If you are experiencing tip fractures, these are the possible causes and corresponding solutions:

Problem: extremely hard material (aggregate)
Solution: consider using a larger carbide tip tool

Problem: heat build-up on tool
Solution: increase coolant (water) to the drum

Problem: poor rotation
Solution A: check for worn holders, excess material build-up on tool, etc.
Solution B: consider doing a “warm-up” cut when starting

Problem: excessive machine speed
Solution: slow down machine

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Gator Rock Bit, Inc.
5890 New Haven Rd.
New Haven, KY
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