Vickers Hardness Testing Machine Specification

The indication is tiny and allows testing of a precision finished part.

Vickers hardness testing machine specification.

Vickers hardness testing machines blue star e e offers a wide range of robust vickers hardness testers. As specialists we can also offer bespoke fixtures and automatic systems to ensure your specific needs are met. Vickers hardness machine the testing machine shall support the test specimen and control the movement of the indenter into the specimen under a preselected test force and should have a. Hardness testing of welds can be performed on any vickers micro hardness testing machine.

An efficient vickers knoop and brinell automatic hardness tester offering micro macro and universal testing in one machine. Loading and unloading cycle is motorised. When hardness testing of welds a series of measurements are made in a given pattern at a specific distance from the sample edge or top of the weld. The vickers test can be used for all metals and has one of the widest scales among hardness tests.

The unit of hardness given by the test is known as the vickers pyramid number hv or diamond pyramid hardness dph. Designed for both vickers and knoop testing conform international standards iso 6507 and astm e384 segment leading load range 0 01 2 kgf load range over nine 9 individual load steps increased ease of use with automation. The hardness number is determined by the load over the surface area of the indentation and not the area normal to the force and is therefore not. The vickers hardness test method consists of indenting the test material with a square base pyramid shaped diamond.

Vickers testing machines shall be verified periodically using test blocks. The vickers method is based on an optical measurement system where the output is measured by the diagonal of the impression. Verification checking or testing to assure conformance with the specification. Duramin 150 an entry level rockwell automatic hardness tester for high accuracy and a short cycle time.

Vickers hardness tester testing range is very wide from soft metal such as lead upto the hardest like hardeness steel. Vickers tests at 1000 gf can be utilized for determination of the bulk hardness but as for any hardness test it is recommended that a number of indents are made and the average and standard deviation are calculated as needed or as required. The hardness number can be converted into units of pascals but should not be confused with pressure which uses the same units. The progression of the hardness values can then be plotted in a graph.