Okuma OSP 5000, Электротехническое обслуживание, Учебное пособие

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Okuma America Corporation
Lathe Lathe
Lathe Lathe
Lathe
Rev. 8-21-01
Parameters are specific values that define the limits and capabilities of a machine. The control
needs parameters to control the machine efficiently and safely. The parameter settings dictate
the characteristics of a particular machine. Most of the parameters are factory set and should not
be changed. However, some parameters do need to be changed from time to time and a record of
parameters changed should be logged. An updated copy of all parameters should be copied to a
diskette or other peripheral device.
Parameters are accessed by pressing the Parameter mode button. The different parameter menus
are accessed by pressing the Item up or Item down function keys. To access the next page of a
particular menu press the Page up or Page down buttons.
The following are the different types of parameters on Okuma lathes with the
OSP 5000/5020L series controls.
User Parameter
User parameters contain the variable soft limits and droop data. Variable soft limits are
used to reduce the cycle time of a workpiece. For example, in most cases, a turret has to
be at a soft limit before the control will allow it to index (rotate). The variable soft limits
are designed to protect the chuck and tailstock from collision. The variable soft limits
cannot be set outside the stroke end limits. When a stroke end limit is set, the corre-
sponding variable soft limit is set to the same value and must be reset if need be.
The actual tool path will not agree with the programmed tool path when cutting sharp
corners. Droop data is used to eliminate or reduce these path tracing errors. Droop
amount can be set from 0 to 1.000 mm.
Chuck/Tailstock
These parameters tell the control whether chucking is ID or OD and whether the control
is in chuck or tailstock work mode. If the tailstock is being used, it is referred to as
center work. The chuck and tailstock can have a barrier built around them to further
protect them from collisions. Parameter long word #’s 18 to 23 are used along with these
parameters to provide further protection.
This chuck barrier data is ignored
during manual operation!!
Programed tool path
Actual tool path
Droop