Red Seal Machinist Practice Exam 2025 – All-in-One Comprehensive Guide to Exam Success!

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What does the acronym G-code stand for?

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The acronym G-code stands for "Geometric code." G-code is a programming language used to control CNC (Computer Numerical Control) machines, including milling machines, lathes, and 3D printers. It consists of a series of commands that allow the operator to define precise movements, coordinate axes, tool usage, and speeds necessary for the machining process.

The use of geometry in G-code is essential because it provides the foundation for defining the shape, size, and path that the cutting tool will follow. This geometric information is crucial to ensuring that parts are manufactured to the exact specifications and tolerances required in machining.

Understanding G-code's focus on geometric instructions can help machinists program their machines more effectively, ensuring accuracy and efficiency in the manufacturing process.

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