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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Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. This standard includes the following cross references:.
Amazon Inspire Digital Educational Resources. The blocks shall have been calibrated using the same test forces that the machine will use for future testing. Verification and calibration of testing machines 1 Scope This document specifies a method of verification and calibration of testing machines and diagonal measuring system for determining Vickers hardness in accordance with ISO If a testing machine is also to be used for other methods of hardness testing, it shall be verified independently for each method.
ISO 金属材料-维氏硬度试验 (第二部分）.pdf
International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
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For each blockthe difference between the mean measured value and the certilied mean diagonal shall not exceed the maximum permissible errors given in Table 3 5. Verification and calibration of testing machines This document has been re-assessed by the committee, and judged to still be up to date. Need more than one copy? Take the smart route 6057-2 manage medical device compliance.
The main changes compared to the previous edition are as follows: Verification and calibration 0′ testing machines Part 3: This document is also applicable for portable hardness testers, but not on hardness testing machines 65007-2 the basis of various measuring principles, such as ultrasonic impedance methods.
Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Pruefung und Kalibrierung der Pruefmaschinen. When an individual scale is used in two perpendicular axes, it shall be calibrated in both orientations.
Test method Part 2: We have no amendments or corrections for this standard. This part of ISO is also applicable to portable hardness testing machines but not applicable to hardness testing machines based on different measurement principles, e.
The influence quantitieslor exampletemperature dependenceoso Be the first to review this item Would you like to tell us about a lower price? Please first log in with a verified email before subscribing to alerts. The maximum permissible error of each of the three measurements at each interval shall be as indicated in Table 3.
SRPS EN ISO 6507-2:2017
Table 6 — Direct verifications of hardness testing machines Diagonal Requirements of verification Force measuring Test cycle Indentera system Before setting to work first time x x x x After dismantling and reassembling, if force, diagonal 650-2 system sio test x x x cycle are affected.
As the voice of the U. The criteria specified in this document for the performance of the testing machine have been developed and refined over a significant period of time. A direct method of verification and calibration is specified for the testing machine, indenter and the diagonal length measuring system. For testing machines whose test force is shown not to be influenced by the position of the plunger, e.
Click to learn more. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
If the verification is made outside this temperature range, this shall be stated in the verification report. Subscription pricing is determined by: Write a customer review. Whenever the indenter position affects the applied force, this shall be done at not less than three positions of the plunger 6570-2 spaced throughout its range of movement during testing.