Difference between revisions of "X-pinch driver 2-bricks fabrication"

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[https://wiki.iac.isu.edu/index.php/RS#Compact_and_Portable_X-Pinch_Driver go back]
 
  
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=Progress Reports=
 
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==December 08, 2013==
 
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*The updated drawing of bricks with remeasured front plate's holes created (drawing #2013.1.001.0001)
 
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==December 09, 2013==
 
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*The list of possible manufacturing company for Brick's Housing (BH) parts production is established:
 
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**Partner Steel Co, Inc, Pocatello;
 
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**Valley Sheet Metal (VSM) Technologies, Idaho Falls;
 
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**Primear Technology, Blackfoot;
 
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**Northwest wire EDM, Spokane, WA;
 
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**Nelson Metal Technology, Payette, ID;
 
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**Water Jet Cutting, Albuquerque;
 
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*All above companies have been contacted for quotes. Criteria were price and speed of production.
 
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==December 10, 2013==
 
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*Brick's Housing (BH) parts (steel/AL/PMMA sheets) drawings is approved by Spielman (drawings #2013.1.001.0002-0009)
 
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==December 11, 2013==
 
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*VSM Technologies: selected as manufactured company for BH parts (drawings #2013.1.001.0002-0009)
 
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==December 17, 2013==
 
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*BH parts arrived at IAC and inspected. Kevin is going to assemble and weld them all together.
 
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==December 18, 2013==
 
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*Cathode/anode drawings submitted to Spielman for approving (drawings #2013.1.001.0010-0017)
 
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*PMMA_Output_Sheet/Charging_Isolating_Tube drawings submitted to Spielman for approving (drawings #2013.1.001.0018-0019)
 
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*X-pinch driver assembly drawing with included cathode/anode submitted to Spielman for approving (drawing #2013.1.001.0020)
 
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*PARKER's Viton O-rings V0769-60 2-246 (2 pcs), ID 4 1/2 and W 1/8", selected for vacuum seal inside the cathode/anode section.
 
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==December 19, 2013==
 
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*LESKER reduced 4-way cross (C-0800-275, $890) found as a candidate for vacuum chamber [http://www.lesker.com/newweb/flanges/fittings_cf_crosses.cfm?pgid=4wayreducer];
 
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*LESKER reduced 4-way cross drawing downloaded and incorporated into SolidWorks (assembly file Lesker_C-800_275\C-0800-275_reassembled);
 
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*LESKER reduced 4-way cross redesigned to match our x-pinch driver (drawing file Lesker_C-800_275\2013.1.001.0030);
 
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==December 20, 2013==
 
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*Some changes to parts have been done to accommodate LESKER redesigned cross:
 
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**1) for Al output plate, the inner cut increased from 4.5 diameter to 10" diameter to match the cross (drawing #2013.1.001.0008);
 
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**2) for anode can, the slot size increased from 0.4" to 0.5" to march x-pinch wires length  (drawing #2013.1.001.0014);
 
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*Reassembled LESCER cross drawing submitted to Spielman for approving (drawing LESKER C-0800-275_REASSEMBLED)
 
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*X-pinch driver assembly drawing with included cathode/anode/cross submitted to Spielman for approving (drawing #2013.1.001.0021)
 
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*LESCER cross and new assembly drawings is approved by Spielman:
 
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==December 30, 2013==
 
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* LESKER reduced 4-way cross (C-0800-275, $890) is ordered [http://www.lesker.com/newweb/flanges/fittings_cf_crosses.cfm?pgid=4wayreducer]. Expected delivery id January 16, 2014. Comments: this one we will cut and reassemble later in the way we need. Just to remind, I plan two use one 8" flange for plate connection, one 8" flange for x-pinch access and vacuum pump connection, one 2 3/4 flange for x-ray diagnostics and one 2 3/4 flange for x-ray output.
 
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* for x-ray windows we  can use Beryllium window (available from Moxtek in 1-1/3 and 2-1/8 CF flanges [http://www.eurotek-general.com/upload/PDF/Moxtek/DuraBeryllium%20Windows%20in%20ConFlat%20Flanges,%20WIN-TECH-1001.pdf]).
 
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[[File:Be transmission data1.jpg | 400 px]]
 
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For 2-1/8 CF flanges x-ray window, we will need Zero-Length Reducer Flange (from 2 3/4 to 2 1/8), like [http://www.lesker.com/newweb/flanges/flanges_cf_reducer.cfm?pgid=std]
 
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* '''can we use quartz window instead of beryllium?''' (we can probably borrow one from IAC stock);
 
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* do we need RIGHT NOW x-ray window? A: no, we will need just glass viewport for x-pinch visual observation;
 
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==December 31, 2013==
 
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Other parts we need for vacuum chamber are:
 
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*flanges:
 
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** 8" fixed blank CF flange, Lesker part #F0800X000N, $125 [http://www.lesker.com/newweb/flanges/flanges_cf_304SS.cfm?pgid=8in]. Note: I would cut this flange in the middle to reduce the weight twice from 12 -> 6 lbs;
 
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** 2 3/4" fixed bore 1.63" CF flange, Lesker part #F0275X175N, $15 [http://www.lesker.com/newweb/flanges/flanges_cf_304SS.cfm?pgid=2d75in]. Note: this flange will be used for x-ray diode's mounting;
 
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** 2-3/4" CF flange viewport window. Note: this flange will be used for visual x-pinch observation. Later this flange can be replaced by x-ray window. Choose the cheapest (first) one:
 
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*** Corning 7056 Glass Viewport - 2.75" CF Flange, Accu-Glass Products, $125 [https://accuglassproducts.com/product.php?productid=17478&cat=569&page=1];
 
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*** Conflat Flange (CF) Zero Length Glass Viewport 1.5 inch to CF 2-3/4 inch, Ideal Vacuum Products, 179.95 [http://www.pchemlabs.com/product.asp?pid=2262];
 
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*** 2 3/4" CF flange Sapphire Viewports, Lesker part #VPZL-275SW, $650 [http://www.lesker.com/newweb/flanges/viewports_cf_sapphire.cfm?pgid=0];
 
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*gaskets [http://www.lesker.com/newweb/flanges/hardware_cf_gaskets.cfm?pgid=ofhc]:
 
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** 1/4 Hard OFHC Copper Gasket for 2-3/4" CF flange, Lesker part #GA-0275, set of 10, $26.40;
 
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** 1/4 Hard OFHC Copper Gasket for 8" CF flange, Lesker part #GA-0800, set of 10, $75.00.
 
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*fasteners [http://www.lesker.com/newweb/flanges/flanges_cf_304SS.cfm?pgid=2d75in scroll down]:
 
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** 5/16—24 x 2-1/4" Bolt & Nut Set, Lesker part #HBS31224225, set of 25, $37.58 (for 8" flange up);
 
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** 5/16—24 x 1-3/4" Bolt Kits, Lesker part #HBK31224175, set of 25, $30.60 (for 8" flange Al plate connection), '''(need 1" length)''';
 
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** 1/4—28 x 1-3/8" Bolt & Nut Set, Lesker part #HBS25028138, set of 25, $29.38 (for 2-3/4" flanges);
 
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*Total quote is '''xxx.xx''' plus shipping.
 
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==January 02, 2014==
 
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*Al output plate drawing #2013.1.001.0008 is updated to accommodate vacuum chamber's cross (11" cut changed to 8" and added slot cuts for small flanges);
 
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*Reassembled Lesker cross drawing #2013.1.001.0030 is updated (file name changed and added some dimensions for clarity);
 
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*Assembly drawing #2013.1.001.0021 is updated for clarity;
 
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==January 02, 2014==
 
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PMMA's o-ring design
 
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*o-ring material :
 
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** Viton (V1436-75, V1475-75, V1476-75)
 
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** Assumption made: viton = fluorocarbon, hardness we nee 70-80
 
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*o-ring size nominal: ID=4-1/2, OD=4-3/4, W=1/8;
 
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*o-ring size actual: ID=4.484", W=0.139";
 
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*grove shape and dimensions:
 
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** chapter 4.3, section IV - static o-ring sealing, Parker o-ring handbook.pdf:
 
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*** groove shape standard;
 
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*** ID=4.484", W=0.161", OD=4.806", Depth = 0.104", R=0.017", Finish = 16 RMS uinch;
 
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** also see Eriks groove/o-ring calculator [http://oringcalculator.eriksgroup.com/#], pdf report [[File:03012014162515.pdf]]
 
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=X-pinch driver fabrication to do list=
 
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*Can we use cross instead of cube? '''(A: Cross - not, but reduced cross - yes)''';
 
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*Do we need to use Cu gasket to seal CF flange? If so, we need a lot of them for every shot. '''(A: yes, we need to use Cu gaskets)''';
 
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*X-pinch cathode/anode design and fabrication:
 
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**Design x-pinch cathode/anode '''(in progress, drawings #2013.1.001.0010-0021 is finished and need to be approved by Spielman)''';
 
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**Discuss possibilities of fabrication in IAC with Kevin;
 
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**Fabricate anode/cathode/vacuum_chamber parts, drawings #2013.1.001.0010-0021;
 
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*X-pinch vacuum chamber design and fabrication:
 
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**Design x-pinch vacuum chamber, '''(done: drawings #2013.1.001.0021 (assembly)  and 2013.1.001.0030 (Lesker reassembled cross))''';
 
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**Include Al plate's taped holes in drawing #2013.1.001.0008 '''(done)''';
 
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**Discuss reassembling possibilities with Kevin;
 
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**Buy all parts for x-pinch vacuum chamber:
 
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***Buy LESKER 8"/2-3/4" reducing cross '''(done: bought on 12/30/13, RACL60, expected delivery Jan 16, 2014)''';
 
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***Identify all flanges/viewports/gaskets/fasterners for cross;
 
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***Buy all flanges/viewports/gaskets/fasterners for cross;
 
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*O-Rings:
 
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**Identify o-rings and locate position in PMMA '''(done: ~3 mm, ~ 1/2" from PMMA inner diameter)''';
 
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**Include o-ring's grooves into the PMMA drawing #2013.1.001.0018;
 
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**Identify/buy o-rings;
 
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*Identify/buy charging lines;
 
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*Locate vacuum pump
 
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*Diagnostics: Rogowskii and B-Dot:
 
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**Read Rick's notes and paper;
 
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**design and include in drawing;
 
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**fabricate;
 

Latest revision as of 22:40, 22 January 2014

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