Tool Function T

In CNC system, address symbol T controls program commands used for selecting a tool.

Format

T_

Description

The numerical value behind T denotes the selected tool No., and the relationship between T command and a tool is stipulated by machine tool manufacturer.

When a machining center runs T command, tool magazine will rotate to select the required tool.

T command calls in tool compensation value (including length and radius) from the tool compensation register. Although T command is a non-modal command, the value of tool compensation called is effective until a new value is called for the next tool change.