Cycles
9.20 Longitudinal surface grinding - CYCLE452
Cylindrical grinding
216 Programming and Operating Manual, 07/2009, 6FC5398-4CP10-2BA0
Parameter Data type Meaning
D_SL INT Dressing strokes after finishing
D_FS INT Dressing strokes after fine-finishing
ESL REAL Off-loading prior to finishing
EFS REAL Off-loading prior to fine-finishing
FX_SR REAL Infeed feed rate when roughing
FX_SL REAL Infeed feed rate when finishing
FX_FS REAL Infeed feed rate when fine-finishing
FZ_SR REAL Z feedrate when roughing
FZ_SL REAL Z feedrate when finishing
FZ_FS REAL Z feedrate when fine-finishing
MZ INT Measurement control Yes=1 / No=0
KS INT Acoustic emission Yes=1 / No=0
F_KS REAL Feedrate for air grinding [mm/min]
UWERK REAL Workpiece peripheral speed [m/min]
Function
The longitudinal surface grinding cycle is called for processing large shoulders which are
taller than the wheel radius or when shoulders with the diameter of the wheel are to be
machined. Here, the shoulder is ground using the oscillation method or multiple plunge-
cutting.
Infeed when longitudinal grinding takes place at the reversal points. Intermediate dressing,
interruption and use of the handwheel are all supported (handwheel only for cylindrical
parts). The buttons react immediately. Following the technological steps of roughing and
finishing, dressing or off-loading can be programmed.
Sequence
Approach allowance position, approach Z starting position and X position. Start of the
oscillating motion after approaching with acoustic emission, infeed in the reversal points or
processing of the multiple plunge-cuts with or without acoustic emission.
The first infeed once oscillating motion has commenced is adjusted to ensure that all
additional infeed operations correspond to the infeed amount. This process is also performed
following interruptions, intermediate dressing and deselection of the handwheel override
function. Following interruption/dressing, an off-loading value is applied as the tool
approaches the machining start point. At the end, the tool retracts to the starting position.
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