Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set User Manual

Page 501

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Tool Control Functions

Chapter 20

20-17

Starting a program with a tool already active

If desired, a part program may begin execution with a tool already active in
the chuck. In order for random tool to be able to properly handle that tool,
it is necessary to enter information about that tool in the random tool table.

Important: If random tool was used when the tool was loaded into the
chuck, it is not necessary to enter any data since random tool will
remember what tool is loaded even after power is turned off. This
procedure is only necessary if a tool is loaded manually or if random tool
was not used when the tool was loaded.

The control will need the following information to properly handle a tool
that is already active in the chuck. Tool number, number of pockets the
tool uses, and position of the shaft pocket relative to these other pockets
(refer to the section on manual entry of data for details on shaft pocket and
custom tool data). Do this in the following way:

1.

Press the {ACTIVE} softkey. The control will prompt the operator
for the tool number, the number of pockets, and the position of the
shaft pocket relative to the these other pockets all separated by
commas.

(softkey level 3)

REPLCE

VALUE

CLEAR

VALUE

CUSTOM ACTIVE BACKUP

2.

The control will display the configuration of the tool that it thinks is
currently loaded into the chuck. If these values are incorrect, replace
them using the correct tool information. Enter a value for tool
number, number of pockets, and position of the shaft pocket all
separated by commas on the input line. Data can be edited on the
input line as discussed in section 2.10.

3.

When the data for the tool that is currently in the chuck is correct,
press the [TRANSMIT] key. The control will now be able to return
the tool that is in the chuck to the best location in the tool changer at
the proper time.

Important: You can also use the {ACTIVE} softkey to clear the currently
active tool and specify no tool is currently in the spindle. To specify no
tool is in the spindle press the {ACTIVE} softkey and delete any
information that appears at the prompt. When the [TRANSMIT] key is
pressed, the active tool is cleared and the random tool assumes no tool is in
the spindle.

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