10
Motion-Synchronous Action 08.97
10.4 Actions within s
nchronized actions
10
840D
NCU 571
840D
NCU 572
NCU 573
FM-NC
810D
840Di
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Siemens AG 2000. All rights reserved
10-372
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
10.4.13 Online tool offset FTOC
Programming
FTOC(Polynomial_No., RV, Length_2_3 or Radius4,
channel, spindle)
Explanation
Polynomial_No. For polynomial defined with FCTDEF, see Subsection "Polynomial
definition" in this Section.
RV Real-time variable for which a function value for the specified
polynomial is to be calculated.
Length1_2_3
Radius4
Length compensation ($TC_DP1 to 3) or radius compensation to
which the calculated function value is added.
Channel Number of the channel in which the offset is active. No specification
is made here for an offset in the active channel. FTOCON must be
activated in the target channel.
Spindle Only specified if it is not the active spindle which is to be
compensated.
Function
FTOC permits overlaid movement for a geometry axis
after a polynomial programmed with FCTDEF
depending on a reference value that might, for
example, be the actual value of an axis.
This means that you can also program modal,
Online tool compensations or clearance controls as
synchronized actions.
Application
Machining of a workpiece and dressing of a grinding
wheel in the same channel or in different channels
(machining and dressing channel).
The supplementary conditions and specifications for
dressing grinding wheels apply to FTOC in the same
way that they apply to tool offsets using PUTFTOCF.
For further information, please refer to Chapter 5
"Tool Offsets".
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