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  • An Innovative Cabling Concept Improves Reliability for Multi-Axis Stage Systems
    requiring multi-axis stage systems. Usually an object has to move in two, three or more degrees of freedom (DOF) including linear movements, rotary movements, tilt and/or lifting operations. Parallel kinematic drives like hexapods can easily provide 6 DOF quite elegantly, but in most cases a simple stacked
  • High-Bandwidth Force Control
    Traditionally linear stages are used with encoders to position to precise points in a motion profile. These encoders are used for both positioning and, in the case of brushless servomotors, for motor commutation as well. However, in certain applications like material press-bonding, position
  • Factors to Consider When Choosing a Crossed Roller Bearing (.pdf)
    it's wafer positioning for the efficient manufacture of ICs, pick and place, vision inspection, parts transfer, a microscope stage under computer control or precise vertical movements, linear bearings have had to evolve rapidly in order to carry heavier loads, take up less space and be reliably precise.
  • Piezo Motors: Principle of Operation for Engineers
    is exerted on the stage, causing stage movement. The periodic nature of the driving force at frequencies much higher than the mechanical resonance of the stage allows continuous smooth motion for unlimited travel, while maintaining high resolution and positioning accuracy typical of piezoelectric

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