Global ETD Search
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Showing 1 to 3 of 3 for “"linear drive"”.
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Design and fabrication of a high precision wafer polishing machine
… for the polishing head. Two high-precision linear drive mechanisms, the z-axis and the x-axis, were designed as the two major axes of motion for this machine tool. The z-axis applies the normal polishing force of 1500 lbs. This axis has a travel of 8", maximum velocity of 4 in/sec, …
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Real-time measurement of biaxial tensions using digital image correlation methods
… 12 MP camera system. A stepper motor controlled linear drive was used to experimentally investigate accuracy and speed of the DIC system, for both rigid body motion and deforming targets. A thorough review of the concepts involved in DIC is undertaken followed by a detailed description of the …
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Optimalizace přímého pohonu posuvové osy pomocí hltiče vibrací
Tato diplomová práce se zabývá aplikací třech metod omezení rezonancí kritických frekvencí a popisem jejich vlivu na rychlostní smyčku řízení lineárního motoru. K tlumení kmitání pokusného standu byl použit jak elektromagnetický hltič vibrací, tak i pružné uložení sekundárního dílu lineárního …