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6.
Machinle parameters / User-parameters
Machine parameters can be split into the following
groups:
Machine-specific
parameters
For prograrnming
of e.g. rapid feeds, spindle speeds. Also for axis designation,
counting direction
and
linear compensation.
Machine parameters for optimization
of the positioning
loops
For optimising
e.g. the trailing error (lag) and positioning
behaviour.
Machine parameters for the integral PLC
For activation
of, certain PLC-program
sections or macros. !t is also possible to initiate special user-cycles.
Nominal values for a PLC-positioning
routine can be stored. Further machine parameters permit a central
tool memory or the control
of a toolchanger.
Machine parameters for adaptation
of a data interface
In the EXT-mode
of the RS-232-C (V.24)interface,
data formats, control characters and transmission
protocols
for peripheral
units can be programmed.
Machine parameters for electronic
handwheels and 3D-touch
probe systems
An entry value corresponding
to the connected handwheel version and a limitation
of the sensitivity
is
programmed.
This prevents the influence of axis movement in the event of shocks.
For the 3D-touch
probe system parameters such as the safety clearance, measuring feed and traverse
limitation
are entered.
Machine parameters which affect NC-programming
Such parameters can be made accessible to the user as user-parameters.
Selection and, if necessary, a plain
language designation via the PLC-program
is made by the machine tool builder.
These can be parameters for:
.Selection of the dialogue language
.Selection 0.f the programming
language
.Projection
for graphics display in 3 planes
.For the cot-trot as a programming
station with an inactive machine
.Overstep for pocket milling
.Scaling factor effective in 2 or 3 axes
.Adaptation
of the RS-232-C (V.24)interface
in the "EXT''-mode
for data transmission
units.
Initial commissioning
procedure
The following
procedure is applicable to machine commissioning:
1) Determination
of the parameters of the first group (see section 6.1)
2)
Filling lout of complete parameter list in the sequence demanded by the TNC 151/TNC
155 (see section 9)
3)
Entry of parameters into the control
(see section 8.1.3)
4)
Optimisation
of temporary
parameters as per check-list (see section 8)
Erasing machine parameters
Code number
531210
With this, machine parameters can be erased easily. Moreover, the erasable markers Ml000
to M2000 are
reset.
38
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