5+ ダイヤルゲージ使い方芯出し Article

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The Basics of Dial Gauges

Dial gauges are essential tools in the world of machining, used for measuring and inspecting the accuracy of machine parts. They are commonly used to check the centering of a workpiece, ensuring that the drilling, milling, or turning process is accurate and precise. In this article, we will guide you through the steps of using a dial gauge for centering in 2023.

Step 1: Preparing the Workpiece and Dial Gauge

Before starting, ensure that the workpiece is securely clamped to the machine table. Next, attach the dial gauge to the machine spindle or chuck using a magnetic base or clamp. Make sure that the dial gauge is positioned perpendicular to the workpiece surface and is in contact with the center point.

Step 2: Taking the Initial Reading

Once the dial gauge is set up, take the initial reading by zeroing the gauge at the center point of the workpiece. This can be done by rotating the machine spindle or chuck to align the gauge with the center point, then adjusting the gauge until the needle reads zero.

Step 3: Moving the Workpiece

To check the centering of the workpiece, move the machine table or spindle in the X and Y directions while keeping an eye on the dial gauge reading. If the needle moves away from zero, adjust the position of the workpiece until the gauge reads zero again.

Step 4: Repeating the Process

Repeat the process by moving the workpiece in different directions, checking the gauge reading, and adjusting the position of the workpiece until the gauge reads zero. This ensures that the workpiece is accurately centered and ready for machining.

Tips for Using Dial Gauges

Here are some tips to keep in mind when using dial gauges for centering:

Tip 1: Use a Magnetic Base or Clamp

A magnetic base or clamp is essential for attaching the dial gauge to the machine spindle or chuck. This ensures that the gauge is securely attached and won’t move during the centering process.

Tip 2: Keep the Gauge Clean and Calibrated

Regularly clean the dial gauge to ensure that it is free from dust and debris. Additionally, have the gauge calibrated by a professional at least once a year to ensure accurate readings.

Tip 3: Be Patient and Precise

Centering a workpiece using a dial gauge can be a time-consuming process, but it’s important to be patient and precise. Take your time to ensure that the workpiece is accurately centered before starting any machining process.

Conclusion

Using a dial gauge for centering is an essential part of the machining process. By following the steps outlined in this article and keeping these tips in mind, you can ensure that your workpiece is accurately centered and ready for machining. Remember to always be patient and precise when using a dial gauge, and have it calibrated regularly for accurate readings.