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RECOMMENDATIONS - Trouble Shooting |
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" FibraNEX ® wheels are the right choice if you’re seeking a controlled, sustained finish " |
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| . Problem |
. Possible Cause |
| .Wheels that load |
- Hard wheel or too fine grit |
| - Insufficient pressure (be careful of too much pressure) |
| - Excessive RPM |
| .Burning workpieces |
- Wheel too hard or fine grit |
| - Insufficient grinding pressure |
| - Improper bond |
| .Chatter Marks |
- Hard Wheel |
| - Overhang too much |
| - Wheel needs truing or dressing |
| - Collet on grinder is worn |
| .Scratch marks on workpiece |
- Need finer grit |
| .Insufficient stock removal |
- Wheel too soft |
| - Improper grain type |
| - Short wheel life |
| - Wrong specification (many factors involved) |
| - Out of balance situtation with grinder |
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OTHER CONSIDERATIONS FOR GOOD WHEEL OPERATION |
Wheel speed is very important to obtain the desired use. An operator should not exceed the speed standards given by the FEPA - Federation of European Producers of Abrasives’s current safety requirement of maximum speeds, some of which are shown in this contract. However, it is important to match the abrasive formula to your operational speeds. Specifications will perform differently at different speeds. You should occasionally speed test and torque test your grinder to ensure it is operating at desired levels. There are many factors that can adversely affect your grinder’s capabilities.
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Run out of the grinder is a problem that must be constantly monitored. Worn chucks and lack of properly maintained grinders can result in spindle failure, wheel breakage and an unsafe condition for the operator.
Dressing your wheel or point is important to maintain the integrity of your wheel shape, cutting quality, and to minimize loading problems. |
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