Siemens SINUMERIK 802D sl Programming And Operating Manual page 185

Sketch of the geometry parameters
Figure 9-11
Programming example
Machining sequence:
● Oscillation with continuous infeed in Z direction at a grinding wheel peripheral speed of
● In part program block N30: allowance of 0.1 mm and infeed of 0.005 mm per stroke, no
● Both operations involve 2 sparking-out strokes. These are performed with the same
● The per-stroke feedrate in X is 40 mm for the 1st operation and 10 mm for the 2nd.
● The fact that the start point of the second machining operation is precisely matched to an
N10 T2D1
N20 CYCLE446( 20)
N30 CYCLE428( 0, 100, -350, -95, 0, 10.500000, 0, 0, 0, 0, 0.1, 0,
0.005000, 2, 0, 3000, 30000, 40)
N40 CYCLE428( 0, 100, -350, -95, 0, 10.48, 0, 0, 0, 0, 0.02, 0,
0.002, 2, 1, 3000, 30000, 10)
N50 M30
Surface grinding
Programming and Operating Manual, 11/2012, 6FC5398-5CP10-3BA0
Surface grinding with intermittent infeed - CYCLE428
20 m/s with two infeed blocks.
retraction at the end and, therefore, grinding immediately continues in part program block
N40 with an allowance of 0.02 mm and infeed of 0.002 mm per stroke.
geometry positions.
end point of the first machining operation means that infeed can take place straight away.
In order for this to happen, grinding with an acoustic emission sensor must be
deactivated.
9.12 Surface grinding with intermittent infeed - CYCLE428
Cycles
185