这个尺寸该怎么算
新人求问，此锥度不知道怎么计算是下方这个图，不是上方那个图。上传多了一个 那把他相成一个方程锥度几比几等于几比X 求X就可以了 如图 你就1/20=10/X求X就好了 等于200 本帖最后由 UG494 于 2019-3-14 00:26 编辑
tanA＝1/20
A＝arctan(1/20)
两线夹角＝(arctan0.05) 锥度符号画反了。锥度1:20的含义是，沿着长度的方向走20个单位，直径变化1个单位（缩小或增大）。 嘻嘻，冒个泡 小杰QAQ 发表于 2019-3-13 22:11
那把他相成一个方程锥度几比几等于几比X 求X就可以了 如图 你就1/20=10/X求X就好了 等于200
那就是这个腰的长度为200是吧但是那个锥度该怎么算呢 yefeng219 发表于 2019-3-14 09:12
锥度符号画反了。锥度1:20的含义是，沿着长度的方向走20个单位，直径变化1个单位（缩小或增大）。
这个的话可以理解，就是这道题的公式该怎么算 UG494 发表于 2019-3-13 23:29
tanA＝1/20
A＝arctan(1/20)
两线夹角＝(arctan0.05)
就锥度为0.05呗？ 1364344867 发表于 2019-3-14 09:34
就锥度为0.05呗？
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arctan(0.5/20)=arctan(0.025)
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