Found this from a defense industry presentation we gave 12 years ago.
Here are the particulars:
- 3/4” 2 Flute Carbide Endmill in Hydraulic HSK63A Chuck
- Toolholder was pre-balanced to G2.5 @20,000 RPM
- Endmill alone had 22 gram-mm of unbalance.
If the endmill is not oriented in the exact same place every time, balance will change dramatically and you must balance the entire assembly.
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