This section provides an overview for dial caliper gauges as well as their applications and principles. Also, please take a look at the list of 2 dial caliper gauge manufacturers and their company rankings.
Table of Contents
A dial caliper gauge is a measuring instrument used primarily to measure inside and outside diameters and thicknesses.
The frame of a dial caliper gauge is composed of various frame parts, making it a more specialized measuring instrument.
The contact portion extends from the dial portion like the horns of a stag beetle in the shape of the letter "U" (u), and is used to measure dimensions by touching the tip of the "U" to the appropriate measuring section.
By selecting the shape of the contact portion that matches the measuring section, actual work becomes easier.
First, select and obtain the appropriate measuring element for the part to be measured from the catalogs of the respective companies.
Next, place the dial caliper gauges on the model and set 0 (zero) at the specified dimension.
Remove the dial caliper gauges from the model and touch it to the relevant measuring section of the workpiece to check the dimensional difference of the dial section. The dimensions of the relevant measuring section can be checked by the difference between the specified dimension and the dimension.
As with dial indicators, calibration must be performed over a specified period and by a specified method. By performing calibration, the correct dimensional difference can be confirmed on the dial section.
Dial caliper gauges mainly consist of dial caliper gauges, a measuring element at the tip, and a frame (such as two U-shaped columns or two L-shaped columns) connecting them.
By making the shape highly specialized, it is possible to measure parts that cannot be measured with ordinary dial indicators or digital calipers. For example, when measuring the outer diameter of a shaft inside an intricate interior, when measuring the concave R dimension of a cylindrical shape inside an enclosed perimeter, or when measuring the thickness or height of a part where a height gauge cannot adequately cover the measuring point.
The frame has a fixed side and a movable side so that the tip of the installed dial gauge moves the same distance as the tip measuring element moves, and the movable side has a part that touches the measuring section of the dial gauge. In this way, movement of the same distance as the measuring element at the tip can be displayed as a dimensional difference of the dial gauge.
It is important to note that the direction of movement of the frame part often differs when the tip of the measuring element and the dial gauge touch. Especially when high-precision measurement results are required or when the contact between the tip measuring element and the workpiece to be measured is not stable, it is necessary to use a model of the actual product with known dimensions for the 0 (zero) setting, or to clarify the measurement procedure and rules, etc.
*Including some distributors, etc.
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