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Bosch Rexroth is a global automation leader, helping companies increase productivity, cut costs and improve product quality. Our linear motion products and cartesian robots are deployed around the world in pick-and-place, assembly, soldering, gluing, material handling, and other applications---even in demanding environments. EasyHandling Systems, in single or multi-axis cartesian systems save hours of engineering and implementation time; linear guides, ball screws and linear bushings provide many options for precise positioning. Easy-to-use, open, PC-based controls (with Rexroth's award-winning Open Core technology) simplify programming and speed implementation. Pallet-based assembly conveyors, VarioFlow modular chain conveyors, lean production systems and aluminum framing round out the offering.
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Rexroth Cam Roller Runner Blocks for eLINE Profiled Rail Systems
POSTED 11/16/2010
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The eLINE cam roller runner blocks consist of an aluminum body with corrosion-resistant cam rollers. By replacing the standard plastic end caps with aluminum versions, adding holes in the runner block to allow venting, and by using vacuum-compatible grease, Rexroth engineers have made the eLINE cam roller guide system suitable for use in vacuum environments, providing smooth, quiet travel with high load capacity.
Users can choose between runner blocks in standard length with 4 cam rollers, or short runner blocks with 2 cam rollers. The dimensions and mounting hole patterns are identical to those of the equivalent ball rail runner blocks and therefore allow both eLINE cam roller and eLINE ball rail runner blocks to be installed on the same rail, if needed. Rexroth offers the cam roller runner blocks in sizes 15 and 25 to cater to a wide range of applications, with size 20 planned in the near future.
The aluminum eLINE profiled rail system handily compensates for tolerance errors and unevenness in mounting surfaces; the rails can be mounted from above or below. The cam roller runner blocks for these economical linear guides are manufactured with such high precision that they require no preload adjustment. Rails come in one-piece lengths of up to 4000 mm, and composite rails can be used when loads have to be moved over longer strokes.
In one recent application, the machine design required a 1-inch gap between chambers, which posed the difficult task of ensuring smooth motion necessary to avoid damage to the transported media while traversing between chambers. Rexroth solved this challenge by providing a special conical lead-in chamber on the eLINE rails, allowing the runner blocks to “jump the gap” smoothly—without damaging the media.
With the new cam roller runner blocks, Rexroth now offers unique and economically-priced alternatives to manufacturers requiring performance motion in highly sensitive environments. The updated family of eLINE products includes both styles of runner blocks, end seals and front lube units on standardized rails.
Bosch Rexroth AG is one of the world’s leading specialists in the field of drive and control technologies. Under the brand name of Rexroth the company supplies more than 500,000 customers with tailored solutions for driving, controlling and moving. Bosch Rexroth is a partner for industrial applications and factory automation, mobile applications and renewable energy. As The Drive & Control Company, Bosch Rexroth develops, produces and sells components and systems in more than 80 countries. In 2009 Bosch Rexroth, part of the Bosch Group, achieved sales of around $5.7 billion (4.1 billion Euro) with 34,200 employees.
For more information please visit: www.boschrexroth-us.com.