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玻璃线纹尺是用玻璃制成的、表面上准确地刻有等间距平行线的长度测量和定位元件，也称刻线尺。线纹尺的线条间距一般为1毫线纹尺可分为基准线纹尺、标准线纹尺和工作线纹尺。
基准线纹尺和标准线纹尺用于长度计量的量值传递。
工作线纹尺用于比长仪、测长机、万能工具显微镜、万能测量机等长度测量工具中作为测量元件；在坐标镗床、坐标磨床等精密机床中作为定位元件线纹尺用于测量或定位时,要和读数显微镜、光学读数头或光电显微镜等配套使用。
规格型号 | 长（mm） | 宽（mm） | 厚（mm） | 分格值 | 精度(μm) |
ＹＰL050—0050 | 80 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 1 |
ＹＰL050－0100 | 150 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 1 |
ＹＰL050－0200 | 250 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 1 |
ＹＰL050－0300 | 350 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 1 |
ＹＰL050－0400 | 450 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 1 |
ＹＰL050－0500 | 550 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 1 |
ＹＰL050－0600 | 650 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 3 |
ＹＰL050－0700 | 750 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 3 |
ＹＰL050－0800 | 850 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 5-8 |
ＹＰL050－1000 | 1050 | 30 | 10 | 1mm,0.5mm,0.1mm,0.05mm,0.02mm | 5-10 |
以上规格为常用规格，其他型号欢迎定做。
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