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SLOT2 : Circumferential slot
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Mill Circumferential slot

Circumferential slot SLOT2

With Sinumerik SLOT2 cycle, circular slots can be produced arranged on a circle. Sinumerik SLOT2 cycle is a combined roughing/finishing cycle. SLOT2 (RTP, RFP, SDIS, DP, DPR, NUM, AFSL, WID, CPA, CPO, RAD, STA1, INDA, FFD, FFP1, MID, CDIR, FAL, VARI, MIDF, FFP2, SSF)
Parameter
Description
RTP
Return plane (absolute)
RFP
Reference plane (absolute)
SDIS
Safety distance (enter without sign)
DP
Final drilling depth/elongated hole depth/slot depth/pocket depth (absolute)
DPR
Final drilling depth/elongated hole depth/slot depth/pocket depth relative to reference plane (enter without sign)
NUM
Number of holes/elongated holes/slots
AFSL
Angle for slot length (enter without sign)
WID
Slot width/pocket width (enter without sign)
CPA
Center point circle/pocket, abscissa (absolute)
CPO
Center point circle/pocket, ordinate (absolu
RAD
Radius of circle (enter without sign)
STA1
Starting angle, values: -180 to 180 degrees
INDA
Indexing angle
FFD
Feedrate for depth infeed
FFP1
Feedrate for surface machining
MID
Maximum insertion depth for insertion (enter without sign)
CDIR
Direction of machining Values: 2 (for G2) 3 (for G3)
FAL
Correct finishing allowance for contour (enter without sign)
VARI
Machining mode 0=complete machining 1=solid machining to finishing allowance 2=only machining of finishing allowance
MIDF
Maximum insertion depth for final allowance
FFP2
Feedrate for final allowance
SSF
Speed during finishing
EXAMPLE
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Programming example1: Slots2

Use this program to machine three circumferential slots arranged at a circle with center point X60 Y60 and radius 42 mm in the XY plane. The circumferential slots have the following dimensions: Width 15 mm, angle for slot length 70 degrees, depth 23 mm. The initial angle is 0 degree, the incremental angle is 120 degrees. The slot contours are machined to a final machining allowance of 0.5 mm, the safety clearance in infeed axis Z is 2 mm, the maximum depth infeed is 6 mm. The slots are to be completely machined. Speed and feedrate are to be the same when finishing. The infeed when finishing is to be performed to slot depth.