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\viewkind4\uc1\pard\qc\cf1\b\f0\fs20 POCKET4 Circular Cycle
\par \pard\cf0\b0\f1 Use this cycle to machine circular pockets in the machining plane. For finishing, a face cutter is required.
\par The depth infeed will always start at the pocket center point and be performed vertically from there; thus it is practical to predrill at this position.
\par The milling direction can be determined either using a G command (G2/G3) or from the spindle direction as synchronous or opposed milling.
\par For solid machining, the maximum infeed width in the plane can be programmed.
\par Finishing allowance also for the pocket base
\par Two different insertion strategies: vertically to the pocket center along a helical path around the pocket center.
\par Shorter approach paths in the plane for finishing.
\par Consideration of a blank contour in the plane and a blank dimension at the base (optimum machining of preformed pockets possible).
\par
\par \b\f2\fs18 N30 POCKET4(3, 0, 0, -20, 25, 50, 60, 6, 0, 0, 200, 100,1, 21, 0, 0, 0, 2, 3)
\par
\par \fs22 Programming example: Circular pocket
\par \b0\f1\fs20 With this program, you can machine a circular pocket in the YZ plane. The center point is determined by Y50 Z50. The infeed axis for the depth infeed is the X axis. Neither finishing dimension, nor safety clearance are specified. The pocket is machined with conventional (opposed) milling. Infeed is performed along a helical path.
\par A milling cutter with 10 mm radius is used.\cf1\b\f0
\par \pard\qc
\par \cf0\b0\f1
\par }