Tabela de velocidade de perfuração e fórmula de cálculo

Drilling speed table and calculation formula

May 2, 2024 Roberto Magalhães

Drilling speed selection for carbon steel drills

Drilling Speed Chart

Feed rate	Linear speed v	Drill diameter	Guide length	Drilling speed	Feed quantity
1000	25	φ16	4.7	400	0.4
1000	25	φ17	5	400	0.4
1000	25	φ18	5.2	250	0.25
1000	25	φ19	5.5	400	0.4
1000	25	φ20	5.8	400	0.4
1000	25	φ21	6.1	320	0.32
1000	25	φ22	6.4	320	0.32
1000	25	φ23	6.7	320	0.32
1000	25	φ24	7	320	0.32
1000	25	φ25	7.3	320	0.32
1000	25	φ26	7.6	320	0.32
1000	25	φ27	7.9	250	0.25
1000	25	φ28	8.1	250	0.25
1000	25	φ29	8.4	250	0.25
1000	25	φ30	8.7	250	0.25
1000	25	φ31	9	250	0.25
1000	25	φ32	9.3	250	0.25
1000	25	φ33	9.6	250	0.25
1000	25	φ34	9.9	200	0.2
1000	25	φ35	10.2	200	0.2
1000	25	φ36	10.5	200	0.2
1000	25	φ37	10.7	200	0.16
1000	25	φ38	11	200	0.16
1000	25	φ39	11.3	200	0.16
1000	25	φ40	11.6	200	0.16
1000	25	φ41	11.9	200	0.16
1000	25	φ42	12.2	160	0.16
1000	25	φ43	12.5	160	0.16
1000	25	φ44	12.8	160	0.16
1000	25	φ45	13	160	0.16
1000	25	φ46	13.3	160	0.16
1000	25	φ47	13.6	160	0.16
1000	25	φ48	13.9	160	0.16
1000	25	φ49	14.2	160	0.16
1000	25	φ50	14.5	125	0.13
1000	25	φ51	14.8	125	0.13
1000	25	φ52	15	125	0.13
1000	25	φ53	15.3	125	0.13
1000	20	φ54	15.6	125	0.13
1000	20	φ55	15.9	125	0.13
1000	20	φ56	16.2	125	0.13
1000	20	φ57	16.5	100	0.1
1000	20	φ58	16.8	100	0.1
1000	20	φ59	17	100	0.1
1000	20	φ60	17.3	100	0.1
1000	20	φ61	17.6	100	0.1
1000	20	φ62	17.9	100	0.1
1000	20	φ63	18.2	100	0.1
1000	20	φ64	18.5	100	0.1
1000	20	φ65	18.8	100	0.1
1000	20	φ66	19.1	80	0.06
1000	20	φ67	19.4	80	0.06
1000	20	φ68	19.7	80	0.06
1000	20	φ69	20	80	0.06
1000	20	φ70	20.3	80	0.06
1000	20	φ71	20.6	80	0.06
1000	20	φ72	20.9	80	0.06
1000	20	φ73	21.2	80	0.06
1000	20	φ74	21.4	80	0.06
1000	20	φ75	21.7	80	0.06

Drilling speed calculation formula

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

Drilling speed selection for stainless steel drills

Drilling Speed Chart

Feed Rate	Linear speed v	Drill diameter	∏	Guide length	n	Drilling speed	Feed quantity
1000	15	16	3.14	4.7	298.42	320	0.32
1000	15	17	3.14	5	280.86	320	0.32
1000	15	18	3.14	5.2	265.26	250	0.2
1000	15	19	3.14	5.5	251.30	250	0.25
1000	15	20	3.14	5.8	238.73	250	0.25
1000	15	21	3.14	6.1	227.36	200	0.2
1000	15	22	3.14	6.4	217.03	200	0.2
1000	15	23	3.14	6.7	207.59	200	0.2
1000	15	24	3.14	7	198.94	200	0.2
1000	15	25	3.14	7.3	190.99	200	0.2
1000	15	26	3.14	7.6	183.64	200	0.2
1000	15	27	3.14	7.9	176.84	160	0.16
1000	15	28	3.14	8.1	170.52	160	0.16
1000	15	29	3.14	8.4	164.64	160	0.16
1000	15	30	3.14	8.7	159.15	160	0.16
1000	15	31	3.14	9	154.02	160	0.16
1000	15	32	3.14	9.3	149.21	160	0.16
1000	15	33	3.14	9.6	144.69	125	0.13
1000	15	34	3.14	9.9	140.43	125	0.13
1000	15	35	3.14	10.2	136.42	125	0.13
1000	15	36	3.14	10.5	132.63	125	0.13
1000	15	37	3.14	10.7	129.04	125	0.13
1000	15	38	3.14	11	125.65	100	0.13
1000	15	39	3.14	11.3	122.43	100	0.13
1000	15	40	3.14	11.6	119.37	100	0.1
1000	15	41	3.14	11.9	116.45	80	0.1
1000	15	42	3.14	12.2	113.68	80	0.1
1000	15	43	3.14	12.5	111.04	80	0.1
1000	15	44	3.14	12.8	108.51	80	0.08
1000	15	45	3.14	13	106.10	80	0.08
1000	15	46	3.14	13.3	103.80	63	0.08
1000	15	47	3.14	13.6	101.59	63	0.08
1000	15	48	3.14	13.9	99.47	63	0.08
1000	15	49	3.14	14.2	97.44	63	0.08
1000	15	50	3.14	14.5	95.49	63	0.08
1000	15	51	3.14	14.8	93.62	63	0.08
1000	15	52	3.14	15	91.82	63	0.06
1000	15	53	3.14	15.3	90.09	63	0.06
1000	15	54	3.14	15.6	88.42	63	0.06
1000	15	55	3.14	15.9	86.81	63	0.06
1000	15	56	3.14	16.2	85.26	63	0.06
1000	15	57	3.14	16.5	83.77	63	0.06
1000	15	58	3.14	16.8	82.32	63	0.06
1000	15	59	3.14	17	80.93	63	0.06
1000	15	60	3.14	17.3	79.58	63	0.06
1000	15	61	3.14	17.6	78.27	63	0.06
1000	15	62	3.14	17.9	77.01
1000	15	63	3.14	18.2	75.79
1000	15	64	3.14	18.5	74.60
1000	15	65	3.14	18.8	73.46
1000	15	66	3.14	19.1	72.34
1000	15	67	3.14	19.4	71.26
1000	15	68	3.14	19.7	70.22
1000	15	69	3.14	20	69.20
1000	15	70	3.14	20.3	68.21
1000	15	71	3.14	20.6	67.25
1000	15	72	3.14	20.9	66.31
1000	15	73	3.14	21.2	65.41
1000	15	74	3.14	21.4	64.52
1000	15	75	3.14	21.7	63.66

Drilling speed calculation formula

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

Conclusion

In conclusion, optimizing drilling speed is crucial to 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 correct 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. Thanks for reading and happy drilling!