Mitech JMHVS-1-XYZ automatic precision micro hardness tester, berdasarkan prinsip mekanis indentor berlian piramida segi empat positif ke permukaan sampel untuk menghasilkan lekukan. Dengan mengukur panjang diagonal lekukan untuk mencapai kekerasan material.
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Mitech JMHVS-1-XYZ automatic precision micro hardness tester,based on the mechanical principle of the positive quadrilateral pyramid diamond indenter into the sample surface to produce indentation.By measuring the diagonal length of the indentation to achieve the hardness of the material.It is designed for small specimens,thick workpiece, heat treatment of the workpiece surface (infiltration coating) Vickers hardness test.With high automation degree,accurate measurement, integrated electromechanical integration in one,and the use of photoelectric sensor system to high magnification optical measurement,it is equipped with automatic turret device,high sensitivity touch screen operation interface to achieve automatic loading and unloading,automatic indentation marks,micro-auto focus measurement indentation diameter,GB/ASTM hardness automatic conversion, automatic test report and other functions.With the function of easy to operate and high efficiency,it is widely used in metal processing,electronics industry,mold parts,watches and clocks manufacturing,engineering quality inspection,and other fields,scientific research institutions etc.and it is the ideal hardness test equipment for sophisticated manufacturing and quality inspection departments to test materials.
The testing principle of Micro Vickers (or Knoop) hardness is the using of regular four-pyramid diamond pressure head, the selected fixed experimental force (load) is pressed into the specimen surface and maintained for a certain length of time (Paula), and then the experimental force (unloading) is removed.A positive pyramid or Knup indentation with a square on the surface of the specimen remains.The length of the diagonal is measured by the micrometer (0.020~1.400mm) to obtain the area of the indentation and to obtain the corresponding Vickers (or Knoop) hardness value.
Usually Vickers hardness values can be converted according to the following formula:
HV = constant × test force / indentation surface area ≈0.1891 F / d2;
Note: HV: Vickers hardness symbol; F: test force (N); d: the arithmetic mean of indentation two diagonal d1, d2.
Initially test force | 10gf (0.098N)、25gf (0.246N)、50gf (0.49N)、100gf (0.98N)、 200gf (1.96N)、300gf (2.94N)、500gf (4.9N)、1k |
Measuring range | 5-2500HV |
Hardness mode | HV、HK |
Conversion scale | HRA、HRB、HRC、HRD、HR15N、HR30N、HR45N、HR15T、HR30T、HR45T、HV、HK、HBW |
Applying way of test force | Automatic (plus, loading, unloading) |
Magnification of measuring microscope | 100X(Observation) 400X(Measurement) |
The conversion mode of the lens’ head | Automatic |
Minimum resolution | 0.01μm |
Maximum height of applicable materials | 210mm |
Maximum distance from head to the fuselage | 320mm |
Display characteristics | LCD large screen Display |
Test force holding time | 0~60s |
Image focus | Manual operation or automatic operation |
Camera (Pixel) | 1.3 million |
Indentation measurement | Manual operation or automatic operation |
Data statistics | Automatically calculate the hardness of the average, variance, Cp, Cpk and other statistical values. |
Data storage | Raw measurement data, images, etc.which can be saved in the document. |
Hardening curve | Automatically draw the hardening curve |
Suitable for material edge scan | Automatic (automatically scans along the edges of the test pieces and draws the edge overall diagram |
XYZ Sample Table | 110mm*110mm |
Mobile control | Manual operation or automatic operation |
Test report | Automatically generate Word or Excel document reports in a format that can be customized (standard f |
Power supply | AC220V±5%,50~60Hz |
Kirschner Hardness | It can be set to Vickers hardness measurement |
Overall dimensions | 490*320*530mm |
Machine weight | 45kg |
Produk asli Kami distributor langsung Mitech Harga murah dan berkualitas bergaransi tentunya. dapat di kirim ke seluruh wilaya Indonesia.
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