What is T code in CNC?

In CNC (Computer Numerical Control) programming, a T code is used to specify a tool number that corresponds to a specific cutting tool in the machine’s tool magazine. The T code is typically used in conjunction with other codes, such as G codes and M codes, to program the movements and actions of the CNC machine.

The T code is usually followed by a number that corresponds to a specific tool in the machine’s tool magazine. For example, T01 would specify the first tool in the magazine, T02 would specify the second tool, and so on. Different types of CNC machines may have different tool magazines with varying numbers of tools, so the specific tool number will depend on the machine being used.

When programming a CNC machine, the T code is used to specify which tool is being used for a particular operation. This allows the machine to automatically select and change tools as needed during the machining process, increasing efficiency and reducing downtime. The T code is an essential part of CNC programming and is used in almost every CNC program.

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