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Adrian Allen Steven Lona Nicholas Tracy

Ideas-Unlimited. Adrian Allen Steven Lona Nicholas Tracy. Changes since last time… New logo was added to repertoire. Material change from ¾” to ½” acrylic. New through hole design for clock insert. New base design. (no adhesive) Inscription added to clock base. Set Up Number.

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Adrian Allen Steven Lona Nicholas Tracy

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  1. Ideas-Unlimited Adrian Allen Steven Lona Nicholas Tracy

  2. Changes since last time… • New logo was added to repertoire. • Material change from ¾” to ½” acrylic. • New through hole design for clock insert. • New base design. (no adhesive) • Inscription added to clock base.

  3. Set Up Number Operation Description Machine Tool Description 10 Cut-off 0.50 in. x 2.25 in. cross sections of cast sheet acrylic stock to a length of 5.25  .015 in. Cut-off Saw 20 Fabricate background housing on the planar surface opposite datum feature A 3 axis vertical machining center 30 Polish all surfaces of the base Propane torch PROCESS SUMMARY FOR BASE

  4. 0.125 +/- 0.01 0.50 A 0.125+/- 0.01 0.4375 +/- 0.01 2.25 +/- 0.015 B 5.25 +/- 0.015 Set Up 20 Sketch Scale: 1:1 Units: Inches

  5. Set Up 20 Descriptionfor Clock Base REQUIRED TOOLS • MACHINE TOOLS: Vertical Machining Center, VF-OE • FIXTURE: Kurt Vise with 1 ¼” parallels • CUTTING TOOLS: 7/16 inch Double Flute End Mill • MISCELLANEOUS TOOLS: Edge Finder, Dial Indicator

  6. Process 20 Description for Base Operation Number Operation Description Tool Number Tool Description Important Process Parameters 1 Slot mill opposite datum feature A in one pass 1 7/16 inch end mill d = .125 in. w = 5.25 in. V = 314 fpm F = 0.0042 in/th

  7. Set Up Number Operation Description Machine Tool Description 10 Cut-off a 0.50 in. x 5.25 in. cross section of cast sheet acrylic stock to a length of 8  .015 in. Cut-off Saw 20 Fabricate clock housing, PSU logo, and circular contours on the planar surface opposite datum feature A. 3 axis vertical machining center 30 Polish all surfaces of the background Propane torch PROCESS SUMMARY FOR BACKGROUND

  8. Hole Diameter = 2.3125 +/-0.005 in. Diameter = 3.75 +/- 0.005in. Logo goes here 8.00 +/- 0.015in. 5.2500 +/- 0.015 in.

  9. Set up 20 Description for Clock Background REQUIRED TOOLS • MACHINE TOOLS: Vertical Machining Center • FIXTURE: Kurt Vise with 1 ¼” parallels • CUTTING TOOLS: 1/2”, 1/4”, 1/8”, and 1/32” Double Flute End Mills • MISCELLANEOUS TOOLS: Edge Finder, Dial Indicator

  10. Process 20 Description Clock Background

  11. Assembly for Acrylic Clock • Join the base and the background by press fitting • Insert battery into clock insert • Place clock insert into clock housing

  12. Bill of Materials Acrylic Sheet (48 x 96)inch = $215 Clock Insert = $5.90 (30 count) = $177 Batteries = $0.55 (30 count) = $16.50

  13. Cost Analysis • Break even point – 22 clocks • Selling Price of $50 • Want to produce 8 extra for the 3 group members and 5 professors.

  14. Gantt Chart

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