Troubleshooting
The following chart shows typical end-of-life conditions and possible solutions to improve tool life.
Problem
|
Possible Cause
|
Recomended Solution
|
---|

|
- Hard cutting conditions
- Extreme impact.
|
- Contact your Kennametal sales Representative for a full evaluation.
|
Carbide Fracture
|

|
- Hard cutting conditions.
- Lack of penetration
- Grinding of material not conveyed.
- Excessive heat generation during cutting.
|
- Contact your Kennametal sales Representative for a full evaluation.
|
Thermal Cracking
|

|
- Very abrasive cutting conditions.
- High rotation speed.
- Cutting too deep.
|
- Adjust rotation and feed of machine.
|
Excessive Carbide Wear
|

|
- Grinding of material not conveyed.
- Abrasive cutting conditions.
|
- Contact your Kennametal sales Representative for a full evaluation.
- NB tip, X-series, hardfacing.
- Increase feed.
|
Steel Wash
|

|
- Conical not rotating.
- Misaligned blocks.
- Sticky cutting conditions.
- Worn blocks.
- Excess material build-up on tool.
|
- Clean the conical for foreign particles.
- Tap the conical.
- Contact your Kennametal sales Representative for a full evaluation.
|
One-Sided Steel/Wear on Gage
|

|
- Worn block bore.
- Worn-out sleeve.
- Hard cutting conditions.
- Blunt/missing cutting tip.
|
- Contact your Kennametal sales Representative for a full evaluation.
|
Shank Breakage
|

|
- Worn block bore.
- Worn-out sleeve.
- Hard cutting conditions.
- Blunt/missing cutting tip.
|
- Contact your Kennametal sales Representative for a full evaluation.
|
Shank Bending
|

|
- Worn-out block: lateral play.
|
- Contact your Kennametal sales Representative for a full evaluation.
|
Broken Hub/Hub Failure
|

|
- Worn-out block: lateral play.
|
- Contact your Kennametal sales Representative for a full evaluation.
|
Retainer Failure
|
|
- Hard cutting conditions.
- Worn-out sleeves.
|
- Contact your Kennametal sales Representative for a full evaluation.
|
Sleeve Breakage
|