Roller Cam Positioners | Zendy

Gordon Bowden | Zendy

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Roller Cam Positioners

Author(s) -

Gordon Bowden

Publication year - 2010

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/1000327

Subject(s) - undulator , kinematics , degrees of freedom (physics and chemistry) , bounded function , ball (mathematics) , computer science , physics , classical mechanics , mathematics , optics , geometry , mathematical analysis , laser , quantum mechanics

Roller Cam Positioners could support the LCLS undulator sections allowing micron sized alignment adjustment of each undulator in 5 degrees of freedom. The supports are kinematic with the number of degrees of freedom matched to the number of constraints. Ton loads are supported on simple ball bearings. Motion is intrinsically bounded. Positioning mechanisms are based on pure rolling motion with sub-micron hysteresis and micron resolution. This note describes a general purpose positioning mechanism suitable for undulator support

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