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170 7 Programming: Canned Cycles, sub-programs
7.2 Canned Cycles
Draft Angle Pocket Cycle
Use the draft pocket milling cycle to machine a draft angle on the
outer contour of a pocket. The tool must be positioned at the center
point of the lower-left corner radius, at the bottom of the draft
pocket, prior to running the draft pocket cycle. This is where the
machining begins. You can program a rectangular pocket cycle to
mill out an initial pocket prior to the draft angle pocket block if
desired.
Field Code Description
Bottom
Length
X X length at the bottom of the pocket.
(Required)
Bottom
Width
Y Y width at the bottom of the pocket.
(Required)
Z Depth Z Z absolute pocket depth. (Required)
Z Step
Rough
I Z-axis roughing step-down. (Required)
Start
Height
H Z absolute rapid start height (must be 0.1”
or 2 mm above surface). (Required)
Draft
Angle
E Draft angle to be machined on vertical walls
of pocket. (Required)
Lower Left
Rad
A Lower-left corner radius. Cannot be less
than tool radius. (Required) If only A is used,
then the A value is used for all four corners.
Lower
Right Rad
B Lower-right corner radius. Cannot be less
than tool radius.
Upper
Right Rad
C Upper-right corner radius. Cannot be less
than tool radius.
Upper Left
Rad
D Upper-left corner radius. Cannot be less
than tool radius.