Difference between revisions of "Apr 24 2024"
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(Created page with "==Updates== * Laser retro-reflection checks now with R30-4 16/30 (2 of 2) electrode front end * Gun layout drawings comparing R28-2 with R30-4 guns show data with input from...") |
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==Updates== | ==Updates== | ||
| − | * Laser retro-reflection checks | + | * Laser retro-reflection checks performed with R30-4 16/30 (2 of 2) electrode front end:[https://logbooks.jlab.org/entry/4287459 R30-4 gun laser retro-reflection test in LERF clean room April 23 2024: reproducibility achieved with puck retainer assembly orientation 180 deg from nominal] |
* Gun layout drawings comparing R28-2 with R30-4 guns show data with input from S&A. They also include now R28 (14") and R30 (18") gun chamber dimensions and show why the z coordinate for the top flange is the same for both. | * Gun layout drawings comparing R28-2 with R30-4 guns show data with input from S&A. They also include now R28 (14") and R30 (18") gun chamber dimensions and show why the z coordinate for the top flange is the same for both. | ||
* Gun fixture with alignment version 2: Carlos met with Gary Hayes and Keith Harding on April 23, 2024. We have one full visfture version 2 assembly ready for the R30-4 gun. Two assemblies were made of this version 2. One is installed in UITF with the R28-1 gun. The other is in TL1137. Thee feet from the fixture version 1 for the R30 gun HVC need to be 'transferred' to fixture version 2. Carlos will coordinate this with Neil Wilson. Gary is checking drawings and models to ensure fixture version 2 will work with R30-4 gun. | * Gun fixture with alignment version 2: Carlos met with Gary Hayes and Keith Harding on April 23, 2024. We have one full visfture version 2 assembly ready for the R30-4 gun. Two assemblies were made of this version 2. One is installed in UITF with the R28-1 gun. The other is in TL1137. Thee feet from the fixture version 1 for the R30 gun HVC need to be 'transferred' to fixture version 2. Carlos will coordinate this with Neil Wilson. Gary is checking drawings and models to ensure fixture version 2 will work with R30-4 gun. | ||
Revision as of 15:43, 23 April 2024
Updates
- Laser retro-reflection checks performed with R30-4 16/30 (2 of 2) electrode front end:R30-4 gun laser retro-reflection test in LERF clean room April 23 2024: reproducibility achieved with puck retainer assembly orientation 180 deg from nominal
- Gun layout drawings comparing R28-2 with R30-4 guns show data with input from S&A. They also include now R28 (14") and R30 (18") gun chamber dimensions and show why the z coordinate for the top flange is the same for both.
- Gun fixture with alignment version 2: Carlos met with Gary Hayes and Keith Harding on April 23, 2024. We have one full visfture version 2 assembly ready for the R30-4 gun. Two assemblies were made of this version 2. One is installed in UITF with the R28-1 gun. The other is in TL1137. Thee feet from the fixture version 1 for the R30 gun HVC need to be 'transferred' to fixture version 2. Carlos will coordinate this with Neil Wilson. Gary is checking drawings and models to ensure fixture version 2 will work with R30-4 gun.
Pictures