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Chapter 7

UM10349_PCNC1100_Manual_0916A

Programming

It is possible, however, to control the axes so that, at all mes, each axis has completed the same

fracon of its required moon (as the other axes) and the tool maintains a straight line moon.

Arc and Helical Moon

Any pair of the linear axes (XY, YZ, and XZ) can be controlled to move in a circular arc in the plane

of that pair of axes. While this is occurring, the third linear axis and/or the rotaonal axes can be

controlled to move simultaneously at a constant rate. As in coordinated linear moon, these moons

can be coordinated so that acceleraon and deceleraon do not aect the path. If the third linear

axis moves simultaneously with arc moon, the trajectory of the controlled point forms a helix.

Feed Rate

The feed rate is the nominally steady rate at which the controlled point moves. Feed rates are

programmed by the operator. The interpretaon of the feed rate is detailed in the table below.

Motion Feed Rate

Coordinated linear motion of one or more axis (X-, Y-, or

Z-axis)

Inches per minute (G20 mode) or

millimeters per minute (G21 mode)

Rotational axis motion of one axis (A-axis) Degrees per minute

Coordinated linear motion of one or more axis (X-, Y-, or

Z-axis) with simultaneous rotational axis motion (A-axis)

This type of motion is usually programmed

in inverse time feed rate mode (G93)

Dwell

Commanding a dwell pauses the moon of the axes for a specic amount of me. The units in which

you specify dwell are seconds; a decimal value is used to get less than one second.

Work Osets

Work osets allow you assign an origin to any locaon within the work envelope.

Up to nine dierent work osets can be saved in the mill memory, but only one can be acve at any

given me. The default work oset is G54. The posion of each work oset origin is stored in the

Work Oset Table.

Tool Number

The tool number is used to idenfy a tool in a program. Each tool used in the program must have a

unique tool number between 1 and 256.

Tool Table

The tool table stores the tool diameter value and tool length oset value associated with each tool

number. The diameter value is used for cuer radius compensaon. The tool length oset value is

used to adjust the posion of the controlled point for dierences in the lengths among tools.

Tormach PCNC 1100 User Manual

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