Difference between revisions of "May 26, 2017 - 200kV gun upgrade meeting"

Revision as of 20:33, 25 May 2017

200kV Gun

Task and Timeline Gantt chart => media:170421_CHG.pdf

325kV Gun .... WHAT ?!?!?

media:170519_325kV_simulations.pdf => Did we talk about this last week?

Gun2 NEG Tube

We are making 4 BPM's

Shop has materials now and machining (#327755)

Phil will pick up for weld, 400C bake, leak check, clean, NEG coat

Pete will perform optical/electrical checks

John will perform Gabou map

Final NEG tube design => media:NEGTUBE_MAY03.pdf

M20 Old Assembly Modification media:0990.pdf

M20 New Assembly Can media:0991.pdf

M20 New Assembly 6.00 x 4.500 reducer flangemedia:0.992.pdf

Gun3 Removal and Diagnostics Chamber Installation

Second bake and activate week of May 30th => Remove and replace Gun3 ATLIS task

Remove VBV3I02 from special interlock and swap PLC for relays

Spellman HVPS update

Radmon update

Installed at CEBAF

Checked and ready

Summer 2017 SAD Update

media:SADCIS_v6.docx

@@ Line 6: / Line 6: @@
 ===Gun2 NEG Tube===
-* Final NEG tube design => [[media:NEGTUBE_MAY03.pdf]]
+: We are making 4 BPM's
-: Ordered (6) 4.5" rotatable, 2-1/2" bore => (2) in hand, (4) on back order
+: Shop has materials now and machining (#327755)
-: Ordered 6" to 4-1/2" reducers =>
+: Phil will pick up for weld, 400C bake, leak check, clean, NEG coat
-: (3) FH sent to MMF => One will be read for NEG tube by next Friday 5/26, others week after
+: Pete will perform optical/electrical checks
-::a) check/replace coil leads w/ 240C insulator as needed, some have old shrink wrap
+: John will perform Gabou map
-::b) hi pot each coil
+::Final NEG tube design => [[media:NEGTUBE_MAY03.pdf]]
-::c) measure each coil using HMIN/HMAX -2.5A/+2.5A
-::d) Bz v. z at r=0 ALL (and r=2,4,6 mm for ONE)
-::e) Bz v. I at r=0,z=0 ALL
-* BPM process :  Fabricate, Clean, Leak Test, Optical Align, Electrical Acceptance and/or Gabou Line, Install
-:: Pete Francis performing optical/electrical acceptance testing...
-:: M20 #1 (Musson tested) - > First M20 with no serial number optically looks bad and did not pass acceptance test.
-:: M20 #2 (Musson tested) -> Second M20 with serial no. #PM20-127  looks ok...... but probably could use an Optical Alignment
-:: M20 #3 (Greg Marble spare) -> Third M20 tested great
-:: M20 #4 (Greg Marble spare) -> Fourth M20 test occurred during electrical interference, re-test on Monday
-* What next?
-: Send to shop for modification (327755) => Request June 9
 ::M20 Old Assembly Modification [[media:0990.pdf]]
 ::M20 New Assembly Can [[media:0991.pdf]]
 ::M20 New Assembly 6.00 x 4.500 reducer flange[[media:0.992.pdf]]
-: Leak check
-: Repeat optical/electrical acceptance
-: NEG coat
-: Gabou measurement
-: Install
 ===Gun3 Removal and Diagnostics Chamber Installation ===
-* May 8-12 => [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/17278 Remove and replace Gun3 ATLIS task]
+: Second bake and activate week of May 30th => [http://opsweb.acc.jlab.org/CSUEApps/atlis/task/17278 Remove and replace Gun3 ATLIS task]
-: Rebake week of May 30th
+: Remove VBV3I02 from special interlock and swap PLC for relays
-=== Eliminating Gun Switch Software ===
-* April 28 => [http://devweb.acc.jlab.org/CSUEApps/atlis/task/17327 Remove gun switch software ATLIS task]
-: Software removed and interlocks tested [https://logbooks.jlab.org/entry/3471335 ELOG entry]
-: Yet to do a) remove VBV3I02 from special interlock and b) swap PLC for relays
 ===Spellman HVPS update===