Straw Material, weld line latest news and plans

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N. Dixon PH / DT N. Dixon PH / DT CE CE 1 Straw Material Straw Material , weld , weld line line latest news latest news and plans and plans

description

Straw Material, weld line latest news and plans. Material. Status. Tests foreseen + QC. Weld line. Status. Foreseen modifications. Straw storage under pressure. Nipple design. Control in time. Coating of PET. Fraunhofer successfully coated samples on 7/7/10 - PowerPoint PPT Presentation

Transcript of Straw Material, weld line latest news and plans

N. Dixon PH / DT N. Dixon PH / DT CERN 12 Jul CERN 12 July 2010 y 2010

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Straw MaterialStraw Material, weld line, weld linelatest news latest news and plansand plans

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Material.Material.Status.Status.Tests foreseen + QC.Tests foreseen + QC.

Weld linWeld line.e.Status.Status.Foreseen modifications.Foreseen modifications.

Straw storage under pressure.Straw storage under pressure.Nipple design.Nipple design.Control in time.Control in time.

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Coating of PETCoating of PETFraunhofer successfully coated samples on 7/7/10Fraunhofer successfully coated samples on 7/7/10RNK 2600RNK 2600 ( coated on non treated side ) ( coated on non treated side )

30metres 50nm Cu + 20 nmAu30metres 50nm Cu + 20 nmAu30metres 100nm Cu + 20 nmAu30metres 100nm Cu + 20 nmAu

Melinex 406Melinex 406

30metres 50nm Cu + 20 nmAu30metres 50nm Cu + 20 nmAu30metres 100nm Cu + 20 nmAu30metres 100nm Cu + 20 nmAu

Slitting to follow, and return to CERN week 30Slitting to follow, and return to CERN week 30

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Tests foreseen + QCTests foreseen + QCSeveral QC test as specified in EDMS Id: 1079692Several QC test as specified in EDMS Id: 1079692

Mechanical (all dimensions)Mechanical (all dimensions)

Creep test .Creep test .

Bonding Bonding

Peel of metal coatingPeel of metal coating

Bonding of PET to a substrateBonding of PET to a substrate

XPS analysisXPS analysis

PermeationPermeation

MEBMEB

In parallelIn parallel

Ultra sonic welding.Ultra sonic welding.

MEBMEB

Tensile test of weldTensile test of weld

Leak testLeak test

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Weld LineWeld LineProgress made since December 2009 Progress made since December 2009 (last visit)(last visit)

Weld line now installed in clean and controlled environment.Weld line now installed in clean and controlled environment.Drawing mechanism.Drawing mechanism.Forward speed for quality weld.Forward speed for quality weld.Online microscope control of weld.Online microscope control of weld.

Not yet completed, or new actions: by SEPTEMBER 2010Not yet completed, or new actions: by SEPTEMBER 2010Overlap of seemOverlap of seem / / Seem size. RepeatabilitySeem size. Repeatability..Spool tension deviceSpool tension device, with active control. , with active control. ExExists but not fitted. ists but not fitted.

Tension to be calibrated as this directly affects tape bucklingTension to be calibrated as this directly affects tape bucklingPre shaping rollers, to minimise tape buckling.Pre shaping rollers, to minimise tape buckling.New anvil Design, to be completed + manufacture.New anvil Design, to be completed + manufacture.Force needed on sonotrode. NeedForce needed on sonotrode. Needs to be calibrated dead weight.s to be calibrated dead weight.Sonotrode shape design to be a copy of current horn. Sonotrode shape design to be a copy of current horn. Ski device to be fitted in front of the fiSki device to be fitted in front of the fixture.xture.Fixture to be shortened.Fixture to be shortened.Metrology of all parts. For assembly and alignment purposes.Metrology of all parts. For assembly and alignment purposes.Clean room working conditions to be followedClean room working conditions to be followedTraceability of weld Traceability of weld campaigns to include campaigns to include date, spool used, weld parameters, T, humidity, quantity date, spool used, weld parameters, T, humidity, quantity

produced, tool wear, comments...). All changes occurring on the line to be recorded in a produced, tool wear, comments...). All changes occurring on the line to be recorded in a databasedatabase

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Weld LineWeld Line

Weld line now installed in clean Weld line now installed in clean and controlled environment.and controlled environment.

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S.Movchan Straw manufacturing and QC

Seam shape on-line QC by microscope set up

weld seam shape

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S.Movchan Straw manufacturing and QC

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Software: seam quality on-line control

Each seam photo size is about8x10 mm2 at zoom x16 and straw production speed of V=9 mm/sec. So we have some frame overlapping of neighbor Photos.

File record – set of about 250 .bmp photos

File processing: - modes: - manual - auto (0.8 sec per frame)-good/bad seam alarm level: - typical is 0.05

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Straw machine in JINRStraw machine in JINR

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Straw machine in JINRStraw machine in JINR

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Straw storage under pressureStraw storage under pressure

Nipple design.Nipple design.

Simple design with no moving parts.Simple design with no moving parts.

Straw tube side Gas inlet side

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Latex Tube is non-return valveLatex Tube is non-return valve

Latex tube

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Straw storage under pressureStraw storage under pressure

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ConclusionsConclusions

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Weld line needs more work before becoming fully operational.

PET research and development appears to be coming to an end.

We have solutions JINR / CERN for storage under pressure.

We should target a start date for full production in September 2010

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JINR nipple solutions follow

First presented in Dubna 7/7/10 by V. Elsha, T. Enik

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Manufacturing end plugs for Manufacturing end plugs for strawstraw

Dubna 07.2010

V. Elsha, T. Enik

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•Manufacturing end plugs is necessary for long term leakage test of the straw in storage time under pressure•One of two end plug should be possibly inside of the straw for easy mounting because overpressure in the straw is useful for mounting straw to frame

Was tested three types of end plugs which may be used in different combinationAll of them seems to be suitableFinal choice will be complete with sufficient production statistic

V. Elsha, T. Enik Dubna 07.2010

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1.Filled end plug1.Filled end plug

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Polymerization should be finished with straw in vertical position.

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2.Filled end plug with nipple2.Filled end plug with nipple

Preparation of the cap

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These are the same processes like previous

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3. Pumping of the straw3. Pumping of the straw

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Cut off thick part is good for mounting over pressured straw

Polymerization should be finished under pressure

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4. Filled Internal end plug4. Filled Internal end plug

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Stycast 1266

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On the another side of the straw should be nipple plug

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5.Nipple from pneumatic tyre5.Nipple from pneumatic tyreMechanical treatment is necessary

Gluing

Pumping

Leakage water test

Max. leakage is 4 mm2 /day for 1 of 4 straw

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ConclusionConclusionEnd plugs filled in cap:

+ seems to be reliable compacting- need high room for vertical polymerizations- need additional cutting operation

End plug filled on silicone:+ inside of the straw (low diameter)- need high room for vertical polymerizations - compacting depend on adhesion

End plug glued to straw:+ There is possibility easy adjust pressure in the straw- Need mechanical treatment- High weight and cost

V. Elsha, T. Enik Dubna 07.2010