Schmidt-corrector

Taking the fabrication of thin Schmidt corrector,for example,technicians adopt the traditional surface adhesive method to fix the workpiece in lapping.

以加工薄施密特校正板(厚径比小于1/40)为例,用传统的上盘粘接固定工件进行加工,工件在下盘前的面形精度较好,但下盘后产生的变形使其面形精度下降,不能满足要求。