Notch sample preparation equipment and notch sample preparation method

A technique of incision, device

Pending Publication Date: 2019-05-28
GUANGZHOU SPECIAL PRESSURE EQUIP INSPECTION & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a notch sample preparation equipment and a notch sample preparation method for how to improve the precision of notch sample preparation

Method used

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  • Notch sample preparation equipment and notch sample preparation method
  • Notch sample preparation equipment and notch sample preparation method
  • Notch sample preparation equipment and notch sample preparation method

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Embodiment Construction

[0045] In order to make the above objectives, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, many specific details are explained in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific implementation disclosed below.

[0046] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other ele...

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Abstract

The invention relates to notch sample preparation equipment and a notch sample preparation method. The notch sample preparation equipment comprises a clamping device, a cutting moving device, a cutting knife, a control device and a measuring device. The clamping device is used for clamping and fixing a pipe. The cutting knife is used for cutting the pipe. The cutting moving device is connected with the cutting knife and used for driving the cutting knife to move. The measuring device is mounted on the cutting moving device and used for acquiring position parameters and structure parameters ofthe pipe. The control device is electrically connected with the measuring device and the cutting moving device and used for generating a cutting process according to the preset cutting depth and cutting length and in combination with the position parameters and the structure parameters, and meanwhile controlling the cutting moving device according to the cutting process in order to enable the cutting moving device to drive the cutting knife to cut the pipe. Thus, full-automatic notch sample preparation of the pipe is achieved, cutting errors caused by manual operation are avoided, and the precision and stability of notch sample preparation of the pipe are improved.

Description

Technical field [0001] The invention relates to the technical field of pipe processing, in particular to an incision sample preparation device and an incision sample preparation method. Background technique [0002] PE (polyethylene) pipes have gradually replaced steel pipes due to their strong corrosion resistance, good mechanical properties, long service life and environmental protection, and are widely used in urban water supply and drainage, gas and other pipeline systems. However, the pipes are affected by external factors such as temperature, pressure and point load during production, transportation and construction, which easily cause slow crack growth of pipes, and slow crack growth is the most important failure mode affecting the use of PE pipes. Therefore, it is very important to evaluate the slow crack growth resistance of PE pipes in pipe manufacturing. [0003] The notched tube test (NPT) is one of the commonly used methods to evaluate the slow crack growth resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26D1/06B26D5/00B26D5/08B26D7/01B26D7/06B26D7/24B26D7/27B26D7/26G01N1/04G01N1/28
Inventor 杨波李悦笪菁王志刚翟伟黄国家张双红文芳郭华超李爽伍振凌徐青永
Owner GUANGZHOU SPECIAL PRESSURE EQUIP INSPECTION & RES INST
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