Documentation review: Beam tube assembly Comments given by CERN to the technical file submitted by Niowave prior to release for fabrication 16/10/20141.

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Presentation transcript:

Documentation review: Beam tube assembly Comments given by CERN to the technical file submitted by Niowave prior to release for fabrication 16/10/20141

Material samples #DrawingComments R000-A02t=3mm, ok but for cavity body t=4mm (new samples) 2Please indicate that edges of the plate are either parallel or perpendicular to rolling direction R000-A04idem 16/10/20142 Samples are to be provided for every batch of material (heat nº) CERN material certificates for SS flanges:

Last comments sent (all prints) #Drawing Comment A50 D7 – welded from both sides? A53 D5 – welded from both sides? Same for C A13 B5 – position 1 and 2 not indicated on the drawing Complex welding to be discussed P02 Deep drawing seems too deep. Is there enough material? + trimming… P05 Same as for P A51 C6 – welding detail: 60/60 but only 1 side? A73 B1 – filet brazing (Nota) – tbd B1 – radius 0.1mm might be increased in all CF flanges (tbd) (sheet 2/2) B7, C2 – geometrical tolerances tbd (sheet 2/2) P02 C6 – mixed tolerances? A78 Geometrical tolerances to be discussed P01 Missing welding detail of the tube A76 D6- welded 60% from both sides? P03 Missing welding detail of the tube P05 B6 – g6 or H7? P01 Missing welding detail of the tube P01 Missing welding detail of the tube P01 Missing welding detail of the tube P02 Missing welding detail of the tube P01 B5 – geometrical tolerances tbd A5 – missing reference C… A7? A77 Brazing symbol. Why filet weld is required? Leak tightness? Tbd B7 – sheet 2/2 – tolerances to be discussed Machining of centre slot not indicated 16/10/20143

Production prints: summary 16/10/20144 #DrawingComments A50 1-2B7 – missing reference A50 2-2tolerances to be discussed… Note 2: orientation critical… is it shown? P02B6 – tolerances enough? tbd P02(!) A73 2/2 Step in the inner diameter tbd P03tolerances to be discussed… R001-P03Missing tolerances on inner diameter Welding symbol: change side See next slide A73Welding annotations: W01, W02, W03…next slide Intermediate assembly step: add geometrical tolerances?

16/10/20145 Production prints: specific comments

16/10/20146

7

8

9 Discussed during the meeting- to be checked (consistency of tolerances)

16/10/201410

Suggestions for welding details 16/10/ Technical contact: Paula Freijedo-Menendez

16/10/ Technical contact: Paula Freijedo-Menendez