Siemens SINUMERIK 840D sl Function Manual page 90
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- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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W1: Tool offset
2.6 2 1/2 D tool radius compensation
2½ tool radius compensation referred to a differential tool
2½ D tool radius compensation, referred to a differential tool, is activated using theCUT2DD or
CUT2DFD commands. It should be applied if the programmed contour refers to the center point
path of a differential tool, and a tool other than a differential tool is used for machining. When
calculating the 2½ D tool radius compensation, only the wear of the radius of the active tool
($TC_DP_15) and the possibly programmed tool offsetOFFN and TOFFR are taken into
account. The basic radius ($TC_DP6) of the active tool is not taken into account.
Syntax
CUT2D
CUT2DD
CUT2DF
CUT2DFD
Meaning
CUT2D:
CUT2DD:
CUT2DF:
CUT2DFD:
Further information
Contour tools
● Enabling
Tool radius compensation for contour tools is enabled on a channel-specific basis using:
MD28290 $MC_MM_SHAPED_TOOLS_ENABLE
● Tool type
Contour tool types are defined on a channel-specific basis using:
MD20370 $MC_SHAPED_TOOL_TYPE_NO
● Cutting edge
A number of cutting edges (D numbers) can be assigned to each contour tool in any
sequence. The maximum number of cutting edges per tool is parameterized using:
MD18106 $MN_MM_MAX_CUTTING_EDGE_PERTOOL
The first cutting edge of a contour tool is the cutting edge, which is selected when activating
the tool. If, e.g. in a program, using the commands T3 D5, the fifth cutting edge (D5) of the
third tool (T3) is activated, then D5 and the following cutting edges define with one part, or
altogether, the contour tool. The cutting edges located before D5 are ignored.
2½ D tool radius compensation without rotating the correction plane (CUT2D, CUT2DD)
If a frame that contains a rotation is programmed, then for CUT2D or CUT2DD, the plane in which
the tool radius compensation (correction plane) takes place is not rotated at the same time. The
tool radius compensation is taken into account, referred to the non rotated machining plane
(G17, G18, G19). The tool length compensation acts relative to the correction plane.
90
Activating the 2½ D radius compensation
Activating the 2½ D radius compensation referred to a differential tool
Activating 2½ D radius compensation, tool radius compensation relative to the current
frame and/or inclined plane
Activating 2½ D radius compensation, tool radius compensation relative to the current
frame and/or inclined plane
Function Manual, 06/2019, A5E47435126B AA
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