小五金工程評估手冊57頁

1、 目錄螺釘 61.1螺紋標志及尺寸 61.1.1米制細牙螺紋 71.1.2米制粗牙螺紋 8英制細牙螺紋 8英制粗牙螺紋 91.2通孔孔徑 101.3攻螺紋孔孔徑 111.3.1米制細牙螺紋 111.3.2米制粗牙螺紋 11英制細牙螺紋 12英制粗牙螺紋 13板材上孔與板邊間距 13配合尺寸 13機械性能 13鋼板厚度 14特殊螺釘 15自攻螺釘 15硬化層深度 15硬度 16尺寸 16工作扭力 17結(jié)合比與預沖孔呎寸關系 18鋼板孔徑及抽牙高 19 塑料螺釘 20.1 螺紋形狀 20.2 硬度 21.3 螺紋呎寸 21 浮動螺釘 21.1 浮動螺釘形狀 21.2 基本要求 211.8 螺釘驗證

2、方法 22資料： 23螺釘常見穴型簡介 23常用板材硬度 23電鍍層 23螺母 242.1制造材料 24材料牌號 24材質(zhì)化學成份 24 機械性能 24 螺母材料的選取 242.2尺寸及公差 25型號為“S. SS. CLS以及CLSS”的自鉚螺母尺寸 25型號為SP, 專用于不銹鋼沖壓板件上的自鉚螺母尺寸 28型號為H, HN, HNL之易削鋼制自鎖和防鎖螺母的尺寸 30型號為F的自鉚螺母尺寸 30尺寸公差 322.3 壓鉚要求 32配合呎寸 35螺母驗證方法 35螺柱 363.1制造螺柱材料 36材料牌號 36化學成份 36 機械性能 36 螺柱材料的選取 373.2尺寸 37型號為“SO

3、. SON. SOA. SOS. ”的通孔螺柱 37.1一般尺寸 38.2螺紋規(guī)格和螺柱長度 39 型號為“BSO.BSON. BSOA.BSOS. ”的盲孔螺柱 40.1一般尺寸 40.2螺紋規(guī)格和螺柱長度 413.3 公差 43壓鉚要求 43螺柱驗證方法 44支柱 454.1型號為“SO.SON. SOA.SOS”的通孔支柱 45材料牌號 45材質(zhì)化學成份 45機械性能 45 螺柱材料的選取 46一般尺寸 46支柱規(guī)格和支柱長度 47公差 494.2 其它異型支柱 49 制造材料 49尺寸 49 板材厚度及孔徑 514.3 壓鉚要求 514.4 支柱驗證方法 525.拉釘 535.1 拉釘

4、制造材料 545.2 尺寸 545.3 拉釘驗證方法 556.彈簧 566.1 彈簧制造材料 566.2彈簧鋼絲呎寸 56制造彈簧用不銹鋼鋼絲標準直徑 56標準鋼絲尺寸偏差 576.3 彈簧自由長度 576.4 彈簧外徑D 576.5彈簧的總?cè)?shù) 576.6 彈簧的方向 576.7彈簧驗證方法 57螺釘定義：由頭部和螺桿兩部份構成的一類緊固件 本手冊中包括的螺釘主要有機械螺釘、自攻螺釘、塑料螺釘和浮動螺釘?shù)葯C械螺釘：由頭部和螺桿兩部份構成的一類金屬緊固件主要用于一個帶有內(nèi)螺紋孔的零件與帶有通孔的零件之間的緊固聯(lián)接，不需要螺母配合；也用于帶有通孔的零件之間的緊固聯(lián)接，但要與螺母配合屬可拆卸連接自

5、攻螺釘：由頭部和螺桿兩部份構成的一類金屬緊固件，但螺桿上的螺紋為專用的自攻螺釘用螺紋用于緊固聯(lián)接兩個薄的金屬構件，使之成為一體，構件上需事先制出小孔這種螺釘具有較高的硬度，可直接旋入構件的孔中，使構件孔中形成相應的內(nèi)螺紋塑料螺釘：由頭部和螺桿兩部份構成的一類金屬緊固件，但螺桿上的螺紋為專用的塑料螺釘用螺紋可直接旋入塑料件中，用于把一個帶通孔的金屬(或非金屬)零件與一個塑料件緊固聯(lián)接在一起浮動螺釘：壓鉚于沖件預制孔內(nèi), 用于經(jīng)常拆裝之沖壓件的把手螺釘, 其結(jié)構特點是螺釘本體內(nèi)包含彈性體螺紋標志及尺寸(除非特別指明，適用于所有的螺釘、螺母和螺柱)螺紋分為外螺紋和內(nèi)螺紋兩種，一般螺釘為外螺紋形式，螺

6、母或螺柱為內(nèi)螺紋形式，常用的螺紋如圖示H：原始三角形高度 P：螺距 D：內(nèi)螺紋公稱直徑 d：外螺紋公稱直徑 H1：螺紋牙高D2：內(nèi)螺紋中徑 D1：內(nèi)螺紋小徑 d2：外螺紋中徑d1：外螺紋小徑n為每英寸牙數(shù)1.1.1米制細牙螺紋H =0.866025P d2=d-0.649519P D=dH1=0.541266P d1=d-1.082532P D2=d2 D1=d1單位mm螺紋標志PH1d(D)d2(D2)d1(D1)M1 0.20.20.1081.0000.8700.783M1.10.20.20.1081.1000.9700.883M1.20.20.20.1081.2001.0700.983M

7、1.40.20.20.1081.4001.2701.183M1.60.20.20.1081.6001.4701.383M1.80.20.20.1081.8001.6701.583M2 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 0.50.50.2714.0003.6753.459M4.50.50.50.2714.5004.17

8、53.959M5 0.50.50.2715.0004.6754.459M5.50.50.50.2715.0005.1754.959M6 0.750.750.4066.0005.5135.1881.1.2米制粗牙螺紋H =0.866025P d2=d-0.649519P D=dH1=0.541266P d1=d-1.082532P D2=d2 D1=d1單位mm螺紋標志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.

9、4001.2051.075M1.60.350.1891.6001.3731.221M1.80.350.1891.8001.5731.421M20.40.2172.0001.7401.567M2.20.450.2442.2001.9081.713M2.50.450.2442.5002.2082.013M30.50.2713.0002.6752.459M3.50.60.3253.5003.1102.850M40.70.3794.0003.5453.242M4.50.750.4064.5004.0133.688M50.80.4335.0004.4804.134M610.5416.0005.3504.

10、917英制細牙螺紋 P=25.4n H =0.866025P d=(d) 25.4 D=d H1=0.541266P d2=(d-0.649519/n) 25.4 D2=d2 d1=(d-1.082532/n) 25.4 D1=d1單位mm螺紋標志(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

11、.1841.9281.755No. 3-56 UNF0.0990-56 UNF560.45360.2462.5152.2202.024No. 4-48 UNF0.1120-48 UNF480.52920.2862.8452.5022.271No. 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 UNF0.1900-3

12、2 UNF320.79380.4304.8264.3104.967No. 12-28 UNF0.2160-28 UNF280.90710.4915.4864.8974.503英制粗牙螺紋P=25.4n H =0.866025P d=(d) 25.4 D=d H1=0.541266P d2=(d-0.649519/n) 25.4 D2=d2 d1=(d-1.082532/n) 25.4 D1=d1單位mm螺紋標志(Reference)nPH1d(D)d2(D2)d1(D1)No. 1-64 UNC0.0730-64 UNC640.39690.2151.8541.5981.425No. 2-56

13、UNC0.0860-56 UNC560.45360.2462.1841.8901.694No. 3-48 UNC0.0990-48 UNC480.52920.2862.5152.1721.941No. 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

14、.6503.307No. 10-24 UNC0.1900-24 UNC241.05830.5734.8264.1383.680No. 12-24 UNC0.2160-24 UNC241.05830.5735.4864.7984.3411.2通孔孔徑螺釘連接零件上預制之通孔如圖示：通孔孔徑之尺寸如下表(單位mm)：螺釘公稱直徑通孔直徑(d)mm1級2級3級4級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

15、.233.23.43.63.53.73.94.244.34.54.85.54.54.855.3655.35.55.86.566.46.677.81.3攻螺紋孔孔徑與螺釘相配的螺紋攻絲孔孔徑取決于外內(nèi)螺紋結(jié)合比之大小螺紋結(jié)合比(%)=(螺釘公稱直徑-攻絲孔直徑)(2螺紋結(jié)合高度) 100(%)1.3.1米制細牙螺紋(單位mm)螺紋標志公稱直徑螺紋結(jié)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

16、.991.011.021.031.041.051.061.07M1.41.4001.181.191.211.221.231.241.251.261.27M1.61.6001.381.391.411.421.431.441.451.461.47M1.81.8001.581.591.611.621.631.641.651.661.67M22.0001.731.741.761.771.781.801.811.821.84M2.22.2001.931.941.961.971.982.002.012.022.04M2.52.5002.122.142.162.182.202.222.242.252.27M

17、33.0002.622.642.662.682.702.722.742.752.77M3.53.5003.123.143.163.183.203.223.243.253.27M44.0003.463.493.513.543.573.593.623.653.68M4.54.5003.963.994.014.044.074.094.124.154.18M55.0004.464.494.514.544.574.594.624.654.68M5.55.5004.964.995.015.045.075.095.125.155.18M66.0005.195.235.275.315.355.395.435.

18、475.511.3.2米制粗牙螺紋(單位mm)螺紋標志公稱直徑1009590858075706560M11.0000.730.740.760.770.780.800.810.820.84M1.11.1000.830.840.860.870.880.900.910.920.94M1.21.2000.930.940.960.970.981.001.011.021.04M1.41.4001.081.091.111.121.141.161.171.191.21M1.61.6001.221.241.261.281.301.321.331.351.37M1.81.8001.421.441.461.481.

19、501.521.531.551.57M22.0001.571.591.611.631.651.681.701.721.74M2.22.2001.711.741.761.791.811.831.861.881.91M2.52.5002.012.042.062.092.112.132.162.182.21M3*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

20、.693.733.773.813.853.893.933.974.01M5*0.85.0004.134.184.224.264.314.354.394.444.48M66.0004.924.975.035.085.135.195.245.305.35英制細牙螺紋(單位mm)螺紋標志公稱直徑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

21、.821.841.861.881.901.93No. 3-56 UNF2.5152.022.052.072.102.122.152.172.202.22No. 4-48 UNF2.8452.272.302.332.362.392.422.442.472.50No. 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 UN

22、F4.8263.974.014.054.104.144.184.224.274.31No. 12-28 UNF5.4864.504.554.604.654.704.754.804.854.90英制粗牙螺紋(單位mm)螺紋標志公稱直徑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-

23、40 UNC2.8452.162.192.232.262.302.332.362.402.43No. 5-40 UNC3.1752.492.522.562.592.632.662.692.732.76No. 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.

24、634.684.744.80板材上孔與板邊間距(對所有螺釘適用)板材上螺紋孔與板邊間距如圖要求b2t (b為孔與板邊的距離，t為板材厚度)1.4 配合尺寸同種規(guī)格的螺釘需與同種規(guī)格螺紋的螺母或與預攻同規(guī)格螺紋孔的鋼板配合如對M3的螺釘需與M3的螺母相配合，或者與在鋼板上攻出M3的螺紋孔相配合1.5 機械性能(包括材質(zhì)與熱處理)一般用C0.20%的低碳鋼制造，拉伸強度要求不小于330MPa；硬度不小于95HV(90HB或52HRB)；屈服強度不小于190MPa；延伸率不小于25%部分螺釘拉力如下表：螺紋標志M1.6M2M2.2M2.5M3M3.5M4M5M6最小拉力(N)420620680112

25、0166022402900469066301.6 鋼板厚度(取決于螺釘與內(nèi)螺紋的結(jié)合長度，鋼板厚度應大于實際螺紋要求之旋合長度，單位mm)螺紋標志旋合長度M10.61.7M1.10.61.7M1.20.61.7M1.40.72M1.60.82.6M1.80.82.6M21.03M2.21.33.8M2.51.33.8M31.54.5M3.51.75M426M4.52.26.7M52.27.5M639M10.20.51.4M1.10.20.51.4M1.20.20.51.4M1.40.20.51.4M1.60.20.51.5M1.80.20.51.5M20.250.61.9M2.20.250.6

26、1.9M2.50.350.82.6M30.3513M3.50.3513M40.51.54.5M4.50.51.54.5M50.51.54.5M5.50.51.54.5M60.752.47.1 注：對薄材，鋼板厚度至少應大于23個螺距1.7 特殊螺釘 自攻螺釘.1 硬化層深度一般應進行表面硬化處理表面滲碳或碳氮共滲層深度如下表(單位mm)：螺紋標志硬化層深度MinMax1-64 2-56 3-480.040.104-40 5-40 6-320.050.188-32 10-24 12-240.100.23.2 硬度表面滲碳或碳氮共滲處理后硬度之一般要求：表面硬度不小于45HRC 或450 HV芯部

27、硬度2640HRC 270390 HV.3 尺寸 自攻螺釘截面應為弧形三角形，如圖(L為導引長度，a為收尾長度)C、D值如下表 (單位inch)螺紋標志CDMaxMinMaxMin00-900.04810.04610.04590.04390-800.06130.05930.05880.05681-640.07450.07250.07100.06902-560.08750.08400.08400.08053-480.10100.09750.09700.09354-400.11450.11150.10950.10605-400.12750.12400.12250.11906-320.14100.1

28、3600.13500.13008-320.16700.16200.16100.156010-240.19400.18900.18500.180010-320.19300.18800.18700.182012-240.22000.21500.21100.2060對螺紋長度大于1/6inch，L應為23個螺距；對螺紋長度小于1/6inch，L應為12個螺距對螺紋收尾長度應小于1個螺距.4 工作扭力對不同厚度鋼板及預制孔，自攻螺釘之工作扭力如下表(單位 lbfinch)：螺紋標志鋼板厚(inch)孔徑(inch)攻牙扭力第一次拆卸扭力攻螺紋后安裝扭力破壞扭力2-560.04690.07540.511

29、2670.06250.07640.51128100.09380.07950.511211143-480.06250.0876123414150.09380.0897123515160.12500.0907124615184-400.03120.098612238110.06250.1029123415180.09380.10211123422275-400.06250.11112234522290.09380.11318344734410.12500.11620456838466-320.06250.12014344725300.09380.12020356935450.12500.12522

30、466939458-320.09380.1473057101365750.12500.1504547111475850.18750.150458111620759510-240.09380.1723558141865800.12500.1724558141880900.18750.17255913172210011510-320.09380.17335913111480950.12500.1775091312161001200.18750.177701216192511514012-240.12500.196659121924951150.18750.1997591321261351550.2

31、5000.2038510142126150170.5結(jié)合比(%)與預沖孔呎寸(單位 inch)關系如表所示：結(jié)合比(%)100959085807570656055502-560.07440.07500.07560.07610.07670.07730.07790.07850.07900.07960.08023-480.08550.08610.08680.08750.08820.08880.08950.09020.09090.09160.09224-400.09580.09660.09740.09820.09900.09980.10060.10140.10230.10310.10395-400.1

32、0880.10960.11040.11120.11200.11280.11360.11440.11530.11610.11696-320.11770.11870.11970.12070.12180.12280.12380.12480.12580.12680.12788-320.14370.14470.14570.14670.14780.14880.14980.15080.15180.15280.153810-240.16290.16430.16560.16700.16830.16970.17100.17240.17380.17510.176510-320.16970.17070.17170.1

33、7270.17380.17480.17580.17680.17780.17880.179812-240.18890.19030.19160.19300.19430.19570.19700.19840.19980.20110.2025對不同的金屬材料應選用不同的旋合比，建議選用范圍如下：粉末合金或鑄鐵5065%冷軋鋼板6570%鋁材7080%金屬薄材8095%.6鋼板孔徑及抽牙高 不同規(guī)格自攻螺釘所需鋼板預制孔孔徑及抽牙孔高呎寸如下(單位inch)：鋼板厚度 T0.020.030.040.060.09螺紋標志抽牙孔孔徑D6-320.1180.1200.1180.1210.1190.1220.12

34、00.1230.1220.1258-320.1440.1460.1440.1470.1450.1480.1460.1490.1470.15010-240.1630.1650.1630.1660.1640.1670.1650.1680.1660.17010-320.1700.1720.1700.1730.1710.1740.1720.1750.1730.17612-240.1890.1910.1890.1920.1900.1930.1910.1940.1920.196板厚T (inch)0.0240.0350.0420.0480.0600.0900.1060.122孔徑D (inch)HRHRH

35、RHRHRHR0.0810.1000.0400.0050.0400.0050.0400.0060.0430.0100.1010.1300.0470.0050.0470.0050.0470.0060.0520.0100.0540.0100.1310.1500.0530.0050.0530.0050.0530.0060.0600.0100.0630.0100.0720.0130.1510.1800.0600.0050.0600.0060.0700.0100.0750.0100.0870.0130.1810.2200.0700.0050.0700.0060.0900.0100.0950.0100.1

36、040.0130.2210.2600.0750.0060.1000.0100.1050.0100.1200.0130.2610.3000.0830.0060.1160.0100.1250.0100.1400.0130.3010.3400.1300.0100.1400.0100.1640.0130.3410.3800.1400.0100.1550.0100.1700.0130.3810.4300.1500.0100.1700.0100.1840.0131.7.2 塑料螺釘.1 螺紋形狀.2 硬度一般要求硬度范圍在3339HRC310370HV(必要時可采用表面滲碳或碳氮共滲處理).3螺紋呎寸(單

37、位mm)公稱直徑d螺紋小徑d1螺距Pb(Max)公稱直徑d螺紋小徑d1螺距Pb(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/-0.401.40.3064.22.5 浮動螺釘.1 浮動螺釘形狀.2 基本要求浮動螺釘鉚合后與板材之間隙應在00.35mm1.8 螺釘驗證方法螺紋其它呎寸化學成分硬度鍍層扭力環(huán)規(guī)*卡尺或千分尺化學或光譜分析顯微硬度計X-Ray膜厚計、鹽霧試驗扭力計*注：對自攻螺釘用環(huán)規(guī)測量螺紋有困難時，可僅測試其C值，此

38、時應采用特殊之三棱千分尺，且避過引導區(qū)進行資料A螺釘常見穴型簡介穴型傳遞最大扭力比(%)(以六方型為100，同規(guī)格螺紋螺釘)圖示Torx Plus345Torx314方型276十字型183六方型100B常用板材硬度GI料：牌號C1 5567 HRB；C2 5065 HRB；C3 4053 HRBEG料：4558 HRB CRS料：4556 HRBC電鍍層C1在工作環(huán)境濕度低于70%的室內(nèi)條件使用的小五金，鍍鋅層不小于0.005mm，鍍鎳層不小于0.010mmC2在城市的室外條件或可產(chǎn)生冷凝作用的室內(nèi)條件使用的小五金，對鍍鋅層不小于0.008mm，對鍍鎳層應不小于0.020mm螺母定義：螺母是帶

39、有內(nèi)螺紋的緊固件,配合帶有外螺紋的螺釘,利用內(nèi)外螺紋連接形式,作緊固連接兩個被連接件之用本手冊所討論的是自鉚螺母,亦即壓鉚于沖件預沖孔內(nèi), 用于固定或連接其它零件的一類螺母2.1制造材料2.1.1材料牌號一般只用到下列兩種材料JIS SUS 303不銹鋼和JIS SUM22易削鋼材質(zhì)化學成份化學成份材料CMnSiCrNiPS其它SUS3030.152.01.017198100.020.0150.6SUM220.130.71.00.100.350.070.120.240.330.100.35 機械性能試驗 規(guī)格材料拉伸性能硬度(表面測試)屈服強度(MPa)抗拉強度(MPa)伸長率(%)收縮率(%

40、)HVSUS303196Min520Min40Min50Min250310SUM22未熱處理235 28437246016271322200250滲碳熱處理350400 螺母材料的選取應根據(jù)沖壓板材硬度的不同選取不同材質(zhì)的自鉚螺母如下表：自鉚螺母型號型號說明材料適合板材硬度SUM22熱處理SUS303SUM22未處理預硬SUS30390 HRB80 HRB70 HRB60HRBS用易削鋼制造，機械加工后熱處理SS為個別規(guī)格特別形式SSCLS用不銹鋼制造CLSS為個別規(guī)格特別形式CLSSH易削鋼制，機械加工后熱處理之防鎖螺母HN易削鋼制，機械加工后不熱處理之防鎖螺母HNL易削鋼制，機械加工后不熱

41、處理之自鎖螺母SP不銹鋼制，機械加工后預硬用于不銹鋼板2.2尺寸及公差型號為“S. SS. CLS以及CLSS”的自鉚螺母尺寸單位mm 螺紋及螺距型號螺紋代號板材厚度代碼壓入深度A(Max)最小板材厚度板材孔徑+0.08/-0C(Max)E0.25T0.25孔邊緣至對邊之最小距離(b)易削鋼不銹鋼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.

42、97121.371.4M3.50.6SCLSM3.500.760.8-14.754.737.11.55.610.97121.371.4M40.7SCLSM400.760.815.45.387.926.910.97121.371.4M50.8SSCLSSM500.760.816.46.388.727.110.97121.371.4M61SCLSM601.151.28.758.7211.054.088.611.371.422.212.3M81.25SCLSM811.371.410.510.4712.655.479.722.212.3M101.5SCLSM1012.212.311413.9717.3

43、57.4813.523.053.18單位inch螺紋及螺距型號螺紋代號板材厚度代碼壓入深度A(Max)最小板材厚度板材孔徑+.003/-0C(Max)E.01T.010孔邊緣至對邊之最小距離(b)易削鋼不銹鋼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#4-40SCLS44000.0300.0300.1660.1650.2

44、50.070.1910.0380.04020.0540.05630.0870.0910.138-32#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#10-24SSCLSS02400.0300.0300.2500.2490.340.090.2810.0380.04020.0540.05630.087

45、0.0910.190-32#10-32SSCLSS03200.0300.0300.2500.2490.340.090.2810.0380.04020.0540.05630.0870.0910.216-24#12-24SCLS122410.0380.0400.2770.2760.380.130.3120.0540.05630.0870.091型號為SP, 專用于不銹鋼沖壓板件上的自鉚螺母尺寸(米制單位為mm，英制單位為inch)螺紋及螺距類型螺紋代號板材厚度代號壓入深度A(Max)板材最小厚度板材孔徑+0.08/-0C(最大)E0.25T0.25孔邊緣至對邊之最小距離(b)M30.5SPM300

46、.760.8-14.254.226.31.54.810.9721.371.4M40.7SPM400.760.8-15.45.387.926.910.9721.371.4M50.8SPM500.760.8-16.46.388.727.110.9721.371.4M61SPM611.371.48.758.7211.14.18.6螺紋及螺距類型螺紋代號板材厚度代號壓入深度A(Max)板材最小厚度板材孔徑+0.003/-0.000C(最大)E0.010T0.010孔邊緣至對邊之最小距離(b)0.112-40#4-40SP44000.0300.0300.0390.1660.1650.250.070.19

47、10.0380.0400.05520.0540.0560.138-32#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#10-32SP03210.0300.0300.0390.2500.2490.340.090.2820.0380.0400.05530.0540.056型號為H, HN, HNL之易削鋼制自鎖和防

48、鎖螺母的尺寸 單位mm螺紋及螺距型號螺紋代號壓入深度A(Max)板材最小厚度板材孔徑+0.13/-0C(最大)E0.25T1T2孔邊緣至對邊之最小距離(b)防鎖自鎖防鎖自鎖0.130.25M61NAHNLM61.481.488.758.7212.7510M81.25NAHNLM81.481.4810.510.4714.66.311M101.5HHNHNLM101.481.4812.712.6716.57.912型號為F. 的自鉚螺母尺寸單位mm螺紋規(guī)格及螺距型號螺紋代碼板材厚度代碼壓入深度A(Max)板材最小厚度板材孔徑+0.08/-0C最大值H孔邊緣至對邊之最小距離(b)M20.4FM2NS

49、 11.54.44.344.8622.32.32-UPM2.50.45FM2.511.54.44.344.8622.32.32-UPM30.5FM311.54.44.344.8622.32.32-UPM40.7FM411.57.47.347.97.222.32.32-UPM50.8FM511.57.97.878.7822.32.32-UPM61FM633.18.758.719.58.843.94-4.75NS 4.74.72-UP尺寸公差一般未注公差：米制尺寸為整數(shù)的公差為0.30mm；尺寸之小數(shù)點后面一位的公差為0.2mm；小數(shù)點有二位的公差為0.13mm英制尺寸小數(shù)點后面二位的公差為0.0

50、1inch；小數(shù)點有三位的公差為0.005inch 2.3 壓鉚要求(壓鉚力為參考項目)螺母定位準確、壓入深度A應與下模面平齊，上下模鉚合高度應為一個板厚壓合后自鉚螺母鉚合部位應完全深入母材，不能出現(xiàn)間隙目前選用材質(zhì)所制螺母對100噸以下沖床完全適應，若因超出此范圍而發(fā)生螺母之變形失效，則應考慮選用另外的材料制造，如中碳鋼等螺母類型螺紋代碼板材厚度代碼板材壓鉚力(KN)推力(N)(Min)扭力(N.M)(Min)SCLSM2M2.5M305052-H34鋁板2800.914001.1327501.470鋼板4701.4715501.7210102.03SCLSM3.505052-H34鋁板28

51、01.814001.9228402.50鋼板4801.815702.3212102.3SCLSM405052-H34鋁板3002.3714702.6297040鋼板18-274902.9516454212505.1SCLSM505052-H34鋁板300314803.6211905.70鋼板18-385303.618004.5214106.8SCLSM605052-H34鋁板18-329707.91158010.2214.10鋼板27-3613801311760172SCLSM815052-H34鋁板18-32157013.6218.11鋼板27-36187018.7220.3SCLSM101

52、5052-H34鋁板22-36176032.721202036.22SPM30304不銹鋼板13-225751.5817251.92212902.03SPM40304不銹鋼板22-316453.3818004.18216005.08SPM50304不銹鋼板26-408003.95110255.08217756.77螺母類型螺紋代碼板材厚度代碼板材壓鉚力(KN)推力(N)(Min)扭力(N.M)(Min)SPM61304不銹鋼板40200017HM1002.29mm5052-H34. 鋁板22176021.512.24mm冷軋鋼板33202027.1FM2見Para表5052-H34鋁板鋼板8.

53、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 3.7 2.4 配合呎寸同種規(guī)格的螺母需與同種規(guī)格的螺釘相配合如對M4的螺母需與M4的螺釘相配合2.5 螺母驗證方法螺紋其它呎寸化學成分硬度鉚合間隙鍍層推力扭力塞規(guī)卡尺或千分尺化學或光譜分析顯微硬度計目視或塞尺X-Ray膜厚計、鹽霧試驗推力計扭力計螺柱定義：壓鉚于沖件預沖孔內(nèi)，帶有螺紋，用于固定或連接其它零件的一類緊固件3.1制造螺柱材料材料牌號一般只用到下列三種材料：JIS SUS 303不銹鋼、JI

54、S SUM22易削鋼和JIS 7075-T6鋁合金化學成份 化學成份(%)材料CMnSiCrNiPS其它SUS 3030.152.01.017198100.020.0150.6SUM220.130.71.00.100.35-0.070.120.240.330.100.357075-T6Fe:0.500.300.40Cu1.22.0Mg2.12.9Zn5.16.1Zr+T0.25 機械性能規(guī)格試驗材料拉伸性能硬度(表面測試)屈服強度(MPa)抗拉強度(Mpa)伸長率(%)收縮率(%)HVSUS 303198Min520Min40Min50Min250310SUM22未熱處理23528437246

55、016271322200250滲碳熱處理3504007075-T64615307Min 螺柱材料的選取根據(jù)沖壓板材硬度的不同選取不同材質(zhì)的螺柱如下表：螺柱型號*型號說明材質(zhì)板材硬度SUM22熱處理SUM22未處理7075-T6SUS 30380 HRB70 HRB60 HRB50HRBSO用易削鋼制造，機械加工后進行熱處理SOA用鋁合金制造SOS用不銹鋼制造BSO為盲孔，其它同SOBSOA為盲孔，其它同SOABSOS為盲孔，其它同SOSSON用易削鋼制造，機械加工后不必熱處理BSON為盲孔，其它同SOS*注：SOStandOff AAluminum SStainless Steel BBlin

56、d NNon-Heat Treated3.2尺寸型號為“SO. SON. SOA. SOS. ”的通孔螺柱.1一般尺寸 單位 mm螺紋代碼板材厚度(min)板材孔徑(+0.08/-0)內(nèi)孔徑B0.13C(+0/ -0.13)H孔邊緣至對邊之最小距離(b)M314.23.24.194.863.5M315.43.25.386.46.8M3.515.43.95.386.46.8M41.37.24.87.117.98M51.37.25.357.117.98注: 3.5M3是在原有M3基礎上將壁厚加厚、螺紋尺寸保持不變. 單位 inch螺紋代碼板材厚度(min)板材孔徑(+0.003/-0.000)內(nèi)孔

57、徑B0.005C(+0/ -0.005)H孔邊緣至對邊之最小距離(b)4400.0400.1660.1250.1653/1660.23644030.0400.2130.1250.2121/40.2763250.0400.2130.1560.2121/40.2786320.0500.2810.1560.2805/160.318320.0500.2810.1880.2805/160.310320.0500.2810.2030.2805/160.31.2螺紋規(guī)格和螺柱長度 單位 mm螺紋規(guī)格型 號螺紋代碼尺寸L (公差+0.05/-0.03)SUM22熱處理SUM22未處理SUS 3037075-T

58、6M30.5SOSONSOSSOAM334681012141618N/AN/AN/A3.5M3M3.50.6SOSONSOSSOAM3.534681012141618202225M40.7M4M50.8M5D尺寸0.15無4811 單位 inch螺紋規(guī)格型 號螺紋代碼尺寸L (1/32Inch 公差+0.05/-0.03)SUM22熱處理SUM22未處理SUS 3037075-T60.112-40#4-40SOSONSOSSOA4404681012141618202224N/AN/AN/AN/AN/A64400.138-32#6-32632468101214161820222426283032

59、3486320.164-32#8-32832468101214161820222426283032340.190-32#10-32032D尺寸0.010無0.18780.3120.437 型號為“BSO.BSON. BSOA.BSOS. ”的盲孔螺柱.1一般尺寸 單位 mm螺柱螺紋代碼板材厚度(min)板材孔徑(+0.08/-0)C(+0/-0.13)H孔邊緣至對邊之最小距離(b)M314.24.194.863.5M315.45.386.46.8M3.515.45.386.46.8M41.37.27.117.98M51.37.27.117.98 單位 inch螺柱螺紋代碼板材厚度(Min)板材

60、孔徑(+0.003/-0.000)C(+0/ -0.005)H孔邊緣至對邊之最小距離(b)4400.0400.1660.1653/1660.23644030.0400.2130.2121/40.276320.0400.2130.2121/40.2786320.0500.2810.2805/160.318320.0500.2810.2805/160.310320.0500.2810.2805/160.31.2螺紋規(guī)格和螺柱長度 單位 mm螺紋規(guī)格型 號螺紋代碼尺寸L(公差+0.05/-0.13)SUM22熱處理SUM22未處理SUS 3037075-T6M30.5BSOBSONBSOSBSOAM