专利摘要显示，本实用新型涉及 PI 薄膜生产检测技术领域，且公开了用于 PI 薄膜生产检测用定位夹具，包括底板，所述底板的顶部固定安装有 C 型框，所述 C 型框的内部顶端与底端均固定安装有气缸，所述气缸的另一端固定安装有 L 型板，所述 L 型板的表面开设有矩形槽，所述矩形槽的内部活动安装有螺纹杆。本实用新型通过螺纹杆能够确保夹板在定位 PI 薄膜时达到较高的精度，减少因定位不准确而产生的测试误差，同时通过螺纹杆的缓慢、平稳移动，可以确保 PI 薄膜在测试前处于稳定的状态，避免因外力冲击或振动导致的测试不准确，并且此装置可以适应不同规格和厚度的 PI 薄膜的拉伸强度测试，从而具有适应性强，适用范围广的特点。
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