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ligo-ex
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| Richardson Lab Experimental Log |
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Message ID: 11
Entry time: Mon Oct 3 17:21:39 2022
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| Author: |
Cao |
| Type: |
Update |
| Category: |
TCS |
| Subject: |
Inspection of macor parts |
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The macor parts arrived and inspected today. These include:
- Macor spacer (drawing:
LIGO_Redesign_Macor_Spacer_Drawing_v4.pdf attached below), quantities: 40
- No defects, damages observed
- Parts are free from grease/ machining fluid
- Wall thickness of 1 mm appear to provide sufficient stiffness to part
- Images of parts:
Macor_spacer_0.jpg, Macor_spacer_1.jpg
- Macor 5-40 UNC screw (drawing:
LIGO_Redesign_Macor_Screw_Drawing_v6.pdf attached below), quantities: 20
- One screw broke, location of break: should edge between head and shaft (see image
Macor_screw_5.jpg )
- All other screws look ok, no damage observed, clean surface overall
- Images:
Macor_screw_0.jpg , Macor_screw_4.jpg
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