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Plasticizing package enhances throughput and part quality in injection molding of composites with high glass fiber loadings

15 Sep 2017

Xaloy® System from Nordson includes wear-resistant screw, barrel and valve designed for high output and low-shear mixing, with minimal fiber breakage

NECKARSULM, GERMANY, September 15, 2017: A new plasticizing system for compounds with high levels of glass fiber reinforcement provides wear-resistance, high throughput, and gentle mixing, enabling injection molders to meet the requirements of metal-replacement and other high-strength applications while enhancing productivity and part quality.

 

To be introduced by Nordson Corporation at Fakuma 2017 (Stand A6-6109), the Xaloy® High Glass Filled Polymer System is designed for injection molding a wide range of resins with filler content from 10 to 60%. Applications include automotive, marine, electronic, and other parts that require very high levels of strength and stiffness.

 

Components in the Xaloy® package system include:

 

Xaloy® Pulsar™ I Mixing Screw, whose wave-style root geometry enhances distributive and dispersive mixing, providing continually varying, localized high- and low-pressure areas that yield complete melt homogenization with low shear. The resulting gentle mixing minimizes fiber breakage and thus maximizes part strength.

 

Xaloy® X-8000™ Screw Encapsulation, a nickel-based alloy with high tungsten carbide content that provides twice the abrasive and corrosion wear life than standard high-velocity oxy-fuel (HVOF)-applied coatings. Nordson uses HVOF technology to apply the coating to the entire screw geometry, then fuses the alloy to the parent metal of the screw, forming a metallurgical bond. In addition, the Xaloy® X-8000 encapsulation is double the thickness of standard HVOF-applied coatings.

 

Xaloy® X-800® Barrel Inlay, a liner combining a nickel-based alloy with tungsten carbide that provides a high degree of abrasion and corrosion resistance and functions compatibly with the Xaloy® X-8000™ screw encapsulation.

 

Application-Specific Valve, designed to accommodate the viscosity and flow properties of highly filled compounds.

 

“Wear-resistance is only one of the requirements for successfully processing the highly filled compounds called for in metal-replacement and other high-performance applications,” said Mark Colella, global product manager for Nordson’s Xaloy brand. “Our new Xaloy® plasticizing system enables molders to overcome the challenges to productivity and part quality posed by today’s increasingly higher loadings of glass fiber reinforcement.”

 

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Nordson Corporation engineers, manufactures and markets differentiated products and systems used for the precision dispensing of adhesives, coatings, sealants, biomaterials, polymers,  plastics and other materials, fluid management, test and inspection, UV curing and plasma surface treatment, all supported by application expertise and direct global sales and service.  Nordson serves a wide variety of consumer non-durable, durable and technology end markets including packaging, nonwovens, electronics, medical, appliances, energy, transportation, construction, and general product assembly and finishing.  Founded in 1954 and headquartered in Westlake, Ohio, the company has operations and support offices in more than 30 countries.  Visit Nordson on the web at http://www.nordson.com, @Nordson_Corp, or www.facebook.com/nordson.

 

Nordson Polymer Processing Systems provides customers with engineered components to melt, homogenize, filter, meter, and give shape to plastic and fluid coating materials. Nordson Corporation leverages the collective plastics industry experience from a series of strategic acquisitions to offer a uniquely broad portfolio of industry-leading technologies.  Nordson delivers a full range of precision melt stream products — from screws and barrels for extrusion and injection molding — to filtration systems, pumps, and valves — to the extrusion dies and pelletizing systems to meet the constantly evolving needs of the polymer industry.

 

Nordson Corporation provides customers with local technical sales, service and remanufacturing capabilities through sales organizations and regional manufacturing facilities in over 30 countries.  To learn more visit us at http://www.nordsonpolymerprocessing.com or www.facebook.com/NordsonPPS.

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