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"8 Tool Offsets
8.1 Tool data
The geometrical tool data for the tool are stored under tool offset number D: Length ± 9999.999 mm, radius ± 999.999 mm; T number 4 decades (input resolution 1µm).
The tool number, tool type, geometry, basic dimension and wear of all active tools are stored in the tool offset memory of the NC.
• The memory is subdivided into 99 tool offsets (D1 to D99).
• Each block consists of 10 columns corresponding to 10 tool parameters (P0 to P9) and has the following structure:´
P0 : Tool number P1 : Type P2 : L1 Geometry P3 : L2 Geometry P4 : Diameter/radius P5 : L1 Wear P6 : L2 Wear P7 : Diameter/ radius P8 : L1 Base P9 : L2 Base
D1 ... D99
Wear data
• The structure of the tool offset block is defined by the tool type (P1). Breakdown of tool type P1: Type 0 Tool not defined Type 1 . . . 9 Lathe tools, position of tool tip Type 10 . . . 19 Tools with active length compensation only (e.g. drills) Type 20 . . . 29 Tools with radius compensation and one length compensation (e.g. milling cutters) Type 30 . . . 39 Tools with radius compensation and two length compensations (e.g. angle tool noses)
• The tool offset is called in up to 3 decades via D1 to D99. • The tool offset is cancelled with D0.
The offset is not executed until the corresponding axis is programmed. The geometry and wear are updated, for example, by measuring cycles in the NC."