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Dubna modules assembly status (October 14 2013) Straw manufacture: current serial number is # 6527 for CH2 M2 X-Y 900 straws are glued for CH4 M1 U-V 900 straws are ready for CH4 M2 X-Y 776 straws are manufactured CH2 M1 U-V status CH2 M2 X-Y status CH4 M1 U-V status
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Dubna modules assemblystatus (October 14 2013) • Straw manufacture: • current serial numberis # 6527 • for CH2 M2 X-Y900 straws are glued • for CH4 M1U-V 900 straws are ready • for CH4 M2X-Y 776 straws are manufactured • CH2 M1 U-Vstatus • CH2 M2 X-Ystatus • CH4 M1 U-Vstatus • CH2 M1 U-Vdelivery to CERN • Presented by S.Movchan 4-Nov-14 S.Movchan Straw manufacturing and QC 1
Straws • 900 straws for CH2 M2 X-Y(2-nd Dubna module) are glued: • # (2990-3567) ~ 400 pc • # (3568-4394) - 50 pc • # (4395-4842) ~ 450pc • 900 straws for CH4 M1 U-V(3-d Dubna module) are ready: • # (4843-5750) • 776straws for CH4 M2 X-Y(4-th Dubna module) are manufactured: • # (5751-6527) 4-Nov-14 S.Movchan Straw manufacturing and QC 2
CH2 M1 U-Vstatus 4-Nov-14 S.Movchan Straw manufacturing and QC 3
Dubna assembly site (LHEP, bld.217) CH2 M1 U-V Start – 28/09/2012 finish of straw gluing (07/02/2013) Quality control by laser Module vacuum test: Leak ~ 500 mbar*cm3/min 4-Nov-14 4
Module removed from assembly tooling (June 2013) 4-Nov-14 S.Movchan Straw manufacturing and QC 5
CH2 M1 U-V: U-coordinate gas leak test Leak: 15 mBar/3 days at P=1.4 Bar 4-Nov-14 S.Movchan Straw manufacturing and QC 6
CH2 M2 X-Ystatus 4-Nov-14 S.Movchan Straw manufacturing and QC 7
CH2 M2 X-Y installed for assembly (July 16 2013) 4-Nov-14 Microworld physics, Gomel, 2013 8
CH2 M2 X-Y status: all straws glued (October 14 2013) 8layers glued 4-Nov-14 S.Movchan Straw manufacturing and QC 9
CH2 M2 X-Y: straw pre-tension check Example: Y, layer 1 F=(1.75-1.95) kG sensor 4-Nov-14 Microworld physics, Gomel, 2013 10
CH2 M2 X-Y: straw position check top Example: Y, layer 1 middle bottom 4-Nov-14 Microworld physics, Gomel, 2013 11 +/- 100 m
CH4 M1 U-V: vacuum test in progress 4-Nov-14 S.Movchan Straw manufacturing and QC 12
Preparation for module delivery to CERN: 4 pc Shocklog device and dumping pads 4-Nov-14 S.Movchan Straw manufacturing and QC 13
CH2 M1 U-V delivery to CERN 4 safety bolts: frame max shift is limited dL = 10 mm 4-Nov-14 S.Movchan Straw manufacturing and QC 14
Shocklog 2 shocklog with 2 different thresholds will be used 4-Nov-14 S.Movchan Straw manufacturing and QC 15
Conclusion • Straw manufacture: • 900 straws are glued in the CH2 M2 X-Y • 900 straws areready for CH4 M1 U-V • 776 straws are manufactured for CH4 M2 X-Y • CH2 M1 U-V: • straw gluing and wiring – done • final assembly – done • tests (HV, gas leak) – in progress • delivery to CERN – October 2013 • CH2 M2 X-Y: • straw gluing – done • wiring – October 2013 • final assembly – November 2013 • tests (HV, gas leak) – December 2013 • delivery to CERN – January 2014 • “Straw 2” installation – Feb-March 2014 4-Nov-14 S.Movchan Straw manufacturing and QC
4-Nov-14 S.Movchan Straw manufacturing and QC 17