test readiness review 23 october 2003 cral - lyon
TRANSCRIPT
Test Readiness ReviewTest Readiness Review
23 October 200323 October 2003
CRAL - LYONCRAL - LYON
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 22
AgendaAgenda
9h 9h Status and Lab visitStatus and Lab visit
9h15 9h15 Summary of the designSummary of the design
9h309h30 IntegrationIntegration
9h459h45 Overall test planOverall test plan
10h0010h00 Results of individual subsystem testResults of individual subsystem test
11h3011h30 Mechanical and vibration testMechanical and vibration test
12h0012h00 LunchLunch
14h0014h00 Warm test planWarm test plan
14h3014h30 Cold test planCold test plan
15h15h Pupil and slit Mirrors concernsPupil and slit Mirrors concerns
15h1515h15 General discussionsGeneral discussions
16h16h Action listAction list
17h17h EndEnd
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 33
StatusStatus
Prototype manufactured and integratedPrototype manufactured and integrated All components requirements are fulfilledAll components requirements are fulfilled
2 concerns:2 concerns: Slit mirrors optical contact released twiceSlit mirrors optical contact released twice Pupil mirrors released once during deliveryPupil mirrors released once during delivery
One mirror damagedOne mirror damaged Cybernetix remanufacture one line (30th oct)Cybernetix remanufacture one line (30th oct)
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 44
ScheduleSchedule
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 55
Action List ReviewAction List Review
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 66
Design OverviewDesign Overview
Active Stack
Heel
Stack support
Steering mirror
Pupil mirror array
Slit mirror array
Main structure
Substructure
Thrust cylinders
Dummy Stack
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 77
Prototype manufacturedPrototype manufactured
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 88
Optical DesignOptical Design
10 Slices10 Slices 5 pupil mirrors5 pupil mirrors 5 slit mirrors5 slit mirrors
Diaphragm on Diaphragm on re-imaging re-imaging mirrormirror
5 slits to be 5 slits to be studiedstudied
2.754 mm (in slit mirrors and in detector plane)
Incident collimated beam
Folding mirror
Re imaging mirror
Slices Pupil mirrors
Slit mirrors
Camera objective 1
CCD detector
Pupil and slit MirrorsPupil and slit MirrorsConcernsConcerns
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 1010
Pupil and slit mirrors concernsPupil and slit mirrors concerns
Recovery plan from the baseline monolithic solutionRecovery plan from the baseline monolithic solution Not optimized for mechanical strength Not optimized for mechanical strength Optimized to be mechanically compatible with monolithicOptimized to be mechanically compatible with monolithic Optical property are fully in specificationsOptical property are fully in specifications
Mechanical assembly has to be redesignMechanical assembly has to be redesign
October, 23th 2003October, 23th 2003 TRR – Slicer Unit - CRALTRR – Slicer Unit - CRAL 1111
RecommendationRecommendation Redesign and manufacture new pupil and slit linesRedesign and manufacture new pupil and slit lines
Redesign and manufacture new mechanical supportRedesign and manufacture new mechanical support
Conduct vibration and thermal testsConduct vibration and thermal tests
Recommendation: ESA Contract extension (~35k€)Recommendation: ESA Contract extension (~35k€)
Current design
Proposition