When it comes to precision measurement, CMM machines are some of the most accurate tools available. But what exactly is a CMM machine? And how does it work? What is a CMM? A CMM is a machine that measures the three-dimensional coordinates of points on a surface. It can measure the size and shape of an object and is often used in manufacturing and engineering settings. In...Read More
Digital calipers are one of the most common hand tools used on the shop floor. In a manufacturing plant, under a quality control system, these tools need to be checked and calibrated on a regular basis. We have discussed in past articles the pros and cons of doing gage calibrations internally or by an external calibration facility. Both have their cost and advantages/disadvantages. However, calipers...Read More
In a perfect world, all gaging results are spot on. They are both accurate and precise no matter the conditions or by whom or where the gage is used. Unfortunately, this is not the case. These two gage characteristics are both very important. However, we could ask ourselves which one is more important. Perhaps an argument can be made for one over the other. According...Read More
We are all familiar with the versatility of calipers—Vernier, dial, or digital. On the shop floor, in the inspection room, or even now for the home hobbyist, the caliper is a fast and easy-to-use tool to make basic length measurements. But while the caliper is a versatile tool, it is not one of the most precise. Skills are required for positioning and interpreting measurement results....Read More
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