小五金工程评估手册

1、PAGE NUMPAGES 157 NUMPAGES 157 NUMPAGES 157 PAGE 1 PAGE 1小五金工程評估手冊 第 PAGE 80頁 共 57 頁 PAGE 11 目录螺钉 61.1螺纹标志及尺寸 61.1.1米制细牙螺纹 71.1.2米制粗牙螺纹 81.1.3英制细牙螺纹 81.1.4英制粗牙螺纹 91.2通孔孔径101.3攻螺纹孔孔径111.3.1米制细牙螺纹111.3.2米制粗牙螺纹111.3.3英制细牙螺纹121.3.4英制粗牙螺纹131.3.5板材上孔与板边间距13配合尺寸13机械性能13钢板厚度14特殊螺钉15自攻螺钉15硬化层深度15硬度16尺寸16工作扭力

2、17结合比与预冲孔呎寸关系18钢板孔径及抽牙高191.7.2 塑料螺钉201.7.2.1 螺纹形状201.7.2.2 硬度211.7.2.3 螺纹呎寸211.7.3 浮动螺钉211.7.3.1 浮动螺钉形状211.7.3.2 基本要求211.8 螺钉验证方法22资料：23螺钉常见穴型简介23常用板材硬度23电镀层23螺母242.1制造材料242.1.1材料牌号242.1.2材质化学成份242.1.3 机械性能242.1.4 螺母材料的选取242.2尺寸及公差252.2.1型号为“S. SS. CLS以及CLSS”的自铆螺母尺寸252.2.2型号为SP, 专用于不锈钢冲压板件上的自铆螺母尺寸28

3、2.2.3型号为H, HN, HNL之易削钢制自锁和防锁螺母的尺寸302.2.4型号为F的自铆螺母尺寸302.2.5尺寸公差322.3 压铆要求32配合呎寸35螺母验证方法35螺柱363.1制造螺柱材料363.1.1材料牌号363.1.2化学成份363.1.3 机械性能363.1.4 螺柱材料的选取373.2尺寸373.2.1型号为“SO. SON. SOA. SOS. ”的通孔螺柱373.2.1.1一般尺寸383.2.1.2螺纹规格和螺柱长度393.2.2 型号为“BSO.BSON. BSOA.BSOS. ”的盲孔螺柱403.2.2.1一般尺寸403.2.2.2螺纹规格和螺柱长度413.3

4、公差43压铆要求43螺柱验证方法44支柱454.1型号为“SO.SON. SOA.SOS”的通孔支柱454.1.1材料牌号454.1.2材质化学成份454.1.3机械性能454.1.4 螺柱材料的选取464.1.5一般尺寸464.1.6支柱规格和支柱长度474.1.7公差494.2 其它异型支柱494.2.1 制造材料494.2.2尺寸494.2.3 板材厚度及孔径514.3压铆要求514.4 支柱验证方法525.拉钉535.1 拉钉制造材料545.2 尺寸545.3 拉钉验证方法556.弹簧566.1 弹簧制造材料566.2弹簧钢丝呎寸566.2.1制造弹簧用不锈钢钢丝标准直径566.2.2

5、标准钢丝尺寸偏差576.3 弹簧自由长度576.4 弹簧外径D 576.5弹簧的总圈数576.6 弹簧的方向576.7弹簧验证方法57螺钉定义：由头部和螺杆两部份构成的一类紧固件本手册中包括的螺钉主要有机械螺钉、自攻螺钉、塑料螺钉和浮动螺钉等机械螺钉：由头部和螺杆两部份构成的一类金属紧固件主要用于一个带有内螺纹孔的零件与带有通孔的零件之间的紧固联接，不需要螺母配合；也用于带有通孔的零件之间的紧固联接，但要与螺母配合属可拆卸连接自攻螺钉：由头部和螺杆两部份构成的一类金属紧固件，但螺杆上的螺纹为专用的自攻螺钉用螺纹用于紧固联接两个薄的金属构件，使之成为一体，构件上需事先制出小孔这种螺钉具有较高的硬

6、度，可直接旋入构件的孔中，使构件孔中形成相应的内螺纹塑料螺钉：由头部和螺杆两部份构成的一类金属紧固件，但螺杆上的螺纹为专用的塑料螺钉用螺纹可直接旋入塑料件中，用于把一个带通孔的金属(或非金属)零件与一个塑料件紧固联接在一起浮动螺钉：压铆于冲件预制孔内, 用于经常拆装之冲压件的把手螺钉, 其结构特点是螺钉本体内包含弹性体螺纹标志及尺寸(除非特别指明，适用于所有的螺钉、螺母和螺柱)螺纹分为外螺纹和内螺纹两种，一般螺钉为外螺纹形式，螺母或螺柱为内螺纹形式，常用的螺纹如图示H：原始三角形高度 P：螺距D：内螺纹公称直径 d：外螺纹公称直径H1：螺纹牙高D2：内螺纹中径 D1：内螺纹小径d2：外螺纹中径

7、d1：外螺纹小径n为每英寸牙数1.1.1米制细牙螺纹H =0.866025Pd2=d-0.649519PD=dH1=0.541266Pd1=d-1.082532PD2=d2D1=d1单位mm螺纹标志PH1d(D)d2(D2)d1(D1)M1 0.20.20.1081.0000.8700.783M1.10.20.20.1081.1000.9700.883M1.20.20.20.1081.2001.0700.983M1.40.20.20.1081.4001.2701.183M1.60.20.20.1081.6001.4701.383M1.80.20.20.1081.8001.6701.583M2

8、0.250.250.1352.0001.8381.729M2.20.250.250.1352.2002.0381.929M2.50.350.350.1892.5002.2732.121M3 0.350.350.1893.0002.7732.621M3.50.350.350.1893.5003.2733.121M4 0.50.50.2714.0003.6753.459M4.50.50.50.2714.5004.1753.959M5 0.50.50.2715.0004.6754.459M5.50.50.50.2715.0005.1754.959M6 0.750.750.4066.0005.5135

9、.1881.1.2米制粗牙螺纹H =0.866025Pd2=d-0.649519PD=dH1=0.541266Pd1=d-1.082532PD2=d2D1=d1单位mm螺纹标志PH1d(D)d2(D2)d1(D1)M10.250.1351.0000.8380.729M1.10.250.1351.1000.9380.829M1.20.250.1351.2001.0380.929M1.40.30.1621.4001.2051.075M1.60.350.1891.6001.3731.221M1.80.350.1891.8001.5731.421M20.40.2172.0001.7401.567M2.

10、20.450.2442.2001.9081.713M2.50.450.2442.5002.2082.013M30.50.2713.0002.6752.459M3.50.60.3253.5003.1102.850M40.70.3794.0003.5453.242M4.50.750.4064.5004.0133.688M50.80.4335.0004.4804.134M610.5416.0005.3504.9171.1.3英制细牙螺纹 P=25.4nH =0.866025Pd=(d)25.4 D=d H1=0.541266P d2=(d-0.649519/n)25.4 D2=d2d1=(d-1.0

11、82532/n)25.4 D1=d1单位mm螺纹标志(Reference)nPH1d(D)d2(D2)d1(D1)No. 0-80 UNF0.0600-80 UNF800.31750.1721.5241.3181.181No. 1-72 UNF0.0730-72 UNF720.35280.1911.8541.6261.473No. 2-64 UNF0.0860-64 UNF640.39690.2152.1841.9281.755No. 3-56 UNF0.0990-56 UNF560.45360.2462.5152.2202.024No. 4-48 UNF0.1120-48 UNF480.52

12、920.2862.8452.5022.271No. 5-44 UNF0.1250-44 UNF440.57730.3123.1752.7992.550No. 6-40 UNF0.1380-40 UNF400.63500.3443.5053.0942.817No. 8-36 UNF0.1640-36 UNF360.70560.3824.1663.7083.401No. 10-32 UNF0.1900-32 UNF320.79380.4304.8264.3104.967No. 12-28 UNF0.2160-28 UNF280.90710.4915.4864.8974.5031.1.4英制粗牙螺纹

13、P=25.4nH =0.866025Pd=(d)25.4 D=d H1=0.541266P d2=(d-0.649519/n)25.4 D2=d2d1=(d-1.082532/n)25.4D1=d1单位mm螺纹标志(Reference)nPH1d(D)d2(D2)d1(D1)No. 1-64 UNC0.0730-64 UNC640.39690.2151.8541.5981.425No. 2-56 UNC0.0860-56 UNC560.45360.2462.1841.8901.694No. 3-48 UNC0.0990-48 UNC480.52920.2862.5152.1721.941No.

14、 4-40 UNC0.1120-40 UNC400.63500.3442.8452.4332.156No. 5-40 UNC0.1250-40 UNC400.63500.3443.1752.7642.487No. 6-32 UNC0.1380-32 UNC320.79380.4303.5052.9902.647No. 8-32 UNC0.1640-32 UNC320.79380.4304.1663.6503.307No. 10-24 UNC0.1900-24 UNC241.05830.5734.8264.1383.680No. 12-24 UNC0.2160-24 UNC241.05830.5

15、735.4864.7984.3411.2通孔孔径螺钉连接零件上预制之通孔如图示：通孔孔径之尺寸如下表(单位mm)：螺钉公称直径通孔直径(d)mm1级2级3级4级11.11.21.31.21.31.41.51.41.51.61.81.61.71.821.71.822.11.82.02.12.222.22.42.62.22.42.62.82.32.52.72.92.52.72.93.12.62.833.233.23.43.63.53.73.94.244.34.54.85.54.54.855.3655.35.55.86.566.46.677.81.3攻螺纹孔孔径与螺钉相配的螺纹攻丝孔孔径取决于外内螺

16、纹结合比之大小螺纹结合比(%)=(螺钉公称直径-攻丝孔直径)(2螺纹结合高度)100(%)1.3.1米制细牙螺纹(单位mm)螺纹标志公称直径螺纹结合比(%)1009590858075706560M11.0000.780.790.810.820.830.840.850.860.87M1.11.1000.880.890.910.920.930.940.950.960.97M1.21.2000.980.991.011.021.031.041.051.061.07M1.41.4001.181.191.211.221.231.241.251.261.27M1.61.6001.381.391.411.42

17、1.431.441.451.461.47M1.81.8001.581.591.611.621.631.641.651.661.67M22.0001.731.741.761.771.781.801.811.821.84M2.22.2001.931.941.961.971.982.002.012.022.04M2.52.5002.122.142.162.182.202.222.242.252.27M33.0002.622.642.662.682.702.722.742.752.77M3.53.5003.123.143.163.183.203.223.243.253.27M44.0003.463.4

18、93.513.543.573.593.623.653.68M4.54.5003.963.994.014.044.074.094.124.154.18M55.0004.464.494.514.544.574.594.624.654.68M5.55.5004.964.995.015.045.075.095.125.155.18M66.0005.195.235.275.315.355.395.435.475.511.3.2米制粗牙螺纹(单位mm)螺纹标志公称直径1009590858075706560M11.0000.730.740.760.770.780.800.810.820.84M1.11.10

19、00.830.840.860.870.880.900.910.920.94M1.21.2000.930.940.960.970.981.001.011.021.04M1.41.4001.081.091.111.121.141.161.171.191.21M1.61.6001.221.241.261.281.301.321.331.351.37M1.81.8001.421.441.461.481.501.521.531.551.57M22.0001.571.591.611.631.651.681.701.721.74M2.22.2001.711.741.761.791.811.831.861.8

20、81.91M2.52.5002.012.042.062.092.112.132.162.182.21M3*0.53.0002.462.492.512.542.572.592.622.652.68M3.53.5002.852.882.922.952.983.013.053.083.11M4*0.74.0003.243.283.323.363.393.433.473.513.55M4.54.5003.693.733.773.813.853.893.933.974.01M5*0.85.0004.134.184.224.264.314.354.394.444.48M66.0004.924.975.03

21、5.085.135.195.245.305.351.3.3英制细牙螺纹(单位mm)螺纹标志公称直径1009590858075706560No. 0-80 UNF1.5241.181.201.211.231.251.271.281.301.32No. 1-72 UNF1.8541.471.491.511.531.551.571.591.611.62No. 2-64 UNF2.1841.751.781.801.821.841.861.881.901.93No. 3-56 UNF2.5152.022.052.072.102.122.152.172.202.22No. 4-48 UNF2.8452.2

22、72.302.332.362.392.422.442.472.50No. 5-44 UNF3.1752.552.582.612.642.682.712.742.772.80No. 6-40 UNF3.5052.822.852.892.922.962.993.023.063.09No. 8-36 UNF4.1663.403.443.483.523.553.593.633.673.71No. 10-32 UNF4.8263.974.014.054.104.144.184.224.274.31No. 12-28 UNF5.4864.504.554.604.654.704.754.804.854.90

23、1.3.4英制粗牙螺纹(单位mm)螺纹标志公称直径1009590858075706560No. 1-64 UNC1.8541.421.451.471.491.511.531.551.571.60No. 2-56 UNC2.1841.691.721.741.771.791.821.841.861.89No. 3-48 UNC2.5151.941.972.002.032.062.092.112.142.17No. 4-40 UNC2.8452.162.192.232.262.302.332.362.402.43No. 5-40 UNC3.1752.492.522.562.592.632.662.6

24、92.732.76No. 6-32 UNC3.5052.652.692.732.772.822.862.902.952.99No. 8-32 UNC4.1663.313.353.393.443.483.523.563.613.65No. 10-24 UNC4.8263.683.743.793.853.913.974.024.084.14No. 12-24 UNC5.4864.344.404.454.514.574.634.684.744.801.3.5板材上孔与板边间距(对所有螺钉适用)板材上螺纹孔与板边间距如图要求b2t (b为孔与板边的距离，t为板材厚度)1.4 配合尺寸同种规格的螺钉需与

25、同种规格螺纹的螺母或与预攻同规格螺纹孔的钢板配合如对M3的螺钉需与M3的螺母相配合，或者与在钢板上攻出M3的螺纹孔相配合1.5 机械性能(包括材质与热处理)一般用C0.20%的低碳钢制造，拉伸强度要求不小于330MPa；硬度不小于95HV(90HB或52HRB)；屈服强度不小于190MPa；延伸率不小于25%部分螺钉拉力如下表：螺纹标志M1.6M2M2.2M2.5M3M3.5M4M5M6最小拉力(N)4206206801120166022402900469066301.6 钢板厚度(取决于螺钉与内螺纹的结合长度，钢板厚度应大于实际螺纹要求之旋合长度，单位mm)螺纹标志旋合长度M10.61.7M

26、1.10.61.7M1.20.61.7M1.40.72M1.60.82.6M1.80.82.6M21.03M2.21.33.8M2.51.33.8M31.54.5M3.51.75M426M4.52.26.7M52.27.5M639M10.20.51.4M1.10.20.51.4M1.20.20.51.4M1.40.20.51.4M1.60.20.51.5M1.80.20.51.5M20.250.61.9M2.20.250.61.9M2.50.350.82.6M30.3513M3.50.3513M40.51.54.5M4.50.51.54.5M50.51.54.5M5.50.51.54.5M60

27、.752.47.1注：对薄材，钢板厚度至少应大于23个螺距1.7 特殊螺钉1.7.1 自攻螺钉1.7.1.1 硬化层深度一般应进行表面硬化处理表面渗碳或碳氮共渗层深度如下表(单位mm)：螺纹标志硬化层深度MinMax1-64 2-56 3-480.040.104-40 5-40 6-320.050.188-32 10-24 12-240.100.231.7.1.2 硬度表面渗碳或碳氮共渗处理后硬度之一般要求：表面硬度不小于45HRC 或450 HV芯部硬度2640HRC 270390 HV1.7.1.3 尺寸自攻螺钉截面应为弧形三角形，如图(L为导引长度，a为收尾长度)C、D值如下表 (单位i

28、nch)螺纹标志CDMaxMinMaxMin00-900.04810.04610.04590.04390-800.06130.05930.05880.05681-640.07450.07250.07100.06902-560.08750.08400.08400.08053-480.10100.09750.09700.09354-400.11450.11150.10950.10605-400.12750.12400.12250.11906-320.14100.13600.13500.13008-320.16700.16200.16100.156010-240.19400.18900.18500.

29、180010-320.19300.18800.18700.182012-240.22000.21500.21100.2060对螺纹长度大于1/6inch，L应为23个螺距；对螺纹长度小于1/6inch，L应为12个螺距对螺纹收尾长度应小于1个螺距1.7.1.4 工作扭力对不同厚度钢板及预制孔，自攻螺钉之工作扭力如下表(单位 lbfinch)：螺纹标志钢板厚(inch)孔径(inch)攻牙扭力第一次拆卸扭力攻螺纹后安装扭力破坏扭力2-560.04690.07540.5112670.06250.07640.51128100.09380.07950.511211143-480.06250.08761

30、23414150.09380.0897123515160.12500.0907124615184-400.03120.098612238110.06250.1029123415180.09380.10211123422275-400.06250.11112234522290.09380.11318344734410.12500.11620456838466-320.06250.12014344725300.09380.12020356935450.12500.12522466939458-320.09380.1473057101365750.12500.1504547111475850.187

31、50.150458111620759510-240.09380.1723558141865800.12500.1724558141880900.18750.17255913172210011510-320.09380.17335913111480950.12500.1775091312161001200.18750.177701216192511514012-240.12500.196659121924951150.18750.1997591321261351550.25000.20385101421261501701.7.1.5结合比(%)与预冲孔呎寸(单位 inch)关系如表所示：结合比(

32、%)100959085807570656055502-560.07440.07500.07560.07610.07670.07730.07790.07850.07900.07960.08023-480.08550.08610.08680.08750.08820.08880.08950.09020.09090.09160.09224-400.09580.09660.09740.09820.09900.09980.10060.10140.10230.10310.10395-400.10880.10960.11040.11120.11200.11280.11360.11440.11530.11610

33、.11696-320.11770.11870.11970.12070.12180.12280.12380.12480.12580.12680.12788-320.14370.14470.14570.14670.14780.14880.14980.15080.15180.15280.153810-240.16290.16430.16560.16700.16830.16970.17100.17240.17380.17510.176510-320.16970.17070.17170.17270.17380.17480.17580.17680.17780.17880.179812-240.18890.

34、19030.19160.19300.19430.19570.19700.19840.19980.20110.2025对不同的金属材料应选用不同的旋合比，建议选用范围如下：粉末合金或铸铁5065%冷轧钢板6570%铝材7080%金属薄材8095%1.7.1.6钢板孔径及抽牙高不同规格自攻螺钉所需钢板预制孔孔径及抽牙孔高呎寸如下(单位inch)：钢板厚度 T0.020.030.040.060.09螺纹标志抽牙孔孔径D6-320.1180.1200.1180.1210.1190.1220.1200.1230.1220.1258-320.1440.1460.1440.1470.1450.1480.14

35、60.1490.1470.15010-240.1630.1650.1630.1660.1640.1670.1650.1680.1660.17010-320.1700.1720.1700.1730.1710.1740.1720.1750.1730.17612-240.1890.1910.1890.1920.1900.1930.1910.1940.1920.196板厚T (inch)0.0240.0350.0420.0480.0600.0900.1060.122孔径D (inch)HRHRHRHRHRHR0.0810.1000.0400.0050.0400.0050.0400.0060.0430.

36、0100.1010.1300.0470.0050.0470.0050.0470.0060.0520.0100.0540.0100.1310.1500.0530.0050.0530.0050.0530.0060.0600.0100.0630.0100.0720.0130.1510.1800.0600.0050.0600.0060.0700.0100.0750.0100.0870.0130.1810.2200.0700.0050.0700.0060.0900.0100.0950.0100.1040.0130.2210.2600.0750.0060.1000.0100.1050.0100.1200.

37、0130.2610.3000.0830.0060.1160.0100.1250.0100.1400.0130.3010.3400.1300.0100.1400.0100.1640.0130.3410.3800.1400.0100.1550.0100.1700.0130.3810.4300.1500.0100.1700.0100.1840.0131.7.2 塑料螺钉1.7.2.1 螺纹形状1.7.2.2 硬度一般要求硬度范围在3339HRC310370HV(必要时可采用表面渗碳或碳氮共渗处理)1.7.2.3螺纹呎寸(单位mm)公称直径d螺纹小径d1螺距Pb(Max)公称直径d螺纹小径d1螺距Pb

38、(Max)尺寸偏差尺寸偏差1.61.20/-0.250.80.2542.80/-0.401.60.321.40.94.53.20/-0.481.82.51.8153.5232.11.25.53.82.242.50/-0.401.40.3064.22.51.7.3 浮动螺钉1.7.3.1 浮动螺钉形状1.7.3.2 基本要求浮动螺钉铆合后与板材之间隙应在00.35mm1.8 螺钉验证方法螺纹其它呎寸化学成分硬度镀层扭力环规*卡尺或千分尺化学或光谱分析显微硬度计X-Ray膜厚计、盐雾试验扭力计*注：对自攻螺钉用环规测量螺纹有困难时，可仅测试其C值，此时应采用特殊之三棱千分尺，且避过引导区进行资料A

39、螺钉常见穴型简介穴型传递最大扭力比(%)(以六方型为100，同规格螺纹螺钉)图示Torx Plus345Torx314方型276十字型183六方型100B常用板材硬度GI料：牌号C1 5567 HRB；C2 5065 HRB；C3 4053 HRBEG料：4558 HRBCRS料：4556 HRBC电镀层C1在工作环境湿度低于70%的室内条件使用的小五金，镀锌层不小于0.005mm，镀镍层不小于0.010mmC2在城市的室外条件或可产生冷凝作用的室内条件使用的小五金，对镀锌层不小于0.008mm，对镀镍层应不小于0.020mm螺母定义：螺母是带有内螺纹的紧固件,配合带有外螺纹的螺钉,利用内外螺

40、纹连接形式,作紧固连接两个被连接件之用本手册所讨论的是自铆螺母,亦即压铆于冲件预冲孔内, 用于固定或连接其它零件的一类螺母2.1制造材料2.1.1材料牌号一般只用到下列两种材料JIS SUS 303不锈钢和JIS SUM22易削钢2.1.2材质化学成份化学成份材料CMnSiCrNiPS其它SUS3030.152.01.017198100.020.0150.6SUM220.130.71.00.100.350.070.120.240.330.100.352.1.3 机械性能试验规格材料拉伸性能硬度(表面测试)屈服强度(MPa)抗拉强度(MPa)伸长率(%)收缩率(%)HVSUS303196Min5

41、20Min40Min50Min250310SUM22未热处理235 28437246016271322200250渗碳热处理3504002.1.4 螺母材料的选取应根据冲压板材硬度的不同选取不同材质的自铆螺母如下表：自铆螺母型号型号说明材料适合板材硬度SUM22热处理SUS303SUM22未处理预硬SUS30390 HRB80 HRB70 HRB60HRBS用易削钢制造，机械加工后热处理SS为个别规格特别形式SSCLS用不锈钢制造CLSS为个别规格特别形式CLSSH易削钢制，机械加工后热处理之防锁螺母HN易削钢制，机械加工后不热处理之防锁螺母HNL易削钢制，机械加工后不热处理之自锁螺母SP不锈

42、钢制，机械加工后预硬用于不锈钢板2.2尺寸及公差2.2.1型号为“S. SS. CLS以及CLSS”的自铆螺母尺寸单位mm螺纹及螺距型号螺纹代号板材厚度代码压入深度A(Max)最小板材厚度板材孔径+0.08/-0C(Max)E0.25T0.25孔边缘至对边之最小距离(b)易削钢不锈钢M20.4SCLSNSM200.760.8-14.254.226.31.54.810.97121.371.4M2.50.45SCLSM2.500.760.8-14.254.226.31.54.810.97121.371.4M30.5SCLSM300.760.814.254.226.31.54.810.97121.3

43、71.4M3.50.6SCLSM3.500.760.8-14.754.737.11.55.610.97121.371.4M40.7SCLSM400.760.815.45.387.926.910.97121.371.4M50.8SSCLSSM500.760.816.46.388.727.110.97121.371.4M61SCLSM601.151.28.758.7211.054.088.611.371.422.212.3M81.25SCLSM811.371.410.510.4712.655.479.722.212.3M101.5SCLSM1012.212.311413.9717.357.4813

44、.523.053.18单位inch螺纹及螺距型号螺纹代号板材厚度代码压入深度A(Max)最小板材厚度板材孔径+.003/-0C(Max)E.01T.010孔边缘至对边之最小距离(b)易削钢不锈钢0.086-56#2-56SCLSNS25600.0300.0300.1660.1650.250.070.1910.0380.04020.0540.0560.099-48#3-48SCLS34800.0300.0300.1660.1650.250.070.1910.0380.04020.0400.0560.112-40#4-40SCLS44000.0300.0300.1660.1650.250.070.

45、1910.0380.04020.0540.05630.0870.0910.138-32#6-32SCLS63200.0300.0300.18750.1870.280.070.2210.0380.04020.0540.05630.0870.0910.164-32#8-32SCLS83200.0300.03010.2130.2120.310.090.2710.0380.04020.0540.05630.0870.0910.190-24#10-24SSCLSS02400.0300.0300.2500.2490.340.090.2810.0380.04020.0540.05630.0870.0910.

46、190-32#10-32SSCLSS03200.0300.0300.2500.2490.340.090.2810.0380.04020.0540.05630.0870.0910.216-24#12-24SCLS122410.0380.0400.2770.2760.380.130.3120.0540.05630.0870.0912.2.2型号为SP, 专用于不锈钢冲压板件上的自铆螺母尺寸(米制单位为mm，英制单位为inch)螺纹及螺距类型螺纹代号板材厚度代号压入深度A(Max)板材最小厚度板材孔径+0.08/-0C(最大)E0.25T0.25孔边缘至对边之最小距离(b)M30.5SPM300.7

47、60.8-14.254.226.31.54.810.971.01-1.3921.371.4M40.7SPM400.760.8-15.45.387.926.910.971.01-1.3921.371.4M50.8SPM500.760.8-16.46.388.727.110.971.01-1.3921.371.4M61SPM611.371.48.758.7211.14.18.6螺纹及螺距类型螺纹代号板材厚度代号压入深度A(Max)板材最小厚度板材孔径+0.003/-0.000C(最大)E0.010T0.010孔边缘至对边之最小距离(b)0.112-40#4-40SP44000.0300.0300.

48、0390.1660.1650.250.070.1910.0380.0400.05520.0540.0560.138-32#6-32SP63200.0300.0300.0390.18750.1870.280.070.2210.0380.0400.05520.0540.0560.164-32#8-32SP83200.0300.0300.0390.2130.2120.310.090.2810.0380.0400.05520.0540.0560.190-32#10-32SP03210.0300.0300.0390.2500.2490.340.090.2820.0380.0400.05530.0540.

49、0562.2.3型号为H, HN, HNL之易削钢制自锁和防锁螺母的尺寸单位mm螺纹及螺距型号螺纹代号压入深度A(Max)板材最小厚度板材孔径+0.13/-0C(最大)E0.25T1T2孔边缘至对边之最小距离(b)防锁自锁防锁自锁0.130.25M61NAHNLM61.481.488.758.7212.7510M81.25NAHNLM81.481.4810.510.4714.66.311M101.5HHNHNLM101.481.4812.712.6716.57.9122.2.4型号为F. 的自铆螺母尺寸单位mm螺纹规格及螺距型号螺纹代码板材厚度代码压入深度A(Max)板材最小厚度板材孔径+0.

50、08/-0C最大值H孔边缘至对边之最小距离(b)M20.4FM2NS11.51.5-2.34.44.344.8622.32.32-UPM2.50.45FM2.511.51.5-2.34.44.344.8622.32.32-UPM30.5FM311.51.5-2.34.44.344.8622.32.32-UPM40.7FM411.51.5-2.37.47.347.97.222.32.32-UPM50.8FM511.51.5-2.37.97.878.7822.32.32-UPM61FM633.13.2-3.98.758.719.58.843.94-4.75NS4.74.72-UP2.2.5尺寸公差

51、一般未注公差：米制尺寸为整数的公差为0.30mm；尺寸之小数点后面一位的公差为0.2mm；小数点有二位的公差为0.13mm英制尺寸小数点后面二位的公差为0.01inch；小数点有三位的公差为0.005inch 2.3 压铆要求(压铆力为参考项目)螺母定位准确、压入深度A应与下模面平齐，上下模铆合高度应为一个板厚压合后自铆螺母铆合部位应完全深入母材，不能出现间隙目前选用材质所制螺母对100吨以下冲床完全适应，若因超出此范围而发生螺母之变形失效，则应考虑选用另外的材料制造，如中碳钢等螺母类型螺纹代码板材厚度代码板材压铆力(KN)推力(N)(Min)扭力(N.M)(Min)SCLSM2M2.5M30

52、5052-H34铝板6.7-8.92800.914001.1327501.470钢板11.2-15.64701.4715501.7210102.03SCLSM3.505052-H34铝板11.2-13.52801.814001.9228402.50钢板13.4-26.74801.815702.3212102.3SCLSM405052-H34铝板11.2-13.43002.3714702.6297040钢板18-274902.9516454212505.1SCLSM505052-H34铝板11.2-15.6300314803.6211905.70钢板18-385303.618004.521410

53、6.8SCLSM605052-H34铝板18-329707.91158010.2214.10钢板27-3613801311760172SCLSM815052-H34铝板18-32157013.6218.11钢板27-36187018.7220.3SCLSM1015052-H34铝板22-36176032.721202036.22SPM30304不锈钢板13-225751.5817251.92212902.03SPM40304不锈钢板22-316453.3818004.18216005.08SPM50304不锈钢板26-408003.95110255.08217756.77螺母类型螺纹代码板材厚

54、度代码板材压铆力(KN)推力(N)(Min)扭力(N.M)(Min)SPM61304不锈钢板40200017HM1002.29mm5052-H34. 铝板22176021.512.24mm冷轧钢板33202027.1FM2见Para2.2.4表5052-H34铝板钢板8.9 13.30.9 0.9M2.58.9 13.30.9 0.9M38.9 13.30.9 0.9M48.9 13.31.1 1.1M511.1 12.81.1 1.1M615.6 202.8 3.72.4 配合呎寸同种规格的螺母需与同种规格的螺钉相配合如对M4的螺母需与M4的螺钉相配合2.5 螺母验证方法螺纹其它呎寸化学成分

55、硬度铆合间隙镀层推力扭力塞规卡尺或千分尺化学或光谱分析显微硬度计目视或塞尺X-Ray膜厚计、盐雾试验推力计扭力计螺柱定义：压铆于冲件预冲孔内，带有螺纹，用于固定或连接其它零件的一类紧固件3.1制造螺柱材料3.1.1材料牌号一般只用到下列三种材料：JIS SUS 303不锈钢、JIS SUM22易削钢和JIS 7075-T6铝合金3.1.2化学成份化学成份(%)材料CMnSiCrNiPS其它SUS 3030.152.01.017198100.020.0150.6SUM220.130.71.00.100.350.070.120.240.330.100.357075-T6Fe:0.500.300.4

56、00.18-0.28Cu1.22.0Mg2.12.9Zn5.16.1Zr+T0.253.1.3 机械性能规格试验材料拉伸性能硬度(表面测试)屈服强度(MPa)抗拉强度(Mpa)伸长率(%)收缩率(%)HVSUS 303198Min520Min40Min50Min250310SUM22未热处理23528437246016271322200250渗碳热处理3504007075-T64615307Min3.1.4 螺柱材料的选取根据冲压板材硬度的不同选取不同材质的螺柱如下表：螺柱型号*型号说明材质板材硬度SUM22热处理SUM22未处理7075-T6SUS 30380 HRB70 HRB60 HRB

57、50HRBSO用易削钢制造，机械加工后进行热处理SOA用铝合金制造SOS用不锈钢制造BSO为盲孔，其它同SOBSOA为盲孔，其它同SOABSOS为盲孔，其它同SOSSON用易削钢制造，机械加工后不必热处理BSON为盲孔，其它同SOS*注：SOStandOff AAluminum SStainless Steel BBlind NNon-Heat Treated3.2尺寸3.2.1型号为“SO. SON. SOA. SOS. ”的通孔螺柱3.2.1.1一般尺寸单位 mm螺纹代码板材厚度(min)板材孔径(+0.08/-0)内孔径B0.13C(+0/ -0.13)H孔边缘至对边之最小距离(b)M3

58、14.23.24.194.863.5M315.43.25.386.46.8M3.515.43.95.386.46.8M41.37.24.87.117.98M51.37.25.357.117.98注: 3.5M3是在原有M3基础上将壁厚加厚、螺纹尺寸保持不变. 单位 inch螺纹代码板材厚度(min)板材孔径(+0.003/-0.000)内孔径B0.005C(+0/ -0.005)H孔边缘至对边之最小距离(b)4400.0400.1660.1250.1653/1660.23644030.0400.2130.1250.2121/40.2763250.0400.2130.1560.2121/40.2

59、786320.0500.2810.1560.2805/160.318320.0500.2810.1880.2805/160.310320.0500.2810.2030.2805/160.313.2.1.2螺纹规格和螺柱长度单位 mm螺纹规格型号螺纹代码尺寸L (公差+0.05/-0.03)SUM22热处理SUM22未处理SUS 3037075-T6M30.5SOSONSOSSOAM334681012141618N/AN/AN/A3.5M3M3.50.6SOSONSOSSOAM3.534681012141618202225M40.7M4M50.8M5D尺寸0.15无4811单位 inch螺纹规格

60、型号螺纹代码尺寸L (1/32Inch 公差+0.05/-0.03)SUM22热处理SUM22未处理SUS 3037075-T60.112-40#4-40SOSONSOSSOA4404681012141618202224N/AN/AN/AN/AN/A64400.138-32#6-326324681012141618202224262830323486320.164-32#8-32832468101214161820222426283032340.190-32#10-32032D尺寸0.010无0.18780.3120.4373.2.2 型号为“BSO.BSON. BSOA.BSOS. ”的盲孔