Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Instrukcja Użytkownika Pobierz pdf (Strona 73)

100

101

Chapter

3-1

Offset Tables and Setup

This chapter describes the offset tables and their setup. The major topics

descri bed in this chapter include:

Topic: On page:

Wheel LengthOffsetTables {WHEELG EOMET} 3-1

Dresser/WheelRadiusOffset{RADIUSTABLE} 3-4

Dresser/WheelOrientation {RADIUSTABLE} 3-8

DresserOrientations 3-9

Grinding Wheel Orientations 3-10

EditingWheel O ffsetTables {WHEELGEOMET} or{RADIUS TABLE} 3-11

Set OffsetData Using {MEASURE} 3-16

Changing theActiveDresser/wheelO ffset {ACTIVEOFFSET} 3-17

WorkCoordinate System Offset Table{WORKCO-ORD} 3-18

Entering WorkCoordinate System Data 3-19

BackingUp OffsetTables 3-23

Programmable Zone Table 3-25

Single-DigitFeedrateTable 3-27

Wheel length offsets let the programmer write a part program with respect

to the same fixed point on the grinder regardless of the wheel being used.

This fixed point (called t he gauge point) is determined by your system

installer. F or the purpose of documentation, this manual assumes that the

gauge point is a fixed point on the centerline of the grinding wheel. See

your system installer’s documentation for details on the location of the

gauge point on your system.

This section describes how to enter the length values that are called later

when the corresponding length offset is activat ed. Typically wheel length

offsets are activated with a T word as described in chapter 13.

The control stores wheel length offsets in a table called the wheel

geometry table. This table stores wheel length offset values under offset

numbers. When you select a certain wheel offset number with a T word in

the part program, the control references this table and looks up the

associated length offset values stored for that offset number. For details on

how and when the length offset is activated, see chapter 13.

3.0

Chapter Overview

3.1

Wheel Length Offset Tables

{WHEEL GEOMET}

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 819 820

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