adjustable art table
DESCRIPTION
Adjustable Art Table. Team 9 Bruce Bassi Kristen Haldeman Richard Sierra Client Coordinator: Dr. Brooke Hallowell Supervising Professor: Dr. John D. Enderle Funding: National Science Foundation. Background Information. Passion Works Studio Studio for artists with disabilities - PowerPoint PPT PresentationTRANSCRIPT
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Adjustable Art Table
Team 9Bruce Bassi
Kristen HaldemanRichard Sierra
Client Coordinator: Dr. Brooke HallowellSupervising Professor: Dr. John D. Enderle
Funding: National Science Foundation
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Background Information
Passion Works Studio Studio for artists with
disabilities Previous NSF Tables
Unstable Required cords Exposed electronics
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Currently Marketed
Adjustable Tables Available Lack of wheelchair accessibility Not easily adjustable Electric
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Our Previous Design
Components Gas Springs Gear Rack Tabletop
30”x42”
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Our Previous Design
Rear View
Side View
42"
Pneumatic Air Cylinders
Mounting PlateHeight Adjustment
Button
Base
Release Hose
40"
Handle
Handle
Gear Rack
Mounting Plate
Pneumatic Air Cylinder
Height Adjustment Button
Base
30"
27" - 42"
30"
Mounting Plates
Support Plate
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Problems With Old Design
Needs of the client changed Old table was designed for one
person Must be used by multiple people
Previous parts incompatible with large table
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Final Design
Components Tabletop
72”x30” Gas Springs Unibearings
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Tabletop
Round edges 6 feet long Easy to clean
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Gas Springs
Stroke length: 13” Can hold 2,000 lbs Locking Slowly raise with
14 lbs force
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Hydraulic Release
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Unibearings
Can hold up to 300 lbs
User must unlock upper and lower brakes
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How to use unibearings
Must be disengaged to adjust table
Make sure that the unibearings are tight before the table is used
Tighten Loosen
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Unibearing testing
Unibearing testing at the SRF
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Framing
Gussets
Original table upper framing
Unibearing Leg
Unibearing Leg gas spring
gas spring
Single hole bracket
Upper table framing
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Framing and Tabletop
Extrusions attached to bottom of tabletop in 8 places
Gussets hold legs to the tabletop
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Base
Four base extensions
prevent rocking
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Budget Allotted $750
Part Manufacturer Quantity Total Cost
Original Tabletop Officemax 1 $78.72
Locking Gas Spring
Easylift of America 2 $194.06
Parallel Hydraulic Release
Easylift of America1 $113.45
Shipping Easylift of America 1 $13.88
Handle (not used but purchase for design prior to
changes)
MSC Industrial Supplies
1 $21.86
1” by 1” Aluminum Extrusion
Air Inc 249” $55.99
1” by 3” AluminumExtrusion
Air Inc 62” $32.24
New Tabletop Staples 1 $64.99
8020 Accessories Air Inc -- 154.34
Gussets Home Depot 2 $15.00
Total $812.73
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How to use table
To Lower Table
To Raise Table
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Testing Final Product
The table works well with wheelchairs
Original requirements have been met
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Acknowledgements
Dr. Enderle Chris Liebler NSF Funding Rich and Serge from the machine
shop Tracy Makuch
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Questions
…thanks for listening
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Appendix
The following figures and tables have been included to aid in explanations for questions.
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Gas Spring Specifications
Stroke Length
Diameters of Rod/Piston
Force of Gas
Length of Gas Spring (Fully Extended)
Blocking Force
350 mm (13.78 in)
10/22 mm (.4/.87 in)
115 N (25.8 lbs)
927 mm (36.5 in)
12000 N(~2,700 lbs)
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Gas Spring
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Parallel Hydraulic Release
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Debcor
Debcor $535 Not easily
adjustable Not wheelchair
accessible Sharp edges
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Balt Easy
Model 3627 $378 Not for artists No leg room Height adjustment
out of desired range
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Closet Masters
Closet Masters $780 Good: Drawing
surface, ease of adjustment
Bad: Electronic, no leg room
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References
1. http://nsf-pad.bme.uconn.edu2. http://www.closet-masters.com/Ergonomics_SF/Height_adjustable_tables/3. www.EasyLiftSprings.com4. http://www.dickblick.com/zz501/00/5. http://888ergodir.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=WOW&Category_Code=WS