CNC Project Video: Making a Set of Knife Handles w/ Composite Cutting on the CNC

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For Your Safety

  1. The methods illustrated here are only intended for use with a CNC machine.
  2. Make certain that the workpiece is secured and that all components of the fixture are securely fastened to the table.
  3. Use a guard, eye and hearing protection at all times.

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John Saunders from NYC CNC machines a set of Knife Handles from Canvas Micarta, a fiberglass laminate, using Amana Tool® composite cutting CNC router bits

Using the Tormach® 770, Autodesk® Fusion 360™ CAD/CAM and a special solid carbide grade end mill, John cuts into the dense Canvas Micarta which is made of thermo-setting resins combined with layers of canvas cloth pressed under high pressure and heat to form knife handles.

Amana Tool router bit no. 46099 is designed especially for cutting fiberglass, fiberglass PCB board, tile, Glass Reinforced Plastic (GRP) and other highly abrasive materials. It's diamond-pattern cutting edges have 'Up-Cut' and 'Down-Cut' angles to grind through the work and also works well on epoxies made with carbon, glass, composite materials and Phenolic.

Feed, Speed & Step Down Technical Information:

1/4" Dia. Solid Carbide End Mill Point Diamond Pattern, Composite Cutting Router Bit No. 46099
Feed Rate (IPM): 75
Speed (RPM): 7,500
Chip Load (Per Tooth): 0.005"
Step Down (Per Pass): 0.250"

1/8" Dia. CNC Solid Carbide Carbon Graphite and Carbon Fiber Panel Cutting Router Bit No. 46260
Feed Rate (IPM): 75
Speed (RPM): 9,000
Chip Load (Per Tooth): 0.004"
Step Down (Per Pass): 0.125"

Thank you for watching our video Composite Cutting on the CNC by NYC CNC and ToolsToday, Your Source for Industrial Cutting Tools.

Thank you all for watching, be sure to stay tuned to the end for a special announcement! I hope you enjoyed seeing a behind the scenes look of what goes into making and filming a project. Please let me know your thoughts, questions or comments on this down below, and be sure to subscribe to the channel so you see all of our future videos; there's a lot more to come. I look forward to seeing you guys on the next one! Have a great day!

Tools Used in Video:

- Amana Tool 46099 End Mill Point Diamond Pattern, Composite Cutting 1/4 Dia x 3/4 Cut Height x 1/4 Shank x 2 Inch Long Ultra-Fine Router Bit

- Amana Tool 46260 Solid Carbide Carbon Fiber Cutting Down-Cut 1/8 D x 1/2 CH x 1/8 SHK x 2 Inch Long Router Bit

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