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Communiqués de presse 2010 - Modules de Préhension
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Very efficient lightweight axis made of carbon fiber
08.06.2010 -
Components made of carbon fiber are making many advances in racing and automotive engineering. With the CFK-axis system CLD, SCHUNK is now showcasing for the first time, a standardized linear axis made of carbon fiber. It is the lightest directly driven linear axis on the market. Compared with aluminum profiles, the weight of the profile reduces by 58 per cent. For multi-axis handling systems, where complete Z- or Y axis are moved, the lightweight design ensures efficiency and helps the axes to accelerate, saving a lot of energy in the process.
The innovative linear module from SCHUNK offers many advantages. The carbon composite makes the axes extremely light, yet stable. Due to the higher E-module, they dispose of a higher bending and torsional stiffness than aluminum profiles. The high dampening reduces vibrations and results in a higher dynamical stiffness. If the material heats up during operation, it stays dimensionnally stable. These are the best pre-conditions for micron-precise use of inspection and handling applications. The efficient light-weight axes give an edge to the users in respect to cycle times, and precision.
Linear direct drive is a precise pace-maker
The standardized CFK-axes from SCHUNK belong to the CLD serie. They owe its high dynamic and repeat accuracy to a servo-electric linear direct drive. They also assure their pole position, especially for high-speed applications in assembly automation. The driving force is transferred from scope-free precise driving elements without mechanic transmission elements directly onto the slide. Since the motor, measuring system and linear guidance are integrated into the axis profile or slide, they are extremely compact and have low space requirements. For achieving a maximum repeat accuracy, sliding rails made of steel are attached onto the CFK-profile and are then precision ground.
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