installation of the new end mirror 1frans mul - [email protected] july 2008
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The goal, a new mirrorMirror 140 mm replaces mirror 80 mm in the I.M.C.
Frans Mul - [email protected] July 2008
Index New design New marionette New mirror New recoil mass New gear box New installation tool Balancing Electrical test Installation in the I.M.C. end tower Numbers Future improvements
3Frans Mul - [email protected] July 2008
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New designDesign by: Roma 1 and Nikhef
8 July 2008
A new design of the marionette and gear boxdue to a larger mirror (140 mm) and Reaction Mass.
- The pitch between the wires from the mirror measures140 mm.- The pitch between the wires from the RM measures190 mm.- The mirror and RM range for- and backward is 55 mm.
55 mm
55 mm
190 mm
140 mm
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New marionetteFrequency results by: Paola, Eric
Pre design
8 July 2008
center of gravity
New marionetteCenter of gravity
Compensation ring for a heavy gear box
Gear box with the contra tungsten mass
6Frans Mul - [email protected] July 2008
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New marionetteMachining by: Willem
8 July 2008
Start with 200 kg After machining 75 kg
ACP 5080AlMg4,5Mn0,7 , Werkstoffzustand 3.3547
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New marionetteWiring by: Vincenzo, Fabio, Francesco, Rodolphe
8 July 2008
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New mirrorInstallation by: Michele, Paola
8 July 2008
From the container to the installation tool and vacuum clamp.
The front and back side of the mirror is covered with a protection foil.
Technical details
Beautiful, no
scratching !
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New recoil massVertical balancing: by Paola
Old recoil mass New recoil mass
center of gravity
8 July 2008
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New gear boxWhat is new ?
The pitch between the wiresThe bearings, ceramic and linear The self-brake wire stretchersThe end stopsThe tungsten contra mass The 55 mm for- and backward range
old
8 July 2008
Self-brake wire stretcher
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New installation tool
Gear box
R.M. X-Y-ZTranslation units
Mirror X-Y-ZRoll, yaw, pitchTranslation units
Frame
Mirrorvacuum clampunit
8 July 2008
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mass = mass
New installation toolInstallation tool by: Nikhef
Tungsten contra mass
Mirror and reaction mass
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New installation toolWiring by: Paola
Mirror vacuum clamp
8 July 2008
Steel wires 0.2 mm
8 mm
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New installation toolWiring by: Paola, Michele
Peeling the protection foil
With out the compensation ring
detail
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BalancingHorizontal at NIKHEF 10 April 2008 by: Paola, Thomas, Maurizio
For the vertical balancing we use a water level 0.05 mm / mBalancing incl. gear box, 2 trim mass, top mass end 2 solid aluminum mass.
During this procedure the safety belts where taken off!
8 July 2008
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BalancingVertical at NIKHEF 10 April 2008 by: Paola, Thomas, Maurizio
For the vertical balancing we use a theodolite.Balancing incl. gear box, 2 trim mass, top mass end 2 solid aluminum mass.
8 July 2008
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Electrical testTrim mass test in the marionette by: Vincenzo, Fabio
TungstenTrim mass
Open contact
Each switch has been tested for 30 times in open and closed position
30x 30xEnd switch with kapton isolation
8 July 2008
Small modifications by Paul
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30x 30x
Electrical testGear box test by: Vincenzo, Fabio
8 July 2008
Each switch has been tested for 30 times in open and closed position.
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Installation in the I.M.C. end towerHighway to building ……….
8 July 2008
The road
Road test
Marionette on the road
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Installation in the I.M.C. end towerMarionette by: Franco, Jo
8 July 2008
Modification marionette lifting tool
The marionette on his way
The marionette on his wire
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Installation in the I.M.C. end towerMarionette by: Franco, Piero
8 July 2008
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Installation in the I.M.C. end towerMarionette by: Franco, Piero
8 July 2008
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Installation in the I.M.C. end towerMirror and RM by: Piero, Franco, Michele
8 July 2008
After the mirror installation the safety structure is mounted.
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Installation in the I.M.C. end tower Mirror and RM by: Piero, Franco
8 July 2008
Each switch has been testedin open and closed position.The mirror and RM is moved55 mm for- and backwards.
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Installation in the I.M.C. end tower Mirror and RM by: Piero, Franco
8 July 2008
It looks like the design!
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Installation in the I.M.C. end towermirror end reaction mass
8 July 2008
Tuesday 01 July 2008 The MC tower bottom part has been finally closed and at about 12:15 AM (local time) the pumping system started the tower evacuation.
The protection film of the MC mirror has been successfully removed.
https://pub3.ego-gw.it/logbook/index.php?area=logbook&target=0&counter=1
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Numbers Marionette mass inclusive: Top mass, 2 trim mass 2 moveable trim mass Mounting parts Sub. Total mass: 99.93kg Exclusive wires, mounting strips en bolds for the wires. Gearbox mass: 4.75kg Contra mass: 13.67kg Exclusive wires. Sub. Total mass: 18.42kg Mirror mass: 1.61kg Inclusive magnets. Reaction mass inclusive: Coils Coil holders Front ring Mounting parts (bolds) Sub. Total mass: 14.16kg
Total mass < 134.12 kg
8 July 2008
Mirror 140 mm thickness 45 mm.The mirror and RM range for- and backward is 55 mm.Wires for the mirror and RM are 0.2 mm steel.
Marionette material:ACP 5080AlMg4,5Mn0,7 , Werkstoffzustand 3.3547
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Future improvements
8 July 2008
Modify transport lorry. Modify entrances off the buildings. Shock sensors during transport. Fixation tool for stabilize recoil mass and
mirror in the tower on the safety structure. All the drawings will be prepared in
Amsterdam and send to Cascina.
