汽车天窗密封条铝骨架质量评价数据

汽车密封条主要由金属骨架以及包覆在金属骨架上的橡胶组成，金属骨架主要起到支撑作用，保持橡胶的形状，确保密封条安装后的安全性和密封性。金属骨架的力学性能是保证密封条机械性能的重要参数之一，力学性能不足的金属骨架密封条容易在生产、运输、安装、使用等过程中极易发生断裂等损坏。金属骨架的力学性能通常通过抗拉强度和断裂伸长率来体现。本数据主要用于监测本公司内部生产及流通领域密封条金属骨架质量情况，通过检测数据并经计算后可以判断密封条中金属骨架的力学性能是否符合国家汽车行业及客户技术要求的质量标准，避免因产品力学性能不足导致的产品质量问题。1、样品采集：根据GB/T 228.1-2021 附录E的技术要求制取标准试样，用测厚仪和游标卡尺分别测出待测样条的原始厚度和原始宽度，并画出两条间隔50mm±0.5mm的原始标距； 2、样品测试：将试样对称地夹在拉力试验机的上、下夹持器上，使拉力均匀地分布在待测样条的横截面上，拉伸速度设置为10mm/min，点击触控面板上的"开始"按钮进行测试 ； 3．数据采集：每组样品测试完成之后采集该样品的位移（mm）和力（kN）；4、数据计算：位移÷原始标距×100%=断裂伸长率（%）；力×1000÷（原始厚度×原始宽度）=抗拉强度（MPa）；5、根据该样品的技术要求，抗拉强度最大值≥200MPa，且断裂伸长率最大值≥6%即记为合格品，任一参数不满足技术要求即记为不合格品，用于作出该材料力学性能是否合格的判定依据。

Automotive weatherstrips are primarily composed of a metal skeleton and rubber coated thereon. The metal skeleton serves a core supporting function, maintaining the shape of the rubber and ensuring the safety and sealing performance of the installed weatherstrip. The mechanical properties of the metal skeleton are critical parameters guaranteeing the overall mechanical performance of the weatherstrip. Weatherstrip products with metal skeletons of insufficient mechanical properties are highly susceptible to fractures and other damages during production, transportation, installation, and usage stages. The mechanical properties of the metal skeleton are typically characterized by tensile strength and elongation at break. This dataset is mainly used to monitor the quality of metal skeletons in weatherstrips during the company's internal production and circulation processes. Through collected test data and subsequent calculations, it can be determined whether the mechanical properties of the metal skeleton in the weatherstrip meet the quality standards stipulated by the national automotive industry and customer technical requirements, thereby avoiding product quality issues caused by insufficient mechanical properties of the products. 1. Sample Collection: Fabricate standard test specimens in accordance with the technical requirements specified in Appendix E of GB/T 228.1-2021. Use a thickness gauge and vernier caliper to measure the original thickness and original width of the test strip respectively, and draw two gauge marks with an interval of 50mm±0.5mm to define the original gauge length. 2. Sample Testing: Clamp the specimen symmetrically onto the upper and lower grips of the tensile testing machine, ensuring that the tensile force is uniformly distributed across the cross-section of the test strip. Set the tensile speed to 10mm/min, then click the "Start" button on the touch panel to initiate the test. 3. Data Acquisition: Collect the displacement (in mm) and force (in kN) of each sample upon completion of the test. 4. Data Calculation: Elongation at break (%) = (Displacement / Original Gauge Length) × 100%; Tensile Strength (MPa) = (Force × 1000) / (Original Thickness × Original Width). 5. Qualification Judgment: Based on the technical requirements of the sample, a product is classified as qualified only if both the maximum tensile strength ≥ 200MPa AND the maximum elongation at break ≥ 6%. If either parameter fails to meet the specified technical requirements, the product is deemed unqualified. This serves as the basis for judging whether the mechanical properties of the material meet the standards.

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数据集介绍

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该数据集包含1093条记录，每年更新，主要用于监测汽车天窗密封条铝骨架的质量情况，通过抗拉强度和断裂伸长率等指标评估其力学性能是否符合标准。数据来源于浙江仙通橡塑股份有限公司，已通过浙江省知识产权区块链公共存证平台存证。