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## page was renamed from Upgrade_09/Suspensions
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== ITM Suspensions ==
The ITMs are being changed into SOS. For this we will need to fab 2 SOS towers.
We will re-use existing OSEMs and misc in-vac hardware.		 <<TableOfContents(2)>>
== ►Suspension records ==
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=== SOS Updates (Mostly ITMs, but where applicable, extra parts for other new Optics): === X/Y are named with the NEW convention.
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29 Oct 2009 - Most of the parts are here, only the EQ stops are left to be dealt with. Most of this stuff needs to visit Bob's lab for cleaning. === ITMX ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> {{attachment:ITMY_OSEM.png}}||Satellite Box #???||
|| UL || 284 || 1.97 || 0.985 ||
|| UR || 306 || 1.71 || 0.855 ||
|| LR || 264 || 1.47 || 0.735 ||
|| LL || 219 || 1.55 || 0.775 ||
|| SD || 261 || 1.67 || 0.835 ||
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30 Oct 2009 - Screws for EQ stops ordered. Also, fixtures should be sent from MIT ~today, so we should get them soon. === ITMY ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> {{attachment:ITMX_OSEM.png}}||Satellite Box #105||
|| UL || 220 || 1.788 || 0.894 ||
|| UR || 289 || 1.656 || 0.828 ||
|| LR || 303 || 1.670 || 0.835 ||
|| LL || 207 || 1.903 || 0.952 ||
|| SD || 277 || 2.002 || 1.001 ||
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3 Nov 2009 - Most of the screws for EQ stops have arrived (a few were backordered, and will be here shortly). Now I need to drill them / have the shop drill them for the viton. === ETMX ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> ||Satellite Box #???||
|| UL || 526 || 1.47 || 0.735 ||
|| UR || 567 || 1.36 || 0.68 ||
|| LR || 513 || 1.60 || 0.80 ||
|| LL || 511 || 1.76 || 0.88 ||
|| SD || 590 || 0.108(?) || - ||
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5 Nov 2009 - Most of the 6-32 screws have been drilled for the viton. The 1/4-20 3/4" screws have arrived, but the 1/4-20 1.5" screws won't be here until early December. === ETMY ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> ||Satellite Box #???||
|| UL || 502 || 1.7 || 0.85 ||
|| UR || 568 || 1.631 || 0.8155 ||
|| LR || 226 || 2.105 || 1.0525 ||
|| LL || 205 || 1.582 || 0.791 ||
|| SD || 552 || 1.490 || 0.745 ||
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|| '''Item''' || '''# in Drawing D960001''' || '''DCC / Part Number''' || '''Qty Needed PER SUS''' || '''Qty Needed for Upgrade''' || '''Qty Have IN HAND''' || '''Plan''' ||
|| Sensor/Actuator Plate || 1 || D960002 || 2 || 4 || 4 || DONE ||
|| Suspension Block || 2 || D960003 || 1 || 2 || 2 || DONE ||
|| Tower Base || 3 || D960004 || 1 || 2 || 2 || DONE ||
|| Right Side Plate || 4 || D960005 || 1 || 2 || 2 || DONE ||
|| Left Side Plate || 5 || D960006 || 1 || 2 || 2 || DONE ||
|| Upper Mirror Clamp || 6 || D960007 || 1 || 2 || 2 || DONE ||
|| Lower Clamp || 7 || D960008-1 || 1 || 2 || 2 || DONE ||
|| Lower Clamp, Opposite || 8 || D960008-2 || 1 || 2 || 2 || DONE ||
|| Wire Clamp || 9 || 1205308-1 (kind of #?) || 1 || 2 || 3 || DONE ||
|| Clamp, Suspension Block || 10 || D960134 || 2 || 4 || 5 || DONE ||
|| Stiffener Plate || 11 || D960009 || 1 || 2 || 2 || DONE ||
|| Dumbbell Standoff || 12 || D970075 || 6 || 7 optics x 6 = 42 || 15 in boxes from LLO, plus many in Bob's cleanroom || done? ||
|| Safety Stop, Long || 13 || D970313 || 2 || Enough to replace EQ stops for ALL optics? || || Screws to arrive in early Dec. Need to drill holes for viton, clean&bake, insert viton ||
|| Optic || 14 || Various || 1 || || || DONE when delivered from ATF ||
|| Sensor/Actuator Assembly || 15 || D960011 || 5 || 10 || 6 short OSEMS in SUS Clean Plastic Box || Reuse (long) OSEMs from current ITM MOSs - DONE ||
|| Wire Standoff || 16 || D970187 || 2 || 7 optics x 2 + spares = 18 || 7 || Requested 25 from Shop. Expected in 1-2 weeks ||
|| Guide Rod || 17 || D970188 || 2 || 7 optics x 2 + spares = 18 || 3 || Requested 25 from Shop. Expected in 1-2 weeks ||
|| Magnet || 18 || D960501 || 6 || 7 optics x 6 = 42 || ~100 in Bob's Cleanroom || DONE - need to match sets still ||
|| Safety Stop, Small || 19 || D960312 || 4 || Enough to replace EQ stops for ALL optics? || || Holes drilled. Need to clean&bake, insert viton ||
|| Safety Stop || 20 || D960311 || 4 || Enough to replace EQ stops for ALL optics? || || Screws arrived. Need to drill holes for viton, clean&bake, insert viton ||
|| || There is no 21 || || || || || ||
|| SST Spring Plunger, 10-32 || 22 || 84985A999 (McMaster Part #) || 5 || 10 || 22 || DONE ||
|| SST SOC HD CAP Screw || 23 || 4-40, 3/8" || 4 || 8 || 10 || DONE ||
|| SST SOC HD CAP Screw || 24 || 4-40, 1/2" || 8 || 16 || 20 || DONE ||
|| SST SOC HD CAP Screw || 25 || 1/4-20, 3/4" || 20 || 40 || 50 || DONE ||
|| SST SOC HD CAP Screw || 26 || 1/4-20, 1.25" || 4 || 8 || 10 || DONE ||
|| SST Lock Washer || 27 || 1/4" || 4 || 8 || 50 || DONE ||
|| SST Washer || 28 || 1/4" || 4 || 8 || 50 || DONE ||
|| Steel Music Wire || 29 || Diam=0.0017", CFW || || || || DONE ||
|| Viton for EQ stops || || || || || || DONE - Clean Plastic Boxes ||
|| Fixtures || || || || || || @ MIT - in Progress (Rana) ||		 === PRM ===
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== Tip/Tilt Suspensions ==
For the PRC/SRC folding we will use Tip/Tilt stages modified to be used passively.
No active damping, no coil drive. Just magnets and natural eddy current damping.		 || OSEM || S/N || Max out || Max/2 ||<v|6> {{attachment:PRM_OSEM.png}}||Satellite Box #???||
|| UL || 516 || 1.748 || 0.874 ||Short OSEMs||
|| UR || 520 || 1.695 || 0.848 ||
|| LR || 504 || 1.934 || 0.967 ||
|| LL || 511 || 2.076 || 1.038 ||
|| SD || 500 || 9.21 --(1.680)-- || 4.605||
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== MC ==
We will re align the MC suspensions so that we are centered on the mirrors this time.		  . /!\ '' Valera changed the trans impedance gain of SD OSEM '' [[http://nodus.ligo.caltech.edu:8080/40m/3913|ELOG#3913]]
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== Others ==
The PRM, SRM, and BS will remain SOS. No new towers.		 === SRM ===
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The ETMs will remain MOS. No new towers. || OSEM || S/N || Max out || Max/2 ||<v|6> {{attachment:SRM_OSEM.png}}||Satellite Box #???||
|| UL || 522 || 1.744 || 0.872 ||Short OSEMs||
|| UR || 513 || 1.773 || 0.887 ||
|| LR || 515 || 1.636 || 0.818 ||
|| LL || 519 || 2.071 || 1.036 ||
|| SD || 502 || 1.758 || 0.879 ||


=== BS ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> ||Satellite Box #???||
|| UL || - || 1.50 || 0.75 ||
|| UR || - || 1.57 || 0.785 ||
|| LR || - || 1.57 || 0.785 ||
|| LL || - || 1.38 || 0.69 ||
|| SD || - || 1.57 || 0.785 ||

=== MC1 ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> ||Satellite Box #???||
|| UL || - || 1.3 || 0.650 ||
|| UR || - || 1.4 || 0.700 ||
|| LR || - || 1.45 || 0.725 ||
|| LL || - || 1.56 || 0.780 ||
|| SD || - || 1.67 || 0.835 ||


=== MC2 ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> ||Satellite Box #???||
|| UL || - || - || - ||
|| UR || - || - || - ||
|| LR || - || - || - ||
|| LL || - || - || - ||
|| SD || - || - || - ||


=== MC3 ===
|| OSEM || S/N || Max out || Max/2 ||<v|6> ||Satellite Box #???||
|| UL || - || 1.37 || 0.685 ||
|| UR || - || 1.71 || 0.855 ||
|| LR || - || 1.77 || 0.885 ||
|| LL || - || 1.56 || 0.780 ||
|| SD || - || 1.59 || 0.795 ||


== ►Other suspensions ==
We will realign the MC suspensions so that we are centered on the mirrors this time.

The PRM, SRM, and BS will remain SOS. No new towers.The ETMs will be replaced to the SOSs later. They exist on the flow bench at the Yend.

Contents

  1. ►Suspension records
  2. ►Other suspensions

►Suspension records

X/Y are named with the NEW convention.

ITMX

OSEM

S/N

Max out

Max/2

ITMY_OSEM.png

Satellite Box #???

UL

284

1.97

0.985

UR

306

1.71

0.855

LR

264

1.47

0.735

LL

219

1.55

0.775

SD

261

1.67

0.835

ITMY

OSEM

S/N

Max out

Max/2

ITMX_OSEM.png

Satellite Box #105

UL

220

1.788

0.894

UR

289

1.656

0.828

LR

303

1.670

0.835

LL

207

1.903

0.952

SD

277

2.002

1.001

ETMX

OSEM

S/N

Max out

Max/2

Satellite Box #???

UL

526

1.47

0.735

UR

567

1.36

0.68

LR

513

1.60

0.80

LL

511

1.76

0.88

SD

590

0.108(?)

-

ETMY

OSEM

S/N

Max out

Max/2

Satellite Box #???

UL

502

1.7

0.85

UR

568

1.631

0.8155

LR

226

2.105

1.0525

LL

205

1.582

0.791

SD

552

1.490

0.745

PRM

OSEM

S/N

Max out

Max/2

PRM_OSEM.png

Satellite Box #???

UL

516

1.748

0.874

Short OSEMs

UR

520

1.695

0.848

LR

504

1.934

0.967

LL

511

2.076

1.038

SD

500

9.21 1.680

4.605

  • /!\ Valera changed the trans impedance gain of SD OSEM ELOG#3913

SRM

OSEM

S/N

Max out

Max/2

SRM_OSEM.png

Satellite Box #???

UL

522

1.744

0.872

Short OSEMs

UR

513

1.773

0.887

LR

515

1.636

0.818

LL

519

2.071

1.036

SD

502

1.758

0.879

BS

OSEM

S/N

Max out

Max/2

Satellite Box #???

UL

-

1.50

0.75

UR

-

1.57

0.785

LR

-

1.57

0.785

LL

-

1.38

0.69

SD

-

1.57

0.785

MC1

OSEM

S/N

Max out

Max/2

Satellite Box #???

UL

-

1.3

0.650

UR

-

1.4

0.700

LR

-

1.45

0.725

LL

-

1.56

0.780

SD

-

1.67

0.835

MC2

OSEM

S/N

Max out

Max/2

Satellite Box #???

UL

-

-

-

UR

-

-

-

LR

-

-

-

LL

-

-

-

SD

-

-

-

MC3

OSEM

S/N

Max out

Max/2

Satellite Box #???

UL

-

1.37

0.685

UR

-

1.71

0.855

LR

-

1.77

0.885

LL

-

1.56

0.780

SD

-

1.59

0.795

►Other suspensions

We will realign the MC suspensions so that we are centered on the mirrors this time.

The PRM, SRM, and BS will remain SOS. No new towers.The ETMs will be replaced to the SOSs later. They exist on the flow bench at the Yend.

Suspensions/OSEMs (last edited 2012-02-07 01:51:48 by KiwamuizumiATligoDOTorg)