Siemens Sinumerik 840D sl Programming Manual page 86
Fundamentals
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- Function manual (2184 pages) ,
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Spindle motion
7.2 Cutting rate (SVC)
Program code
N160 SVC=50
N170 D4
N180 SVC=300
Example 5:
Assumptions:
Spindles are toolholders at the same time:
MD20124 $MC_TOOL_MANAGEMENT_TOOLHOLDER = 0
In the event of a tool change, tool offset data set D4 is selected automatically.
MD20270 $MC_CUTTING_EDGE_DEFAULT = 4
Program code
N10 $TC_MPP1[9998,1]=2
N11 $TC_MPP5[9998,1]=1
N20 $TC_MPP1[9998,2]=2
N21 $TC_MPP5[9998,2]=3
N30 $TC_TP2[2]="WZ2"
N31 $TC_DP6[2,1]=5.0
N40 $TC_TP2[8]="WZ8"
N41 $TC_DP6[8,1]=9.0
N42 $TC_DP6[8,4]=7.0
...
N100 SETMS(1)
N110 T="WZ2" M6 D1
N120 G1 G94 F1000 M3 SVC=100
N200 SETMS(3)
N210 M4 SVC=150
N220 T="WZ8"
N230 M4 SVC=200
N240 M6
N250 SVC=50
N260 D1
86
Comment
; S3 = (50 m/min * 1,000) / (5.0 mm * 2 * 3.14) = 1592.36 rpm.
The offset applied to toolholder 1 is still active and as-
signed to spindle 3.
; Offset D4 of the new tool "WZ8" becomes active (in tool-
holder 4).
; S6 = (300 m/min * 1,000) / (7.0 mm * 2 * 3.14) = 6824.39 rpm
Spindle 6 is assigned to toolholder 4.
Comment
; Magazine location is toolholder
; Magazine location is toolholder 1 = spindle 1
; Magazine location is toolholder
; Magazine location is toolholder 3 = spindle 3
; Radius = 5.0 mm of T2, offset D1
; Radius = 9.0 mm of T8, offset D1
; Radius = 7.0 mm of T8, offset D4
; Spindle 1 = master spindle
; Tool T2 is loaded and offset D1 is activated.
; S1 = (100 m/min * 1,000) / (5.0 mm * 2 * 3.14) = 3184.71 rpm
; Spindle 3 = master spindle
; S3 = (150 m/min * 1,000) / (5.0 mm * 2 * 3.14) =
4777.07 rpm.
Refers to tool offset D1 of T="WZ2", S1 continues to turn at
previous speed.
; Corresponds to T8="WZ8"
; S3 = (200 m/min * 1,000) / (5.0 mm * 2 * 3.14) =
6369.43 rpm.
Refers to tool offset D1 of T="WZ2".
; Corresponds to M3=6
Tool "WZ8" is in the master spindle, tool offset D4 of the
new tool becomes active.
; S3 = (50 m/min * 1,000) / (7.0 mm * 2 * 3.14) = 1137.40 rpm.
Offset D4 on master spindle is active.
; Offset D1 of new tool "WZ8" active.
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals
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