F; (Feed rate)
The F parameter in G-code is a versatile value that represents the feed rate, which is the rate at which the machine's tool or device moves relative to the workpiece during the machining process. This parameter can be applied to various machines and processes, such as milling, turning, laser cutting, or 3D printing, and typically determines the speed of linear and curved toolpath movements. The F parameter plays a crucial role in controlling the efficiency, accuracy, and surface finish quality of the machined part or object.
To set the feed rate, program F.... The application of the feed rate is described in Section 184.108.40.206, unless the inverse time feed rate mode is in effect, in which case the feed rate is as described in Section 3.6.23.