Brinell hardness measuring assisting device and measuring method thereof
A Brinell hardness and auxiliary device technology, which is applied in the field of Brinell hardness measurement auxiliary devices, can solve problems such as inability to accurately measure the indentation diameter of small-diameter specimens, and the inability to calculate the Brinell hardness value of small-diameter specimens. To achieve the effect of compact structure, fast measurement and reduced labor intensity
Pending Publication Date: 2018-11-23
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology
[0003] One of the objectives of the present invention is to provide a compact and easy-to-use auxiliary device for Brinell hardness measurement, which is used to assist the reading microscope to read the indentation diameter of small-diameter specimens, and solves the problem of inability to accurately measure smal
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[0027] The present invention will be further described below in conjunction with the specific embodiments in the accompanying drawings.
[0028] refer to Figure 1-7 As shown, a Brinell hardness measurement auxiliary device of the present invention includes a split-type cylindrical support seat 5 and a flat column-shaped proof block 6, that is, the support seat 5 and the proof block 6 can be used in combination or detached for storage , the support base 5 is a hollow structure, and a horizontal calibration surface 7 is provided on one side of the calibration block 6. Correspondingly, a horizontal reference plane 8 is provided at one end of the support base 5. When applied, the calibration surface 7 and the reference plane 8 Fit together to form coplanar calibration. There is also an accommodation chamber 9 coaxially arranged in the support seat 5. The accommodation chamber 9 is a cylindrical cavity for accommodating the workpiece 3 to be measured. There are two layers on the p...
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The invention discloses a Brinell hardness measuring assisting device. The Brinell hardness measuring assisting device comprises a cylindrical support seat and a flat columnar calibrating block whichare separately arranged, wherein one side of the calibrating block is provided with a horizontal calibrating surface, and correspondingly one end of the support seat is provided with a horizontal reference surface; the interior of the support seat is provided with an accommodation cavity which is coaxially arranged with the support seat; two layers of locking assembly are vertically arranged at the periphery of the support seat; each layer of locking assembly comprises at least three locking screws which are uniformly distributed and are rotationally connected with the support seat along the radial direction; the end part of each locking screw is provided with a spherical head part. The Brinell hardness measuring assisting device solves the problem of the prior art that the Brinell hardness value of the small-diameter specimen cannot be calculated because the indentation diameter of the small-diameter specimen cannot be accurately measured. The invention also discloses a Brinell hardness measuring method. The Brinell hardness of the small-diameter specimen is measured by the method, so that the Brinell hardness can be quickly measured, the working efficiency is greatly improved, and the labor intensity is decreased.
Description
technical field [0001] The invention relates to the technical field of hardness testing, more specifically, it relates to a Brinell hardness measuring auxiliary device and a measuring method thereof. Background technique [0002] The Brinell hardness test method for metal materials is: apply a certain test force to a cemented carbide body with a certain diameter, press it into the surface of the sample, and after a specified holding time, remove the test force, measure the indentation diameter of the sample, and then Obtain the Brinell hardness value of the sample by looking up the table and calculating. In the Brinell hardness measurement process, the measurement is to use a reading microscope to measure the indentation diameter in two mutually perpendicular directions of the sample, and take the average value as the "indentation diameter", and finally look up the table. During normal use, such as figure 1 As shown, the bottom surface of the mirror base 2 of the reading m...
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Login to View More IPC IPC(8): G01N3/42G01N3/02G01N3/06
CPCG01N3/02G01N3/068G01N3/42G01N2203/0641G01N2203/008
Inventor 刘伟森曹燕菊黄劲
Owner GUANGXI YUCHAI MASCH CO LTD