The Cogsdill Nobur Deburring Tool is a manually actuated deburring and chamfering tool designed for low-production applications, multi-walled parts, and intersecting holes. Featuring a quick-action sliding sleeve mounted on ball bearings, the Nobur tool allows fast and easy manual retraction and extension of the double-edged cutting blade while the spindle continues to run, eliminating "on-off" downtime.
- Manual Actuation: Features a free-rolling knurled sleeve mounted on ball bearings for fast, easy manual blade retraction and extension.
- Continuous Operation: Allows deburring to be performed while the spindle remains running without stopping.
- Versatile Cutting: Can deburr or chamfer the front, back, or both sides of holes in one pass.
- Blade Options: Standard blades and two modified blade options (Modified No. 1 and Modified No. 2) available for intersecting hole applications depending on the ratio of the hole diameters.
- Durable Construction: Manufactured with a chrome-plated pilot for extended tool life and hardened, precision-ground high-speed steel blades.
Standard Tool Specifications & Dimensions
Operating Parameters & Guidelines
- Standard Sizes Range: 3/32 to 1 inch (2.38 to 25.4 mm)
- Work Lengths Range: 9/16 to 4-3/4 inch (14.28 to 120.65 mm)
- Suggested Operating Speeds: 50 to 650 RPM (slower speeds required for larger tool sizes and heavy parts; 25–75 RPM recommended for specific intersecting hole ratios with Modified blade No. 2)
- Blade Selection Guidelines for Intersecting Holes:
- Standard Blades: For applications where the larger hole ("B") is 12 or more times greater than the smaller hole ("A").
- Modified Blade No. 1: Recommended when the larger hole ("B") is between 6 to 12 times greater than the smaller hole ("A").
- Modified Blade No. 2: Recommended when the larger hole ("B") is 2-3/4 to 6 times greater than the smaller hole ("A").
