Cutting Tool Edge Prep & Coating Polishing

Other than the geometry, the most critical components of any cutting tool, be it an end mill, tap, drill, or insert, are the condition and quality of the edge and flutes.

1. Edge Honing: For both coated and uncoated tools, edge condition is critical. Introducing a slight radius of between .0002 and .001 inches in diameter can increase cutting speed and extend tool life exponentially.

2. Polishing: Most coating methods produce microscopic "droplets" on the tool surface, invisible to the naked eye. Polishing the tool's surface removes these droplets, allowing it to run cooler at higher speeds, as well as improve life and performance.

Take a look at our many process examples below, or visit our dedicated cutting tool edge-prep/honing & polishing website, ToolHoning.com.

Description Tap
Material Tool steel
Objective Hone edge & deburr
Machine Type FMDF 2000 Drag Finisher

Description Cutter Insert Holder
Material Tool steel
Objective De-scale, polish
Machine Type FMT-03 Vibratory Tub Finisher

Description Groove Cutter Insert
Material Carbide
Objective Hone edge for performance
Machine Type FMDF 500 Drag Finisher

Description Router - Long Flute
Material High speed steel
Objective Hone edge
Machine Type FMCB 2 Centrifugal Barrel

Description Carbide End Mills
Material TiN coated carbide
Objective Polish coating
Machine Type FMDF 2000 Drag Finisher

Description Jobber Drill
Material Carbide
Objective Polish coating
Machine Type FMDF 2000 Drag Finisher

Description Ball End Mill
Material Carbide
Objective Hone edge after sharpening
Machine Type FMDF 500 Drag Finisher with 3rd Axis Holders

Description Roughing End Mill
Material Carbide
Objective Hone edges prior to coating
Machine Type FMDF 2000 Drag Finisher

Description Carbide - Special Cutter
Material Carbide
Objective Hone edge for performance
Machine Type FMDF 500 Drag Finisher with 3rd Axis Holders

Description Cutting Tool Insert
Material Carbide
Objective Hone edge to increase tool life
Machine Type FMDF 500 Drag Finisher with 3rd Axis Holders


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