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igus® has been manufacturing engineered plastics for 50 years, and develops each of the materials and all technology behind its products. Committed to using its innovative polymer materials to develop products that provide creative solutions and exceed customer expectations while delivering fast, accurate service. igus®’ polymer blends are used throughout its range of product lines of cable carriers, plastic bushings, spherical bearings, and linear bearings, guides, and slide tables. With constant advancement and technological breakthroughs, igus® is continually expanding its range of materials, and performs rigorous testing to ensure every product meets and exceeds industry standards. igus® sales engineers are available throughout North America for on-site technical support, friendly customer service is available 8am – 8 pm, and igus® offers over 80,000 parts in stock, ready to ship as early as that day. igus® also offers 3D CAD files, samples, and online tools, all completely free.

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Reduce Friction in Machine-guard Doors

POSTED 12/20/2009

New hybrid linear bearing combines rolling and sliding

New igus hybrid linear bearing combines rolling and slidingEAST PROVIDENCE, R.I.  – The word ‘hybrid’ is used in engineering to describe a system where two technologies are combined together. igus® has now achieved this with a completely new type of cost-effective hybrid linear bearing that both rolls and slides.

The new hybrid bearing, DryLin® WJRM, was developed with the goal of reducing driving force, especially in applications involving the manual adjustment of machine-guard doors, partitions and adjustable locks, or for light handling tasks. For this purpose, igus took the advantages unique to sliding and rolling movements and combined them.

A self-lubricating plastic, sliding sleeve bearing ensures the hybrid linear system is robust, dirt and moisture resistant, lightweight and low cost. Meanwhile, a maintenance-free polymer roller brings ease of use to applications where heavy machine doors up to 110 pounds have to be adjusted manually. The required driving force is reduced by a factor of 4 to 5 due to this roller bearing, which carries the main load. This makes manual operation much easier.

The new hybrid bearing is the latest extension to the tried-and-trusted DryLin W linear guide range from igus. The extremely compact system was modeled by igus’ design engineers in such a way that the rollers fit inside the linear profile without increasing height, which remains at a low profile 0.71 inches (18 mm). Standard linear guide profiles can be used, which are available in three styles for shaft diameters of 0.39 (10 mm): as individual rails for more flexibility and as double rails for fast installation without time-consuming alignment. The latter comes with a distance between rails of 1.57 inches (40 mm) or 3.15 inches (80 mm). The hybrid bearing housing is made from blue-chromed die-cast zinc.

DryLin W is a flexible, modular linear guide system made from hard-anodized aluminum profiles, die-cast zinc housings, stainless steel or aluminum and plastic plain bearing materials. The wide variety of different combinations within this easy-to-install system allows users to optimize available design space. DryLin W linear guides work without lubrication as dry-running systems and do not require maintenance during operation. They use plastic liners made from iglide® J or iglide J200, both of which are extremely low wear and have a very low coefficient of friction. They are also chemical resistant, vibration dampening and absorb negligible amounts of moisture.

About igus
 igus develops industry-leading Energy Chain® cable carriers, Chainflex® continuous-flex cables, iglide plastic plain bearings, igubal® spherical bearings, DryLin linear bearings and guide systems. These seemingly unrelated products are linked together through a belief in making functionally advanced, yet affordable plastic components and assemblies. With plastic bearing experience since 1964, cable carrier experience since 1971 and continuous-flex cable since 1989, igus provides the right solution based on 70,000 products available from stock. No minimum order required. For more information, contact igus at (800) 521-2747 or visit www.igus.com.