Columbia%20Machine%20Core%20Grinding

1
Columbia Machine Core Grinding

• Team Members
• Aaron Jeter
• Jimmie Teague
• Leland Rutledge
• Travis Huber
• Academic Advisor
• Dr. C. Wern
• Industry Contacts
• Mark Stanley
• Steve Carter
• Greg Smith

2
Columbia Machine Inc.

• Based in Vancouver, Washington
• Est. 1937
• World leader and innovator of concrete product
  equipment
• Complete systems

3
Project Description

• Concrete Block Making
• Core Bar Assembly
• Current Process for Core Manufacturing
• Laser Cutting
• Forming
• Welding
• Grinding

4
Design Requirements

• Safe
• Ergonomic
• Easy to use
• Repeatable
• Accurate
• Adaptable

• Efficient
• Life
• Maintenance
• Parts Availability
• Vertical Grind Marks

5
Concept Design
6
Ergonomics Safety

• No Operator Interaction with Core While Grinding
• Minimal Operator Force Required

7
Repeatability Accuracy

• Draft is Incorporated in Design
• Tolerances Designed to Meet Accuracy Requirements

8
Adaptability Vertical Grind Marks

• Adjustable Backstop

9
Ease of Use Efficiency

• Two Handles For A Simple Layout
• Acme Threads Lift For Rapid Adjustment

10
Life, Maintenance Part Availability

• Hardened Steel Construction
• Used Common Parts

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Conclusion

• Design conceptually meets requirements
• Working prototype in queue
• Team committed to project completion