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Programming technological functions (cycles)
8.2 Milling
Parameter
Description
R
Corner radius
α0
Angle of rotation
Z1
Depth referred to Z0 (inc) or pocket depth (abs) - (only for ∇, ∇∇∇ or ∇∇∇ edge)
Maximum plane infeed
DXY
Maximum plane infeed as a percentage of the milling cutter diameter
- (only for ∇ and ∇∇∇)
DZ
Maximum depth infeed – (only for ∇, ∇∇∇ or ∇∇∇ edge)
UXY
Plane finishing allowance – (only for ∇, ∇∇∇ or ∇∇∇ edge)
UZ
Depth finishing allowance – (only for ∇, ∇∇∇ or ∇∇∇ edge)
Insertion
The following insertion modes can be selected – (only for ∇, ∇∇∇ or ∇∇∇ edge)
Predrilled: (only for G code)
With G0, the pocket center point is approached at the retraction level, and then,
from this position, the reference point brought forward by the safety clearance is
approached also with G0. The machining of the rectangular pocket is then
performed according to the selected insertion strategy, taking into account the
programmed blank dimensions.
Perpendicular: Insert perpendicular to the center of pocket
The tool executes the calculated actual depth infeed at the pocket center in a single
block. This setting can be used only if the cutter can cut across center or if the
pocket has been predrilled.
Helical: Insert along helical path
The cutter center point traverses along the helical path determined by the radius
and depth per revolution (helical path). If the depth for one infeed has been
reached, a full circle motion is executed to eliminate the inclined insertion path.
Oscillating: Insert with oscillation along center axis of rectangular pocket
The cutter center point oscillates back and forth along a linear path until it reaches
the depth infeed. When the depth has been reached, the path is traversed again
without depth infeed in order to eliminate the inclined insertion path.
FZ
Depth infeed rate - (only for insertion, predrilled and perpendicular)
EP
Maximum pitch of helix – (for helical insertion only)
ER
Radius of helix – (for helical insertion only)
The radius cannot be any larger than the cutter radius; otherwise, material will remain.
EW
Maximum insertion angle – (for insertion with oscillation only)
Solid machining
Complete machining
(for roughing only)
The rectangular pocket is milled from the solid material.
Editing
A rectangular pocket or hole has already been machined in the workpiece. This
needs to be enlarged in one or several axes. You must program parameters AZ,
W1 and L1 for this purpose.
AZ
Depth of premachining – (for remachining only)
W1
Width of premachining – (for remachining only)
L1
Length of premachining – (for remachining only)
FS
Chamfer width for chamfering - (for chamfering only)
ZFS
Insertion depth of tool tip (abs or inc) – (for chamfer only)
294
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Unit
mm
Degrees
mm
mm
%
mm
mm
mm
mm/min
mm/tooth
mm/rev
mm
Degrees
mm
mm
mm
mm
mm
Milling

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This manual also for:

Sinumerik828d

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