Spin Doctors Preliminary Top Proposal

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Spin DoctorsPreliminary Top Proposal

• Ed Petkovsek - President
• Amy Gontarek Vice President
• Laura Cole - Secretary
• Martin Bannish
• Jered Bonn
• Chris Guidotti
• Bryan Phipps
• Kade Pogonowski
• Zach Prusky
• Robert Slavik
• Kevin Van Chance

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Design Requirements

• Spin for at least 30 seconds
• Safe for ages 5 and up
• Utilize BASF colorants
• Aesthetically pleasing
• Incorporate AML mfg. processes
• Display companies RPI logos
• Individually Packaged
• Produced with a budget under 3,000

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Design Ideas

• Reverse Engineering
• Rip Cord
• Air Powered
• Solar Powered
• Liquid Filled
• Motorized Tops
• Spring Powered

• User Survey
• Lights
• Graphics
• Sounds
• Spiraling effect
• RPM display
• Pen Top

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Gaming Top
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Top

• Rapid Prototyping Stereolithography
• Material Polypropylene
• Tolerances 0.005
• Process Plastic Injection Molding

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Handle

• Rapid Prototyping Wood
• Material Polypropylene
• Tolerances 0.005
• Processes Injection Molding, Thermal Press

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Insert Pin

• Rapid Prototyping Nail
• Material Hardened Steel
• Tolerances 0.005
• Process OEM, Thermal Press

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Base Track

• Rapid Prototyping Stereolithography
• Material Polypropylene
• Tolerances 0.005
• Process Plastic Injection Molding

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Base Roulette Wheel

• Rapid Prototyping Stereolithography
• Material Polypropylene
• Tolerances 0.005
• Process Plastic Injection Molding

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Manufacturing Procedure

• Injection Mold Top
• Injection Mold Handle
• Thermal Press Pin
• Injection Mold Base
• Trimming and Post Production Details
• Wrap String around Handle
• Assembly
• Packaging

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Packaging

• Concepts include
• Environmentally friendly materials
• Shrink Wrap
• Thermal formed plastic lid over base
• Plastic bag

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Design Considerations

• Blow Top Design
• Based on reverse engineering of commercial product

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Engineering Calculations

• ? 1300 RPM (ideal speed)
• Length of string 15 in.
• I.0047 lbs. in4
• T FD 10.21875 2.1875 in-lbs
• t 1 sec.
• ?initial ?t (T/I)t 4000 RPM

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Cost Analysis
(SLA) Rapid Prototype of Top / Base 300
Aluminum for Mold (4 / lb 45 lbs.) 200
OEM (String, Pin, Polypropylene) 300
Packaging 200 (estimate)
Robotics / Assembly 1000
Total 2000
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Project Schedule
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Conclusions

• Simple Design
• Easy Assembly
• Inexpensive to manufacture
• Interactive
• Multiple uses
• Follow our progress at http//www.rpi.edu/dept/am
  l/course/01-02/top/teamd/www/