小五金工程評(píng)估手冊(cè)57頁

1、 目錄螺釘 61.1螺紋標(biāo)志及尺寸 61.1.1米制細(xì)牙螺紋 71.1.2米制粗牙螺紋 8英制細(xì)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(xì)牙螺紋 111.3.2米制粗牙螺紋 11英制細(xì)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(jī)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(yù)沖孔呎寸關(guān)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(dòng)螺釘 21.1 浮動(dòng)螺釘形狀 21.2 基本要求 211.8 螺釘驗(yàn)證

2、方法 22資料： 23螺釘常見穴型簡(jiǎn)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(hào) 24材質(zhì)化學(xué)成份 24 機(jī)械性能 24 螺母材料的選取 242.2尺寸及公差 25型號(hào)為“S. SS. CLS以及CLSS”的自鉚螺母尺寸 25型號(hào)為SP, 專用于不銹鋼沖壓板件上的自鉚螺母尺寸 28型號(hào)為H, HN, HNL之易削鋼制自鎖和防鎖螺母的尺寸 30型號(hào)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(yàn)證方法 35螺柱 363.1制造螺柱材料 36材料牌號(hào) 36化學(xué)成份 36 機(jī)械性能 36 螺柱材料的選取 373.2尺寸 37型號(hào)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(hào)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(yàn)證方法 44支柱 454.1型號(hào)為“SO.SON. SOA.SOS”的通孔支柱 45材料牌號(hào) 45材質(zhì)化學(xué)成份 45機(jī)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(yàn)證方法 525.拉釘 535.1 拉釘

4、制造材料 545.2 尺寸 545.3 拉釘驗(yàn)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(biāo)準(zhǔn)直徑 56標(biāo)準(zhǔn)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(yàn)證方法 57螺釘定義：由頭部和螺桿兩部份構(gòu)成的一類緊固件 本手冊(cè)中包括的螺釘主要有機(jī)械螺釘、自攻螺釘、塑料螺釘和浮動(dòng)螺釘?shù)葯C(jī)械螺釘：由頭部和螺桿兩部份構(gòu)成的一類金屬緊固件主要用于一個(gè)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(gòu)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(gè)薄的金屬構(gòu)件，使之成為一體，構(gòu)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(gòu)件的孔中，使構(gòu)件孔中形成相應(yīng)的內(nèi)螺紋塑料螺釘：由頭部和螺桿兩部份構(gòu)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(gè)帶通孔的金屬(或非金屬)零件與一個(gè)塑料件緊固聯(lián)接在一起浮動(dòng)螺釘：壓鉚于沖件預(yù)制孔內(nèi), 用于經(jīng)常拆裝之沖壓件的把手螺釘, 其結(jié)構(gòu)特點(diǎn)是螺釘本體內(nèi)包含彈性體螺紋標(biāo)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(xì)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(biāo)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(biāo)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(xì)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(biāo)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(biāo)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(yù)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(jí)2級(jí)3級(jí)4級(jí)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(xì)牙螺紋(單位mm)螺紋標(biāo)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(biāo)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(xì)牙螺紋(單位mm)螺紋標(biāo)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(biāo)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(duì)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(yù)攻同規(guī)格螺紋孔的鋼板配合如對(duì)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(jī)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(qiáng)度要求不小于330MPa；硬度不小于95HV(90HB或52HRB)；屈服強(qiáng)度不小于190MPa；延伸率不小于25%部分螺釘拉力如下表：螺紋標(biāo)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(yīng)大于實(shí)際螺紋要求之旋合長度，單位mm)螺紋標(biāo)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(duì)薄材，鋼板厚度至少應(yīng)大于23個(gè)螺距1.7 特殊螺釘 自攻螺釘.1 硬化層深度一般應(yīng)進(jìn)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(biāo)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(yīng)為弧形三角形，如圖(L為導(dǎo)引長度，a為收尾長度)C、D值如下表 (單位inch)螺紋標(biāo)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(duì)螺紋長度大于1/6inch，L應(yīng)為23個(gè)螺距；對(duì)螺紋長度小于1/6inch，L應(yīng)為12個(gè)螺距對(duì)螺紋收尾長度應(yīng)小于1個(gè)螺距.4 工作扭力對(duì)不同厚度鋼板及預(yù)制孔，自攻螺釘之工作扭力如下表(單位 lbfinch)：螺紋標(biāo)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(yù)沖孔呎寸(單位 inch)關(guān)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(duì)不同的金屬材料應(yīng)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(yù)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(biāo)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(shí)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(dòng)螺釘.1 浮動(dòng)螺釘形狀.2 基本要求浮動(dòng)螺釘鉚合后與板材之間隙應(yīng)在00.35mm1.8 螺釘驗(yàn)證方法螺紋其它呎寸化學(xué)成分硬度鍍層扭力環(huán)規(guī)*卡尺或千分尺化學(xué)或光譜分析顯微硬度計(jì)X-Ray膜厚計(jì)、鹽霧試驗(yàn)扭力計(jì)*注：對(duì)自攻螺釘用環(huán)規(guī)測(cè)量螺紋有困難時(shí)，可僅測(cè)試其C值，此

38、時(shí)應(yīng)采用特殊之三棱千分尺，且避過引導(dǎo)區(qū)進(jìn)行資料A螺釘常見穴型簡(jiǎn)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(hào)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(duì)鍍鋅層不小于0.008mm，對(duì)鍍鎳層應(yīng)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(gè)被連接件之用本手冊(cè)所討論的是自鉚螺母,亦即壓鉚于沖件預(yù)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(hào)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(xué)成份化學(xué)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(jī)械性能試驗(yàn) 規(guī)格材料拉伸性能硬度(表面測(cè)試)屈服強(qiáng)度(MPa)抗拉強(qiáng)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(yīng)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(hào)型號(hào)說明材料適合板材硬度SUM22熱處理SUS303SUM22未處理預(yù)硬SUS30390 HRB80 HRB70 HRB60HRBS用易削鋼制造，機(jī)械加工后熱處理SS為個(gè)別規(guī)格特別形式SSCLS用不銹鋼制造CLSS為個(gè)別規(guī)格特別形式CLSSH易削鋼制，機(jī)械加工后熱處理之防鎖螺母HN易削鋼制，機(jī)械加工后不熱處理之防鎖螺母HNL易削鋼制，機(jī)械加工后不熱

41、處理之自鎖螺母SP不銹鋼制，機(jī)械加工后預(yù)硬用于不銹鋼板2.2尺寸及公差型號(hào)為“S. SS. CLS以及CLSS”的自鉚螺母尺寸單位mm 螺紋及螺距型號(hào)螺紋代號(hào)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(duì)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(hào)螺紋代號(hào)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(duì)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(hào)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(hào)板材厚度代號(hào)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(duì)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(hào)板材厚度代號(hào)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(duì)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(hào)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(hào)螺紋代號(hào)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(duì)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(hào)為F. 的自鉚螺母尺寸單位mm螺紋規(guī)格及螺距型號(hào)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(duì)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(diǎn)后面一位的公差為0.2mm；小數(shù)點(diǎn)有二位的公差為0.13mm英制尺寸小數(shù)點(diǎn)后面二位的公差為0.0

50、1inch；小數(shù)點(diǎn)有三位的公差為0.005inch 2.3 壓鉚要求(壓鉚力為參考項(xiàng)目)螺母定位準(zhǔn)確、壓入深度A應(yīng)與下模面平齊，上下模鉚合高度應(yīng)為一個(gè)板厚壓合后自鉚螺母鉚合部位應(yīng)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(duì)100噸以下沖床完全適應(yīng)，若因超出此范圍而發(fā)生螺母之變形失效，則應(yīng)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(duì)M4的螺母需與M4的螺釘相配合2.5 螺母驗(yàn)證方法螺紋其它呎寸化學(xué)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(xué)或光譜分析顯微硬度計(jì)目視或塞尺X-Ray膜厚計(jì)、鹽霧試驗(yàn)推力計(jì)扭力計(jì)螺柱定義：壓鉚于沖件預(yù)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(hào)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(xué)成份 化學(xué)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(jī)械性能規(guī)格試驗(yàn)材料拉伸性能硬度(表面測(cè)試)屈服強(qiáng)度(MPa)抗拉強(qiáng)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(hào)*型號(hào)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(jī)械加工后進(jìn)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(jī)械加工后不必?zé)崽幚鞡SON為盲孔，其它同SOS*注：SOStandOff AAluminum SStainless Steel BBlin

56、d NNon-Heat Treated3.2尺寸型號(hào)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(duì)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(chǔ)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(duì)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(hào)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(hào)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(hào)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(duì)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(duì)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(hào)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