Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario descargar pdf (Pagina 203)

100

101

Running a Program

Chapter 7

7-15

5. Key in the desired character string or sequence number to search for

and press the

[TRANSMIT] key. The control locates an @ symbol to

the left of the block immediately before the block t hat automatic

execution begins from.

If this is not the block to begin execution from,

(softkey level 5)

CONT TOP OF

PRGRAM

QUIT EXIT

Ifyo u want to: Press this softkey:

continueto searchfor theentered character stringor

sequencenumber

{CONT}

return tothe firstblockin theprogram {TOPOF PRGRAM}

end eitherthe sequencenumbersearchorthe character

string searchoperations

{QUIT}

6. Press the {EXIT} or the {EXIT & MOVE} softkey once the program is

at the desired location.

{EXIT} - Use this softkey if the wheel is at the exact location for

execution of the searched program block. While the control searches

for your starting block it performs cal culations to determine what the

absolute position of the axes should be before your selected block is

executed. If the wheel is not at this position when you press the

{EXIT} softkey, the control aborts the mid-start operation. When this

occurs the control displays the message “AXIS POSITION

INCORRECT”.

{EXIT & MOVE} - Use this softkey if the wheel is not at the exact

location for execution of the searched block. Be aware that the

absolute position of the axes necessary at the start of the searched

block is dependant on the previous blocks. There can be offsets

activated or incremental moves that can make it difficult for you to

determine t he exact absolute starting point for the axes. The control

generates a motion block to place the wheel at the position necessary

to generate the intended contour when the searched block is

executed. The block generated is always a linear move with a

feedrate based on the last motion block prior to the searched block.

If the last motion block was a cutting move with a feedrate, then the

generated block will be a linear move at that cutting feedrate. If the

last motion block was a rapid move, that the generated block will be

a linear move at the rapid feedrate.

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Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 203

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