Detailed Description
2.4 Tool: Tool radius compensation 2D (TRC)
Tool Compensation (W1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-59
The following conditions must be true for retraction:
• Smooth retraction is activated in block N60
• Retraction movement performed with quadrant (G248) and helix (G340)
• FAD not programmed, since irrelevant for G340
• Z=2 in the start point; Z=8 in the end point, since DISCL=6
• When DISR=5, the radius of SAR contour=20; that of the tool center point path=5
• After the circle block, the retraction movement leads from Z8 to Z20 and the movement is
parallel to the XY plane up to the end point at X70 Y0.
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Fig. 2-25 Contour example 2
Part program:
$TC_DP1[1,1]=120 ; Tool definition T1/D1
$TC_DP6 [1,1] = 10 ; Radius
N10 G0 X0 Y0 Z20 G64 D1 T1 OFFN = 5 (P0app)
N20 G41 G247 G341 Z0 DISCL = AC(7) DISR = 10 F1500 FAD=200 (P3app)
N30 G1 X30 Y-10 (P4app)
N40 X40 Z2
N50 X50 (P4ret)
N60 G248 G340 X70 Y0 Z20 DISCL = 6 DISR = 5 G40 F10000 (P3ret)
N70 X80 Y0 (P0ret)
N80 M 30
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