Davis-Standard to Focus on Process Improvement at Rubber Expo 2007


August 7, 2007(Pawcatuck, Conn.)--Rubber extrusion technology designed for process improvement and cost savings will be exhibited by Davis-Standard, LLC, booth #520, during the upcoming Rubber Expo in Cleveland, Ohio, October 16-18. Included in the display will be a new 3½-inch (90mm) DSREV rubber extruder, highly efficient barrier screw, patented ELF feed section and Model 2000 crosshead. In addition to the equipment, a DVD kiosk will be available to showcase Davis-Standard's full range of elastomer extrusion capabilities.

DSREV Extruder - The 3½-inch (90mm) DSREV multipurpose extruder being shown will exhibit several design changes that improve the extruder's economics, efficiency and performance. This is the second generation of this extruder model. Some of the changes include pre-assembled screw and head injection units, a redesigned base, a simplified cooling and wiring system, and redesigned double-pass heaters for ease of piping and wiring. All improvements are geared toward simplified maintenance, improved access to machine components and cost-effective operation.

ELF Feed Section - Davis-Standard's recently patented elastomer leakage-free (ELF) feed roll assembly helps minimize the leakage and scrap created during elastomeric extrusion processes. The invention was patented earlier this year by Davis-Standard engineers. The ELF provides effective feedback of overflow material and can be retrofitted to existing extruders to provide cost savings. It features a shell, feed roll seal plates and feed roll end plates to curtail leakage. The material is redirected back to the feed section by means of a varying bore diameter of the shell and grooves contained in both the feed roll seal plates and feed roll end plates. All major components are coated with a solid, dry lubricant coating to reduce friction.

The result is a cleaner and more efficient elastomeric extrusion process that helps processors save on material and maintenance costs.

2-inch (50mm) Crosshead - The Model 2000 hydraulic crosshead reduces scrap and enables faster start-up times. The crosshead features hydraulic actuation of the flow diverter/core tube for quick tooling changes and simplified cleaning. The core tube design allows minimal deflection to maintain concentricity at various screw speeds. All inside surfaces are Armalloy coated for better wear resistance and material flow. The core tube thrust bearing facilitates easy pin adjustment to change wall thickness while running. Models are available for 2-inch (50mm) and 3-inch (75mm) diameters.

For more information prior to the show, contact Joe Wnuk at jwnuk@davis-standard.com.

CONTACT
Luann Kupka
Marketing & Sales Administration Manager
Extrusion Systems
860-599-6262

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