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Product details
A Z-axis zero presetter is a tool used in CNC machining to accurately and quickly set the zero point (datum) for the tool's length, referenced to the machine table or workpiece surface. It's a high-precision device that helps eliminate manual guesswork, reduces setup time, and improves accuracy for both tool changes and the initial setup of a job.
Specifications
Key Features
Function: The presetter is used to establish the tool's position (zero point) along the Z-axis (depth) of a CNC machine. This is often called "touching off".
Operation: The user places the presetter on the workpiece or table and then lowers the spindle until it makes contact with the presetter's top surface. This contact point, often indicated by a light or a dial reading, is then used to set the Z-axis zero in the machine's control system.
Benefit: It provides a fast, accurate, and repeatable way to set the tool height, which minimizes errors and improves safety compared to manual adjustments.
Design: Many models feature a spring-loaded plunger or measuring surface to absorb impact and prevent the tool bit from breaking. The base is typically magnetic to hold it securely on the machine table or workpiece.