A dial caliper is a precision measuring tool widely used in mechanical, engineering, and manufacturing fields to measure the outer diameter, inner diameter, depth, and step height of objects. It consists of a scale body with graduations, a fixed jaw, a movable jaw, and a dial gauge. Here is an introduction to the functions, usage methods, and precautions of a dial caliper.
Functions
The primary functions of a dial caliper include precise length measurements. It can measure:
1. Outer Diameter: By clamping the object between the fixed jaw and the movable jaw, the reading is taken from the dial.
2. Inner Diameter: Using the inner sides of the jaws, it measures the internal dimensions such as hole diameters.
3. Depth: By inserting the depth rod into holes or slots, the depth value is read.
4. Step Height: By using the step part of the jaws, it measures the height of steps.
Usage Methods
1. Calibration: Before use, ensure the dial caliper is zeroed. Close the jaws completely and adjust the dial to point to the zero mark.
2. Measuring Outer Diameter: Clamp the object between the fixed jaw and the movable jaw, gently close the jaws ensuring proper contact without squeezing, and read the value from the dial or the scale.
3. Measuring Inner Diameter: Insert the inner sides of the jaws into the hole, gently open the jaws ensuring proper contact without squeezing, and read the value from the dial or the scale.
4. Measuring Depth: Insert the depth rod into the hole or slot, slide the scale body until the depth rod touches the bottom, and read the value from the dial or the scale.
5. Measuring Step Height: Place the step part of the jaws on the step, slide the scale body until the bottom of the jaws touch the other side of the step, and read the value from the dial or the scale.
Precautions
1. Avoid Dropping: A dial caliper is a precision instrument; dropping it may cause the scale to shift or the jaws to deform, affecting measurement accuracy.
2. Keep Clean: Clean the dial caliper after use to prevent dust, oil, and other impurities from affecting accuracy.
3. Regular Calibration: Regularly calibrate the dial caliper to ensure its accuracy, especially after long periods of non-use or frequent use.
4. Proper Storage: Store the dial caliper in its protective case after use to prevent scratches and collisions by avoiding mixing it with other tools.
5. Moderate Force: Avoid using excessive force during measurements, especially when measuring soft materials like plastic or rubber, to prevent deformation or damage to the object being measured.
In conclusion, a dial caliper is an effective tool for precise measurements. By following the correct usage methods and precautions, its accuracy and longevity can be ensured.
jason@wayleading.com
+8613666269798
Post time: May-15-2024
