Working principle and method of digital circular beater

The State Food and Drug Administration has clearly defined the testing requirements for ampoules in the standards YBB00332002 and YBB00322005, which are part of the 2002 edition of the "Compilation of Standards for Packaging Materials and Containers for Direct Contact with Drugs." In these guidelines, the measurement of circular runout is based on the method specified in GB2637-1995. This test is essential to ensure the quality and consistency of ampoules used in pharmaceutical packaging. Ampoules are one of the most commonly used containers for liquid medications, and they are typically made from low borosilicate, neutral borosilicate, or high borosilicate glass. While low borosilicate ampoules are widely used due to their cost-effectiveness, they may not be suitable for acidic or alkaline drugs. Neutral borosilicate ampoules, on the other hand, offer better resistance to chemical corrosion, making them more appropriate for sensitive formulations. Regardless of the material, the circular runout of the ampoule must be measured to ensure proper alignment and functionality during use. Circular runout refers to the maximum variation in the outer diameter of the ampoule when it is rotated around its axis. This measurement is critical to avoid issues such as improper sealing, leakage, or damage during handling. According to the standard, the allowable circular runout varies depending on the size of the ampoule. The following table provides the acceptable limits: Excessive deviation in circular runout can lead to a range of problems, including aesthetic defects, wasted medication, contamination of production areas, and even failure of the production line. Therefore, manufacturers must strictly control the quality of ampoules to meet national standards. It is recommended to use a digital circular beater with an accuracy of 0.01mm. The YTD-80 model produced by Jinan Sanquan Zhongshi Experimental Instrument Co., Ltd. offers a resolution of 0.001mm, ensuring precise measurements. The testing principle involves fixing the ampoule on a rotating platform, with the neck of the ampoule contacting a dial gauge. As the ampoule rotates 360 degrees, the maximum and minimum readings are recorded, and the difference between them gives the circular runout value. The instrument uses a three-jaw self-centering chuck for high concentricity, along with adjustable brackets that allow for flexible positioning. This design enables accurate measurement of not only ampoules but also vials, infusion bottles, and small containers. In addition to circular runout, ampoules must also be tested for breaking force, internal stress, and wall thickness. These tests are crucial to ensure the structural integrity and safety of the product. If you have any further questions or need assistance with testing equipment, feel free to contact us. For more information, please call: Mei at 0531-6781 303, 615, 666, 775, 359 Website: http://news.chinawj.com.cn Editor: Hardware Business Network Information Center http://news.chinawj.com.cn

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