(1) The measurement datum of straightness error can be chosen arbitrarily, and the evaluation datum should conform to the principle of minimum condition. That is to say, when measuring the accuracy of the guideway, the actual outline of the guideway must contain two parallel ideal lines and minimize the distance height between the ideal lines. The distance between the two ideal lines is called the inclusive line of the guideway, which is the straightness error of the measured guideway.

　　導軌絲杠

　　Guide screw

　　(2)無論評價基準如何轉換，發明獎的計量方向不變的原則。這一原則是反映在測量方向測量讀數應該垂直于測量基準,使用坐標測量,包含兩行之間的距離不應由于評估基準轉換,導致小評價基準之間的傾斜和改變方向。

　　(2) No matter how the evaluation benchmark is changed, the measurement direction of the invention award remains unchanged. This principle is reflected in the measurement direction reading should be perpendicular to the measurement datum. Using coordinate measurement, the distance between two rows should not lead to the tilt and direction change between small evaluation datum due to the conversion of evaluation datum.

　　導軌絲杠

　　Guide screw

　　(3)導軌后只用幾個相同音高的齒輪,其支持點端到端連接的幫助下一個特殊的橋梁板或其他精密角度測量儀,并沿著測量方向,分別測量傾角的零位選中每個齒輪相對于級別(測量基準是水平線)。這可以轉換為相鄰高度之間的差值。等間距有限點相對高差的綜合結果反映了被測導軌的曲線起伏。

　　(3) Only a few gears of the same pitch are used behind the guide rail, which supports end-to-end connection of points to help the next special bridge plate or other precision angle measuring instrument, and along the measuring direction, the zero position for measuring the inclination angle is selected for each gear relative to the level (the measuring datum is a horizontal line). This can be converted to the difference between adjacent heights. The comprehensive results of relative height difference between finite points with equal spacing reflect the curve fluctuation of the guideway under test.

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　　The above is the relevant content of the guide screw manufacturer for you. For more information, please visit the website: http://www.zhzdh888.com.