Screws

Easy Melt Injection Screws

EasyMelt™ combines the simplicity and economy of a conventional three-zone screw with the productivity and quality benefits of optimum material feeding, melting and metering. General-purpose injection screws leave hard-to-get molding profit on the table. The Nordson XALOY EasyMelt™ injection screw helps you recoup with screw geometry optimized for specific material(s).

MeltPro™ Barrier Screw

MeltPro™ Barrier Screw. The Nordson XALOY MeltPro™ Barrier Screw is the building block of high performance barrier screw designs with tailorable properties to process crystalline and amorphous resins. It is designed for better control of resin shear stress and melt temperature as well as high efficiency melting rates and melt pumping performance.

ELCee® Screw

The Nordson XALOY ELCee® Screw offers reduced screw recovery time, resulting in faster cycles and reduced quality problems related to melt over shearing. Nordson XALOY mixing sections can be added when applications require dispersive or distributive mixing. Designs can be tailored for a variety of thermoplastic applications. This is the screw choice for recovery limited injection applications utilizing pre-compounded resins.

Pulsar® Mixing Screw

The Nordson XALOY Pulsar® Mixing Screw offers a conventional style screw design with superior distributive mixing qualities. The turbulent reorientation of melt stream improves part uniformity.

Pulsar® II Mixing Screw

The Nordson XALOY Pulsar® II Mixing Screw offers a combination mixing screw design with good distributive and dispersive qualities. The wave style root geometry provides continually varying, localized high and low pressure areas that yield complete melt homogenization. This screw offers the best low shear mixing design available.

V-Mixer™ Screw

The Nordson XALOY V-Mixer™ Screw offers a patented "pump-through" mixing design that generates localized high and low shear areas with low mixer pressure drop. Its unique geometry generates mixing forces in two directions. A squeezing action forces the melt stream towards the barrel wall (up and down) and between the flights (side to side) concurrently. The adjustable channel depth varies the levels of dispersive vs. distributive mixing.

Z-Mixer™ Screw

The Nordson XALOY Z-Mixer™ Screw is the best dispersive mixing screw in the industry. Its patented geometry utilizes mechanical potential in the melt stream to efficiently disperse additive packages. The unique "Z" formation channels the melt stream to high shear areas for a more thorough chaotic mixing action.

Fusion™ II Screws

The Nordson XALOY® Fusion™ II screw delivers enhanced chaotic mixing while retaining the productivity benefits of faster plastication and lower melt temperature provided by the original Fusion™ screw. Like the original Fusion™ screw, the Fusion™ II has two barrier zones. The first melts and meters the material forward to a homogenizing transition zone. This zone is followed by a second barrier zone with an undulating root profile providing intensive, chaotic mixing. The key difference between the Fusion™ II screw and earlier models is that primary flights in the second barrier zone have grooves. The new design is covered by U.S. patent no. 7,014,353, and has also been applied for international protection throughout the world, in Asia, Europe, and South America.