Beamline element details

apertures

• Original aperture design 58432-C-0340: https://misportal.jlab.org/jlabDocs/docDownload/7973
• Assembly with brazed cooling lines: 28921-D-0001/0002: https://misportal.jlab.org/jlabDocs/docDownload/11580
• Modifications: found drawings with 1 mm hole, physical parts have 2 and 4 mm holes from install in CEBAF, opening both to 6 mm then rechampfering to maintain 0.125" thickness at hole.

chopper

• chopping chamber design drawings: VAC5550124-1015 (not present in engineering database)
  • Chopping Chamber outer shell assembly File:VAC5550124-1015.pdf
  • Chopping Chamber end flanges File:VAC5550124-1018.pdf
  • Chopping Chamber main body File:VAC5550124-1019.pdf
  • Chopping Chamber support