Year 2003
Images from the fabrication of the DFBX boxes
(LBNL procurement of the LHC IR feed boxes)
at Meyer Tool and Manufacturing, Inc.The "kick-off" meeting for the fabrication of the DFBX boxes was held at Meyer Tool on April 1, 2003. Meyer Tool began procurement of materials and fabrication of parts in April.
June 12, 2003 (Helium vessel parts including ends, window frames, tops, and vacuum vessel formed top plate)
July 1, 2003 (Various machined small parts, peak seals, helium vessel start)
July 15, 2003 (Helium vessel "doors", machined parts including "porcupine" connector trees, helium vessel weldments)
July 31, 2003 (G-10 parts, "porcupine" connector trees, helium vessel weldments, vessel support bearings)
August 12, 2003 ("Porcupine" connector tree threaded base, various small parts, helium vessel weldments)
August 19, 2003 (Various small parts, helium vessel weldments, "porcupine" connector trees machined)
August 26, 2003 (G-10 parts and other small parts, helium vessel on machine)
September 10, 2003
Vapor Cooled Leads (As shipped to MTM from AMI)
Other DFBX parts (Helium vessels, vacuum top plates, G-10 pipe support, lead chimney bellows, PHPK valves)September 12, 2003 (Helium vessels, G-10 pipe support, assembly frames, massive thrust load bumpers)
October 7, 2003 (Vacuum vessel top plate, vacuum vessel parts, G-10 parts, helium vessels, assembly frame, connectors, shock indicator for shipping)
October 14, 2003 (Including copper shield parts, vacuum vessel top plates, a bus duct, and beam tube images from Sciaky, Inc.)
October 21, 2003 (Peak seal surfaces, lead chimney assemblies, and vacuum vessel top plates)
October 28, 2003 (Top plate holes being machined, top plates weld-prepped, MLI cut, packaged chimney assemblies, end plates, XB thrust brackets, thermal shield top plates, copper braid assembly, DH piping assemblies)
November 4, 2003 (Boxed assembly kits and boxed MLI, delivery of shield parts, top plate machined except for 10 degree holes, ten degree fixtures, end plates and rings, shield top plates, piping, thermal strap assemblies)
Top Plates November 6, 2003 (First top plate set up for the 10 degree angle hole machining. Photos e-mailed from Ed Bonnema)
November 11, 2003 (Top plate showing 10 degree holes, shield parts including copper welds, chimney thermal straps, other thermal links, and tubing assembly work)
Top Plate November 12, 2003 (First top plate hanging from assembly fixture. Photos e-mailed from Ed Bonnema)
November 18, 2003 (Shield top plate and MLI, second top plate, G-10 support parts, tubing, end flanges, first top plate assembly hung with shield top, instrument conduit delivered, electrical connector mounting plate, first helium vessel final machining, seven other helium vessels, bus duct weld test, copper shield parts, EX line on wooden frame, last photo shows backing strip for copper joint)
November 25, 2003 (Checking helium vessel dimensions with the Romer Arm, close-up of the inside of the helium vessel, the second top plate being set up for welding of the tube stubs, jumper elbows, various pipe assemblies, last shield material delivery with box beams for the shipping crates, voltage taps at the cold end of vapor cooled leads)
December 9, 2003 (Thermometers mounted on DH line, PHPK valve, vacuum end flanges, helium vessel, room stocked with major components ready for assembly, G box assembly with helium vessel hanging from top plate, shipping crate parts, more piping, the fixture for locating the helium vessel relative to the top plate during assembly)
December 12, 2003 (Helium vessel support strut boss welds to the vacuum vessel were beefed up. Ed Bonnema provided these three photos of the bosses and welds.)
December 16, 2003 (Box G assembly hanging in assembly fixture, closeup of upper part of current lead chimney, bus ducts in shipping crate, D box helium vessel, cracked G-10 support tube, chimney bellows with permanent uneven compression set)
December 23, 2003 (AMI current lead shipment just arrived, photographed crates, baffle parts, vacuum end plate on machine, G-box helium vessel hung from assembly, and a helium vessel that was just washed out)