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High Speed Machininng / made by A company
Dia. 0.62mm drill at 18,000r.p.m. / 840 holes continuous drilling |
| Parameters |
Material |
Processing |
| 18,000r.p.m. |
NAC80 |
Dia. 0.62mm drilling |
| Speed 10mm/min |
HRC40 |
Dia. 0.62mm drilling |
| Step 10microns |
t=5mm |
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| Result |
1st hole |
840th hole |
| With Auto Balancer |
dia. 0.635mm |
dia. 0.660mm |
| Without Auto Balancer |
dia. 0.633mm |
dia. 0.640mm |
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Comparison of hole size between 1st hole and 840th hole shows 25microns
bigger by standerd tool and only 7microns bigger by auto balancer. Also,
you can see the difference of the shape of drill by above photos. |
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