HEIDENHAIN CNC Pilot 4290 V7.1 - Manual (Page 12)

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4.4 Program Section Code ..... 135
PROGRAM HEAD section ..... 136
TURRET section ..... 137
CHUCKING EQUIPMENT section ..... 142
CONTOUR section ..... 143
BLANK section ..... 143
FINISHED PART section ..... 143
AUXILIARY CONTOUR section ..... 144
FRONT section ..... 144
REAR SIDE section ..... 144
SURFACE section ..... 144
MACHINING section ..... 144
END code ..... 144
ZUORDNUNG [ASSIGNMENT] instruction $.. ..... 144
SUBPROGRAM section ..... 145
RETURN code ..... 145
CONST code ..... 145
4.5 Definition of Workpiece Blank ..... 146
Chuck piece: bar/tube G20-Geo ..... 146
Casting G21-Geo ..... 146
4.6 Basic Contour Elements ..... 147
Starting point of turning contour G0-Geo ..... 147
Line segment in a contour G1-Geo ..... 147
Circular arc of turning contour G2/G3-Geo ..... 148
Circular arc of turning contour G12/G13-Geo ..... 150
4.7 Contour Form Elements ..... 152
Recess (standard) G22-Geo ..... 152
Recess (general) G23-Geo ..... 153
Thread with undercut G24-Geo ..... 155
Undercut contour G25-Geo ..... 156
Thread (standard) G34-Geo ..... 159
Thread (general) G37-Geo ..... 160
Hole (centric) G49-Geo ..... 162
4.8 Attributes for Contour Description ..... 163
Precision stop ..... 164
Surface roughness G10-Geo ..... 164
Feed rate reduction factor G38-Geo ..... 165
Attributes for superimposed elements G39-Geo ..... 165
Blockwise oversize G52-Geo ..... 166
Feed per revolution G95-Geo ..... 166
Additive compensation G149-Geo ..... 167
4.9 C-Axis Contours—Fundamentals ..... 168
Milling contour position ..... 168
Circular pattern with circular slots ..... 169