小五金工程评估细则介绍

1、目录螺钉 661.1螺螺纹标志志及尺寸寸 61.1.1米制细牙牙螺纹 71.1.2米制粗牙牙螺纹 81.1.3英制制细牙螺螺纹 81.1.4英制制粗牙螺螺纹 91.2通通孔孔径径1101.3攻攻螺纹孔孔孔径1111.3.1米制细牙牙螺纹111.3.2米制粗牙牙螺纹111.3.3英制制细牙螺螺纹1121.3.4英制制粗牙螺螺纹1131.3.5板材材上孔与与板边间间距113配合尺寸寸113机械性能能113钢板厚度度114特殊螺钉钉115自攻螺钉钉115硬化层深深度15硬度16尺寸16工作扭力力17结合比与与预冲孔孔呎寸关关系188钢板孔径径及抽牙牙高1191.7.2塑料料螺钉2001.7.2.11

2、 螺纹纹形状2201.7.2.22 硬度度2111.7.2.33 螺纹纹呎寸2211.7.3浮动动螺钉211.7.3.11 浮动动螺钉形形状2211.7.3.22 基本本要求2211.8 螺钉验验证方法法222资料：233螺钉常见见穴型简简介223常用板材材硬度223电镀层223螺母2242.1制制造材料料2242.1.1材料料牌号2242.1.2材质质化学成成份2242.1.3机械械性能2242.1.4螺母母材料的的选取2242.2尺尺寸及公公差2252.2.1型号号为“S. SS. CLLS以及及CLSSS”的的自铆螺螺母尺寸寸2252.2.2型号号为SPP, 专专用于不不锈钢冲冲压板件件

3、上的自自铆螺母母尺寸2882.2.3型号号为H, HNN, HHNL之之易削钢钢制自锁锁和防锁锁螺母的的尺寸302.2.4型号号为F的自铆铆螺母尺尺寸3302.2.5尺寸寸公差3322.3 压铆要要求32配合呎寸寸335螺母验证证方法335螺柱3363.1制制造螺柱柱材料3363.1.1材料料牌号3363.1.2化学学成份3363.1.3机械械性能3363.1.4螺柱柱材料的的选取3373.2尺尺寸3373.2.1型号号为“SO. SOON. SOAA. SSOS. ”的通孔孔螺柱3373.2.1.11一般尺尺寸3383.2.1.22螺纹规规格和螺螺柱长度度3393.2.2型号号为“BSOO.

4、BSSON. BSSOA.BSOOS. ”的盲盲孔螺柱柱4403.2.2.11一般尺尺寸4403.2.2.22螺纹规规格和螺螺柱长度度4413.3 公差443压铆要求求443螺柱验证证方法444支柱454.1型型号为“SO.SONN. SSOA.SOSS”的通通孔支柱柱4554.1.1材料料牌号4554.1.2材质质化学成成份4554.1.3机械械性能454.1.4螺柱柱材料的的选取4464.1.5一般般尺寸4464.1.6支柱柱规格和和支柱长长度4474.1.7公差差4494.2 其它异异型支柱柱494.2.1制造造材料4494.2.2尺寸寸4494.2.3板材材厚度及及孔径5514.3压压

5、铆要求求5514.4 支柱验验证方法法525.拉钉钉5335.1 拉钉制制造材料料545.2 尺寸5545.3 拉钉验验证方法法556.弹簧簧5666.1 弹簧制制造材料料566.2弹弹簧钢丝丝呎寸5566.2.1制造造弹簧用用不锈钢钢钢丝标标准直径径5566.2.2标准准钢丝尺尺寸偏差差5576.3 弹簧自自由长度度576.4 弹簧外外径D 5576.5弹弹簧的总总圈数5576.6 弹簧的的方向576.7弹弹簧验证证方法557螺钉定义：由由头部和和螺杆两两部份构构成的一一类紧固固件本手册中中包括的的螺钉主主要有机机械螺钉钉、自攻攻螺钉、塑料螺螺钉和浮浮动螺钉钉等机械螺钉钉：由头头部和螺螺杆两

6、部部份构成成的一类类金属紧紧固件主要用用于一个个带有内内螺纹孔孔的零件件与带有有通孔的的零件之之间的紧紧固联接接，不需需要螺母母配合；也用于于带有通通孔的零零件之间间的紧固固联接，但要与与螺母配配合属可拆拆卸连接接自攻螺钉钉：由头头部和螺螺杆两部部份构成成的一类类金属紧紧固件，但螺杆杆上的螺螺纹为专专用的自自攻螺钉钉用螺纹纹用于紧紧固联接接两个薄薄的金属属构件，使之成成为一体体，构件件上需事事先制出出小孔这种螺螺钉具有有较高的的硬度，可直接接旋入构构件的孔孔中，使使构件孔孔中形成成相应的的内螺纹纹塑料螺钉钉：由头头部和螺螺杆两部部份构成成的一类类金属紧紧固件，但螺杆杆上的螺螺纹为专专用的塑塑料

7、螺钉钉用螺纹纹可直接接旋入塑塑料件中中，用于于把一个个带通孔孔的金属属(或非金金属)零件与与一个塑塑料件紧紧固联接接在一起起浮动螺钉钉：压铆铆于冲件件预制孔孔内, 用于经经常拆装装之冲压压件的把把手螺钉钉, 其结结构特点点是螺钉钉本体内内包含弹弹性体螺纹标志志及尺寸寸(除非特特别指明明，适用用于所有有的螺钉钉、螺母母和螺柱柱)螺纹纹分为外外螺纹和和内螺纹纹两种，一般螺螺钉为外外螺纹形形式，螺螺母或螺螺柱为内内螺纹形形式，常常用的螺螺纹如图图示H：原始始三角形形高度 PP：螺距距DD：内螺螺纹公称称直径 dd：外螺螺纹公称称直径HH1：螺纹纹牙高D2：内内螺纹中中径 D1：内螺螺纹小径径d2：外

8、螺螺纹中径径d1：外螺螺纹小径径n为每英英寸牙数数1.1.1米制细牙牙螺纹H =00.86660225Pd2=d-0.64995199PD=dH1=00.54412666Pd1=d-1.08225322PD2=d2D1=d1单位mmm螺纹标志志PH1d(D)d2(DD2)d1(DD1)M1 0.220.20.10081.00000.87700.7883M1.110.220.20.10081.10000.97700.8883M1.220.220.20.10081.20001.07700.9883M1.440.220.20.10081.40001.27701.1883M1.660.220.20.1

9、0081.60001.47701.3883M1.880.220.20.10081.80001.67701.5883M2 0.2250.2550.13352.00001.83381.7229M2.220.2250.2550.13352.20002.03381.9229M2.550.3350.3550.18892.50002.27732.1221M3 0.3350.3550.18893.00002.77732.6221M3.550.3350.3550.18893.50003.27733.1221M4 0.550.50.27714.00003.67753.4559M4.550.550.50.2771

10、4.50004.17753.9559M5 0.550.50.27715.00004.67754.4559M5.550.550.50.27715.00005.17754.9559M6 0.7750.7550.40066.00005.51135.18881.1.2米制粗牙牙螺纹H =00.86660225Pd2=d-0.64995199PD=dH1=00.54412666Pd1=d-1.08225322PD2=d2D1=d1单位mmm螺纹标志志PH1d(D)d2(DD2)d1(DD1)M10.2550.13351.00000.83380.7229M1.110.2550.13351.10000.93

11、380.8229M1.220.2550.13351.20001.03380.9229M1.440.30.16621.40001.20051.0775M1.660.3550.18891.60001.37731.2221M1.880.3550.18891.80001.57731.4221M20.40.21172.00001.74401.5667M2.220.4550.24442.20001.90081.7113M2.550.4550.24442.50002.20082.0113M30.50.27713.00002.67752.4559M3.550.60.32253.50003.11102.8550

12、M40.70.37794.00003.54453.2442M4.550.7550.40064.50004.01133.6888M50.80.43335.00004.48804.1334M610.54416.00005.35504.91171.1.3英制制细牙螺螺纹 P=225.44nH =00.86660225Pd=(d)25.4 D=d H11=0.54112666P d2=(d-0.64995199/n)25.4 DD2=d2d1=(d-1.08225322/n)25.4 DD1=d1单位mmm螺纹标志志(Reffereencee)nPH1d(D)d2(DD2)d1(DD1)No. 0-8

13、80 UNFF0.06600-80 UNNF800.311750.17721.52241.31181.1881No. 1-772 UNFF0.07730-72 UNNF720.355280.19911.85541.62261.4773No. 2-664 UNFF0.08860-64 UNNF640.399690.21152.18841.92281.7555No. 3-556 UNFF0.09990-56 UNNF560.455360.24462.51152.22202.0224No. 4-448 UNFF0.11120-48 UNNF480.522920.28862.84452.50022.2

14、771No. 5-444 UNFF0.12250-44 UNNF440.577730.31123.17752.79992.5550No. 6-440 UNFF0.13380-40 UNNF400.633500.34443.50053.09942.8117No. 8-336 UNFF0.16640-36 UNNF360.700560.38824.16663.70083.4001No. 10-32 UNFF0.19900-32 UNNF320.799380.43304.82264.31104.9667No. 12-28 UNFF0.21160-28 UNNF280.900710.49915.488

15、64.89974.50031.1.4英制制粗牙螺螺纹P=255.4nH =00.86660225Pd=(d)25.4 D=d HH1=0.54112666P d2=(d-0.64995199/n)25.4 D2=d2d1=(d-1.08225322/n)25.4D1=d1单位mmm螺纹标志志(Reffereencee)nPH1d(D)d2(DD2)d1(DD1)No. 1-664 UNCC0.07730-64 UNNC640.399690.21151.85541.59981.4225No. 2-556 UNCC0.08860-56 UNNC560.455360.24462.18841.8990

16、1.6994No. 3-448 UNCC0.09990-48 UNNC480.522920.28862.51152.17721.9441No. 4-440 UNCC0.11120-40 UNNC400.633500.34442.84452.43332.1556No. 5-440 UNCC0.12250-40 UNNC400.633500.34443.17752.76642.4887No. 6-332 UNCC0.13380-32 UNNC320.799380.43303.50052.99902.6447No. 8-332 UNCC0.16640-32 UNNC320.799380.43304.

17、16663.65503.3007No. 10-24 UNCC0.19900-24 UNNC241.055830.57734.82264.13383.6880No. 12-24 UNCC0.21160-24 UNNC241.055830.57735.48864.79984.34411.2通通孔孔径径螺钉连接接零件上上预制之之通孔如如图示：通孔孔径径之尺寸寸如下表表(单位mmm)：螺钉公称称直径通孔直径径(d)mm1级2级3级4级11.11.21.31.21.31.41.51.41.51.61.81.61.71.821.71.822.11.82.02.12.222.22.42.62.22.42.6

18、2.82.32.52.72.92.52.72.93.12.62.833.233.23.43.63.53.73.94.244.34.54.85.54.54.855.3655.35.55.86.566.46.677.81.3攻攻螺纹孔孔孔径与螺钉相相配的螺螺纹攻丝丝孔孔径径取决于于外内螺螺纹结合合比之大大小螺纹结合合比(%)=(螺钉钉公称直直径-攻丝孔孔直径)(2螺纹结结合高度度)1000(%)1.3.1米制细牙牙螺纹(单位mmm)螺纹标志志公称直径径螺纹结合合比(%)1009590858075706560M11.00000.7880.7990.8110.8220.8330.8440.8550.8

19、660.877M1.111.10000.8880.8990.9110.9220.9330.9440.9550.9660.977M1.221.20000.9880.9991.0111.0221.0331.0441.0551.0661.077M1.441.40001.1881.1991.2111.2221.2331.2441.2551.2661.277M1.661.60001.3881.3991.4111.4221.4331.4441.4551.4661.477M1.881.80001.5881.5991.6111.6221.6331.6441.6551.6661.677M22.00001.733

20、1.7441.7661.7771.7881.8001.8111.8221.844M2.222.20001.9331.9441.9661.9771.9882.0002.0112.0222.044M2.552.50002.1222.1442.1662.1882.2002.2222.2442.2552.277M33.00002.6222.6442.6662.6882.7002.7222.7442.7552.777M3.553.50003.1223.1443.1663.1883.2003.2223.2443.2553.277M44.00003.4663.4993.5113.5443.5773.5993

21、.6223.6553.688M4.554.50003.9663.9994.0114.0444.0774.0994.1224.1554.188M55.00004.4664.4994.5114.5444.5774.5994.6224.6554.688M5.555.50004.9664.9995.0115.0445.0775.0995.1225.1555.188M66.00005.1995.2335.2775.3115.3555.3995.4335.4775.5111.3.2米制粗牙牙螺纹(单位mmm)螺纹标志志公称直径径1009590858075706560M11.00000.7330.7440.

22、7660.7770.7880.8000.8110.8220.844M1.111.10000.8330.8440.8660.8770.8880.9000.9110.9220.944M1.221.20000.9330.9440.9660.9770.9881.0001.0111.0221.044M1.441.40001.0881.0991.1111.1221.1441.1661.1771.1991.211M1.661.60001.2221.2441.2661.2881.3001.3221.3331.3551.377M1.881.80001.4221.4441.4661.4881.5001.5221.

23、5331.5551.577M22.00001.5771.5991.6111.6331.6551.6881.7001.7221.744M2.222.20001.7111.7441.7661.7991.8111.8331.8661.8881.911M2.552.50002.0112.0442.0662.0992.1112.1332.1662.1882.211M3*00.53.00002.4662.4992.5112.5442.5772.5992.6222.6552.688M3.553.50002.8552.8882.9222.9552.9883.0113.0553.0883.111M4*00.74

24、.00003.2443.2883.3223.3663.3993.4333.4773.5113.555M4.554.50003.6993.7333.7773.8113.8553.8993.9333.9774.011M5*00.85.00004.1334.1884.2224.2664.3114.3554.3994.4444.488M66.00004.9224.9775.0335.0885.1335.1995.2445.3005.3551.3.3英制制细牙螺螺纹(单位mmm)螺纹标志志公称直径径1009590858075706560No. 0-880 UNFF1.52241.1881.2001.21

25、11.2331.2551.2771.2881.3001.322No. 1-772 UNFF1.85541.4771.4991.5111.5331.5551.5771.5991.6111.622No. 2-664 UNFF2.18841.7551.7881.8001.8221.8441.8661.8881.9001.933No. 3-556 UNFF2.51152.0222.0552.0772.1002.1222.1552.1772.2002.222No. 4-448 UNFF2.84452.2772.3002.3332.3662.3992.4222.4442.4772.500No. 5-444

26、 UNFF3.17752.5552.5882.6112.6442.6882.7112.7442.7772.800No. 6-440 UNFF3.50052.8222.8552.8992.9222.9662.9993.0223.0663.099No. 8-336 UNFF4.16663.4003.4443.4883.5223.5553.5993.6333.6773.711No. 10-32 UNFF4.82263.9774.0114.0554.1004.1444.1884.2224.2774.311No. 12-28 UNFF5.48864.5004.5554.6004.6554.7004.75

27、54.8004.8554.9001.3.4英制制粗牙螺螺纹(单位mmm)螺纹标志志公称直径径1009590858075706560No. 1-664 UNCC1.85541.4221.4551.4771.4991.5111.5331.5551.5771.600No. 2-556 UNCC2.18841.6991.7221.7441.7771.7991.8221.8441.8661.899No. 3-448 UNCC2.51151.9441.9772.0002.0332.0662.0992.1112.1442.177No. 4-440 UNCC2.84452.1662.1992.2332.266

28、2.3002.3332.3662.4002.433No. 5-440 UNCC3.17752.4992.5222.5662.5992.6332.6662.6992.7332.766No. 6-332 UNCC3.50052.6552.6992.7332.7772.8222.8662.9002.9552.999No. 8-332 UNCC4.16663.3113.3553.3993.4443.4883.5223.5663.6113.655No. 10-24 UNCC4.82263.6883.7443.7993.8553.9113.9774.0224.0884.144No. 12-24 UNCC5

29、.48864.3444.4004.4554.5114.5774.6334.6884.7444.8001.3.5板材材上孔与与板边间间距(对所有有螺钉适适用)板材上螺螺纹孔与与板边间间距如图图要求b2t (b为为孔与板板边的距距离，tt为板材材厚度)1.4 配合尺尺寸同种种规格的的螺钉需需与同种种规格螺螺纹的螺螺母或与与预攻同同规格螺螺纹孔的的钢板配配合如如对M33的螺钉钉需与MM3的螺螺母相配配合，或或者与在在钢板上上攻出MM3的螺螺纹孔相相配合1.5 机械性性能(包括材材质与热热处理)一般用CC0.20%的低碳碳钢制造造，拉伸伸强度要要求不小小于3330MPPa；硬硬度不小小于955HV(9

30、0HHB或52HHRB)；屈服服强度不不小于1190MMPa；延伸率率不小于于25%部分分螺钉拉拉力如下下表：螺纹标志志M1.66M2M2.22M2.55M3M3.55M4M5M6最小拉力力(N)4206206801120016600224002900046900663001.6 钢板厚厚度(取决于于螺钉与与内螺纹纹的结合合长度，钢板厚厚度应大大于实际际螺纹要要求之旋旋合长度度，单位位mm)螺纹标志志旋合长度度M10.61.7M1.110.61.7M1.220.61.7M1.440.72M1.660.82.6M1.880.82.6M21.03M2.221.33.8M2.551.33.8M31.

31、54.5M3.551.75M426M4.552.26.7M52.27.5M639M100.20.51.4M1.110.220.51.4M1.220.220.51.4M1.440.220.51.4M1.660.220.51.5M1.880.220.51.5M200.2550.61.9M2.220.2250.61.9M2.550.3350.82.6M300.35513M3.550.33513M400.51.54.5M4.550.551.54.5M500.51.54.5M5.550.551.54.5M600.7552.47.1注：对薄薄材，钢钢板厚度度至少应应大于223个个螺距1.7 特殊螺螺钉1.

32、7.1自攻攻螺钉1.7.1.11 硬化化层深度度一般般应进行行表面硬硬化处理理表面面渗碳或或碳氮共共渗层深深度如下下表(单位mmm)：螺纹标志志硬化层深深度MinMax1-644 22-566 3-4480.0440.1004-400 55-400 6-3320.0550.1888-322 110-224 12-240.1000.2331.7.1.22 硬度度表面渗碳碳或碳氮氮共渗处处理后硬硬度之一一般要求求：表面硬度度不小小于455HRCC 或或4500 HVV芯部硬度度266400HRCC 22703900 HVV1.7.1.33 尺寸寸自攻螺钉钉截面应应为弧形形三角形形，如图图(L为导导

33、引长度度，a为收尾尾长度)C、D值值如下表表 (单位位incch)螺纹标志志CDMaxMinMaxMin00-9900.044810.044610.044590.044390-8000.066130.055930.055880.055681-6440.077450.077250.077100.066902-5660.088750.088400.088400.088053-4880.100100.099750.099700.099354-4000.111450.111150.100950.100605-4000.122750.122400.122250.111906-3220.144100.13

34、3600.133500.133008-3220.166700.166200.166100.1556010-2240.199400.188900.188500.1880010-3320.199300.188800.188700.1882012-2240.222000.211500.211100.20060对螺纹纹长度大大于1/6innch，L应为23个螺螺距；对对螺纹长长度小于于1/66incch，L应为12个螺螺距对螺纹纹收尾长长度应小小于1个螺距距1.7.1.44 工作作扭力对不同厚厚度钢板板及预制制孔，自自攻螺钉钉之工作作扭力如如下表(单位 llbfincch)：螺纹标志志钢板厚(incc

35、h)孔径(iinchh)攻牙扭力力第一次拆拆卸扭力力攻螺纹后后安装扭扭力破坏扭力力2-5660.044690.077540.5112670.066250.077640.511281000.099380.077950.5112111143-4880.066250.088761234141150.099380.088971235151160.122500.099071246151184-4000.033120.09986122381110.066250.100291234151180.099380.1002111234222275-4000.066250.1111122345222290.0993

36、80.1113183447344410.122500.1116204568384466-3220.066250.1220143447253300.099380.1220203569354450.122500.1225224669394458-3220.099380.1447305710113657750.122500.1550454711114758850.188750.1550458111162207599510-2240.099380.1772355814118658800.122500.1772455814118809900.188750.177255913317222100115510

37、-3320.099380.177335913311114809950.122500.17775091331211610012000.188750.1777701211619225115140012-2240.122500.1996659122192249511150.188750.19997591332122613515550.255000.200385101142122615017001.7.1.55结合比比(%)与预冲冲孔呎寸寸(单位 iinchh)关系系如表所所示：结合比(%)100959085807570656055502-5660.077440.077500.077560.07761

38、0.077670.077730.077790.077850.077900.077960.088023-4880.088550.088610.088680.088750.088820.088880.088950.099020.099090.099160.099224-4000.099580.099660.099740.099820.099900.099980.100060.100140.100230.100310.100395-4000.100880.100960.111040.111120.111200.111280.111360.111440.111530.111610.111696-322

39、0.111770.111870.111970.122070.122180.122280.122380.122480.122580.122680.122788-3220.144370.144470.144570.144670.144780.144880.144980.155080.155180.155280.1553810-2240.166290.166430.166560.166700.166830.166970.177100.177240.177380.177510.1776510-3320.166970.177070.177170.177270.177380.177480.177580.1

40、77680.177780.177880.1779812-2240.188890.199030.199160.199300.199430.199570.199700.199840.199980.200110.20025对不不同的金金属材料料应选用用不同的的旋合比比，建议议选用范范围如下下：粉末合金金或铸铁铁50665%冷轧钢板板65770%铝材70880%金属薄材材80995%1.7.1.66钢板孔孔径及抽抽牙高不同规格格自攻螺螺钉所需需钢板预预制孔孔孔径及抽抽牙孔高高呎寸如如下(单位innch)：钢板厚度度 T0.0220.0330.0440.0660.099螺纹标志志抽牙孔孔孔径D6-322

41、0.111800.12200.111800.12210.111900.12220.122000.12230.122200.12258-3220.144400.14460.144400.14470.144500.14480.144600.14490.144700.155010-2240.166300.16650.166300.16660.166400.16670.166500.16680.166600.177010-3320.177000.17720.177000.17730.177100.17740.177200.17750.177300.177612-2240.188900.19910.18

42、8900.19920.199000.19930.199100.19940.199200.1996板厚T (innch)0.022400.03350.044200.04480.06600.09900.10060.1222孔径D (innch)HRHRHRHRHRHR0.088100.10000.04400.00050.04400.00050.04400.00060.04430.01100.100100.13300.04470.00050.04470.00050.04470.00060.05520.01100.05540.01100.133100.15500.05530.00050.05530.0

43、0050.05530.00060.06600.01100.06630.01100.07720.01130.155100.18800.06600.00050.06600.00060.07700.01100.07750.01100.08870.01130.188100.22200.07700.00050.07700.00060.09900.01100.09950.01100.10040.01130.222100.26600.07750.00060.10000.01100.10050.01100.12200.01130.266100.30000.08830.00060.11160.01100.122

44、50.01100.14400.01130.300100.34400.13300.01100.14400.01100.16640.01130.344100.38800.14400.01100.15550.01100.17700.01130.388100.43300.15500.01100.17700.01100.18840.01131.7.2塑料料螺钉1.7.2.11 螺纹纹形状1.7.2.22 硬度度一般要求求硬度范范围在333339HRRC33103700HV(必要要时可采采用表面面渗碳或或碳氮共共渗处理理)1.7.2.33螺纹呎呎寸(单位mm)公称直径径d螺纹小径径d1螺距Pb(Maax)

45、公称直径径d螺纹小径径d1螺距Pb(Maax)尺寸偏差尺寸偏差1.61.20/-0.2250.80.25542.80/-00.4001.60.321.40.94.53.20/-0.4481.82.51.8153.5232.11.25.53.82.242.50/-00.4001.40.30064.22.51.7.3浮动动螺钉1.7.3.11 浮动动螺钉形形状1.7.3.22 基本本要求浮动螺钉钉铆合后后与板材材之间隙隙应在000.35mmm1.8 螺钉验验证方法法螺纹其它呎寸寸化学成分分硬度镀层扭力环规*卡尺或千千分尺化学或光光谱分析析显微硬度度计X-Raay膜厚厚计、盐盐雾试验验扭力计*注：对

46、对自攻螺螺钉用环环规测量量螺纹有有困难时时，可仅仅测试其其C值，此此时应采采用特殊殊之三棱棱千分尺尺，且避避过引导导区进行行资料A螺钉钉常见穴穴型简介介穴型传递最大大扭力比比(%)(以六六方型为为1000，同同规格螺螺纹螺钉钉)图示Torxx Pllus345Torxx314方型276十字型183六方型100B常用用板材硬硬度GI料：牌号CC1 555677 HRRB；C2 550665 HHRB；C3 4053 HRBBEG料：4558 HRBBCRS料料：455566 HRRBC电镀镀层C1在在工作环环境湿度度低于770%的的室内条条件使用用的小五五金，镀镀锌层不不小于00.0005mmm

47、，镀镍镍层不小小于0.0100mmC2在在城市的的室外条条件或可可产生冷冷凝作用用的室内内条件使使用的小小五金，对镀锌锌层不小小于0.0088mm，对镀镍镍层应不不小于00.0220mmm螺母定义：螺螺母是带带有内螺螺纹的紧紧固件,配合带带有外螺螺纹的螺螺钉,利用内内外螺纹纹连接形形式,作紧固固连接两两个被连连接件之之用本手手册所讨讨论的是是自铆螺螺母,亦即压压铆于冲冲件预冲冲孔内, 用于于固定或或连接其其它零件件的一类类螺母2.1制制造材料料2.1.1材料料牌号一般只用用到下列列两种材材料JIIS SSUS 3033不锈钢钢和JISS SUUM222易削钢钢2.1.2材质质化学成成份化化学成

48、份份材料CMnSiCrNiPS其它SUS33030.1152.001.001711981000.0020.00150.66SUM2220.1130.71.000.1000.350.0770.120.2440.330.1000.352.1.3机械械性能试验验规格材料拉伸性能能硬度(表表面测试试)屈服强度度(MPPa)抗拉强度度(MPPa)伸长率(%)收缩率(%)HVSUS3303196MMin520MMin40Miin50Miin2503100SUM222未热处理理235 2884372460016227132222002500渗碳热处处理35040002.1.4螺母母材料的的选取应根据冲冲压板

49、材材硬度的的不同选选取不同同材质的的自铆螺螺母如如下表：自铆螺母母型号型号说明材料适合板材材硬度SUM222热处处理SUS3303SUM222未处处理预硬SUUS300390 HRBB80 HRBB70 HRBB60HHRBS用易削钢钢制造，机械加加工后热热处理SS为个个别规格格特别形形式SSCLS用不锈钢钢制造CLSSS为个别别规格特特别形式式CLSSSH易削钢制制，机械械加工后后热处理理之防锁锁螺母HN易削钢制制，机械械加工后后不热处处理之防防锁螺母母HNL易削钢制制，机械械加工后后不热处处理之自自锁螺母母SP不锈钢制制，机械械加工后后预硬用用于不锈锈钢板2.2尺尺寸及公公差2.2.1型号

50、号为“S. SS. CLLS以及及CLSSS”的的自铆螺螺母尺寸寸单位mmm螺纹及螺距型号螺纹代号板材厚度代码码压入深度度A(MMax)最小板材材厚度板材孔径径+0.08/-0C(Maxx)E0.225T0.225孔边缘至至对边之之最小距距离(bb)易削钢不锈钢M20.4SCLSNNSM200.7660.8-14.2554.2226.31.54.810.977121.3771.4M2.550.445SCLSM2.5500.7660.8-14.2554.2226.31.54.810.977121.3771.4M30.5SCLSM300.7660.8114.2554.2226.31.54.810.

51、977121.3771.4M3.550.66SCLSM3.5500.7660.8-14.7554.7337.11.55.610.977121.3771.4M40.7SCLSM400.7660.815.45.3887.926.910.977121.3771.4M50.8SSCLSSSM500.7660.816.46.3888.727.110.977121.3771.4M61SCLSM601.1551.28.7558.72211.0054.0888.611.3771.422.2112.3M81.25SCLSM811.3771.410.5510.44712.6655.4779.722.2112.3M

52、1011.5SCLSM1012.2112.3111413.99717.3357.48813.5523.0553.188单位innch螺纹及螺距型号螺纹代号板材厚度度代码压入深度度A(MMax)最小板材材厚度板材孔径径+.0003/-0C(Maxx)E.001T.0110孔边缘至至对边之之最小距距离(bb)易削钢不锈钢0.0886-556#2-556SCLSNNS25600.03300.03300.16660.16650.2550.0770.19910.03380.044020.05540.05560.0999-448#3-448SCLS34800.03300.03300.16660.16650

53、.2550.0770.19910.03380.044020.04400.05560.1112-440#4-440SCLS44000.03300.03300.16660.16650.2550.0770.19910.03380.044020.05540.055630.08870.09910.1338-332#6-332SCLS63200.03300.03300.188750.18870.2880.0770.22210.03380.044020.05540.055630.08870.09910.1664-332#8-332SCLS83200.03300.033010.21130.21120.3110

54、.0990.27710.03380.044020.05540.055630.08870.09910.1990-224#10-24SSCLSSS02400.03300.03300.25500.24490.3440.0990.28810.03380.044020.05540.055630.08870.09910.1990-332#10-32SSCLSSS03200.03300.03300.25500.24490.3440.0990.28810.03380.044020.05540.055630.08870.09910.2116-224#12-24SCLS1224410.03380.04400.27

55、770.27760.3880.1330.31120.05540.055630.08870.09912.2.2型号号为SPP, 专专用于不不锈钢冲冲压板件件上的自自铆螺母母尺寸(米制单单位为mmm，英英制单位位为innch)螺纹及螺螺距类型螺纹代号号板材厚度度代号压入深度度A(Maax)板材最小小厚度板材孔径径+0.08/-0C(最大)E0.255T0.255孔边缘至至对边之之最小距距离(bb)M30.5SPM300.7660.8-14.2554.2226.31.54.810.9771.011-1.3921.3771.4M40.7SPM400.7660.8-15.45.3887.926.910.

56、9771.011-1.3921.3771.4M50.8SPM500.7660.8-16.46.3888.727.110.9771.011-1.3921.3771.4M61SPM611.3771.48.7558.72211.114.18.6螺纹及螺螺距类型螺纹代号号板材厚度度代号压入深度度A(Maax)板材最小小厚度板材孔径径+0.0033/-00.0000C(最大)E0.0110T0.0110孔边缘至至对边之之最小距距离(bb)0.1112-440#4-440SP44000.03300.033000.03390.16660.16650.2550.0770.19910.03380.044000.

57、055520.05540.05560.1338-332#6-332SP63200.03300.033000.03390.188750.18870.2880.0770.22210.03380.044000.055520.05540.05560.1664-332#8-332SP83200.03300.033000.03390.21130.21120.3110.0990.28810.03380.044000.055520.05540.05560.1990-332#10-32SP03210.03300.033000.03390.25500.24490.3440.0990.28820.03380.044

58、000.055530.05540.05562.2.3型号号为H, HNN, HHNL之之易削钢钢制自锁锁和防锁锁螺母的的尺寸单位mmm螺纹及螺螺距型号螺纹代号号压入深度度A(MMax)板材最小小厚度板材孔径径+0.13/-0C(最大)E0.255T1T2孔边缘至至对边之之最小距距离(bb)防锁自锁防锁自锁0.1330.255M61NAHNLM61.4881.4888.7558.72212.77510M81.25NAHNLM81.4881.48810.5510.44714.666.311M1011.5HHNHNLM101.4881.48812.7712.66716.557.9122.2.4型号号

59、为F. 的自自铆螺母母尺寸单位mmm螺纹规格格及螺距型号螺纹代码码板材厚度度代码压入深度度A(Maax)板材最小小厚度板材孔径径+0.008/-0C最大值H孔边缘至至对边之之最小距距离(bb)M200.4FM2NSS11.51.5-2.334.44.3444.8622.32.322-UPPM2.550.445FM2.5511.51.5-2.334.44.3444.8622.32.322-UPPM300.5FM311.51.5-2.334.44.3444.8622.32.322-UPPM400.7FM411.51.5-2.337.47.3447.97.222.32.322-UPPM500.8FM

60、511.51.5-2.337.97.8778.7822.32.322-UPPM611FM633.13.2-3.998.7558.7119.58.843.94-4.75NS4.74.722-UPP2.2.5尺寸寸公差一般未注注公差：米制尺尺寸为整整数的公公差为00.300mm；尺寸之之小数点点后面一一位的公公差为00.2mmm；小小数点有有二位的的公差为为0.113mmm英制制尺寸小小数点后后面二位位的公差差为0.01iinchh；小数数点有三三位的公公差为00.0005innch 2.33 压铆铆要求(压铆力力为参考考项目)螺母定位位准确、压入深深度A应与下下模面平平齐，上上下模铆铆合高度度应