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What is machining repeatability or machining accuracy?

2023-01-05
Latest company news about What is machining repeatability or machining accuracy?

Machining accuracy refers to the similarity of measurements after multiple attempts or between multiple copies of a part.

latest company news about What is machining repeatability or machining accuracy?  0

In other words, a machine is highly accurate if it hits exactly the same point on multiple copies of a part.

 

This is different from accuracy because accuracy is not specifically concerned with whether the "points" are the same as those specified in the design! A machine can be so precise that it always cuts 3 mm to the left of the intended mark.

 

Obviously, it is important to be both accurate and precise.

latest company news about What is machining repeatability or machining accuracy?  1

Accuracy means that you are reaching the coordinates specified in the design, while precision means that you are hitting them consistently over multiple units.