitoring system with the Multiflow 2.0 feature update for consistent temperature control in multicavity molds.