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Hardness measuring device and method for adjusting the hardness measuring device

A technology for measuring devices and hardness, which is applied in the direction of measuring devices, testing material hardness, strength characteristics, etc., and can solve problems such as inaccuracy and time-consuming

Active Publication Date: 2016-12-28
ATM QNESS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is not only time-consuming but also comes with inaccuracies if the specimen is not precisely oriented

Method used

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  • Hardness measuring device and method for adjusting the hardness measuring device
  • Hardness measuring device and method for adjusting the hardness measuring device
  • Hardness measuring device and method for adjusting the hardness measuring device

Examples

Experimental program
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Embodiment Construction

[0026] figure 1 The hardness testing machine shown comprises a frame 1 with a table 2 on which a sample 3, which in the example shown is a tube, is placed. An electric motor is arranged below the table 2 and drives a vertically oriented threaded spindle 4 via a threaded spindle drive. The screw rod 4 works together with the screw nut 5 which is connected with the hardness measuring device 6 . Furthermore, the hardness measuring device 6 can be moved up and down on the stand 1 (ie towards and away from the sample 3 ) via vertical guides 7 , not shown in detail. In addition, a jig 8 may be provided on the hardness measuring device 6, which is used to fix the sample 3 on the machine table 2, so as to be able to perform accurate measurement.

[0027] At least one durometer indenter 9 is arranged on the hardness measuring device 6 . Depending on the measuring method used, the durometer indenter can be, for example, a Vickers, Brinell or Rockwell hardness indenter. The machine ac...

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PUM

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Abstract

A hardness testing device has at least one penetrator (9), arranged on a holder (15), for producing an impression (27) in an object under test (3) and at least one lens (12) for detecting at least one measure of the impression (27) in the object under test (3), which can be positioned alternately over the object under test (3). The holder (15) is mounted on the hardness testing device (6) in such a way as to be able to rotate around its longitudinal axis.

Description

technical field [0001] The invention relates to a hardness measuring device, which comprises: at least one durometer indenter arranged on a holding device, the durometer indenter is used to form an indentation in a sample; An objective lens of at least one dimension of the indentation, the indenter and the objective lens may be alternately positioned over the specimen. [0002] Furthermore, the invention relates to a method for adjusting the rotational position of a durometer indenter of a hardness measuring device which is received on a holding device. Background technique [0003] Hardness measuring devices are known which have both a durometer indenter and an optical device in order to be able to immediately measure the indentation made by the durometer indenter. The durometer indenter and the optics, in particular its objective lens, are arranged here on a rotating body or a turntable, so that indentations can be measured directly by rotation of the rotating body or tur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/42
CPCG01N3/42G01N2203/0078G01N2203/0647
Inventor R·赫尔
Owner ATM QNESS GMBH