Suggested Starting Parameters for Endmilling

Graphite - Metric

Cutting

Diameter

Machine Speed

(rpm)

Cutting Speed

(m/min)

Feed Rate

(fpt) (mm)

Operation

0.5mm

20,000 – 60,000

30 – 90

.005 - .013

Finish

1mm

16,000 – 60,000

50 – 190

.013 - .025

Finish

2mm

8,000 – 60,000

50 – 375

.025 - .050

General

.013 - .025

Finish

3mm

6,000 – 60,000

50 – 550

.025 - .050

General

.013 - .025

Finish

4mm

4,000 – 60,000

50 – 750

.025 - .050

General

.013 - .025

Finish

6mm

3,000 – 50,000

55 – 950

.050 - .100

General

.025 - .050

Finish

8mm

2,500 – 42,000

60 – 1050

.050 - .100

General

.025 - .050

Finish

10mm

2,000 – 36,000

60 –1,130

.075 - .125

General

.025 - .075

Finish

12mm

1,500 – 30,000

60 – 1,130

.075 - .125

General

.025 - .075

Finish