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Optimized Molding Is Only Possible With Efficient Material Drying, Handling

By: Tony Deligio 2. March 2016

Injection speed and overall cycle time are often the focus for molders pursuing optimized processes, but for truly efficient production, molders should consider how and in what state material arrives at the machine.

 

Underlining the importance of what happens to resin before it hits the hopper, Molding 2016 (March 29-31, New Orleans) features a full session dedicated to material drying, blending and handling, indicating the importance of drying and delivering material in the injection molding process.

 

Minimizing costs, optimizing handling, matching material handling to the application, 21st century machine communication, closed loop software to fool proof recipes and working with difficult-to-convey resins are among the topics to be tackled in the Material Drying/Blending/Handling session at the Molding 2016 Conference & Exhibition.

 

An industry consultant and various product and process experts from industry-leading material drying and conveying equipment suppliers will be among the presenters representing market leaders like Conair, Novatec, and Universal Dynamics among others.

 

Check out the complete session below and remember to register by March 3 to save on your own (or if you come with coworkers) colleagues’ registration.

 

MATERIAL DRYING/BLENDING/HANDLING

 

Pete Stoughton, consultant (long-time former Conair drying expert)

Minimizing the Costs of Polymer Drying

 

Mark Haynie

Novatec

How to Choose the Best Dryer for the Application and Conveying

 

Bill Goldfarb 
Universal Dynamics

Validated, Automated and Optimized Material Handling and Conditioning

 

Chuck Morgan
Conair

21st Century Machine Approaches to Machine Communication

 

Jim Zinski

Novatec

Solutions for Difficult-to-Convey Resins

 

Alan Landers, product manager for blenders
Conair

Closing The Loop: Common-Sense Software to Track Material Consumption, Recipe Proofing and More

Calculate Your Shot Size and More, Live

By: Tony Deligio 24. February 2016

At least once a week, I get a request for the shot-size calculation spreadsheet included in this article by Plastics Technology columnist, John Bozzelli.

 

Calculate Shot Size Vs. Barrel Capacity

 

In journalism speak, this article would be what’s considered “evergreen content”; that is content that doesn’t have a published shelf life but instead has ongoing relevance to a readership. Published in October 2011 and approaching five years on Plastics Technology’s shelf, the article definitely remains relevant.

 

Next week in Wood Dale, Ill. you can hear from Mr. Bozzelli in person. From March 1-3, John will be hosting a press-side training seminar, Process Development for Medical Validations. In addition to the basics of calculating a shot size given a certain barrel size, John will answer questions and cover topics, including:

 

Why do parts vary after you have done all the validation work?

Do you get good data and value from your DOE’s or are they simply done for the sake of doing them?

Are you getting your money’s worth for the time and metrology work?

The role process development has in validations.

How to separate “Machine Variables” vs. “Plastic variables”.

Understanding normal process variances and how to deal with them.

Sensing process changes, as they occur, not after two hours of wasted production.

Getting the Validation, Quality, Processing and Management teams on the same page.

 

Register today and get your evergreen content in person.

 

Photo courtesy Purgex Purging Compounds.

Tool Time at Molding 2016

By: Tony Deligio 17. February 2016

Plastics might replace metals in various applications, but in injection molding those parts require steel-based tools to be created, putting molds, and metal, at the center of the process.

 

At Molding 2016 (March 29-31; New Orleans) maintenance, hot runners (advanced monitoring and sequential valve-gating), 3D scanning, spot cooling, multicomponent mold transfer, tungsten carbide core pins and the economics of offshore tooling are all on tap in a special Tooling-focused session.

 

Speakers in the session hail from molders, moldmakers, hot runner suppliers, component suppliers and an inspection firm, giving attendees a broad perspective from across the tooling supply chain with presentations that touch on all segments of a tool’s life from and design and operation to maintenance and inspection.

 

To mold plastic parts, you need to cut steel—find a better way at Molding 2016:

 

Molding 2016 Tooling Session

 

Randy Kerkstra, Plastics Technology columnist and tooling manager for a large, multi-plant molding company

Designing Molds for Easy Maintenance in the Press

 

Dave Morton, VP sales hot runners Americas, Husky

Take Better Control of Your Molding Process with Advanced Monitoring Systems

 

John Blundy, HRS North America

Improving Surface Finish and Part Performance Through Sequential Valve-Gate Injection Molding

 

John Krieg, Rapid Inspection, LLC

How 3D Scanning Technology Can Save Time in Qualifying Molds and Process

 

Scott Kraemer, PTI Engineered Plastics

The Value of Hybrid Additive Manufacturing and Spot Cooling in Injection Molding

 

Alan Trojanowski, Zahoransky USA, Inc.

Precision in Multi-Component Mold Transfer Adds Value

 

Darcy King, Unique Tool & Gauge

The True Cost of a China Mold

 

David LeMaistre, Crafts Technology

Faster Cooling with Tungsten Carbide Core Pins

From Cobots to Cartesian to Cells: Molding 2016 Has Automation Covered

By: Tony Deligio 10. February 2016

The reasons for, methods to and technology available for injection molders to automate their processes continue to evolve.

 

Molding 2016 will feature a five-speaker session focused on automation and representing the entire robotic supply chain. Called “Adding Value Through Automation, Assembly and Packaging,” the session will feature speakers from automation, molding machine and cell suppliers, as well as an injection molder using automation to tack on value added operations of packaging and fulfillment.

 

On the automation supply side, Jim Healy, VP of sales and marketing at Sepro America, will help attendees “Reimagine What a Robot Can Do.” The global company with U.S. offices outside Pittsburgh and headquarters in France has extended its automation offerings to include highly automated cells (read more here).

 

Cobots, or collaborative robots, will be the focus for Carl Palme of ReThink Robotics. In February, Plastics Technology tackled this new concept in automation, and Palme will expand on that further with case studies of how cobots can enable advanced manufacturing.

 

Bill Egert, Logic One Robots, an integrated supplier of robotics, machine controls and software will extend the concept of “lean” to automation, discussing finding value while cutting waste with robotics. Mike Fil of injection molder Extreme Molding will discuss the skills and equipment needed to extend molding operations to include packaging and fulfillment.

 

Finally, Michael Stark of robot, auxiliary and injection molding machine supplier Wittmann Battenfeld will present a paper entitled “Integrated, Traceable, Automatic Flow Control for Your Tooling and Process.”

Register for Molding 2016 (March 29-31, New Orleans) today!

ADDING VALUE THROUGH AUTOMATION, ASSEMBLY, PACKAGING

 

Jim Healy, V.P. Sales & Mktg, Sepro America

Re-Imagining What a Robot Can Do

 

Bill Egert, Logic One Robots

‘Lean’ Automation – Finding Value, Cutting Waste & Perfecting Process With Simple Robotics

 

Carl Palme, ReThink Robotics

Collaborative Robots Enable Advanced Manufacturing

 

Mike Fil, Extreme Molding

Extending the Value Chain to Include Packaging and Fulfillment to Effectively Compete and Win Against Chinese Molders

 

Michael Stark, Wittmann Battenfeld

Integrated, Traceable, Automatic Flow Control for Your Tooling and Process

 

Innovative Materials Open Up New Markets for Injection Molding

By: Tony Deligio 27. January 2016

Light-emitting diodes, bipolar car battery plates, advanced medical components—new opportunities in these applications and more are coming to injection molding thanks to advances in materials.

 

Those material developments will be a key component of the upcoming Molding 2016 Conference & Exhibit (March 29-31; New Orleans), with presentations spanning everything from liquid silicone rubber (LSR) and recycled resins to polycarbonate, conductive plastics and copolyester. End markets discussed will range from consumer goods and electrical/electronic to medical and automotive.

 

Plastics In a New Light
So varied and numerous are the opportunities for molded plastics in next-generation LED lighting that Molding boasts three different presentations on the topic covering materials from LSR and polycarbonate to specialized compounds. Presenting companies in New Orleans will include LSR equipment manufacturer Elmet, plastics manufacturer Covestro, and specialty compounder PolyOne.

 

Elmet’s Kurt Manigatter will focus on high-power LEDs and materials used for encapsulating semiconductor chips therein, which are subjected to high temperatures and UV radiation. Manigatter will discuss how Elmet developed a highly integrated injection molding process for the production of combined LED primary and secondary optics.

 

Covestro’s Terry Davis will discuss the new challenges created by LED lighting and how polycarbonate (PC) is meeting those demands thanks to its inherent impact resistance, flame retardance and dimensional stability. In particular, Davis will address how a new series of PCs offers lower radiation absorption in certain wavelengths and discuss a post-molding infusion process to further mitigate the potential for yellowing. Davis will also look at the challenge for injection molding thick optics, since many LED applications require dimensions outside common guidelines. Specifically, he will explain a technique for multi-layer molding of thick-walled lenses that improves quality without negative impact to cycle times.

 

PolyOne’s Eduardo Alvarez will talk about how despite the market potential for LED lighting, the technology’s price premium could inhibit its growth. One potential solution: swapping out more expensive materials with plastics. To that end, PolyOne has created a polymer conversion roadmap that it says will not only make the lighting more affordable but also lower its weight and improve design freedom. Lenses have been the starting point for conversion, with acrylic or PC replacing glass in luminaire designs. Alvarez will look at how engineered polymers are tackling three additional luminaire components.

 

Rethinking Car Batteries
The light-weighting push in the automotive industry has extended to all components and systems within vehicles and thanks to conductive plastics it could soon touch the lead-acid battery. Doug Bathauer of Integral Technologies will discuss how his company has applied injection molded electrically conductive hybrid plastics in a polymer-based bipolar plate that he says can not only improve the performance of lead-acid batteries, but also cut battery weight and size by more than 50%. 

 

Simulation, Recycled Plastics and High-Cavitation Medical Applications
Other material-centric presentations at Molding 2016 will include an examination of simulating the molding of LSR in a demanding application featuring Matt Proske of Sigmasoft and Oliver Franssen of Momentive. The speakers note that the evolution of advanced simulation technologies allows “detailed process analysis and helps engineers to push the limits.”

 

Grant Gilmore of resin recycler Butler-MacDonald is hoping to convince molders who might have had mixed experiences with recycled plastics to take another look. Gilmore will present on how the reprocessing industry has leveraged new technology and processes that “allow molders to recover high purity pellets or regrind from materials that many think are not recyclable…the technology exists now that can allow you to realize the return of material that rivals the quality of prime resin.”

 

Finally, Steven Givens and Tom Meehan of Eastman Chemical Company will present a detailed case study covering the validation of the company’s Tritan copolyester in high-precision multi-cavity hot runner medical molds. Working with Milacron, Prestige Mold and Pres-Tek Plastics, Eastman has designed, built and run a 32-cavity valve-gated hot runner mold to process standard flow, high flow and high temperature medical grades of Tritan without modification to the tool.

 

Is there a new material answer to a gnawing injection molding problem you’re facing? Register today for Molding 2016 and see how the latest polymer tech could help your business. (Image courtesy PolyOne).




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