HEIDENHAIN TNC 370 User Manual page 208

8 Cycles
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8.3 Cycles for Milling Pockets, Studs and Slots
Input data
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SET-UP CLEARANCE QZOO (incremental value):
Distance between tool tip and workpiece surface. Enter a positive
value.
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DEPTH Q201 (incremental value):
Distance between workpiece surface and bottom of pocket. Enter a
negative value.
. FEED RATE FOR PLUNGING Q206:
Traversing speed of the tool when moving to depths in mm/min. If
plunge-cutting into the material, enter a low value; if clearing has
already been carried out, enter a higher feed rate.
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PECKING DEPTH Q202 (incremental value):
lnfeed per cut. Enter a value greater than 0.
. FEED RATE FOR MILLING 0207:
Traversing speed of the tool when milling in mm/min.
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WORKPIECE SURFACE COORDINATE Q203 (absolute value):
Coordinate of the workpiece surface.
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2ND SET-UP CLEARANCE 0204 (incremental value):
Z coordinate at which no collision between tool and workpiece
(clamping devices) can occur. Enter a positive value.
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CENTER IN 1ST AXIS Q216 (absolute value):
Center of the pocket in the main axis of the working plane.
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CENTER IN 2ND AXIS Q217 (absolute value):
Center of the pocket in the secondary axis of the working plane.
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FIRST SIDE LENGTH 0218 (incremental value):
Length of the pocket, parallel to the main axis of the working plane.
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SECOND SIDE LENGTH Q219 (incremental value):
Length of the pocket, parallel to the secondary axis of the working
plane.
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CORNER RADIUS 0220:
Radius of the pocket corner.
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ALLOWANCE JB 1ST AXIS 0221 (incremental value):
Finishing allowance in X, referenced to the length of the pocket.
Enter a positive value.
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Fig. 8.13: Input parameters, POCKET
FINISHING cycle
Fig. 8.14: Input parameters, POCKET
FINISHING cycle
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TNC 370
8-19