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.

Edge Prep & Honing

Cutter grinder edge before hone

Cutter grinder edge after hone

Description Straight Flute End Mill (shown with edge burr from grinding)
Material Carbide
Objective Hone edge to remove burr and increase performance
Machine Type FMDF 500 Drag Finisher



Polishing Coating Surfaces

Coating surface before polishing

Coating surface after polishing

Description End Mill - Roughing
Material TiN coating
Objective Polish coating to remove droplets
Machine Type FMDF 2000 Drag Finisher



Description Step Drill
Material High speed steel
Objective Hone edge prior to coating
Machine Type FMDF 500 Drag Finisher

Description
Material
Objective Radius/hone edge to 0.0003 in.
Machine Type
Description Tap
Material High speed steel
Objective Deburr back side of cutting flutes
Machine Type FMDF 2000 Drag Finisher

Description Roughing Cutter
Material High speed steel
Objective Radius edge
Machine Type FMAH AutoHone Robotic Reverse Drag Finisher

Description Roughing Cutter
Material High-speed steel
Objective Radius edge
Machine Type FMAH-3011 AutoHone Robotic Reverse Drag Finisher

Description Tap
Material High-speed steel
Objective Deburr back side of flute
Machine Type FMDF Drag Finisher

Description Tap
Material High-speed steel
Objective Honing/cutting edge prep
Machine Type FMDF Drag Finisher

Description Cutter Edge - Ground
Material Carbide
Objective Achieve 0.0008 in. edge hone radius for cutting hard metals
Machine Type FMDF Drag Finisher


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