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26 — Ma c h i n i s t ca l c ™ Pr o

rPm (SPINDlE SPEED)

 is the rotational speed of the spindle in revolutions per



rotation of the attached cutting tool. In a turning machine, it is





RPM – Milling





RPM

Diameter: .375″

KEYSTROKE DISPLAY

1. Enter the bit Diameter:

.375d

DIA

0.375 INCH

2. Enter the Cutting Speed:

300C

CUT

300. FEET/MIN

3. Calculate the Spindle Speed (RPM):

RPM 3056.

CUT

300. FEET/MIN

DIA

0.375 INCH

* RPM

3055.7749

* The calculated RPM is displayed as a rounded, whole number value.

displays the stored RPM value in decimal oating point format

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