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Steve Schroeder, Global Business Manager–Plastics for Eurotherm, Discusses Plastics Controls Technology

Press Release from Eurotherm

Steve Schroeder, Global Business Manager – Plastics for Eurotherm, discusses how controls technology has made things better for people who mold, extrude and process plastic.

 

Editor: I am speaking to Steve Shroeder Bussiness Development Manager for Plastics at Eurotherm..

Steve, Eurotherm is celebrating a landmark anniversary this year   - 50 years in operation. There must have been many changes that you have seen happen in the industry since you started out as well as for Eurotherm?

Steve: Yes, Eurotherm has come a long way, diversifying into other industrial electronics with many innovative product developments areas that created many world firsts.   What still is clear to our engineers today, is that customer   process problems and finding ways to solve them is the key focus point. That is the driving force to continue to research and develop new systems and products continiously.

 

Editor: So how long have you worked in the plastics industry?

Steve: I started my career 38 years ago when I was working for a company who made new injection molding machines. (EPCO)

 

Editor: 38 years ago the technology would have been very different? What stands out for you?

Steve: Back then, most machines were run with relays, timers, limit switches and manual throttle valves.

 

Editor: And what were you using at a that time for plastics processing

Steve: To be sure we had the best in plastics processing for our machine line, we offered as a standard, the Barber Colman (now Eurotherm) 520 temperature controller that was smaller than its predecessor and more precise in control than most controls that were on the market. It was just about that time, in 1974, Barber Colman introduced the MACO ® IIB rack controller with thumbwheel switches for timers. “What a fantastic advancement”, we thought! It replaced the vast number of relays needed and ran all the sequences through one control rack. It soon became the standard offering on all our new machines. Shortly after, we were retrofitting older machines with the MACO ® IIB system as well.  

 

Editor: And what developments came next to improve upon that?

Steve: It wasn’t too much later in 1978 that the MACO IV controller was released with a 5“ display screen, push buttons, built in temp control, closed loop process control and a memory card that was about the size of a credit card that held all the setup of one mold.   What we had for the time   was a fast operating control with leading edge technology!

 

Editor: Like today’s smart phones and computers, technological advances and competition must have been running at a quick pace in our industry. What was the next advancement for Eurotherm?

Steve: It sure was. In fact, just 5 years later in 1983, the futuristic MACO 8000 was launched.   The first truly distributed, modular plastics machine control system with its “touch screen” (actually horizontal/vertical grid pattern) operator stations and its many single, large card holding plastic modules that occupied a vast amount of cabinet space. Oh, and let’s not forget the “8 Track Tape” sized, single mold set up memory cartridge. It was faster than the previous offering and many of the North American OEMs began using it as their main control in various formats.

As the leading remanufacturer and retrofitter in the industry, we offered it in a conversion package with a hydraulic modification to run closed loop process control for both applications. This helped molders bring their machines up to the current standards for plastic processing without buying new machinery.

 

Editor: As machines became more sleek in design and manufacturers were downsizing footprints, cabinet space was a big issue as most cabinets were large to house all those modules. What change came about for Eurotherm to compensate?

Steve: It was about 8 years later, in 1991 that the single rack MACO 4500 came along with its updated 12” screen, integrated pushbuttons and small memory cartridge that held up to 15 mold set ups.   And in 1996, our patented   IMPACT ® closed loop process control feature was introduced as the first automatic adaptive tuned injection process control algorithm and it became a huge seller. The MACO 4500 was sleek looking, reduced the amount of cabinet space and wiring that was required with previous controls, and it was fast.That first IMPACT design still stands out amongst all the innovations over this time. Its reputation and acceptance as the best in its field rapidly grew and remained for many years to come.

 

Editor: Since those huge advancements was there anything since that had the same impact?

Steve: In fact, you could argue that it wasn't surpassed   until   2006 and the release of the MACO Compact and its great number of advancements in size, a full (this time real) touchscreen HMI and a reduced footprint that made the previous offering look huge in comparison. It stores over 500 recipes internally, has more advanced features that all other systems combined with response and processing times measured in milliseconds. Now that’s fast!

 

Editor: Steve, it has been interesting to hear from your perspective so what do you see happening next?

Steve: When I started in this industry, I never thought I would see such an evolution of controlling machinery processing like I have. It’s 2015 and I say wholeheartedly that the advancements in machinery control systems is still running at a rampant pace. Just reflecting upon the recent NPE, the amount of new and highly advanced control systems on new machines was amazing. Features that even had some looking like large iPhones.

It will be interesting to say the least, to see where it goes next. I think that there is no way to accurately predict the future in controls but to say they will certainly advance at the continuing pace.

 

Editor: And so, what is next for Eurotherm?  

Steve: We will continue to design and develop new products and systems to keep up with the demands of plastic processing.   And, if the last 50 years is anything to go by, it will be impressive. Especially with the added strength and scope that the integration with Schneider- Electric offers to Eurotherm. This means for us, truly anything is possible.

If I may add, I have to say that all these years, it has been a real pleasure to have been involved both directly and indirectly with Eurotherm products and their people in working together to enhance the operation and functionality of molding machinery and the processing of plastic..

 

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