Plastics Technology

JUL 2018

Plastics Technology - Dedicated to improving Plastics Processing.

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High-Performance Lubricants For Automotive and Construction At NPE2018, a new family of high-performing lubricants and dispersing agents based on "non-food" crude rice-bran wax, was introduced to North America by Clariant Corp., Char- lotte, N.C. Tested on automotive parts made of engineering resins including PC, nylons, and TPU, they reportedly offer better shaping flexibility, improved mechanical properties, and enhanced surface finish at efficient dosage levels comparable to those for lubricants based on montan wax. Another key advantage is that there is no yellowing. These products are also suited to applications in E/E and building/construction. 502-295-4106 • clariant.com Two companies recently came out with innovative grippers designed particularly for the new breed of "collaborative" robots, or "cobots." Piab in Hingham, Mass. (piab.com), introduced the Kenos KCS gripper that reportedly "can handle just about anything, anywhere, at any time." It combines Piab's proprietary pneu- matic COAX technology for highly efficient vacuum ejection with an easily replaceable "technical foam" pad that molds itself around any surface or shape. Standard ISO interface adapters enable the unit to attach to any cobot type on the market, Piab says. The body is made of a lightweight 3D printed polymer material. A quick-change system allows the same unit to be fitted with a special gripper for plastic bags. Meanwhile, the new firm of Purple Robotics introduced its first product, the PR10 dual electrical vacuum gripper for cobots. Purple Robotics (purple-robotics.com) is a Danish firm recently estab- lished by veterans of Universal Robots, a Danish pioneer in the cobot field. With its double-grip function, the PR10 can handle several items in a single operation. Unlike standard vacuum grippers, it requires no external air supply, so there are no cumbersome air hoses to manage, and the gripper is unaffected by changes in line pressure or the cleanliness or availability of external air. The gripper report- edly can be installed in less than 30 min with no prior training. Purple Robotics has signed two U.S. distributors, Olympus Controls, Tualatin, Ore. (olympus-controls.com), and Thinkbot Solutions, Austin, Texas (thinkbotsolutions.com). Nick Armenta, automation engineer at Olympus Controls, says, "The PR10 is a one-size- fits-all solution that eliminates the barrier to entry that is typically caused by customers' unfamiliarity with pneu- matics. A single package that can be bought off-the-shelf and quickly deployed without any engineering is a huge benefit for our customers." New Grippers for Cobots Purple Robotics PR10 dual electrical vacuum gripper. New Color Effects for PET Packaging At NPE2018, unusual color effects for PET packaging were show- cased by Penn Color, Doylestown, Pa. The newest additions to the company's Penneffex portfolio of colors and effects include bicolor, thermochromic and phos- phorescent effects for PET beverage bottles. Developed in collaboration with Husky Injec- tion Molding Systems, Bolton, Ont. (husky.co) and designed and engineered by P.E.T. Engineering S.r.l. in Italy, (petengineering.com), these proprietary pigment compounds are introduced in a multilayer preform and bottle structure. Penn Color developed a proprietary pigment masterbatch that report- edly will not cause delamination when using thermochromics or fluorescents in the middle layer. New glow-in-the-dark special-effect masterbatches used in the middle layer and new brushed-metal special effects for the outer layer were also displayed. According to a company official, its focus on devel- oping new bottle concepts will soon expand to formulations for HDPE bottles with installation of a three-layer HDPE blow molding line at Penn Color's new R&D center. 215-345-6550 • penncolor.com ADDITIVES ADDITIVES Piab Kenos KCS vacuum gripper with soft foam head—here shown gripping an egg. AUTOMATION @plastechmag 53 Plastics Technology N E W P R O D U C T S F O R P L A S T I C S P R O C E S S I N G

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