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DESIGN OBJECTIVE
• Design an electromechanical system to detect the presence of balance holes.
• Must maintain a rate of approximately 50 cranks an hour
Melvin A. Lyons CADD Nick Letterman CADD Ron Stamps ELEC Tyler Day ELEC Marc Gavagen ELEC
Assembly and Control Needs List
IMP.
1. Durable 5 2. Repeatable 5 3. Low cost Production 3 4. Detect holes 5 5. Detect bad parts 5 6. Secure part in work holder 3 7. Needs to clamp and grip 3 8. Needs to have fail safe method 3 9. Needs to mount to tray 3 10. Easy to operate 4 11. Maintainable 4 12. Minimal time to scan part 5 13. Motor 5 14. Sensors 5
General Function Repeatability Detect holes Needs to rotate Detect bad parts Needs to secure Needs to mount to tray repeatable Easy to operate Need to have fail safe method
Secure part in work holder Durable Motor
Sensors
Cost Low cost
Importance scale: 1-5 (5 being most important)
NEEDS LIST
Melvin A. Lyons Nick Letterman Ron Stamps Tyler Day Marc Gavagen
Specification for Assembly and Control
# Needs # Metric Importance Units
1 6,8,10 insertion 5 Subjective
2 11,12,13 Ease of use 4 Subjective
3 1,2 Material strength
5 Force/lbs.
4 4, 5, 6,9, 10, 11,12,13
General functions
5 Binary
5 3 Low Cost 4 Subjective/US
Rating Scales:
Importance Scale: 1-5 (5 being the best)
Subjective Scale: 1-5 (5 being the best)
SPECIFICATION
Nicholas Letterman, Melvin Lyons Ron Stamps, Tyler Day, and Marc Gavagen CAD 205
Cost Analysis
1X 10” x 3’ Sheet of aluminum $42.62
1X 3” x 3’ Sheet of aluminum $17.34
2X steel rollers $3.00
1X step motor $ 649.00
3X proximity sensors $88.00 $ 264.00
1X control box included with motor $ -
148 hours labor @ $40 per/hr $ 5920.00
PLC $ 6000.00
=
Total $ 12895.69
15.55
2.52
Melvin 4-16-14 Mott C ommunity C ollege
C rank Shaft Roller
DO NOT SC ALE DRAWING
final roller1SHEET 1 OF 1
UNLESS OTHERWISE SPEC IFIED:
SCALE: 2:1 WEIGHT:
REVDWG. NO.
ASIZE
TITLE:
NA ME DA TE
C O MMENTS:
Q .A .
MFG A PPR.
ENG A PPR.
C HEC KED
DRA WN
FINISH
MATERIAL
INTERPRET GEOMETRICTOLERANC ING PER:
DIMENSIO NS A RE IN INC HESTO LERA NC ES:FRA C TIO NA LA NG ULA R: MA C H BEND TWO PLA C E DEC IMA L THREE PLA C E DEC IMA L
APPLIC ATION
USED ONNEXT ASSY
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION C ONTAINED IN THISDRAWING IS THE SOLE PROPERTY OF<INSERT C OMPANY NAME HERE>. ANY REPRODUC TION IN PART OR AS A WHOLEWITHOUT THE WRITTEN PERMISSION OF<INSERT C OMPANY NAME HERE> IS PROHIBITED.
5 4 3 2 1
24.40
Final roller
Right side datum A
AlphaStep Closed Loop Stepper Motor and Driver
The AR Series uses our closed loop control to maintain positioning operation even during abrupt load fluctuations and accelerations.
-Designed for continuous operation-Lower heat generation-Low vibration-High response
Inductive 3 wireNormally open NPN translator, sinking 8 to 30 VDC -13 to 158°F (-25 to 70°C)
Series PS Inductive Proximity Sensor