60 smart.Turn Units
2.3 Units—Recessing
The MANUALplus uses the tool definition to distinguish between
radial and axial recessing.
Turning depth compensation RB: Depending on factors such as
workpiece material or feed rate, the tool tip is displaced during a
turning operation. You can correct the resulting infeed error with the
turning depth compensation factor. The value is usually determined
empirically.
Offset width B: After the second infeed movement, during the
transition from turning to recessing, the path to be machined is
reduced by the offset width B. Each time the system switches on this
side, the path is reduced by B—in addition to the previous offset. The
total offset is limited to 80% of the effective cutting width (effective
cutting width = cutting width –2*cutting radius). If required, the
MANUALplus reduces the programmed offset width. After precutting,
the remaining material is removed with a single cut.
"Contour recessing with direct contour input"
unit
The unit machines the contour defined by the parameters axially/
radially.
Unit name: G860_G80 / Cycle: G860 (see page 255)
The MANUALplus uses the tool definition to distinguish between
radial and axial recessing.
Access to the technology database:
Machining operation: Contour recessing
Affected parameters: F, S, E
Contour form: see page 48
Cycle form
Q Roughing/finishing (process variants)
0 (SS): Roughing and finishing
1 (SP): Only roughing
2 (SL): Only finishing
I, K Oversize in X, Z direction (I: diameter value)
P Cutting width (recessing width): (default: 0.8 x tool width)
E Finishing feed rate: Differing feed rate used only for the
finishing process
EZ Period of dwell after recessing path (default: time for one
spindle revolution)
DQ Number of recessing cycles
DX, DZ Distance to subsequent recess in X, Z direction
APP Approach: see page 51
Further forms: see page 46
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