Companies now can feed big portions of plastic waste discontinuously into a recycling extruder using fourth-generation technology from Erema Engineering Recycling Maschinen und Anlagen GmbH.
Erema's T-DD recycling system also can boost performance by 15 percent with no change in plant size, and cuts energy use 20 percent, the company said.
Technical modifications to Erema's cutter/compactor enable T-DD to separate the working steps of material processing - such as shredding, drying, agglomerating and preheating - from the extruder feeding step.
By uncoupling material pre-treatment from extruder feeding, Erema has shielded the extruder and its sensitive feeding zone from things that can reduce throughput and hurt quality, such as moisture, differing densities and temperatures and very big feed portions. The company can retrofit the technology.
In the case of bi-oriented PET film waste, for example, improved drying from the T-DD method means there no longer is a need for extruder degassing. Also, the extruder is much shorter, with a length-to-diameter ratio cut by almost half, which saves energy.
Erema, based in Ansfelden, Austria, reported sales of 60 million euros (US$70 million) for the fiscal year ended March 31. Sales and profit increased 10 percent over the year before.
Erema North America Inc. is in Ipswich, Mass.
Tel. (978) 356-3771, fax (978) 356-9003, e-mail [email protected] ma.net.
Colortronic North America Inc. of Runnemede, N.J., introduced the MA series of auger-fed granulators, as part of a 10-granulator expansion to its product line.
The auger-fed machines feature a low-profile design, with a screen drawer and hinged lid for easy access to the chamber for quick cleanout. A slant-chamber design gives tangential feed from three-plate molds, robots and sprue pickers or parts separators.
Three models are available - the MA68, MA 812 and MA 1216, featuring throat sizes, respectively, of 6 by 8 inches, 8 by 12 inches and 12 by 16 inches.
The MA Series reverses the flight of the continuously welded auger screw, preventing runners from wrapping around before they enter the cutting chamber.
Other features include a reversing drum switch, a gear reducer and chain/sprocket auger drive.
Tel. (856) 312-9600, fax (856) 312-9696, e-mail [email protected] ic.com.
HPM, Eagle pair up
Eagle Manufacturing Corp. is supplying its Eaglematic in-line finishing equipment for the continuous vacuum forming system from the HPM Division of Taylor's Industrial Services LLC.
HPM's technology blow molds containers and other types of products from a parison, in a continuous loop.
Eagle fabrication equipment separate the products, trims off flash and separates parts. Eagle machinery also does piercing and notching. Eagle is based in Sterling Heights, Mich.
Tel. (586) 264-0011, fax (586) 264-1125, e-mail [email protected] matic.com.
Carbon fiber lightens
Webex idlers for film
Webex Inc. said its FeatherLight idler rolls for film processing are made of carbon-fiber composite tubing, giving them one-third the weight of standard aluminum idlers with a 120 percent higher load-bearing capacity.
The high strength and light weight allow film converters to run wider, lighter webs at high speeds, while minimizing tension. FeatherLight rolls provide the lowest inertia rating of any roller on the market, and respond more quickly to changes in web speed, according to the Neenah, Wis., company.
Standard face lengths range from 34-144 inches. Webex also can make custom lengths.
Tel. (920) 729-6666.
PCC feeder meters
Process Control Corp., an Atlanta-based auxiliary equipment maker, announced two new gravimetric powder feeders designed for materials that do not flow freely.
The stainless-steel feeders can be used as stand-alone units or as part of a continuous system for blending power and pellets together. The units use a single-spiral, hollow-shaft auger to meter the material accurately.
The drive system uses a direct-current gear motor with an encoder, giving feedback on the motor so the feeder maintains a steady speed.
The weighing system is designed with Process Control's digital signal processing technology to filter out electronic noise and vibration. An agitator prevents material from bridging or clumping.
Both the weigh and drive modules are mounted in the same enclosure as the operator panel and are all pre-wired, which keeps field wiring to a minimum, the company said.
Tel. (770) 449-8810, fax (770) 449-5445.
EDI's Toggle FastGap
The new Toggle FastGap from flat-die maker Extrusion Dies Industries LLC means processors no longer will have to shut down lines to clean and lubricate EDI's FastGap system.
FastGap changes die gap by applying force at regular intervals along the die's lower lip, to bend the lip.
In standard FastGap equipment, the gap-changing mechanism consists of a stationary bar and a moving bar, with sets of male and female keys set at an angle, so the keys slide against each other during gap adjustment. That metal-on-metal contact is what made lubrication necessary, said John Ulcej, executive vice president of engineering and technology.
``To eliminate lubrication, we've replaced the old mechanism with an array of toggles along the width of the die. Instead of the sliding motion of the keys, there is the rotary motion of the pins and bushings at the end of the toggle shafts,'' Ulcej said.
EDI is in Chippewa Falls, Wis.
Tel. (715) 726-1201, fax (715) 726-2205.
Fast Heat Inc. builds
`smarter' mold box
Fast Heat Inc. of Elmhurst, Ill., bills its Smart Mold Box as an alternative to conventional mold boxes that are mounted atop hot-runner tools.
It prevents failure of thermocouples and control modules and reduces the time needed for wiring adjustments, according to the company.
Smart Mold Box features Fast Heat's ATP system, which stands for active thermocouple protection. The system prevents short-outs of the thermocouples. A hinged-box design gives easy access to terminal boxes.
Fast Heat offers Smart Mold Box as standard on its new hot-runner systems. It also is available as a retrofit.
Tel. (630) 833-5400, fax (630) 833-2040, e-mail [email protected]
mold changes easy
Pacesetter Systems said its patented Snapmatic automatic system for ejector bar coupling streamlines mold changes.
Snapmatic features a snap-lock mechanism for ejector bar coupling, which is released by applying standard shop compressed air. Modifications to the machine or mold are not needed.
The device can handle loads up to 10,000 pounds.
Snapmatic can be used with the Valencia, Calif.-based company's Equalizer load equalization system, which protects ejector bars from damage caused by compression and tension overload.
Tel. (661) 295-8941, fax (661) 295-8943, e-mail [email protected] systems.com.
targets tough jobs
Belvac Production Machinery Inc. said it has delivered a new machine to finish plastic containers that are hard to trim because of offset-neck shapes and container stability, including F-style containers, large-volume handleware and bottles that hold automotive lubricants and household detergents.
The DTO Series rotary trimming system uses a rotating head, together with positive control of the container, which is held in place by a star-wheel pocket and base platform.
The rotating head uses a cam-actuated knife with three blades, to ensure a chipless trim with minimal blade wear, according to the company.
Belvac is in Lynchburg, Va.
Tel. (603) 354-7801, e-mail lar [email protected]