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Application Research of Ultrasonic Nondestructive Testing (UT) on Large Castings of Rotary Kiln
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| Tianjin Cement Industry Design & Research Institute Co., Ltd. |
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Abstract In the manufacturing process, large castings (such as belts and large ring gears) on the rotary kiln usually used Ultrasonic Non-destructive Testing (UT) to inspect the internal quality of the casting. However, large castings with acceptable UT inspection still have 3% cracking failure during running. In response to this problem, the quality control plan was revised, the casting modeling process was reviewed, the quality of the casting was ensured from the source, the UT detection method was improved, and the defects that did not exceed the standard were evaluated to avoid the occurrence of small probability cracking events of large castings with acceptable quality.
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Received: 08 January 2019
Published: 29 May 2019
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