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Rock Drill Hole Processing
Classification:
Cases
Author:
2019/05/21 10:28
Tool type: Keen drill QZ φ9
Processed material: Drill bit; 1%CrMo；HRC40-44
Processing conditions: 1700（r/min）；220（mm/min）；9mm
Processing lifespan > 36m;
Single piece of aperture fluctuation ≤0.005mm
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