Durashell

Durashell

Durashell

Product catalog summary
DuraShell™ Chill Rolls Overview
DuraShell™ Chill Rolls are supported by the established performance of Keystone and F.R. Gross roll brands, provided by Nordson XALOY. These rolls are designed for new installations and the reconditioning or modification of existing units, ensuring optimal performance in sheet extrusion processes.
Quality Assurance
  • Complete design engineering, manufacturing, hard chrome plating, and finishing are controlled to ensure timely delivery.
  • Hard Chrome Plating: Achieves a hardness of 63-65 Rc.
  • Vertical Stress Relief: Supports rolls up to 42" (1065mm) in diameter and 210" (5330mm) in length.
  • Dynamic Balancing: Complies with ISO 1940/1 standards.
Performance Features
  • Shrink fit double shell spiral design ensures uniform temperature across the roll face with a precision of ±0.5ºC (±1ºF).
  • Handles loads up to 2100 N/cm, with higher capacities available if needed.
  • High precision with a Total Indicator Runout (TIR) of 13 μm standard.
  • Large in-house CNC machining capabilities offer various diameter and face length combinations.
Durability
  • Constructed with low-carbon steel tubing, hard-surfaced, and overlaid with 420 stainless steel to 52 Rc.
  • Offers more resistance to worm tracking compared to carburized and flame-hardened shells.
  • Lower reconditioning costs.
Roll Repair Services
  • Complete repair and remanufacturing services for chill rolls used in sheet, film paper coating, and heat transfer applications.
  • Specializes in regular maintenance and modified finish requirements.
  • Offers acid flush and flow testing, journal and body repairs, and repolishing of existing chrome.
  • Provides optical mirror "superfinish" to coarse matte after chrome plating.
  • Precision finishing facility ensures 0.0005” (13 mm) TIR on every order.
Specialty Finishes
  • Includes water retention, flash plating over matte, pocket release, 30-50% gloss, and tungsten carbide coating.
  • Available finishes range from flawless mirror to coarse matte.
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Catalog excerpts

Durashell-1

DuraShell™ Chill Rolls We conduct a thorough engineering analysis of your sheet extrusion process to ensure that our rolls meet or exceed your requirements for heat transfer, mechanical strength and consistently high performance commonly required in sheet extrusion processes. Built to perform Shrink fit double shell spiral design provides uniform temperature across the roll face: ±0.5ºC (±1ºF). Consistent performance under loads up to 2100 N/cm, higher if your process requires High precision: TIR (total indicator runout) of 13 μm standard. Our large in house CNC machining capability, offers many diameter and face length combination to meet your requirements. DuraShell™ Chill Rolls are backed by the proven performance of the Keystone and F.R. Gross roll brands. Nordson XALOY has what it takes to meet your needs for new chill rolls and reconditioning or modification of your existing units. Quality Assurance Complete Design Engineering, Manufacturing, Hard Chrome Plating and Finishing – Control of the processes enables Nordson XALOY to ensure your delivery will be met Hard Chrome Plating – 63-65 Rc hardness Built to last Low-carbon steel tubing, hardsurfaced, overlaid with 420 stainless steel to 52 Rc. More resistance to worm tracking than carburized and flame-hardened shells. Lower reconditioning costs. Vertical Stress Relief – 42" (1065mm) dia. and 210" (5330mm) lengths Dynamic Balancing – In accordance with ISO 1940/1

 Open the catalog to page 1
Durashell-2

DuraSheN™ Chill Rolls Roll Repair Final process in which repaired roll is receiving a standard mirror finish Complete repair/remanufacturing services of chill rolls for sheet, film paper coating and heat transfer applications. Regular maintenance and/or modified finish requirements are our specialty. Combine with total in-house chrome plating and finishing equipment, Nordson XALOY offers committed customer service and accurate delivery quotations with every request. • Acid flush and flow testing • Journal and body repairs • Repolish existing chrome For finishing, we offer optical mirror "superfinish"...

 Open the catalog to page 2
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.