ISO (E). INTERNATIONAL. STANDARD. ISO. Second edition. Metallic materials — Vickers hardness test —. Part 2: Verification. I.S. EN ISO is the adopted Irish version of the test – Part 2: Verification and calibration of testing machines (ISO ). ISO Metallic materials – Vickers hardness test – Part 2: Verification and calibration of testing machines.
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Please download Chrome or Firefox or view our browser tips. This applies to all measurements made when performing a direct or indirect verification of the machine. The illumination device 01 the measuring microscope shall produce unilorm lighting 01 the whole observed lield and maximum contrast between the indentation and the surrounding surface 4 Direct verification 4. Subscription pricing is determined by: Learn more about the cookies we use and how to change your settings.
We have no amendments or corrections for this standard. The maximum permissible length of the line of junction between opposite faces is given in Table 2. Already Subscribed to this document.
An indirect verification method using reference blocks is specified for the 6507–2 checking of the machine. This annex gives guidance on uncertainty estimation but the values derived are for information only, unless specifically instructed otherwise by the customer.
ISO ; b the indenter serial number; c all results obtained; d the date of verification and reference to the verification institution; e the uncertainty of the verification result. International Classification for Standards ICS is an international classification system for technical standards. This fourth edition cancels and replaces the third edition ISO If the document is revised or amended, you will be notified by email. This part of ISO is also applicable to portable hardness testing machines.
Whenever the indenter position affects the applied force, this shall be done at not less than three positions of the plunger uniformly spaced throughout its range of movement during testing. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
BS EN ISO 6507-2:2005
This part of ISO specifies a method of verification and calibration of testing machines and diagonal measuring system for determining Vickers hardness in accordance with ISO The resolution 01 the measuring system lor Vickers hardness testing 01 hardmetals is specilied in ISO 4.
Standards Subsctiption may be the perfect solution. In particular the different approval io needed for the different types of ISO documents should be noted. Already Subscribed to this document. If a testing machine is also to be used for other methods of hardness testing, it shall be verified independently for each method.
However, there may be special circumstances where reducing the tolerance by the measurement uncertainty is appropriate. The blocks shall have been calibrated using the same test forces that the machine will use for future testing.
ISO ： 金属维氏硬度试验 第二部分：硬度计的检验 – MBA智库文档
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