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xxx 2011-11-30

Fast and light for long movements

Fast and light for long movements

The new Omega Module combines low dead weight and a fast belt drive and allows for higher dynamics over longer distances.

Rexroth's linear motion system Omega Module is yet another addition to the EasyHandling modular system

Feed units in machine tools, assembly lines and handling applications often have to be plunged deeply and quickly into large workspaces. Given the ever faster cycle times of the production machines, this places especially high demands on the axis mechanics in the automated process. What is needed here is a linear module with a very low dead mass so that top speeds can be reached. This is where Rexroth's new linear motion system "Omega Module" comes in. The belt drive is fixed to both ends of the main body and is looped around the drive shaft of the table part in the shape of the Greek letter "Ω". This design reduces the module's dead weight compared to ball screw assemblies, thereby making it highly dynamic. By guiding the module's table part over ball rail systems, the module achieves a high degree of rigidity for precise movements.

The Omega Module linear motion system allows for higher dynamics over longer distances in feed units. This becomes possible thanks to a combination of low dead weight and fast belt drive. Because the drive is stationary, the linear system can be set up in any position and also used as a vertical axis. A pneumatic clamping element maintains the position at standstill and also clamps hanging loads.

As a single axis system, the Omega Module comes with the necessary mechanical and electric interfaces to fit with the Rexroth EasyHandling modular system. Thanks to the Easy-2-Combine form-fit connection method, installation even in multi-axis systems becomes quick and easy and does not require calibration. In addition, it simplifies the direct attachment of pneumatic grippers and rotary modules.

One of the special features of EasyHandling is that it allows for fast start-up. As with the EasyWizard start-up tool, only a handful of axis-specific data needs to be entered, start-up time is reduced to just a few minutes. As single-axis system, the Omega Module is especially well-suited for applications in connection with handling, assembly and general automation. However, in conjunction with EasyHandling, it can also be part of a multi-axis system.

It comes in three sizes, covering a variety of performance requirements. With a stationary main body, users can freely configure the length up to 5,500 mm and choose from main bodies with widths of 55, 85 or 120 mm. This set up allows for several table parts with their own drive to be operated independently from each other. Rexroth offers the linear motion system with matching drives, engines and controllers. In the largest size, the mechanics are designed for input torques up to 154Nm. With high acceleration speeds of up to 50m/s² and speeds of up to 5m/s, it opens up the door for cycle times of longer movements to be shortened.


Bosch Rexroth Canada is the Canadian subsidiary of Bosch Rexroth AG, one of the world’s leading specialists in the field of drive and control technologies. Under the Rexroth brand name, the company supplies more than 500,000 customers with tailored solutions for driving, controlling, and moving. Bosch Rexroth is a partner for Mobile Applications, Machinery Applications and Engineering, Factory Automation and Renewable Energies. The company provides customized solutions tailored to the needs and specifications of each individual market. As The Drive & Control Company, Bosch Rexroth develops, produces, and sells components and systems in over 80 countries. As part of the Bosch Group, Bosch Rexroth and its 34,900 associates generated approximately 5.1 billion euros in revenue in 2010.

To learn more, please visit www.boschrexroth.ca

The Bosch Group is a leading global supplier of technology and services. In the areas of automotive and industrial technology, consumer goods, and building technology, some 285,000 associates generated sales of 47.3 billion euros in fiscal 2010. For 2011, the company forecasts sales of more than 50 billion euros ($70 billion) and a headcount of 300,000 by the end of the year. The Bosch Group comprises Robert Bosch GmbH and its more than 350 subsidiaries and regional companies in over 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Bosch spent 3.8 billion euros for research and development in 2010, and applied for over 3,800 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial.

Additional information can be accessed at www.bosch.com, www.bosch-press.com

 

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