标准螺纹量规由一组相互精密配合的螺纹环规和螺纹塞规组成,此外 被制作成接近于螺纹的基准尺寸,这种量规主要在直接于产品的螺纹镶 嵌中使用。定期检查的时候是和塞规镶嵌为一对,能够检查螺纹环规的 磨损程度。和产品螺纹的全长,轻松地拧进到极限的时候是松弛的而不 是紧嵌合的话,说明被制作的螺纹就是粗糙的、不合格的。另外,量规 的磨损严重的话,即使与量规完 全吻合的螺丝与螺帽也会出现咬不紧的 情况,请充分注意量规的管理。 A standard thread gauge is comprised of a precisely connected pair of thread plug gauges.Unlike the limit system gauges,it is an accurately manufactured gauge to fit into the thread's basic angle so it passes when the thread ring gauge and the thread plug gauge go through the thread of workpiece.Use the limit thread gauge when precise fitting of the product is needed. |