Micrometers To Aid Accurate Measurements

Published: 14th December 2010
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For many years engineers have counted on a tool known as the micrometer. First pioneered in the seventeenth century, the micrometer is required to measure incredibly small distances in the fields of mechanical engineering and machining. The are different types of micrometer each created for a specific purpose, examples include the outside micrometer, the inside or internal micrometer along with the depth micrometer. The micrometer, also called the micrometer screw gauge, consists of calibrated screw but the exact type of this screw varies according to if the device is an outside or internal micrometer or even a depth micrometer.



The outside micrometer, also referred to as the micrometer caliper, can be used to measure a distance surrounded by the micrometer as the name suggests. The standard use of the outside micrometer is to measure items including wires, shafts and blocks. The micrometer works when it is placed around the object in question after which the screw is tightened. The outside micrometer along with the depth micrometer both feature measurement markings on the screw, as a way to acquire precise measurements.



The internal micrometer, as it's name also suggests, is utilized to measure distances in which the micrometer itself fits. This type of micrometer is normally employed to measure holes. To use an internal micrometer the screw is put within the hole to be measured and turned until the working parts have extended in an outward direction and fit tightly against the inside wall of the hole. The reading will be taken from the precision scale that's printed along the outside of the screw.



The depth micrometer is used in measuring the depth of a hole from the surface that it comes from. The device includes a body from which protrudes a metal shaft that is extended and retracted using a screw on the device’s body. With the main body of the tool resting on the surface along with the shaft above the hole, the depth can be measured. The screw is then turned until the tip of the shaft fits tightly against the bottom of the hole involved. An exact reading will then be taken from the measurement scale printed along the side of the screw.



Micrometers are generally found in engineering to determine precise measurements, even when measuring small distances. Internal micrometers and other forms of micrometer are often used when a conventional method for instance using a tape measure would not produce the degree of accuracy. It's the screw that's tightened that enables distances to be measured with this kind of degree of accuracy. Provided that the screw has been produced using appropriate manufacturing techniques and to a high standard, the micrometer itself will produce readings with a really low margin of error and a high degree of precision.
This post was written by R. Deans on behalf of Tool Orders, experts in the depth micometer and internal micrometer. For more info on depth micometer and internal micrometer please visit ToolOrders.co.uk

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