Drilling Speed Table and Calculation Formula

Selection of drilling speed for carbon steel drilling machines

Drilling Speed Chart

Feed rateLinear speed vDrill bit diameterGuide lengthDrilling speedFeed amount
100025φ164.74000.4
100025φ1754000.4
100025φ185.22500.25
100025φ195.54000.4
100025φ205.84000.4
100025φ216.13200.32
100025φ226.43200.32
100025φ236.73200.32
100025φ2473200.32
100025φ257.33200.32
100025φ267.63200.32
100025φ277.92500.25
100025φ288.12500.25
100025φ298.42500.25
100025φ308.72500.25
100025φ3192500.25
100025φ329.32500.25
100025φ339.62500.25
100025φ349.92000.2
100025φ3510.22000.2
100025φ3610.52000.2
100025φ3710.72000.16
100025φ38112000.16
100025φ3911.32000.16
100025φ4011.62000.16
100025φ4111.92000.16
100025φ4212.21600.16
100025φ4312.51600.16
100025φ4412.81600.16
100025φ45131600.16
100025φ4613.31600.16
100025φ4713.61600.16
100025φ4813.91600.16
100025φ4914.21600.16
100025φ5014.51250.13
100025φ5114.81250.13
100025φ52151250.13
100025φ5315.31250.13
100020φ5415.61250.13
100020φ5515.91250.13
100020φ5616.21250.13
100020φ5716.51000.1
100020φ5816.81000.1
100020φ59171000.1
100020φ6017.31000.1
100020φ6117.61000.1
100020φ6217.91000.1
100020φ6318.21000.1
100020φ6418.51000.1
100020φ6518.81000.1
100020φ6619.1800.06
100020φ6719.4800.06
100020φ6819.7800.06
100020φ6920800.06
100020φ7020.3800.06
100020φ7120.6800.06
100020φ7220.9800.06
100020φ7321.2800.06
100020φ7421.4800.06
100020φ7521.7800.06

Drilling Speed Calculation Formula

Calculation formula: Drilling speed × Drill bit diameter × Π = Linear speed v
∏=3.141592654

Selection of drilling speed for stainless steel drilling machines

Drilling Speed Chart

Feed rateLinear speed vDrill bit diameterGuide lengthnDrilling speedFeed amount
100015163.14 4.7298.42 3200.32
100015173.14 5280.86 3200.32
100015183.14 5.2265.26 2500.2
100015193.14 5.5251.30 2500.25
100015203.14 5.8238.73 2500.25
100015213.14 6.1227.36 2000.2
100015223.14 6.4217.03 2000.2
100015233.14 6.7207.59 2000.2
100015243.14 7198.94 2000.2
100015253.14 7.3190.99 2000.2
100015263.14 7.6183.64 2000.2
100015273.14 7.9176.84 1600.16
100015283.14 8.1170.52 1600.16
100015293.14 8.4164.64 1600.16
100015303.14 8.7159.15 1600.16
100015313.14 9154.02 1600.16
100015323.14 9.3149.21 1600.16
100015333.14 9.6144.69 1250.13
100015343.14 9.9140.43 1250.13
100015353.14 10.2136.42 1250.13
100015363.14 10.5132.63 1250.13
100015373.14 10.7129.04 1250.13
100015383.14 11125.65 1000.13
100015393.14 11.3122.43 1000.13
100015403.14 11.6119.37 1000.1
100015413.14 11.9116.45 800.1
100015423.14 12.2113.68 800.1
100015433.14 12.5111.04 800.1
100015443.14 12.8108.51 800.08
100015453.14 13106.10 800.08
100015463.14 13.3103.80 630.08
100015473.14 13.6101.59 630.08
100015483.14 13.999.47 630.08
100015493.14 14.297.44 630.08
100015503.14 14.595.49 630.08
100015513.14 14.893.62 630.08
100015523.14 1591.82 630.06
100015533.14 15.390.09 630.06
100015543.14 15.688.42 630.06
100015553.14 15.986.81 630.06
100015563.14 16.285.26 630.06
100015573.14 16.583.77 630.06
100015583.14 16.882.32 630.06
100015593.14 1780.93 630.06
100015603.14 17.379.58 630.06
100015613.14 17.678.27 630.06
100015623.14 17.977.01 
100015633.14 18.275.79 
100015643.14 18.574.60 
100015653.14 18.873.46 
100015663.14 19.172.34 
100015673.14 19.471.26 
100015683.14 19.770.22 
100015693.14 2069.20 
100015703.14 20.368.21 
100015713.14 20.667.25 
100015723.14 20.966.31 
100015733.14 21.265.41 
100015743.14 21.464.52 
100015753.14 21.763.66 

Drilling Speed Calculation Formula

Calculation formula: Drilling speed × Drill bit diameter × ∏ = Linear speed v
∏=3.141592654

Conclusion

In conclusion, optimizing your drilling speed is crucial for achieving efficient and cost-effective drilling. With the help of our drilling speed chart and calculation formula, sourced from machinemfg.com, you can take the guesswork out of the equation and achieve maximum efficiency.

By selecting the right drilling speed, you can reduce tool wear, increase drilling speed, and improve the quality of your workpiece. So why settle for subpar results when you can achieve excellence?

Use our drilling speed chart and calculation formula to take your drilling process to the next level. Thank you for reading, and happy drilling!

Don't forget, sharing is caring! : )
Shane
Author

Shane

Founder of MachineMFG

As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.

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