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实用新型
CN204747078U 重轨轨头顶部圆弧半径检查样板 有权

重轨轨头顶部圆弧半径检查样板
摘要：
本实用新型公开了一种重轨轨头顶部圆弧半径检查样板，尤其是一种应用于钢轨产品检测领域的重轨轨头顶部圆弧半径检查样板。本实用新型提供一种可以在热轧轧制过程中随时检查重轨轨头圆弧尺寸，显著提高轨头产品质量的重轨轨头顶部圆弧半径检查样板，包括一个内切五边形的样板主体，所述样板主体的边上设置有向样板主体中心凹陷的检测圆弧。内切五边形所对应的外接圆的半径为50mm,所述样板主体五条边的检测圆弧的半径分别为150mm、250mm、350mm、450mm、550mm。采用本申请的重轨轨头顶部圆弧半径检查样板在热轧轧制过程中随时检查重轨轨头圆弧尺寸，控制轧辊孔型磨损后，轨头圆弧尺寸仍在一定尺寸范围内。
摘要（英）：

The utility model discloses a heavy rail railhead top the arc RADIUS inspects model, especially a heavy rail railhead top the arc RADIUS inspects model who is applied to rail product detection area. The utility model provides a heavy rail railhead circular arc size can be checked at any time in hot rolling the rolling process, the heavy rail railhead top the arc RADIUS inspects model who improves railhead product quality is being shown, including the pentagonal model main part of inscribe, the edge of model main part is provided with to the sunken measuring circular arc in model main part center. The radius of the circumscribed circle that the inscribe pentagon corresponds is 50mm, the radius of the detection circular arc on five limits of model main part is 150mm, 250mm, 350mm, 450mm, 550mm respectively. The heavy rail railhead top the arc RADIUS inspects model who adopts this application checks heavy rail railhead circular arc size at any time in hot rolling the rolling process, control roll pass wearing and tearing back, and railhead circular arc size is still in certain range of size.

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