FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

PROGRAMMING
1. GENERAL
B–62764EN/01
20
The speed of the tool with respect to the workpiece when the workpiece
is cut is called the cutting speed.
As for the CNC, the cutting speed can be specified by the spindle speed
in rpm unit.
rpm
D mm
m/min
Tool
V: Cutting speed
Workpiece
Spindle speed N
Tool diameter
<When a workpiece should be machined with a tool 100 mm in
diameter at a cutting speed of 80 m/min. >
The spindle speed is approximately 250 rpm, which is obtained from
N=1000v/πD. Hence the following command is required:
S250;
Commands related to the spindle speed are called the spindle speed
function ( See II–10) .
1.4
CUTTING SPEED –
SPINDLE SPEED
FUNCTION
Examples

Leave a Reply

Your email address will not be published. Required fields are marked *