JJF 1175-2007 实验筛校准规范.pdf

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1、中华人民共和国国家计量技术规范JJF11752007试验筛校准规范 Calibration Specification for Test Sieves2007-02-28发布2007-05-28实施国家质量监督检验检疫总局发布JF11752007试验筛校准规范JJF11752007 Calibration Specification for Test Sieves本规范经国家质量监督检验检疫总局2007年2月28日批准,并自2007年5月28日起施行。归口单位:全国几何量工程参量计量技术委员会主要起草单位:黑龙江省计量检定测试院陕西省计量科学研究院参加起草单位:河北省计量科学研究院河南省计量测

2、试研究院福建省计量科学技术研究所本规范由归口单位负责解释JF1175-2007本规范主要起草人:张黎平(黑龙江省计量检定测试院)张磊(陕西省计量科学研究院)梁玉红(黑龙江省计量检定测试院)参加起草人:王少平(河北省计量科学研究院)贾晓杰(河南省计量测试研究院)廖宜水(福建省计量科学技术研究所)王晓亮(黑龙江省计量检定测试院)单口单草单草磁jJF11752007目录1范围(12引用文献(1)3术语和定(13.1筛分(13.2筛分粒度分析(1)4概(15计量特性(1)5.1金属丝编织网试验(1)5.2金属穿孔板试验筛(7)6校准条件9)6.1环境条(96.2被校试验筛应具备的条件(96.3校准用设

3、备(9)7校准项目和校准方法(9)7.1金属丝编织网试验筛网孔尺寸的校准(7.2金属穿孔板试验筛筛孔尺寸的校准(10)8校准结果表达(10)9复校时间(10)附录A金属丝编织网试验筛筛孔尺寸测量结果的不确定度分析(11)附录B金属穿孔板试验筛筛孔尺寸测量结果的不定度分析(13)附录C校准证书内容(15)JJF11752007试验筛校准规范1范围本规范适用于尺寸为(0.020125)mm的金属丝编织网、(1125)mm的金属穿孔板试验筛的校准。2引用文献本规范引用以下文献:JJF10011998通用计量术语及定义JJF10591999测量不确定度评定与表示JJF10942002测量仪器特性评定技

4、术规范JJF11302005几何量测量设备校准中的不确定度评定指南GB/T53292003试验筛与筛分试验术语GB/T6003.1-1997金属丝编织网试验筛GB/T6003.21997金属穿孔板试验筛GB/T60051997试验筛金属丝编织网穿孔板和电成型薄板筛孔的基本尺寸ISO23951990试验筛与筛分试验术语使用本规范时,应注意使用上述引用文献的现行有效版本。3术语和定义3.1筛分(sieving)用一个或一个以上的筛子将粒度不同的离散颗粒物料按尺寸大小进行分离的过程。3.2筛分粒度分析(size analysis by sieving)通过筛分将样品分成不同粒度级并报出结果。4概述试

5、验筛是用于对颗粒物料作筛分粒度分析的筛具。它广泛应用于地质勘探、冶金、化工、医药、建材、磨料等行业以及科研院所进行粒度分析和筛分试验。成套的试验筛由若干个不同筛孔尺寸的筛子与盖、接料盘组成,如图1所示。金属丝编织网试验筛、金属穿孔板试验筛筛面网孔或筛孔的排列如图2、图3和图4所示。5计量特性5.1金属丝编织网试验筛5.1.1网孔最大尺寸(+X)网孔的最大尺寸偏差见表1。JJF1175200723图1套筛的组成1一盖;2一试验筛;3一接料盘图2网筛编织形式和网孔尺寸的测量w网孔尺寸;d一丝径好好6060卡图3板筛圆孔排列形式和筛孔尺寸测量p一节距;中孔径2jF11752007中中图4板筛方孔排列

6、形式和筛孔尺寸测量p节距;一方孔尺寸5.1.2网孔平均尺Y)网孔平均尺才偏差见表1。5.1.3平均丝径)平均丝径见表1表1网孔尺寸及偏差和金属丝直径 mm网孔基本尺寸网孔尺寸偏差金属丝直径任意网孔最大尺寸偏差平均尺寸偏差中间偏差 +X +Z dmx dmin1254.514.098.09.26.81124.153.293.721063.993.123.551003.822.93.38903.532.6636.37.25.4803.242.3780753.092.22712.10632.295.66.44.8562.491.672.08532.391.581.995.05.84.3502.291

7、.491.89452.121.351.73401.941.201.574.55.23.837.51.851.131.4935.51.781.071.4231.51.630.954.04.63.41.293JJF11752007表1(续) mm网孔基本尺寸网孔尺寸偏差金属丝直径任意网孔最大尺寸偏差平均尺寸偏差中间偏差 +XY +2 d dmx d min281.500.851.1726.51.440.801.12251.380.761.073.554.103.0022.41.270.680.98201.170.610.89191.130.580.85181.080.550.823.153.602

8、.70160.990.490.74140.900.430.6713.20.860.410.642.83.22.412.50.830.390.6111.20.770.350.562.52.92.1100.710.310.519.50.680.300.4990.650.280.472.242.601.9080.600.250.432.02.31.77.10.550.220.386.70.530.210.371.82.11.56.30.510.200.355.60.470.180.325.00.430.160.291.61.91.34.750.410.180.324.500.400.140.271.

9、41.71.24.00.370.130.253.550.340.110.233.350.320.110.221.251.501.063.150.310.100.21JJF1175-2007表1(续) mm网孔基本尺寸网孔尺寸偏差金属丝直径a任意网孔最大尺寸偏差平均尺寸偏差中间偏差 +XY +Z d dmx d min2.80.290.090.191.121.300.952.50.260.080.171.001.150.852.360.250.080.172.240.240.070.150.901.040.772.00.230.070.15.01.80.210.060.141.70.200.06

10、0.130.800.920.681.60.190.050.121.40.180.050.110.710.820.601.250.160.040.100.630.720.541.181.120.150.040.101.00.140.030.00.560.640.480.9000.1310.0310.0810.8500.1270.0290.0780.500.580.430.8000.1220.0280.0750.450.520.380.710.1120.0250.0690.630.1010.0220.0630.400.460.340.6000.1010.0210.0610.560.0960.020

11、0.0580.3550.410.300.50.0890.0180.0540.3150.360.270.4500.0840.0160.0500.4250.0810.280.320.240.0160.0480.4000.0780.0150.0470.250.290.210.3550.0720.0130.0430.2240.260.190.3150.0670.0120.0400.200.230.170.3000.0650.0120.0380.2800.0620.0110.0370.180.210.171175-2007表1(续) mm网孔基本尺寸网孔尺寸偏差金属丝直径任意网孔最大尺寸偏差平均尺寸偏差

12、中间偏差a +XY +Z dmax dmin0.2500.0580.00990.0340.160.190.130.2240.0540.00930.0320.2120.0520.00870.0300.05000.020.140.170.120.2000.1800.0470.0076070.1250.1500.1060.1600440.006900250.1120.1300.0950.1500.0430.00660.02501000.1150.0850.1400.0410.00630.0240.1250.0380.00580.0220.0900.1040.0770.1120.0360.00540.

13、0210800.0920.0680.1060.0350.00520.02000710.0820.0600.1000.0340.0050.0190.090.0320.00460.0180.630.720.540.080.0300.00430.017.560.640.480.0750.0290.00410.0170:0500.0580.0430.0710.0280.0040.0160.0630.0260.00370.0150450.0520.0380.0560.0250.00350.0140.0400.0460.0340.053.0240.00340.0140230.0360.0410.0310.0500.003300130.0450.0220.00310130.0320.0370.0270.0400.0210.0120.0380.0200.00290.0110.0300.0350.0240.0360.0200.00280.0110.0320.0190.00270.0110.0280.0330.0230.0250.0160.00250.0090.0250.0290.0210.0200.0140.00230.0080.0200.0280.017注:z=x+y6