请问游标卡尺和千分卡尺是同一个测量仪器吗?

2025-03-04 22:32:20
推荐回答(5个)
回答1:

游标卡尺是工业上常用的测量长度的仪器,它由尺身及能在尺身上滑动的游标组成,如图2.3-1所示。若从背面看,游标是一个整体。游标与尺身之间有一弹簧片(图中未能画出),利用弹簧片的弹力使游标与尺身靠紧。游标上部有一紧固螺钉,可将游标固定在尺身上的任意位置。尺身和游标都有量爪,利用内测量爪可以测量槽的宽度和管的内径,利用外测量爪可以测量零件的厚度和管的外径。深度尺与游标尺连在一起,可以测槽和筒的深度。
尺身和游标尺上面都有刻度。以准确到0.1毫米的游标卡尺为例,尺身上的最小分度是1毫米,游标尺上有10个小的等分刻度,总长9毫米,每一分度为0.9毫米,比主尺上的最小分度相差0.1毫米。量爪并拢时尺身和游标的零刻度线对齐,它们的第一条刻度线相差0.1毫米,第二条刻度线相差0.2毫米,……,第10条刻度线相差1毫米,即游标的第10条刻度线恰好与主尺的9毫米刻度线对齐。
当量爪间所量物体的线度为0.1毫米时,游标尺向右应移动0.1毫米。这时它的第一条刻度线恰好与尺身的1毫米刻度线对齐。同样当游标的第五条刻度线跟尺身的5毫米刻度线对齐时,说明两量爪之间有0.5毫米的宽度,……,依此类推。

千分卡尺应为千分尺

长度测量工具 。又称螺旋测微仪、分厘卡。分为机械式千分尺和电子千分尺两类。①机械式千分尺。简称千分尺,是利用精密螺纹副原理测长的手携式通用长度测量工具。1848年,法国的J.L.帕尔默取得外径千分尺的专利 。1869年,美国的J.R.布朗和L.夏普等将外径千分尺制成商品,用于测量金属线外径和板材厚度。千分尺的品种很多。改变千分尺测量面形状和尺架等就可以制成不同用途的千分尺,如用于测量内径、螺纹中径、齿轮公法线或深度等的千分尺。②电子千分尺。也叫数显千分尺,测量系统中应用了光栅测长技术和集成电路等。电子千分尺是20世纪70年代中期出现的,用于外径测量。
一、千分尺特点
1) 测量精度比游标卡尺更高;
规格种类繁多、制造难度大。
二、千分尺结构
如图所示为外径分度千分尺,其结构主要由固定套筒2、尺架1、微分筒9、测微螺杆6以及测力棘轮13等构成。
三、千分尺原理
外径千分尺的刻线原理:活动套筒旋转360度,在轴向上移动0.5毫米。把活动套筒等分为50小格,每小格为: 0.5/50=0.01毫米,其最小测量精度为0.01毫米。
四、千分尺读数
千分尺读数步骤如下:
(1)读出活动套筒左边端面线在固定套筒上的刻度;
(2)把活动套筒上其中一条刻度线与固定套筒上零基准线对齐,读出刻度;
(3)把以上两个刻度的读数相加。

你可以到百度图片中查看相关图

回答2:

不是同一种
千分尺比游标卡尺精度更高一点

回答3:

你好!
不是
打字不易,采纳哦!

回答4:

http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%D3%CE%B1%EA%BF%A8%B3%DF&in=10367&cl=2&cm=1&sc=0&lm=-1&pn=11&rn=1&di=2174474136&ln=2000 http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%C7%A7%B7%D6%B3%DF&in=16008&cl=2&cm=1&sc=0&lm=-1&pn=0&rn=1&di=567401020&ln=2000

回答5:

测量范围编号读数值示值误差最大测速
接收的二进制数不是二进制补码,直接用就可以。2.卡尺发送的二进制数遵循先送低位再送高位的原则。3.只用每组数的第二次发送的二进制24bit。4.每组第二次发送的24bit的二进制数,从首到尾共6个字节。第5和第6个字节估计为隔离位,即不是全0就是全1(在以前的测试中出现过全1的情况)5.将前4个字节的二进制数调整高低位后,换成十进制数,乘以0.001235后就是相应的毫米结果。6.下面以实际数字说明:0.00mm组一:第二次发送的数据:101000000000000000000000低高低高数据低位数据高位隔离位(无用数据)a000即发送的十六进制数据为:0x000a

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