Combined template for high-speed heavy rail roller pass precision detection

The utility model discloses a high-speed heavy rail roller pass precision detection combined sample plate, which belongs to the technical field of machining precision measurement and comprises a coarse positioning sample plate I, a fine positioning sample plate I and a measuring sample plate group. Through the design that the positioning sample plate is combined with the measuring sample plate, in the machining process of the heavy rail roller pass, the pass process quality can be detected, the machining size precision and the position precision of the heavy rail roller pass can be guaranteed, and the heavy rail rolling production quality and efficiency are improved. 本实用新型公开了一种高速重轨轧辊孔型精度检测组合样板，属于加工精度测量技术领域，该一种高速重轨轧辊孔型精度检测组合样板，包括粗定位样板一、精定位样板一和测量样板组。通过设计由定位样板组合测量样板，在重轨轧辊孔型的加工过程中，能够对孔型过程质量的检测，保证其加工尺寸精度和位置精度，提高重轨轧制生产质量与效率。