Causes for CNC Router Bit Breakage
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Common Tool Breakage Issues
Possible Cause: Remedy •Deflection- cutting edge too long: Select a tool with cutting edge not more than ¼” longer than material thickness. •Bad or worn collets: Check tool shank for evidence of chatter marks. When visible, replace collets. •Over-torquing: If tool breaks in the shank area, tightening the collet nut to incorrect torque can cause tool breakage. Invest in a setup-fixture and torque wrench. •Overheating: If signs of heat buildup are in the tool flute, check chip load and adjust feed/speed. •Part Movement: Improve vacuum hold-down. •Too much pressure on the tool tip: For rebates, grooves, and slots, use the shortest length to avoid tool breakage. •Tool slippage in the collet: Replace static collet nut with a bearing nut. |
Solid Carbide Router Bits come in a variety of tool geometries, number of flutes, and edge grind for a variety of applications. Also available are coated bits that can provide longer tool life.
• O-Flute, Up Cut (Plastics, Aluminum) • Up Cut • Down Cut • Ball Nose Up Cut (Carving) • Compression (Mortise Compression) • Compression Chip Breaker • Up Cut Chip Breaker • Down Cut Chip Breaker • Up Cut Rougher • Down Cut Rougher • Single, Two and Three Flutes |