0-25 平行平晶

平行平晶是以光波干涉原理为基础，利用平晶的测量面与试件的被测量面之间
所出现的干涉条纹来测量被测量面的误差程度。

平行平晶具有高精度的平面性和平行性。

平行平晶用于检定千分尺、杠杆千分尺、杠杆卡规和千分尺卡规等量具测量面
的平面度和两相对测量的平行度。平行平晶共分四个系列，每个系列各分六组，
每组四块。

功能：平行平晶用于干涉法测量千分尺、卡规和千分表等测量面平面度、
平面平行度。

产品规格：

每组平行平晶共四块，分四个尺寸系列组

测量面上平面度偏差：<0.1μm< span="">
平面度局部偏差： >0.03μm
测量面平行度误差： 组 I 系列允差值：0.06μm
组 II、III 系列允差值：0.08μm
组 IV 系列允差值：0.1μm

组 I，平行平晶，0-25mm，4块/组
组 II，平行平晶，25-50mm，4块/组
组 III，平行平晶，50-75mm，4块/组
组 IV，平行平晶，75-100mm，4块/组

平行平晶尺寸系列表

组号 0-25 25-50 50-75 75-100
1 15.00/15.12 40.00/40.12 65.00/65.12 90.00/90.12
15.25/15.39 40.25/40.37 65.25/65.37 90.25/90.37
2 15.12/15.25 40.12/40.25 65.12/65.25 90.12/90.25
15.37/15.50 40.37/40.50 65.37/65.50 90.37/90.50
3 15.25/15.37 40.25/40.37 65.25/65.37 90.25/90.37
15.50/15.62 40.50/40.62 65.50/65.62 90.50/90.62
4 15.37/15.50 40.37/40.50 65.37/65.50 90.37/90.50
15.62/15.75 40.62/40.75 65.62/65.75 90.62/90.75
5 15.50/15.62 40.50/40.62 65.50/65.62 90.50/90.62
15.75/15.87 40.75/40.87 65.75/65.87 90.75/90.87
6 15.62/15.75 40.62/40.75 65.62/65.75 90.62/90.75
15.87/16.00 40.87/41.00 65.87/66.00 90.87/91.00

组别,1号系列(mm),2号系列(mm),3号系列(mm),4号系列(mm),5号系列(mm),6号系列(mm)
组I(0-25),15.00/15.12/15.25/15.39,15.12/15.25/15.37/15.50,
15.25/15.37/15.50/15.62,15.37/15.50/15.62/15.75,
15.50/15.62/15.75/15.87,15.62/15.75/15.87/16.00
组II(25-50),40.00/40.12/40.25/40.37,40.12/40.25/40.37/40.50,
40.25/40.37/40.50/40.62,40.37/40.50/40.62/40.75,
40.50/40.62/40.75/40.87,40.62/40.75/40.87/41.00
组III(50-75),65.00/65.12/65.25/65.37,65.12/65.25/65.37/65.50,
65.25/65.37/65.50/65.62,65.37/65.50/65.62/65.75,
65.50/65.62/65.75/65.87,65.62/65.75/65.87/66.00
组IV(75-100),90.00/90.12/90.25/90.37,90.12/90.25/90.37/90.50,
90.25/90.37/90.50/90.62,90.37/90.50/90.62/90.75,
90.50/90.62/90.75/90.87,90.62/90.75/90.87/91.00