Tomelleri S.r.l. Copyright 2007 ADVANCED SYSTEMS
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1 Tomelleri S.r.l. Copyright 2007 ADVANCED SYSTEMS
2 s.r.l.started its activities back in 1984, developing projects (feasibility studies and designs) in astronomy and other sectors (such as machine tools, measuring machines, robotics, etc). Since 1995 has also made supplies in the field of Subsystems of Telescopes and Instruments, and other products as a result of the research in different fields with many patents filed. Tomelleri s facility in Villafranca (VR) - Italy 2
3 FEASIBILITY STUDY AND EXECUTIVE DESIGN At present, provides research, feasibility studies, design and workshop drawings using CAD systems (Pro-E, AutoCad 2009, Inventor), programs for structural calculations (ANSYS Design Space, Solidworks), as well as dynamic system simulation tools (MATLAB & SimuLink). Design and supply of the electrical and electronic parts, hardware and software, are also carried out. High precision X-Y Stage FEA of hydrostatic pad 3
4 ARTICULATED ARM MEASURING MACHINES Portable Articulated Arm Articulated Arm on Table 4
5 PHOTOGRAMMETRY MEASURING SYSTEMS Standard photocamera for car testing 5
6 3D CALIBRATION SYSTEMS FOR MACHINE TOOLS Calibration system for Machine Tools and Accessories for increasing of certified accuracy in all the working field and in all directions with optimization of the accuracy index chosen by the costumer. The Mathematical Model, that includes Automatic Heads and Rotating Tables, compensates also errors due to temperature and combined movements of all axes. Laser Tracker 6
7 IN ASTRONOMY s.r.l. has been and still is involved in major telescope projects in relation to Bearing, Drive and Measurement Systems, as well as Instruments and special devices, conceived in cooperation with the main Italian Astronomical and Astrophysical Observatories (e.g. Arcetri, Padua, Rome, Bologna, Merate, Capodimonte), the European Southern Observatory, the Max Planck Institute, as well as some Observatories in the USA, namely the Stewart Observatory in Tucson and the TMT Observatory Corporation. Most of the projects are then realized including: manufacturing, accuracy test by CMM or by Articulated Arm Measuring Machines, assembly, performance verification, that can be performed with appropriate Test Benches if required. The company has the management of all activities, but in its facilities only assembling, adjusting and testing activities are performed, while the workpieces are machined by other companies. 7
8 cooperates with FORMENTI company, based in Verona, for the machining of most pieces of our production, equipped with horizontal and vertical lathes, boring and milling machines, machines for drilling, grinding, as well as measuring machines for testing the pieces. Formenti s workshop 8
9 SOME SUPPLIES IN ASTRONOMY Feasibility study of the Support, Drive and Measurement system for TNG (Telescopio Nazionale Galileo). Feasibility study, design and production of the Support, Drive and Measurement systems for the LBT Project (Large Binocular Telescope). Feasibility study and design of the Support, Drive and Measurement systems for the Radio Telescope of the VLBI Project. Feasibility study, design and productionof the Hardpoints for the M1 mirror of the MMTC and MAGELLANO Telescopes. Design of the Hardpoints for the M1 mirror of LBT. Design of the Drive units for the Positioning of the De-rotator for the VLT (Very Large Telescope). Design and productionof the mechanics of the LBT Test Camera. 9
10 Feasibility study, design and productionof the mechanical parts of the NIRVANA instrument (GLWFS) for LBT. Feasibility study, design and productionof the mechanics of the GIANO instrument for the TNG. Feasibility study of the Hydrostatic Bearing System, Driving System, Measuring System and Auxiliary Units of the European Extremely Large Telescope (E-ELT). Feasibility study, design and productionof the mechanical parts of the Feasibility study, design and productionof the mechanical parts of the GROUND Feasibility study, design and production of the IQUEyE for NTT. Feasibility study, design and production of the whole main mirror support system for VST. Feasibility study and design of the Hydrostatic Bearing System of the Thirty Meter Telescope (TMT). 10
11 HYDROSTATIC BEARING SYSTEMS In relation to the Hydrostatic Bearing Systems provides research, feasibility studies, design and workshop drawings using CAD systems, programs for structural and thermal calculations, as well as dynamic system simulation tools. Thanks to our experience in the astronomy field, the hydrostatic supports and the related HBS have been developed for specific telescope requirements, which led to new solutions and patents. The most part of the pieces are manufactured at FORMENTI s facilities, that has expertise in the accurate working of the pads with suitable machines and tools, while assembly and testing are performed in our facility including performance verification. Accuracy tests are carried out by third party with CMM. Design and supply of the Oil Control System, piping, electrical and electronic parts, hardware and software, are also carried out. Delivery and on site assistance can be provided when requested. 11
12 SUPPORTS: Technical characteristics High static stiffness High dynamic stiffness Frictionless tilting capability High reliability Low temperature differences even with high pressure Low power consumption Bronze pads glued and screwed Internal oil recovery Special slave pad with springs and auxiliary cylinder Pressures monitored in all pockets Tilt measurement Temperature monitored in the oil and in the pad 12
13 SUPPLY AND CONNECTIONS: Constant pressure supply and laminar resistances Good load sharing on all supports among master and slave pads Free load definition on slave pads High errors admitted on the journals High static and dynamic stiffness on the altitude axis Intrinsic good load distribution and centring of the altitude axis High errors admitted in the tracks and in the pintle bearing High static and dynamic stiffness on the azimuth axis Intrinsic good load distribution and centring on the azimuth axis Low power consumption in the supply system Temperature control system No vibrations, instability or disturbance Active seals 13
14 Master pad 14
15 HBS supplies Design and production of Hydrostatic Bearing System for large Machine Tools and Rotating Tables Design and production of Hydrostatic Bearing System for special Testing Machines Production of parts of water hydrodynamic bearings Design of hydrostatic bearing system for spindles of Machine Tools Design of the Hydrostatic Bearing System and supply of the Oil Control System of the TNG (Telescopio Nazionale Galileo) Feasibility study, design and production of Hydrostatic Bearing System of the LBT Project (Large Binocular Telescope) Feasibility study of the Hydrostatic Bearing System of the European Extremely Large Telescope (E-ELT) Feasibility study and design of the Hydrostatic Bearing System of the Thirty Meter Telescope (TMT) 15
16 LBT azimuth support 16
17 LBT Hydrostatic Control Panel 17
18 Hydrostatic Bearing System of the Large Binocular Telescope (LBT) 18
19 Feasibility Study of Hydrostatic Bearing System for E-ELT 19
20 Hydrostatic Bearing System of the Thirty Meter Telescope TMT 20
21 LBT Prime Focus Red Channel Camera 21
22 TNG Giano infrared instrument: mechanical design 22
23 Nirvana GLWFS instrument: mechanical design 23
24 24
25 LBT M1 Bell Jar Locking Device 25
26 LBT Instruments Locking Device 26
27 LBT Azimuth Rim Gear 27
28 LBT Stow Pins 28
29 LBT Prime Focus Blue Channel Camera 29
30 LBT -Test Camera: design 30
31 LBT - Test Camera: supply 31
32 LBT - Test Camera: integration 32
33 LBT Main Axes Drive Unit 33
34 MMT and Magellan Telescopes main mirror hardpoints 34
35 Magellan main mirror hardpoint 35
36 Magellan 2 - main mirror hardpoints 36
37 LBT M1 Mirror Hardpoint 37
38 ALMA azimuth and altitude stow pins 38
39 Ultra Precision Translation Stage 39
40 HARPS Secondary Guiding 40
41 GLWFS for NIRVANA 41
42 VST M1 Support sub-systems: design & supply 42
43 Measuring of the VST Mirror Cell 43
44 Axial Fixed Point on the Test Bench 44
45 VST Lateral Fixed Point on the Test Bench 45
46 VST M1 Cell Support System: design & supply 46
47 VST M1 Cell Support System: design & supply 47
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