测量器具的使用方法培训资料.ppt

品保处 2014 年9月 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. ?量具的选择; ?常见量具的使用?常见量具的注意事项?常见量具的维护保养 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 一、量具的选择?根据工件的尺寸大小和要求确定量具的规格,包括测量范围、分度值等。?根据工件的尺寸公差选择量具,工件公差小,量具的精度要高,公差大,精度要求应低。 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 二、几种常用量具的使用方法 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 一、钢直尺、塞尺(1) 、钢直尺是最简单的长度量具,它的长度有 150 , 300 , 500 和 1000 mm 四种规格钢直尺用于测量零件的长度尺寸,它的测量结果不太准确。钢直尺直接去测量零件的直径尺寸(轴径或孔径),则测量精度更差。 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. (2)塞尺塞尺又称厚薄规或间隙片。主要用来检主要用来检验两个结合面之间的间隙大小。验两个结合面之间的间隙大小。塞尺是由许多层厚薄不一的薄钢片组成,按照塞尺的组别制成一把一把的塞尺,每把塞尺中的每片具有两个平行的测量平面,且都有厚度标记, 以供组合使用。 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 塞尺的使用测量时,根据结合面间隙的大小,用一片或数片重迭在一起塞进间隙内。例如用 的一片能插入间隙,而 的一片不能插入间隙,这说明间隙在 ~ 之间,所以塞尺也是一种界限量规。检验机床尾座紧固面的间隙( < )。 Evaluation only. Evaluation only. Created with