OPTIMUM
M A S C H I N E N - G E R M A N Y
808D
Page 331
Create Part Program Part 2
Brief instruction 808D Milling
Operating and Programming — Milling
Create Part Program Part 2
Description
This unit describes how to create a part program, edit the part program and get to know
the most important CNC commands required to produce a workpiece.
Content
Basic Theory
End
Machine
coordinate
system
Radius and
chamfers
Hole
positioning
Hole
centering
Contour milling
with cycle
Drilling
holes
Tapping
Milling slots
and spigots
The two radii and the
chamfer shown in the
diagram can be produced
with the code marked in
the program below.
actual effect
RND = Radii
CHR = Chamfer
(specified side length of isosceles
triangle with chamfer as base line)
CHF=Chamfer
(specified base line length of
isosceles triangle with chamfer as
base line)
N55 SUPA G00 Z300 D0
N60 SUPA G00 X300 Y300
N65 T3 D1
N70 MSG("Please change to Tool No 3")
N75 M05 M09 M00
N80 S5000 M3 G94 F300
N85 G00 X-6 Y92
N90 G00 Z2
N95 G01 F300 Z-10
N100 G41 Y 90
N102 G01 X 5
N105 G01 X12 RND=5
N110 G01 Y97 CHR=2
N115 G01 X70 RND=4
N120 G01 Y90
N125 G01 G40 X80
N130 G00 Z50
Radius and
chamfers