A description of the Region 3 (RIII) Design for CLAS12
Conceptual Design
Dimensions
Design criteria
The Design Criteria is to develop all the necessary dimensions from the known dimensions.
The known dimensions are
The coordinate system in described in the attached PDF file:Media:CoordingateSystemR3.pdf
Preliminary Design Phase (9/24/07)
Design
Material and cross section of drift chamber frames, endplates, back plates, and nose plates
Wire hole patterns and feedthrough details
Method for attaching/securing wires
Support bracings, if needed
Lifting attachments and supports
Assembly fixture
Mechanical Analysis
Stress and deflection of endplates under gravity loading
Stress and deflection of endplates under wire loadings
Stress and strain of wires due to gravity and tension loadings
Drawings
Vendors
Provide materials
Perform fabrication
R3 status page at JLAB