1. 10-Jun-16S.Movchan Straw manufacturing and QC1 Straw manufacturing conditions and QC tape and straw parameters specification conditions of straw production QC: straw parameters measurement results overpressure test at dP=3 Bar seam QC by microscope conclusion Presented by S.Movchan

2. 10-Jun-16S.Movchan Straw manufacturing and QC2 Tape specification spool # 001-999 batch # 01-99 visual inspection: tape coating in spool is on correct side? No (Yes) spool and tape scratches, crush, tape edges, … oil on surface exist?No (Yes) mylar typexx (or MD) mylar thickness (36.0+/-1.0) µm tape width (31.4+/-0.1) mm tape length (100 – 200) m (Cu+Au) thickness of coating(750+/-50) A resistance (35+/-5) Ohm/m shipment list scan of list -> to DB Mylar: mylar typexx (homogeneous mech. properties) or MD stress to produce 5% elongation105 MPa (T=25 degree) (180-?) tensile strength200 MPa (T=25 degree) (230-?) CO2 permeability 6 cc/m2 per 24h (atm/mm) (T=25 degree) N2 permeability0.4 cc/m2 per 24h (atm/mm) (T=25 degree) Density1.4 g/cm3

3. 10-Jun-16S.Movchan Straw manufacturing and QC3 Straw specification Straw dimensions and properties:  (D0)- (9.75  0.05) mm elliptic shape -  0.1 mm (diff. D1 and D2 from D0) seam width- (0.6  0.2) mm (inside straw) seam shape- “good” by visual inspection length- 2100 mm active area (total-(2300  1) mm at dP=0 Bar)) non straightness -  0.1 mm (at dP=1 Bar)  increasing- (0.04  0.01) mm (at dP=1 Bar) gas leakage - < 0.003 cc/min (N2 at dP=1.5 Bar) skin resistance R- (35  5) Ohm/m seam tensile test- >xxx MPa (?) Production technology and rate: ultrasonic welding 5 min per straw (speed about V=8 mm/sec)

4. 10-Jun-16S.Movchan Straw manufacturing and QC4 Conditions of straw manufacturing

5. 10-Jun-16S.Movchan Straw manufacturing and QC5 Conditions of straw manufacturing set up of the welding machine: ultrasonic generator: clock F=38.5 MHz, P=30% head temperature: Troom+(10-15) degree ultrasonic head pressure to Cu/Au tape: about 270 g (position II of ribbon cord) spool friction: ???? (30-50) g tape friction: ???? (200-300) g speed of straw transport mechanics: about 8 mm/sec flush of welding zone by ionization gun at low flow manual check seam quality by microscope with video chamber (simultaneously with welding, write file for each straw) for each straw cut 2 samples (start and end) and to do seam test by hand (like tensile machine, across and along seam) measurement seam width by optic microscope (requirement: W=(0.4-0.8) mm) straw internal diameter check by gouge straw round shape check by eyes

6. 10-Jun-16S.Movchan Straw manufacturing and QC610-Jun-166 Temperature measurement of heard and anvil T head = T room + 15 degree T anvil = T room T head = T room + (10-15) degree Study results During straw fabrication:

7. 10-Jun-16S.Movchan Straw manufacturing and QC7 Ultrasonic head temperature control Straw #T start, degreeT end,degree 22 20 2321- 2422- 2524- 2621- 272521 2823- Head lost (2-4) degree during straw welding time dT=5 min

8. 10-Jun-16S.Movchan Straw manufacturing and QC8 Gun with ionization air: for clean of anvil and tape from dust

9. 10-Jun-16S.Movchan Straw manufacturing and QC9 Seam shape QC by microscope weld seam shape Straw #File namecomment 22straw_22_…. 23straw_23_…. 24lost 25straw_25_…. 26straw_26_…. 27straw_27_…. 28straw_28_…. Each file: about 2000 photos.BMP size – 1.5 GByte

10. 10-Jun-16S.Movchan Straw manufacturing and QC1010-Jun-1610 Straw diameter check by “go - no go” gauge Straw #D in start mm D in end mm 229.77 239.779.75 249.779.75 259.779.75 269.75 279.779.75 289.779.75 Straw Din = (9.75-9.77) mm

11. 10-Jun-16S.Movchan Straw manufacturing and QC11 Seam width measurement by optic microscope Straw # Seam width Start, mm Seam width End, mm 220.50.35 230.4 240.35 250.350.4 260.40.5 270.350.4 280.5 Weld seam width inside straw is (0.35-0.5) +/- 0.05 mm

12. 10-Jun-16S.Movchan Straw manufacturing and QC12 Seam width photo by Intel microscope Straw #22 start end Straw #23Straw #24

13. 10-Jun-16S.Movchan Straw manufacturing and QC13 Seam width photo by Intel microscope Straw #25 start end Straw #26Straw #27

14. 10-Jun-16S.Movchan Straw manufacturing and QC14 Seam width photo by Intel microscope Straw #28 start end

15. 10-Jun-16S.Movchan Straw manufacturing and QC15 Overpressure test at dP=3 Bar Overpressure test at dP=3 bar Straw #dT, mincomment 2250send to CERN 23BADCERN (cut to 2 pc) 2425CERN (cut to 2 pc) 2540send to CERN 2650 Dubna 2720send to CERN 2830 Dubna Straws were tested at dP=3 Bar dT=(20-50) min

16. 10-Jun-16S.Movchan Straw manufacturing and QC16 Conclusion Tape and straw specifications – some modification to do Welding machine modification: ultrasonic head heating: +(10-15) degree by fan new motor for straw transportation speed V=8 mm/sec (instead 25 mm/sec) ionization gun (remove dust from tape) 7 new straws fabricated: 5 straws delivery to CERN 2 straws storage at Dubna

17. 10-Jun-16S.Movchan Straw manufacturing and QC17 Spare Seam control by microscope: back light = x-ray control

18. 10-Jun-16S.Movchan Straw manufacturing and QC18 Example: straw #26 start end Top lightBack light

19. 10-Jun-16S.Movchan Straw manufacturing and QC19 Example: straw #28 Top light start Back light

20. 10-Jun-16S.Movchan Straw manufacturing and QC 20 Back light = x-ray control 2 mylar layers single mylar no metal metal Overlapping area allay

21. 10-Jun-16S.Movchan Straw manufacturing and QC 21 Back light = x-ray control 2 mylar layers single mylar no metal metal Overlapping area allay

22. 10-Jun-16S.Movchan Straw manufacturing and QC22 Excellent quality of seam: uniformity welding straw #28, end