小五金工程评估手册
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目 录
1. 螺钉 .............................................................................................6
1.1螺纹标志及尺寸 ............ ...... .......................................................6 1.1.1米制细牙螺纹 .... ......... .........................................................7 1.1.2米制粗牙螺纹 .... .......... .........................................................8 1.1.3英制细牙螺纹 .... ........... ........................................................8 1.1.4英制粗牙螺纹 .... ........... ....................................................... 9 1.2通孔孔径 ............... ........ ........................................................10 1.3攻螺纹孔孔径 .................... ...... ................................................11 1.3.1米制细牙螺纹 ...... ..................................................................11 1.3.2米制粗牙螺纹 ...... ..................................................................11 1.3.3英制细牙螺纹 ...... ..................................................................12 1.3.4英制粗牙螺纹 ...... ..................................................................13 1.3.5板材上孔与板边间距 ...... ............................................................13 1.4 配合尺寸 ...... ..........................................................................13 1.5 机械性能 ...... ..........................................................................13 1.6 钢板厚度 ...... ..........................................................................14 1.7 特殊螺钉 ...... ..........................................................................15 1.7.1 自攻螺钉 ...... ...................................................................15
1.7.1.1 硬化层深度 ...... ..............................................................15 1.7.1.2 硬度 ...... ...................................................................16 1.7.1.3 尺寸 ...... ...................................................................16
菲菱科思标准化
小五金工程评估手册
第 2 页 共 57 页
1.7.1.4 工作扭力 .. .. .. .....................................................17 1.7.1.5 结合比与预冲孔呎寸关系 .. ... . ..........................................18 1.7.1.6 钢板孔径及抽牙高 ...... .. ...... ...........................................19 1.7.2 塑料螺钉 ...... .... ....... ...................................................20 1.7.2.1 螺纹形状 ...... ... .. ....................................................20 1.7.2.2 硬度 ...... ...... .. ....................................................21 1.7.2.3 螺纹呎寸 ...... ..... .....................................................21 1.7.3 浮动螺钉 .... .. .... ..........................................................21 1.7.3.1 浮动螺钉形状 ...... ..........................................................21 1.7.3.2 基本要求 ...... ... .........................................................21 1.8 螺钉验证方法 .... .. .................... ..........................................22
资料: ...... .................................................................23 A. 螺钉常见穴型简介 ...... .........................................................23 B. 常用板材硬度 ...... ..........................................................23 C. 电镀层 ...... ............................................................23
2.螺母........ ....................................................................24 2.1制造材料 ...... ................................................................24 2.1.1材料牌号 ...... .............................................................24 2.1.2材质化学成份 ...... ..........................................................24 2.1.3 机械性能 ...... ...............................................................24 2.1.4 螺母材料的选取 ...... ............................................................24 2.2尺寸及公差 ...... ................................................................25 2.2.1型号为“S. SS. CLS以及CLSS”的自铆螺母尺寸 ...... .......................25
菲菱科思标准化
小五金工程评估手册
第 3 页 共 57 页
2.2.2型号为SP, 专用于不锈钢冲压板件上的自铆螺母尺寸 ........... ...............28 2.2.3型号为H, HN, HNL之易削钢制自锁和防锁螺母的尺寸 ...... .... ...............30 2.2.4型号为F的自铆螺母尺寸 ...... ........... .................................30 2.2.5尺寸公差 ...... .............................................................32 2.3 压铆要求 ...... .................................................................32 2.4 配合呎寸 ...... .................................................................35 2.5 螺母验证方法 ...... .............................................................35 3.螺柱........ ....................................................................36 3.1制造螺柱材料 ...... ...............................................................36 3.1.1材料牌号 ...... ...............................................................36 3.1.2化学成份 ...... ...............................................................36 3.1.3 机械性能 ...... ...............................................................36 3.1.4 螺柱材料的选取 ...... ...............................................37 3.2尺寸 ...... ..............................................................37 3.2.1型号为“SO. SON. SOA. SOS. ”的通孔螺柱 ...... ........................37 3.2.1.1一般尺寸 ...... ...................................................38 3.2.1.2螺纹规格和螺柱长度 ...... .........................................39
3.2.2 型号为“BSO.BSON. BSOA.BSOS. ”的盲孔螺柱 ...... .......................40 3.2.2.1一般尺寸 ...... ...................................................40 3.2.2.2螺纹规格和螺柱长度 ...... ...........................................41
3.3 公差 ...... ...................................................................43 3.4 压铆要求 ...... .................................................................43 3.5 螺柱验证方法 ...... ...............................................................44
菲菱科思标准化
小五金工程评估手册
第 4 页 共 57 页
4.支柱.. ...... ..................... . .........................................45
4.1型号为“SO.SON. SOA.SOS”的通孔支柱 ...... ..................................45 4.1.1材料牌号 ...... ................. ....................................45
4.1.2材质化学成份 ...... .................. ..............................45 4.1.3机械性能......... .................... . .............................45 4.1.4 螺柱材料的选取 ...... .................................................46 4.1.5一般尺寸 ...... ........................ ..............................46 4.1.6支柱规格和支柱长度 ...... .................... ........................47 4.1.7公差 ...... ............................................................49 4.2 其它异型支柱 ...... .........................................................49 4.2.1 制造材料 ...... ........................................................49 4.2.2尺寸 ...... .............................................................49 4.2.3 板材厚度及孔径 ...... ..................................................51 4.3 压铆要求 ........ ...........................................................51 4.4 支柱验证方法 ...... .........................................................52 5.拉钉........ ...................................................................53 5.1 拉钉制造材料 ...... ........................................................54 5.2 尺寸 ...... .................................................................54 5.3 拉钉验证方法 ...... .........................................................55 6.弹簧.. ...... ....................................................................56 6.1 弹簧制造材料 ...... .........................................................56 6.2弹簧钢丝呎寸 ... ... ........................................................56 6.2.1制造弹簧用不锈钢钢丝标准直径 ...... ......................................56
菲菱科思标准化