Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario descargar pdf (Pagina 155)

100

101

Editing ProgramsOn Line

Chapter 5

5-35

To digitize an arc that is tangent at the endpoint of the previous path:

1. Press the

{CIRCLE TANGNT} softkey.

When you press the

{CIRCLE TANGNT} softkey, the control sets the

current wheel position as the start point of a circular move. If the

previous block was circular, a tangent to the end point of the arc is

used as the tangent point to the following block.

Important: You cannot select the

{CIRCLE TANGNT} feature as the first

motion block in a part program because there is no path for the start of the

arc to be tangent to.

The screen changes to display the current wheel location in large

display characters:

STORE

END PT

EDIT &

STORE

E-STOP

DIGITIZE:

TARGET[ MM ]

X - 0.000

Z - 0.000

F 0.000 MMPM S 00

2. Reposition t he wheel at the end point of the arc by using any of the

following methods:

Jog the Axes in manual mode

Automatically move the axes by executing a part program or MDI

program

Manually move the axes using any means as long as the encoder is

still actively recording the wheel position (see documentation

prepared by your system installer)

5.4.3

Digitizing An Arc Tangent at

End Points

1 2 ... 150 151 152 153 154 155 156 157 158 159 160 ... 819 820

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Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 155

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