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Tag CNC touch probe
What is a Touch Probe?
If you’ve ever watched a CNC machine “tap” a part a few times before machining—or pause mid-cycle to check a bore—you’ve seen probing in action. A touch probe (often called a workpiece probe) is a high-precision sensor mounted in the spindle (or turret) that touches the workpiece with a stylus ball to capture real 3D coordinates inside the machine, then feeds that data back to the CNC so it can set work offsets, align the part, compensate drift, or verify dimensions in-cycle.
XYZ Zeroing with a Probe: Plates, Pucks, and Routines
There’s a moment in every CNC job where the part is clamped, the tool is loaded, the program is ready… and you pause because you know the truth:
If your XYZ zero is wrong, everything after it is just expensive artwork.
XYZ Zeroing with a Probe: Plates, Pucks, and Routines
Finding a reliable 0,0,0 on your CNC — the point where X, Y, and Z all meet — is one of the first real steps to accurate machining. Whether you’re doing one-offs or production runs, nailing the zero means your program will hit features where it should. Traditionally, operators used edge finders, indicators, or simple visual alignment. But with a touch probe and the right approach — using plates, pucks, and probing routines — you get accuracy, repeatability, and confidence every time.
CNC Probe Basics: Calibrating a CNC Probe for Accuracy and Repeatability
A CNC probe isn’t just a fancy sensor you occasionally use to set up workpieces. When properly calibrated, it becomes one of the most powerful tools in your shop — saving time, reducing scrap, improving first-article success, and making setup and inspection predictable instead of guesswork.
CNC Probe Basics: What a Touch Probe Does and Why It Matters
A CNC touch probe is a precision switch mounted in the spindle (or on the table) with a stylus. When the ball touches a surface, the probe sends a clean, repeatable trigger to the control.