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HEIDENHAIN ITNC 530 - 6-2010 DIN-ISO PROGRAMMING User Manual

HEIDENHAIN ITNC 530 - 6-2010 DIN-ISO PROGRAMMING
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HEIDENHAIN iTNC 530 307
10.4 Miscellaneous Functions for Contouring Behavior
10.4 Miscellaneous Functions for
Contouring Behavior
Smoothing corners: M90
Standard behavior
The TNC stops the tool briefly in positioning blocks without tool radius
compensation. This is called an exact stop.
In program blocks with radius compensation (RR/RL), the TNC
automatically inserts a transition arc at outside corners.
Behavior with M90
The tool moves at corners with constant speed: This provides a
smoother, more continuous surface. Machining time is also reduced.
Application example: Surface consisting of a series of straight line
segments.
Effect
M90 is effective only in the blocks in which it is programmed.
M90 becomes effective at the start of block. Operation with servo lag
must be active.
Insert rounding arc between straight lines: M112
Compatibility
For reasons of compatibility, the M112 function is still available.
However, to define the tolerance for fast contour milling,
HEIDENHAIN recommends the use of the TOLERANCE cycle (see
User's Manual for Cycles, section 32 TOLERANCE).
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HEIDENHAIN ITNC 530 - 6-2010 DIN-ISO PROGRAMMING Specifications

General IconGeneral
BrandHEIDENHAIN
ModelITNC 530 - 6-2010 DIN-ISO PROGRAMMING
CategoryControl Panel
LanguageEnglish

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