Description: A versatile precision beam transport channel was built with inexpensive parts requiring minimum precision machining. The critical items, an optical bench and sliding bases are commercially available standard items. The only important precision machining is illustrated, where a small section of an optical bench is used as a quadrupole assembly holding fixture. With this type of fixturing there is no loss of precision during the transfer of the quadrupole assembly from the EDM setup onto the final assembly, other than the manufacturer-specified mounting and dismounting tolerance. Displacement measurements of the pole tips taken on ten different quadrupole assemblies determined that RMS displacement in the x direction was .000307 and in the y direction was .000290. The actual performance of this system will be presented in other papers at this conference by A.W. Maschke and E.F. Meier.
Date: January 1, 1983
Creator: Brodowski, J.
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