游标卡尺的使用方法是怎样的?

2025-03-16 09:28:04
推荐回答(3个)
回答1:

1、长度、宽度、外径等尺寸的测量

将被测物体一个端面与卡尺的固定测量爪刀口贴实,再移另一个测量爪,使刀口与被测物体另一个端面贴实,不可倾斜,再旋紧固定螺栓进行读数,同一位置应连续三次,取其平均值。

要点:测量外面的尺寸时,应当用卡尺外测量爪外部进行测量。

2、内径的测量

将卡尺测量爪放进被测物体孔内,将卡尺的固定爪刀口号孔偶而贴实,不可倾斜。移动另一测量爪,在直径左右处轻微滑动,找出最大测量值,再旋紧固定螺栓进行读数,在不同位置连续测量三次,取平均值。

要点:测内径时,注意把内测量爪插入内径孔直径。

3、柱子高、孔深的测量

将卡尺深度头侧面紧贴柱子侧表面,头部与柱子基准面贴实,移动游标尺,使卡尺尾声与柱子顶面贴实,再旋紧固定螺栓进行读数,同一位置连续测三次,取平均值,孔深的测量方法同上,但应是在孔放得下深度前提下。

要点:螺丝也是这样测。

扩展资料:

游标卡尺读数需注意的几个细节:

卡尺精确度d=1/n(n是标尺的等分刻度数),单位是mm

主尺读数a,以标尺的0刻线为准,读出主尺的整毫米数

标尺读数b=m×精确度,单位是毫米,m是与主尺上的某一条刻度线对齐的标尺刻度

测量结果l=a+b(a、b单位要统一),注意题目所要求的最终单位,运算过程数值末尾的0要保留。

参考资料来源:百度百科——游标卡尺

回答2:

回答3:

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