A 360-degree look at resin conveying systems: types, operation, economics, design, installation, components and controls.
This Knowledge Center provides an overview of resin moisture and the drying process, including information on the best drying practices for your manufacturing facility. Medical Components Mould
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Combat the skilled labor shortage using this comprehensive resource to train your own plastics processing experts.
Deep dive into the basics of blending versus dosing, controls, maintenance, process integration and more.
This Knowledge Center provides an overview of the considerations needed to understand the purchase, operation, and maintenance of a process cooling system.
Learn about sustainable scrap reprocessing—this resource offers a deep dive into everything from granulator types and options, to service tips, videos and technical articles.
Despite price increase nominations going into second quarter, it appeared there was potential for generally flat pricing with the exception of a major downward correction for PP.
First quarter was ending up with upward pricing, primarily due to higher feedstock costs and not supply/demand fundamentals.
Despite earlier anticipated rollover in prices for most of the volume commodity resins, prices were generally on the way up for all going into the third month of first quarter.
While price initiatives for PE and PVC were underway, resin prices had rollover potential for first two months of 2024, perhaps with the exception of PET.
Flat-to-downward trajectory for at least this month.
A mixed bag, though prices likely to be down if not flat for all this month.
Resin drying is a crucial, but often-misunderstood area. This collection includes details on why and what you need to dry, how to specify a dryer, and best practices.
Take a deep dive into all of the various aspects of part quoting to ensure you’ve got all the bases—as in costs—covered before preparing your customer’s quote for services.
In this collection of articles, two of the industry’s foremost authorities on screw design — Jim Frankand and Mark Spalding — offer their sage advice on screw design...what works, what doesn’t, and what to look for when things start going wrong.
In this collection, which is part one of a series representing some of John’s finest work, we present you with five articles that we think you will refer to time and again as you look to solve problems, cut cycle times and improve the quality of the parts you mold.
Gifted with extraordinary technical know how and an authoritative yet plain English writing style, in this collection of articles Fattori offers his insights on a variety of molding-related topics that are bound to make your days on the production floor go a little bit better.
In this three-part collection, veteran molder and moldmaker Jim Fattori brings to bear his 40+ years of on-the-job experience and provides molders his “from the trenches” perspective on on the why, where and how of venting injection molds. Take the trial-and-error out of the molding venting process.
Mike Sepe has authored more than 25 ANTEC papers and more than 250 articles illustrating the importance of this interdisciplanary approach. In this collection, we present some of his best work during the years he has been contributing for Plastics Technology Magazine.
In this collection of content, we provide expert advice on welding from some of the leading authorities in the field, with tips on such matters as controls, as well as insights on how to solve common problems in welding.
Mold maintenance is critical, and with this collection of content we’ve bundled some of the very best advice we’ve published on repairing, maintaining, evaluating and even hanging molds on injection molding machines.
Thousands of people visit our Supplier Guide every day to source equipment and materials. Get in front of them with a free company profile.
NPE2024: Following the company’s recent partnership buyout, new North American geographic territories are in its sight.
New materials and machinery offer processors the means to run their businesses more efficiently and more inline with the circular economy. But you have to say yes.
Firing up a cold blown-film line after a shutdown involves multiple pieces of equipment that all interact. Here’s a look at those components individually and some best practices on how to get your line up and running as quickly and safely as possible.
NPE2024: Purgex team hosting technical seminars throughout the show with industry pros.
NPE2024: Advancements and forward-thinking initiatives in plastics manufacturing will be highlighted.
Plastics processing activity didn’t make its way into expansion territory in March, but seems headed in that direction.
Beyond Plastic and partners have created a certified biodegradable PHA compound that can be injection molded into 38-mm closures in a sub 6-second cycle from a multicavity hot runner tool.
There are many things to consider, and paying attention to the details can help avoid machine downtime and higher maintenance costs. In this installment, the focus is on design and placement of sucker/puller pins.
Despite last-minute design changes and other unexpected roadblocks, thermoformer TriEnda works with a key supplier on innovative reusable shipping container.
NPE 2024: Teknor Apex discusses its recyclable thermoplastic elastomers and much more between Tuesday and Thursday
Topping five other entries in voting by fellow molders, the Ultradent team talks about their Hot Shots sweep.
Serendipitous Learning Opportunities at PTXPO Underscore the Value of Being Present.
Introduced by Zeiger and Spark Industries at the PTXPO, the nozzle is designed for maximum heat transfer and uniformity with a continuous taper for self cleaning.
Ultradent's entry of its Umbrella cheek retractor took home the awards for Technical Sophistication and Achievement in Economics and Efficiency at PTXPO.
technotrans says climate protection, energy efficiency and customization will be key discussion topics at PTXPO as it displays its protemp flow 6 ultrasonic eco and the teco cs 90t 9.1 TCUs.
Shibaura discusses the upcoming Plastics Technology Expo (PTXPO) March 28-30
Manufacture of several core products, including specific models and sizes of injection molding machines, automation and auxiliaries have shifted out of Austria and into Hungary, Bulgaria and Turkey.
NPE2024: The competition is a collaboration between Hillenbrand, Net Impact and Coca Cola.
The Austrian maker of injection molding machines and automation announced at NPE2024 that it will establish optimized sales, logistics and production structures for its three major regions: Europe, Asia and America.
The Miami-based supplier of various plastics technologies also featured a melt-temperature testing system, closed-loop cooling manifolds and its successful mold crane offering.
The Korean maker of injection molding machines featured eight machines in its nearly 14,000-square-foot booth with additional presses at Yushin and Incoe’s booths, as it targets 20% market share.
Wolfgang Meyer, a German mechanical engineer and industry leader whose contributions to plastics machinery have shaped the industry. Inducted into the Plastics Hall of Fame in 2024, Meyer’s work in injection molding, blow molding and sustainability has left an enduring legacy.
Mixed in among thought leaders from leading suppliers to injection molders and mold makers at the 2023 Molding and MoldMaking conferences will be molders and toolmakers themselves.
After successfully introducing a combined conference for moldmakers and injection molders in 2022, Plastics Technology and MoldMaking Technology are once again joining forces for a tooling/molding two-for-one.
Multiple speakers at Molding 2023 will address the ways simulation can impact material substitution decisions, process profitability and simplification of mold design.
When, how, what and why to automate — leading robotics suppliers and forward-thinking moldmakers will share their insights on automating manufacturing at collocated event.
As self-imposed and government-issued sustainability mandates approach, injection molders reimagine their operations.
August 29-30 in Minneapolis all things injection molding and moldmaking will be happening at the Hyatt Regency — check out who’s speaking on what topics today.
Get your clicking finger in shape and sign up for all that we have in store for you in 2023.
Molding 2023 to take place Aug. 29-30 in Minnesota; Extrusion 2023 slated for Oct. 10-12 in Indiana.
You likely either know a company who uses dry ice to clean or perhaps you are considering investing in the process. This webinar is your opportunity to gain insight into the science and data behind the process. Cold Jet will share independent testing studies; customer studies, testimonials and case studies; and governmental position statements. It will also review the most common application in plastics — cleaning various types of molds — and why utilizing microparticle dry ice is so popular. Agenda: Dry ice blasting and how to adapt to various applications Insight to the non-abrasive claims of dry ice blasting Where in plastics it is most used: videos and case studies Monitoring the process for data-driven decisions
Cooling time is typically the longest step of the molding process. How can you make it more productive? Learn how cooling time can be turned into production time by running two molding processes simultaneously on a single molding machine. For longer cycles, this can mean twice the productivity. In this webinar, you'll learn more about the Shuttle Mold System and how to calculate its potential productivity impacts for your application. Agenda: Learn how the Shuttle Mold System can deliver value to your business See the recent technical updates made to the system Calculate the potential impact on productivity
Discover possible applications in large format printing including layup tools, transport modules, film fixation devices, design components and enclosures. These are used in various industries such as automotive, aerospace, architecture and many others. Agenda: Possible applications in large format printing: layup tools, transport modules, film fixing devices, design components and enclosures. Process reliability and component quality in component production Pros and cons of the technology Sneak peek into current development projects—What will the large format printing of tomorrow look like?
In this webinar, Cold Jet will discuss some of the ways processors use dry ice such as in-machine mold cleaning at operating temperatures, de-flashing or de-burring parts, improving OEE scores, extending mold life, cleaning parts before painting, post-processing 3D printed parts, lowering GHG emissions, and monitoring and reporting the process. Agenda: Cold Jet Overview & Dry Ice 101 Understanding the Process and Fine-Tuning Techniques Case Studies: Applications in Plastics Monitoring the Process Exploring the Importance of Dry Ice Cleaning in an ESG Era
Finding it hard to get technical talent? Experiencing the pain of a knowledgeable, long-term employee's retirement? Learn how plastics processors are training generative AIs on their operations and unlocking the value from their tribal knowledge. Plastics processors are training generative AI models on their operations — from machine manuals to tools, polymers, procedures, maintenance records and engineering projects. Applying generative AI in the right ways can lower plastics processors' costs, improve overall equipment effectiveness (OEE) and upskill teams. In this webinar, you'll learn how to deploy AI technical assistants to your teams, what works and what doesn't, and how to use AI to build an organization that never loses tribal knowledge and fosters inter-team collaboration. Agenda: What is generative AI and how can its cognitive abilities be applied to plastics? Case study: how an injection molder trained a large language model on manuals and maintenance records to reduce downtime Case study: using generative AI in engineering teams to improve product development Live demonstration of a generative AI deep-trained on plastics knowledge Looking to the future: five predictions for an AI-augmented workforce in plastics
Turnaround time can be as low as 24 hours, although two or three days might be more typical. Rapid prototyping like this is especially useful to quickly identify critical end-use part geometries that will work in the molding process. Key components include material choice, 3D printing technology selected, use of adaptable mold bases for the mold inserts and implementation of appropriate injection molding process conditions. This presentation will review work conducted toward the assessment of a high-stiffness, high-temperature-resistant ceramic modified urethane acrylate for injection molding inserts. Agenda: Guide for 3D-printed injection mold inserts Optimization of digital light processing (DLP) printing Compatibility with various thermoplastics Real-world application success stories
As an annual conference and supportive community, Moms in MFG is designed exclusively to support working parents and caregivers in manufacturing. Moms in MFG is dedicated to empowering and connecting moms and caregivers in manufacturing. In addition, it aims to assist manufacturing companies in discovering how they can provide the necessary support and create a nurturing environment for caregivers in manufacturing. Through valuable content, networking opportunities, and collaboration with fellow industry professionals, Moms in MFG celebrates the unique journey of moms and caregivers in manufacturing.
The Society Plastics Engineers (SPE) Extrusion Division and the SPE Eastern New England Section will co-host the Screw Design Conference-Topcon on June 19-20, 2024 @ UMass Lowell in Lowell, MA. This highly technical program will focus upon screw design principles for single and twin screw extruders with wide ranging topics relating to screw designs for feeding, melting, mixing, venting and pumping plastics products and parts. Areas of focus will include screw designs for melt temperature and gel management, gel minimization, bioplastics, recycled materials and foaming. In addition to the technical sessions, a tour of the UMass Lowel Plastics Processing Laboratories will be integrated into Day 2 of the event. This program is not just for screw designers, but to help anyone responsible for any type of extrusion operation to evaluate existing extrusion equipment; and also to prepare for future projects. Price to attend: Less than $1000! Registrations will be accepted in early 2024. Call for papers – To be considered to give a presentation, please submit a talk title and abstract on or before December 15 to: Technical Chair: Eldridge M. Mount III, e-mail emmount@msn.com Corporate sponsorships - A limited # of corporate sponsorships (15) are available on a 1st come basis. Included is a 6’ tabletop display (must fit on table), denotation in all promotional activities, and 1 no charge registration. To become a sponsor contact: Charlie Martin, Leistritz Extrusion, e-mail cmartin@leistritz-extrusion.com, cell 973-650 3137 General information: A reception on Day 1 and a tabletop display area will allow the attendees to meet and discuss state-of-the-art screw technologies with industry experts. The SPE Extrusion Division will issue a “Screw Design Certificate” to all participants who have attended the program. Students are encouraged to attend and will receive a discounted rate. For additional information contact: Program Chair: Karen Xiao, Macro Engineering, KXiao@macroeng.com
Debuting in 2010, the Parts Cleaning Conference is the leading and most trusted manufacturing and industrial parts cleaning forum focused solely on delivering quality technical information in the specialized field of machined parts cleansing. Providing guidance and training to understand the recognized sets of standards for industrial cleaning, every year the Conference showcases industry experts who present educational sessions on the latest and most pressing topics affecting manufacturing facilities today. Discover all that the 2022 Parts Cleaning Conference has to offer!
Presented by Additive Manufacturing Media, Plastics Technology and MoldMaking Technology, the 3D Printing Workshop at IMTS 2024 is a chance for job shops to learn the emerging possibilities for part production via 3D printing and additive manufacturing. First introduced at IMTS 2014, this workshop has helped hundreds of manufacturing professionals expand their additive capabilities.
Formnext Chicago is an industrial additive manufacturing expo taking place April 8-10, 2025 at McCormick Place in Chicago, Illinois. Formnext Chicago is the second in a series of Formnext events in the U.S. being produced by Mesago Messe Frankfurt, AMT – The Association For Manufacturing Technology, and Gardner Business Media (our publisher).
True to the adjective in its name, Dynamic Group has been characterized by constant change, activity and progress over its nearly five decades as a medical molder and moldmaker.
Covering 23,500-ft2, Dynamic’s molding operation has 80 employees and ui ISO 13485 certified and FDA registered. Photo Credit: Dynamic Group
In an age where virtually everybody carries a device on their person that makes them instantly reachable, the rationale for a public address (PA) system has waned. Have a companywide message? Send a companywide email. Need to immediately get the attention of a specific worker? Send him or her a text.
While PAs have fallen into disuse at many businesses, at the Dynamic Group, the chirp as its broadcast system turns on remains a familiar sound. But instead of announcements seeing who left on the lights of their vehicle or forgot their phone in the bathroom, at Dynamic, the PA crackles on and strains of the English rock band Motörhead come across the speakers.
While there are certainly music lovers at the Minnesota-based injection molder and moldmaker, the reason “The Ace of Spades” might be playing isn’t about rock appreciation, in this case, it’s about the company’s continuous improvement (CI) plan. “When someone suggests an improvement,” Joe McGillivray, Dynamic’s CEO and owner, explains, “an audio clip that represents their team would play over the speaker, so everybody else in the company knew Team Motörhead had put another suggestion in.”
“The company looks completely different because the smartest people and the people that know the most about the business are making the changes on their own.”
It’s not just the CI program that makes use of the PA system. Dynamic also instituted a “Code” initiative where the speakers are used for companywide alerts. A Code Orange notifies an internal team to an instance of rework. “A button is pushed, and ‘Code Orange’ comes over the speakers,” McGillivray says. “A certain set of individuals would have to drop whatever they’re doing, go to a central location and start a formal process of identifying what Dynamic is going to do at this moment to deal with the problem.”
Now in its second generation after it was founded in 1977 as a toolmaking shop by Joe McGillivray’s father Peter and his partner David Kalina in the latter’s basement, Dynamic Group continues to involve and improve, including starting and then closing a separate quick-turn and prototype tooling business. There’s always been a focus on medical and molding throughout, whether for sampling tools or running production. Leaning into listening to its employees’ insights about the business (including through the CI program) has brought about fundamental, positive change, according to McGillivray.
“We’ve had thousands and thousands and thousands of improvements,” McGillivray says. “The company looks completely different because the smartest people and the people that know the most about the business are making the changes on their own.”
Dynamic Group estimates that its Continuous Improvement program has netted 1,200 improvements over the last 10 years, but the impact in many ways is immeasurable. Photo Credit: Dynamic Group
Dynamic’s CI and Code programs were both born out of visits with other manufacturers, as the company sought to learn from the best practices of contemporaries and apply them within their own business. It was during a tour of a printing company when second-generation owners Steve and Brian Kalina realized there was a better solution to the standard “suggestion box” many businesses use to encourage employee feedback. “While everybody who puts out a suggestion box has extremely good intentions, sometimes the suggestions are so far outside of their areas of expertise that it becomes very difficult to respond to them in an efficient and effective manner,” McGillivray says.
Steve and Brian were so impressed with the printing company’s solution, that they eventually brought nearly all of Dynamic’s employees through the facility. When Dynamic embarked on its own CI program, it split the company’s two buildings — one dedicated to molding (Ramsey, Minnesota) and one to moldmaking (Coon Rapids, Minnesota) — into six teams per building, including the aforementioned Team Motörhead — with competitions between the teams (at one point the contests were between buildings but now are mostly within the individual sites).
These days there’s a draft process each year where team members are selected over pizza and drinks, but initially to keep things simple, teams were composed of departments and suggested changes were restricted to their own day-to-day tasks. That wrinkle has since evolved.
“If it’s something you can put in place on your own with very little time and effort ... just do it.”
“As we’ve matured as an organization,” McGillivray says, “we all understand that when someone’s trying to make a suggestion, it’s for the betterment of everybody. Not because we don’t think you’re doing a good job, but because we think this will be helpful to all of us.”
Weekly meetings helped the company keep tabs on the changes that had been suggested and completed, and eventually, a new term for quick fixes was developed: “Just Do Its.” More complex proposed changes might require a large investment in time and money, with a team leader making a presentation to a manager and undertaking a formal project, but other changes are more straightforward. “If it’s something you can put in place on your own with very little time and effort,” McGillivray says, “as long as the rest of the group agrees that it’s a good change: just do it.”
Well over 90% of Dynamic’s business in molding and moldmaking is derived from the medical market. Photo Credit: Dynamic Group
Over time, the teams became more empowered, and the vast majority of the alterations made by Dynamic fell into this category. “Honestly, it’s shocking how many gigantic changes you can make without the need to involve higher level management,” McGillivray says, “especially when you’re talking about things like 5S.”
Among the most impactful changes to come out of the CI program was shifting secondary operations from beside the press to their own dedicated room. This space had additional lighting, racks for incoming/outgoing work-in-progress, and all the necessary tools, parts and instructions. “None of that was done with any management influence or participation,” McGillivray says. “They just did it on their own. The work and the efficiency continue to grow.”
To date, McGillivray only has one regret involving the program. “I wish we would have started putting little neon-orange dots at the location of a change or improvement,” McGillivray says. “Our company would be covered in them — they would be everywhere.”
Dynamic’s Code system of companywide alerts came out of a tour of a diesel engine remanufacturer. That company had struggled with scrap and rework, and instituted the program to not just address an issue but to find and eliminate its cause. “People were never really looking at how often they were having this problem and why — never getting to the root cause,” McGillivray says. “So, they were continually having high levels of rework and doing some of the same rework over and over.” The diesel engine company adopted the Code system Dynamic uses today, with issues addressed immediately, regardless of impact on other projects. “It was a giant commitment for them,” McGillivray says, “and it made their productivity go down for several weeks, but very quickly they started seeing less rework.”
Dynamic took the same approach and saw similar results. “We have a very, very good handle on the sources and causes of scrap, and we attack them extremely systematically,” McGillivray says. “Our team also understands that when there is scrap or rework needed, it’s almost never because someone did something wrong. It’s because the system wasn’t strong enough to prevent an easy human mistake from causing the problem.”
“We realized a lot of our scrap and rework was the result of incomplete training.”
The various codes that Dynamic has adopted over the years include: Code Black (notified by a customer that they believe something sent to them doesn’t meet spec). Here, if there truly was an issue, Dynamic finds the cause and eliminates the potential for a repeat offense. If there actually wasn’t a mistake, the company strives to get on the same page with the customer about what constitutes a good vs. bad part. Code Purples are instances where the company didn’t necessarily fail to satisfy specifications, but it might have not met expectations. Dynamic’s favorite? Code Green. “That’s when a customer says great job,” McGillivray says, and the alert broadcasts over the speakers. “Code Green, it says, and everybody goes, ‘Oh good, customers like us.’”
Dynamic has 20 injection molding machines, most in the 30- to 150-ton range, with one 400-ton press, molding roughly 600,000 parts/month over three shifts five days/week. Photo Credit: Dynamic Group
Over the years and through an analysis of the various codes, Dynamic determined the root cause at the base of many other root causes: incomplete training. As do many molders, the company often deploys contractors for simpler tasks around the plant, transitioning these people into longer term operator roles if they prove adept, with their numbers ebbing and flowing as orders do. To help these and other individuals succeed and reduce the number of Code Oranges and Blacks, Dynamic employs a dedicated full-time trainer on all shifts to continue teaching new employees, while also updating the knowledge of existing employees.
“We realized a lot of our scrap and rework was the result of incomplete training,” McGillivray says. “We found that having someone who is gifted at helping people learn quickly and designing educational programs would have a giant return. As a result, we’ve seen our first-pass yield go up dramatically, and the proportion of rework do down dramatically. We’ve also seen retention of employees go up, as well as the conversion of contractors to full-time employees.”
Back in 1977, working as a toolmaker, Dave Kalina simultaneously knew that he wanted to start his own moldmaking business and that he didn’t want to do so on his own, so he surveyed his colleagues for possible partners. “[Dave] looked around and said, ‘Who else is really, really good in this job,’” McGillivray says, “and I think my dad was honored to be asked, and personally, as my dad’s son, I think Dave made the right choice.”
Dynamic has a Class 7 cleanroom, as well as a Class 8 cleanroom tent, each housing two presses and assembly areas. Photo Credit: Dynamic Group
As Dave and Joe’s father, Peter McGillivray, found success in toolmaking, they wondered that if their customers were doing so well running the molds they make, could they possibly do so as well? In cases where mold changes were needed, they also saw how expensive the delays were that came from shipping tools back and forth to either coast where many of their medical customers were. Sampling tools in Minnesota on in-house presses would eliminate that issue, and Dynamic Engineering was created.
On a business trip to Switzerland to research wire EDMs, they were able to tour a highly successful moldmaker that had six molding machines for sampling. Impressed and motivated, the partners came back to Minnesota determined to invest in injection molding machines. They discovered there was a lot of local demand for quick-turn and prototype tooling and created Dyna-Plast in 1994 knowing that the rapid turnaround customers would place a high value on sampling, requiring a high number of samples annually. Presses used for these tools could also be used to sample the production tools for which Dynamic Engineering was known.
Dyna-Plast was set up as a separate company because the founders realized they might have an opportunity to get into bridge and short-run and/or production molding, and they didn’t want to scare Dynamic Engineering’s customers away by appearing to become competitors. McGillivray notes that the original business plan did not include a road map to get into molding, just an awareness that having good sampling capabilities would probably make getting into selling molded parts fairly easy. The company was also separate because successes as a quick-turn moldmaker required a very different approach from Dynamic Engineering’s; it called for its own culture, brand and processes.
Overall, the quick-turn business was successful, but there were times that working with startup medical device companies proved challenging. “Our customers were very happy with the lead times and prices on the tooling,” McGillivray says, “but sometimes those companies never made it to production or it just took way longer than anticipated.”
In 2008, Dynamic decided to stop marketing the fast turn and prototyping part of the business. “It just wasn’t making money,” McGillivray says. “We continued to inadvertently fund small startup medical device companies through the engineering phase.” At this point, the present-day Dynamic Group was born, with Dyna-Plast and Dynamic Engineering combined into one business, albeit in two distinct buildings 10 miles apart.
In 2016, the day-to-day operations of Dynamic Group were transferred to the second generation: Joe McGillivray along with Brian and Steve Kalina. As that group stepped up, McGillivray says the challenge has been shifting from a small- to a medium-sized business and one where the owner is at the center, making all the big decisions, to hiring and supporting individuals to run departments and steer the business.
“I think that’s one of the biggest challenges for any small family-owned business: transitioning from an owner-operator being at the center of everything to learning how to find, hire and support fantastic managers that can run departments or parts of your business better than you ever could,” McGillivray says. “That’s the big transition we’re going through as an organization, and I am as a person as well.”
Covering nearly 17,000 ft2, Dynamic’s toolmaking operation has 35 employees and builds roughly 125 molds/year, using flexible shifts to cover 24 hr/day five days/week. Photo Credit: PT
Here’s how to get the most out of your stationary mold vents.
Using scientific procedures will help you put an end to all that time-consuming trial and error. Part 1 of 2.
Here’s what you need to know to improve the quality of your parts and to protect your molds.
Need to figure out your mold-cooling energy requirements for the various polymers you run? What about sizing cooling circuits so they provide adequate cooling capacity? Learn the tricks of the trade here.
Medical molders absolutely must have a clean room and be ISO certified, right? ‘Wrong,’ says Extreme Molding’s Joanne Moon.
A good SMED quick changeover program can help optimize financial performance by converting non-value-add time into value-add time.
One employee I met there helped his daughter undertake a Kaizen event on her closet.
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