In machining operations, one of the most critical stages of machine setup and part machining is setting tool lengths correctly and precisely. Used on CNC machining centres, lathes and milling machines, Z-Setters (Dial Z-Setters) speed up tool length measurement while minimising human error and downtime [00:15].
Watch our video on the detailed use and application steps of the Z-setter supplied by Temak Teknik below:
What Is a Z-Setter and What Does It Do?
A Z-setter is a measuring device with a precisely calibrated fixed height (for example 50 mm or 100 mm) and a built-in dial indicator [00:08]. On machining centres, it is used to accurately record the Z-axis length values of cutting tools in the machine’s tool offset page [01:15].
- Versatile Mounting: Thanks to the strong magnet (magnetic base) on its underside, it can be fixed to the machine table and can also be used securely on horizontal or vertical surfaces [00:15], [00:24].
- Micron-Level Precision: Its spring-loaded plunger mechanism and precision dial indicator allow measurements to an accuracy of one thousandth of a millimetre (0.001 mm) without damaging the tool’s cutting edges [01:15], [03:28].
Measuring Methods with a Z-Setter
Depending on the application and your operating practices, you can use the Z-setter in different ways:
1. Setting from the Table or Spindle:
Using the device’s fixed height (for example 100 mm) as a reference, you can define the machine table as Z=0 and set all tools relative to this reference plane [00:45], [02:08].
2. Master Tool and Relative Setting:
By taking a designated master tool as the reference and setting the Z-setter dial to “0”, you can easily determine the length differences of all other cutting tools relative to this point and enter them into the control [01:08], [02:17].
3. Setting on the Vice or Workpiece:
In series production or special mould machining, you can place the Z-setter directly on the vice/workpiece to quickly reset broken or worn tools from the same reference point [04:41].
Points to Observe for Accurate and Safe Use
To achieve maximum accuracy from the Z-setter and preserve its service life, the following points should be observed during operation:
- Contact Without Rotation: During measurement, the spindle must never be rotated (no spindle speed); the tool tip should be brought slowly into contact with the device by jogging the axis with the handwheel [01:15], [02:56].
- Protection Pins: To prevent damage to the device or the tool from excessive downward axis movement, observe the limits of the protection pin and avoid sudden or impact contact [02:37].
- Cleanliness: Before measuring, the contact surface of the Z-setter and the tool tip should be cleaned of burrs, oil and dust.
The Temak Teknik Advantage in Your Manufacturing Processes
To work with high precision without disruption on your shop floor, choose the Z-setters and measuring instruments available from Temak Teknik stock.
For information on all our measuring solutions and technical details, visit temak.com.tr and get in touch with our expert technical team.