Ideum MT-50 Manuale di istruzioni
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MT-50 Multitouch Table
DIY Building Instructions
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 2
TABLE OF CONTENTS
MT-50 Multitouch Table DIY Building Instructions – Version 1.2. For comments or
GETTING STARTED
About the MT-50 Multitouch Table and DIY Building Instructions Page 03
THE TABLE FRAME
Assembling the Aluminum Frame Page 04 - 06
Installing the Bottom Panel Page 07 - 10
THE COMPUTER
Assembling the Computer Page 10
Computer Specifications Page 11 - 12
POWER, ILLUMINATION, AND PROJECTION
Bottom Panel I/O and Power Faceplates Page 13 - 14
Applying Infrared Light Strips Page 15 - 16
Connecting Low Voltage Electrical Page 16
Applying Projection Film to Glass and Masking Page 16 - 17
Installing the Glass Surface Page 18
Installing the Projector Page 21 - 22
Installing & Calibrating the Mirror Page 23 - 25
Installing the Cameras Page 25 - 27
The Smart Strip Page 28 - 30
The Side Panels Page 30 - 32
SOFTWARE
Tracking Software Page 33
PARTS AND SOURCES
MT50 Parts Page 34 - 39
Bosch Aluminum pieces Page 39- 40!
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MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 3
ABOUT THE MT-50 & DIY BUILDING INSTRUCTIONS
The MT50 is a projection based 50” multitouch table. It is 31” high with casters and
meets ADA (American’s with Disabilities Act) standards. The MT50 supports a
resolution of 1280x720. Its frame is made of aluminum, the shell is steel, and surface is
thick tempered glass. The table is virtually indestructible and is designed for use in busy
public spaces. We’ve literally dropped bowling balls on it to test its toughness.
Ideum (www.ideum.com), a New Mexico-based company, built and sold MT50
multitouch tables between 2009 and 2010. There are dozens of these tables installed in
museums, research labs, and a few are even installed at Fortune 500 companies across
North America. The MT50 has been discontinued, as of March 2011 and has been
replaced by a LCD based table, the MT55 (you can learn more about the MT55 on the
Ideum website: http://www.ideum.com/products/multitouch/). It is worth mentioning
that of the techniques used in the MT50 are still used for large-scale installations such as
walls, multiple projector tables. While the MT50 documentation is no longer available
on the Ideum site. A description, videos, and reviews can be found on the
GestureWorks website:
http://gestureworks.com/features/supported-hardware/ideum-mt-50-multitouch-table/!
The instructions for the MT-50 are being released as part of the Open Exhibits, museum
software and hardware initiative. Open Exhibits multitouch and multiuser software is
free to students, museums, nonprofits, and US Government agencies. Please visit:
openexhibits.org for more details.
If you have any suggestions for how we might improve these instructions, please let us
know.
The Ideum and Open Exhibits Team
Corrales, New Mexico
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 4
Assembling the Aluminum Frame
The main frame for the MT-50 is made of Bosch aluminum. The entire kit
for the MT-50 can be purchased from our Bosch Supplier in the United
States, Pacific Integrated Handling. If you would like to order the kit, please
contact Marianne Scarafiotti (or someone in her office) and let them know
you’d like the Ideum MT-50(200-05320) kit. !
!
Pacific Integrated Handling Inc
Marianne Scarafiotti!
480-379-0100 (phone)!
Ideum MT-50(200-05320) kit!
!
The kit will come with all the needed aluminum strut, screws, T-nuts, and
gussets that are needed to assemble the aluminum frame.
If you have ever played with an Erector set, you will be able to put together
the Bosch aluminum frame very easily.
To assemble, you will need the following tools:
1 Metric 2.5 Hex Key
1 Metric 4 Hex Key
1 12mm Socket w/ wrench
The different thicknesses of aluminum strut will be referred to in
millimeters. For the most part, the sizes in this kit are 45x45mm,
30x30mm, 20x20mm, and 20x40mm. This size convention also works for
the Gussets (the triangular pieces that are used to connect strut). There
will be 45mm gussets, 30mm, and 20mm.
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 5
You will need to refer to the drawing and strut diagram to put the frame
together. The strut chart will show thickness, length, quantity, and a part
letter. Use the part letter and the diagram to figure out which piece goes
where. Do not attach the wheel assemblies until you have the bottom
panel on.
Part F on the diagram needs to be slightly modified so that the wheels can
be attached to it properly. A ½” hole will need to be drilled as shown in
the picture below:
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 6
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 7
Installing the Bottom Panel
Once the frame is complete, you will want to install the bottom panel. The
bottom panel will have 6 120mm fan cutouts, and have cut-outs for 2
boxes; a power box for the incoming 120v power 2x4 handy box), and a
cut-out for the Input/Output/Power Switch box (2 gang metal box).
To attach the bottom panel to the frame, you will have to orient the panel
correctly on the frame. There is one side of the frame that uses Part C
(45x45mm strut with a notch cut out). That is the side that the projector
will be on. If you were standing on that side of the frame, the bottom panel
cut out for the smaller electrical box should be on the right side, the larger
electrical box cut out on the left side, both on the opposite of the side you
are standing on.
Place 14 M5 screws (not included with Bosch kit) and T-nuts into the
outside holes around the perimeter of the panel. Once all of the screws
and T-nuts are in, flip the entire Bosch frame upside down, and place the
panel on with the orientation described above. Line the T-nuts up so that
they all fall into the middle channel on the strut. Tighten up all of the
screws around the perimeter so that the bottom panel is snug and lined up
with the frame.
You can now attach the wheels that came with the kit, and should flip the
entire assembly on its side to install the fans.
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 8
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 9
To install the fans, you will need the following:
24 M3 12mm screws with locking washers and nuts
6 Silicon Vibration Absorbers
6 120mm plastic fan filter
6 120mm fan
To create a good flow of air through the table, 3 fans should be blowing air
in, and 3 should be pushing air out. If you were standing on the same side
of the frame as Part C (notched cut out on strut) then the fans on your left
side should be positioned to blow air up and into the table. The other 3
should be positioned the opposite way, blowing the air down and out.
Place the silicon vibration absorber on the bottom of the fan, place the fan
on top of the bottom panel along the screw holes, place the plastic fan filter
on the bottom of the bottom panel, and secure the entire assembly with
the M3 screws (not included with Bosch kit). Do this for all of the fans.
To install the electrical boxes and I/O box, you will need to do the
following:
The electrical box and I/O box are going to be facing down. You will need
to drill holes in the side of the boxes to allow them to attach to the strut
that is on the side of their cutouts.
Place the electrical box face down on the bottom panel just below the
cutout. Mark the side of the electrical box where the middle channel in the
strut is. Use that mark to drill holes on the long side of the boxes.
MT-50 Multitouch Table DIY Building Instructions–Version 1.2 - 4/5/11 - Page 10
Before attaching the boxes to the strut, some minor electrical work needs
to happen with the two 2x4 handy boxes. One of the boxes will be facing
downward in the cut out. The second 2x4 handy box will be facing
upward.
Remove one of the ½” knockouts on each box, and attach a 1/2” Romex
connector.
Cut about 2 feet of SO cord, and run between the two boxes. The amount
of cable between the boxes can be very short, just make sure you have
plenty of cable coming out of each box to wire up the receptacles later on.
Make sure one box is facing up and the other facing down and tighten
Romex connectors.
Use small 8mm T-nuts and accompanying screw to attach the boxes to the
strut.
Assembling the Computer
Below are the specs for the computers that we include in our tables. Parts
for this computer are definitely variable, EXCEPT for the IEEE1394 card.
This card (since there are limited PCI and PCIE lanes on the small system
board) needs to be Dual Channel/Dual Port, 1394A, and we’d recommend
that it was a card that had a Texas Instruments chipset. The chipset could
cause problems if you are using a camera such as the PT Grey FireflyMV.
The emphasis on this kind of card is due to the cameras. If multiple PT
Grey FireflyMV cameras are on a single channel, you will overflow the 1394
Indice
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