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Enhancing Cutting Efficiency with the Magnum Shear™ and Double Blade Technology

This project focuses on improving the cutting mechanism of the Magnum Shear™ to enhance edge quality and reduce blowout during flooring material cutting. A test apparatus was developed to measure load versus blade position, leading to recommendations for a customized load cell to optimize performance. The introduction of a double blade significantly reduces blowout by over 50%, though it requires more force and results in wasted material. Future improvements aim to lower operator force and enhance usability with thinner blades and better material management.

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Enhancing Cutting Efficiency with the Magnum Shear™ and Double Blade Technology

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Presentation Transcript

  1. Team Clean Cut Sponsors: Composite Decking Blade Team Members: Brian Norman Craig Daniels Vince Mayer Ted Florence Wes Anderson Advisor: Jay McCormack

  2. Background • The Magnum Shear™ cuts flooring material in a “dustless” manner. • It is lightweight and requires no electrical input.

  3. Introduction • Objective: • Create a test apparatus to measure load versus blade position • Improve the quality of a cut edge produced by the Magnum Shear™ • Motivation: • Expand target client base • Improve understanding of cutting mechanics

  4. Force Analysis Apparatus Force as a function of position Test prototype blades Test various materials Re-locatable to Bullet Tools

  5. Sensor Package

  6. Circuit Diagram

  7. Lessons Learned • Strain gages are not viable • I-beam is too stiff • Recommendations • Customized load cell • SATEC or similar device

  8. Composite Decking Blade Reduce the blow out by 50%

  9. Crack Formation

  10. Double Blade: Origin • Discovered by conserving test material • Thin slices change crack propagation

  11. Double Blade: Cut Sample Stock Magnum Shear™ Double Blade Cut

  12. Double Blade: Pros and Cons Pros • Reduces blowout by over 50% • Easily installed on stock Magnum Shear™ Cons • Greater force required for cut • Material between blades is wasted

  13. Future Improvements • Lower Operator Force • Longer Lead/More Clearance • Longer Handle • Thinner Blades • Discard Material • Easily ejected • Simple Add-On

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