A test method and test device for scale breaking test of strip steel

The technology of a test device and test method is applied in the direction of applying repeated force/pulsation force to test the strength of materials, etc., which can solve the problems of lack of special test equipment for scale breaking process, achieve simple structure, reliable operation, and improve pickling speed effect

Active Publication Date: 2017-06-06
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, the evaluation of the corresponding relationship between tension leveling parameters and strip pickling time is still in the exploratory stage, and there is no special test method and special test equipment for the scale breaking process

Method used

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  • A test method and test device for scale breaking test of strip steel
  • A test method and test device for scale breaking test of strip steel
  • A test method and test device for scale breaking test of strip steel

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Embodiment Construction

[0054] The present invention will be further described below in conjunction with the accompanying drawings.

[0055] figure 1 Among them, the tensile leveling scale breaking test device is based on the common tension leveling scale breaking machine in the acid rolling mill of the iron and steel production enterprise, and is designed according to its working principle and the principle of "easy to test". In order to achieve the expected scale-breaking effect, the key parts of the test device (mainly referring to the size of the parts of each roller), the material and the relevant installation positions are consistent with the actual production equipment, and the tension control method and the pulling and straightening movement method has been redesigned.

[0056] The test principle of this test device is that a fixed first strip clamp 1 is set at one end of the test frame (not shown), and a second strip steel movable along the frame is set at the other end of the test frame. ...

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Abstract

A strip steel withdrawal straightening and scale breaking test method and a test apparatus thereof belong to the field of metal processing. The apparatus is provided with a test frame, and the test frame is provided with a first strip clamp and a second strip clamp; the apparatus is also provided with a roll group platform, and the roll group platform is provided with a first tension roll, a scale breaking roll, a supporting roll and a second tension roll; a first oil cylinder drives the second strip clamp to provide stretching tension for strip steel; a second oil cylinder drives the scale breaking roll to press the strip steel; a third oil cylinder drives the roll group platform to reciprocate; and a strip steel fixing and roll group platform moving mode is adopted to realize the relative movement between the strip steel and each of the rolls and stimulate the practical work process of withdrawal straightening and scale breaking. The method and the apparatus can be used for reaching the influences of the change of withdrawal straightening technological parameters on the scale breaking effect, relationships between the withdrawal straightening technological parameters and the strip steel pickling time, are of great significance to improve the pickling rate, ensure the quality of cold rolled steel sheets and reduce the industrial energy consumption, and can be used in the test field of technological parameters of strip steel surface scale removal.

Description

technical field [0001] The invention belongs to the field of non-cutting processing of strip steel, and in particular relates to a test method and a test device for process parameters of strip steel surface descaling treatment. Background technique [0002] With economic development and technological progress, domestic and foreign markets have higher and higher quality requirements for cold-rolled sheets (also known as cold-rolled steel sheets, commonly known as strips), so how to take measures in each process to improve the quality of strips , has become a top priority for cold rolling mills. [0003] Tension leveling and scale breaking are an important link in the turbulent pickling process of strip steel. The effect of tension leveling plays an important role in improving the pickling rate. [0004] The oxide scale on the surface of the hot-rolled strip steel is mainly a kind of iron oxide, which is much more brittle than the strip steel substrate. Therefore, the scale c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/36
Inventor 王欣郑涛王英杰王康健
Owner BAOSHAN IRON & STEEL CO LTD
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