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1 principle and overview – HEIDENHAIN iTNC 530 (60642x-04) User Manual

Page 318

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318

Programming: Q Parameters

9.1 Pr

inciple and o

v

erview

9.1 Principle and overview

You can program entire families of parts in a single part program. You

do this by entering variables called Q parameters instead of fixed

numerical values.
Q parameters can represent information such as:

Coordinate values

Feed rates

Spindle speeds

Cycle data

Q parameters also enable you to program contours that are defined

with mathematical functions. You can also use Q parameters to make

the execution of machining steps depend on logical conditions. In

conjunction with FK programming you can also combine contours that

do not have NC-compatible dimensions with Q parameters.
Q parameters are designated by letters and a number between 0 and

1999. Parameters that take effect in different manners are available.

Please refer to the following table:

Q4

Q2

Q3

Q1

Q5

Q6

Meaning

Area

Freely applicable parameters, as long as no

overlapping with SL cycles can occur. They

are globally effective for all programs stored

in the TNC memory.

Q0

to Q99

Parameters for special TNC functions

Q100

to Q199

Parameters that are primarily used for cycles,

globally effective for all programs stored in

the TNC memory

Q200

to Q1199

Parameters that are primarily used for OEM

cycles, globally effective for all programs

stored in the TNC memory. This may require

coordination with the machine manufacturer

or supplier.

Q1200

to Q1399

Parameters that are primarily used for call-
active

OEM cycles, globally effective for all

programs that are stored in the TNC memory

Q1400

to Q1499

Parameters that are primarily used for Def-
active

OEM cycles, globally effective for all

programs that are stored in the TNC memory

Q1500

to Q1599