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du zhe xin xiang
Pages: 46-48
Year: Issue:  3
Journal: Optical Technique

Keyword:  球面半径油层厚度双凹透镜顺时针转动标准球重要手段零件夹具反射象端面;
Abstract: <正> 答读者1.什么叫擦贴度?它的大小与什么因素有关?答:试擦贴度是判断两球面半径接近程度的重要手段,若需判断某球面半径与另一标准球面半径的接近程度,可先在标准球面上薄薄地涂上一层油,如图1所示,设ab=δ为油层厚度,令零件与标准球面擦贴,显见,只是
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