CNC Knowledge: The right way to use the micrometer

A spiral micrometer, also known as micrometer, is a specific measurement tool.

Spiral micrometer structure

The following is a structural diagram of the spiral micrometer:

The height of the precision wire of the spiral micrometer is 0.5 mm, and the mobile scale has 50 equal scores. Measure. We can see that each small index of the mobile scale represents 0.01 mm, so that the spiral micrometer can be precise at 0.01 mm. Since you can read another, you can read the millimeter of the millimeter, it is also called micrometer.
How to use the spiral micrometer

When we often help customers connect our data collector to effective measurements with spiral micrometers, we often guide customers to do the following when making a spiral micrometers:

1) Check the zero point before use:
Slowly turn the fine adjustment button to make the measurement rod (F) and the measurement anvil (A) comes into contact until the ratchet emitted a sound. be with the fixed sleeve.

2) Hold the rule frame (C) with the left hand, turn the coarse adjustment button with the right hand to make the distance between the measuring stem and the measurement anvil a slightly larger than the Object to be measured, put the object to be measured, turn the protective button to tighten the object to be measured until the ratchet sounds, turn the fixing button to fix the measurement rod and read it.

Spiral micrometer reading method

1. Read the fixed scale first

2. Read the scale again.
3. Read the mobile scale again (pay attention to estimation and reading). Note like N × 0.01 mm;
4. The final reading result is the fixed scale + half-scale + mobile scale
Given that the spiral micrometer reading results are precise to the millimeter of mm, the spiral micrometer is also called micrometer.