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1、 紧固件选用手册 无锡大阳电动科技有限公司技术中心2015.4前 言为规范无锡大阳电动科技有限公司电动车紧固件的选用,并结合公司PLM要求特编制了本紧固件选用手册,依据现实际和发展的需要,手册中选录有螺栓类、螺钉类、螺母类、垫圈类、销轴类、企标类共六大类54小类的紧固件,供大家使用。在使用中各位对本手册有什么意见和建议,请随时向技术中心反映。本手册编制人: 制 定 人 员会 签 单 位编 制审 核批 准 2015年 月 日 编制说明1 本选用手册是依据本公司电动车对紧固件的使用情况编制。2 紧固件的表面处理镀锌件按GB/T 9799-2011金属及其他无机覆盖物 钢铁上经过处理的锌电镀层,其余

2、按GB/T 13911-2008金属镀覆和化学处理标识方法的规定表示:1) Fe/Zn/B表示钢件电镀锌后漂白铬酸盐处理(漂白膜) (外观为带轻微彩虹的白色或蓝白色); 2) Fe/Zn/C表示钢件电镀锌后彩虹铬酸盐处理(彩虹膜) (外观为偏黄的彩虹色);3) Fe/Zn/D表示钢件电镀锌后军深色铬酸盐处理(不透明膜) (外观为橄榄绿,也称军绿); 4) Fe/Zn/F表示钢件电镀锌后黑色铬酸盐处理(黑色膜) (外观为黑色); 5) Fe/Cr20b表示钢件电镀铬处理, 光亮镀铬,镀镍层厚20m,镀铬层厚0.3m; 6) Ct.O表示钢件进行化学氧化处理(发蓝或发黑),本公司规定只采用发黑,以

3、后标准件中凡 是采用Ct.O又未注明颜色的,均按发黑处理; 7) 镀锌件铬酸盐处理后须进行封闭处理(T2),为了简化起见,代号标记里未作标注。3 电镀层厚度要求: 1) 电镀锌如不标注镀层厚度,则镀锌层厚度应达到12m 以上; 2) 电镀铬如不标注镀层厚度,则镀层总厚度应达到20m 以上;3) 采购部订购紧固件时应按此要求采购,品管部按此要求验收。4 紧固件的标注按各种紧固件的标注示例进行,标准代号一律不标年份。5. “”符号为我司正常使用规格。 1) 大类:见表1.表1代码000102030405类别螺栓类螺钉类螺母类垫圈类销轴类企标件类 2) 小类:见表2.表2代码大类 小 类 及 代 码

4、010203040500 螺栓类GB/T 5782GB/T 5783GB/T 5785GB/T 5786GB/T16674.101 螺钉类GB/T 70.1GB/T 818GB/T 819.1GB/T 823GB/T 84502 螺母类GB/T 802.1GB/T 889.1GB/T 889.2GB/T 6170GB/T 617103 垫圈类GB/T 93GB/T 95GB/T 96.2GB/T 848GB/T 528704 销轴类GB/T 91GB/T 879.205企标件类Q/DY J301.1Q/DY J301.2Q/DY J301.3Q/DY J301.4Q/DY J301.5表2(续

5、)代码大类 小 类 及 代 码060708091000 螺栓类GB/T 578901 螺钉类QC/T 602 尖端GB/T 70.2GB/T 846GB/T 13806.2QC/T 602 平端02 螺母类GB/T 6187.1GB/T 6187.2GB/T 92303 垫圈类GB/T 97.1GB/T 96.104 销轴类05企标件类Q/DY J301.6Q/DY J301.7Q/DY J301.8Q/DY J301.9Q/DY J301.10表2(续)代码大类 小 类 及 代 码1112131400 螺栓类01 螺钉类02 螺母类03 垫圈类04 销轴类05 企标件类Q/DY J301.1

6、1Q/DY J301.12Q/DY J301.13Q/DY J301.143) 直径规格 a) 一般按紧固件的直径规格,用2位数表示; b) 细牙螺纹:同一直径规格有不同螺距时,按表3规定。表3代 码1011121314螺纹规格M10×1M10×1.25M12×1.25M12×1.5M14×1.5 c) 自攻螺钉的直径规格按表4规定。表4代 码02030405直径规格ST2.9ST3.5ST3.9企标ST4.2ST4.8 d) 开口销的直径规格按表5规定。表5代 码0102030405直径规格1.62.02.53.244) 长度规格 a) 一般

7、按紧固件的长度规格,用3位数表示。 b) 自攻螺钉带小数点的长度规格按表6规定。表6代 码006009长度规格6.59.55) 表面特征代码 表面特征代码见表7。表7代码12345特征分类镀铬Fe/Cr彩虹膜(彩锌)Fe/Zn/C黑色膜(钝黑)Fe/Zn/F不透明膜(军绿)Fe/Zn/D化学氧化(发黑)Ct·O表7(续完)代码67890特征分类不锈钢漂白膜(蓝白)Fe/Zn/B电泳无处理6) 特殊特征代码特殊特征代码为了表述前面位数未表达完整的信息或细小差别,以汉语拼音或英文的头个字母表示,d、O、l、i、x不用,表8为部分例子,表9为自攻螺钉特殊特征代码。表8字母B(big)K(孔

8、)J(胶)SJ(三价)S(small)意义加大带孔加防脱胶三价镀铬小表9代 码02030405直径规格ST2.2ST2.6ST2.9ST3.3ST3.5ST3.9ST4.2ST4.8所属标准类型企标企标国标或行标企标国标或行标企标国标或行标国标或行标特殊特征代码F无无F无无无无 目 次1 螺栓类1.1 GB/T 5782 六角头螺栓 (8.8级)·····················

9、································11.2 GB/T 5783 六角头螺栓 全螺纹(8.8级)·············

10、··································1 1.3 GB/T 5785 六角头螺栓细牙(8.8级)···········&

11、#183;·····································21.4 GB/T 5786 六角头螺栓细牙 全螺纹(8.8级)·······

12、;··································21.5 GB/T 16674.1 六角法兰面螺栓小系列(8.8级) ··········

13、·····························31.6 GB/T 5789 六角法兰面螺栓小系列(8.8级) ···············

14、3;························· 42 螺钉类 2.1 GB/T 70.1 内六角圆柱头螺钉(8.8级) ··················

15、83;·····························52.2 GB/T 818 十字槽盘头螺钉(4.8级) ················

16、;···································52.3 GB/T 819.1 十字槽沉头螺钉(4.8级) ··········

17、;·····································62.4 GB/T 823 十字槽小盘头螺钉(4.8级) ········

18、········································82.5 GB/T 845 十字槽盘头自攻螺钉······&

19、#183;···············································82.6 QC/T 602

20、 十字槽大半圆头自攻螺钉················································

21、··92.7 GB/T 70.2 内六角平圆头螺钉············································&

22、#183;··········102.8 空行······································

23、;········································112.9 GB/T 13806.2 十字槽盘头自攻螺钉 刮削端····

24、83;·····································113 螺母类3.1 GB/T 802.1 组合式盖形螺母·······

25、3;···············································113.2 GB/T 889.1

26、 型非金属嵌件六角锁紧螺母············································123.3 GB/T 889.2 型非金属嵌件

27、六角锁紧螺母细牙······································133.4 GB/T 6170 1型六角螺母·······

28、··················································

29、··133.5 GB/T 6171 1型六角螺母细牙············································

30、··········143.6 空行······································

31、3;·······································143.7 空行·········&#

32、183;·················································&#

33、183;··················143.8 GB/T 6187.1 全金属六角法兰面锁紧螺母··························&#

34、183;··················153.9 GB/T 6187.2 全金属六角法兰面锁紧螺母细牙··························

35、············153.10 GB/T 923 六角盖形螺母细牙 ··································

36、;················16 4 垫圈类4.1 GB/T 93 标准型弹簧垫圈·····························&#

37、183;····························164.2 GB/T 95 平垫圈 C级··················

38、···········································174.3 GB/T 96.2 大垫圈 C级···&#

39、183;·················································&#

40、183;·····174.4 GB/T 848 小垫圈 A级·········································

41、;··················184.5 GB/T 5287 特大垫圈····························

42、83;··································195 销轴类 5.1 GB/T 91 开口销···········

43、3;·················································

44、3;······195.2 GB/T 879.2 弹性圆柱销 直槽 轻型·······································

45、··········205.3 GB/T 882 销轴·····································&

46、#183;·······························206 企标类6.1 Q/DY J301.1-2015 专用紧固件 方向把固定螺栓···········&#

47、183;··························216.2 Q/DY J301.2-2015 专用紧固件 鼓式制动器固定螺栓·················

48、·················216.3 Q/DY J301.3-2015 专用紧固件 刹把固定螺栓···························&

49、#183;············226.4 Q/DY J301.4-2015 专用紧固件 碟刹盘固定螺栓·······························&

50、#183;······226.5 Q/DY J301.5-2015 专用紧固件 单撑固定螺栓·····································&#

51、183;··236.6 Q/DY J301.6-2015 专用紧固件 前轮轴··········································

52、····246.7 Q/DY J301.7-2015 专用紧固件 后平叉轴········································

53、83;···256.8 Q/DY J301.8-2015 专用紧固件 十字槽大扁头螺钉····································266.9 Q/DY J301.9-2015 专用紧

54、固件 公制螺纹卡片······································266.10 Q/DY J301.10-2015 专用紧固件 自攻卡片····

55、3;·····································276.11 Q/DY J301.11-2015 专用紧固件 鞍形垫圈·······

56、;···································276.12 Q/DY J301.12-2015 专用紧固件 六角法兰面承面带齿螺母········

57、;···················286.13 Q/DY J301.13-2015 专用紧固件 六角法兰面承面带齿螺母细牙······················286.14 Q/

58、DY J301.14-2015 专用紧固件 小头内六角圆柱头螺钉······························297 紧固件机械性能和物理性能············

59、·············································· 298 螺栓/螺母配对使用表·

60、83;·················································

61、83;···········30 1 螺栓类1.1 GB/T 5782 六角头螺栓 (8.8级)代 码规格Fe/Cr (镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)Ct.O(发黑)不锈钢Fe/Zn/B(白锌)主 要 尺 寸规格M3M4M5M6M8M10M12S5.5-0.187-0.228-0.2210-0.2213-0.2716-0.2718-0.27b12141618222630K2±0.1252.8±0.1253.5±0.154±0.

62、155.3±0.156.4±0.187.5±0.18标记示例 标准代号为GB/T 5782的六角头螺栓, 螺纹规格d=10,公称长度L=80,性能等级8.8级,产品等级为A级,表面镀锌后彩虹铬酸盐处理,其标记为: GB/T 5782 六角头螺栓 M10×808.8彩锌。1.2 GB/T 5783 六角头螺栓 全螺纹(8.8级) 代 码规格无处理Fe/Cr(镀铬)Fe/Cr (镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)Ct.O(发黑)不锈钢主 要 尺 寸规格M3M4M5M6M8M10M12S5.5-0.187-0.228-0.2210-0.2213

63、-0.2716-0.2718-0.27K2±0.1252.8±0.1253.5±0.154±0.155.3±0.156.4±0.187.5±0.18标记示例 标准代号为GB/T 5783的六角头螺栓,全螺纹, 螺纹规格d=5, 公称长度L=20,性能等级8.8级,表面镀铬, 产品等级为A级, 其标记为: GB/T 5783 全螺纹六角头螺栓 M5×208.8镀铬。1.3 GB/T 5785 六角头螺栓细牙(8.8级)代 码规格Fe/Cr (镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)Ct.O(发黑)不锈钢Fe

64、/Zn/B(白锌)主 要 尺 寸规格M8×1M10×1M10×1.25M12×1.25M12×1.5S13-0.2716-0.2716-0.2718-0.2718-0.27b2226263030K5.3±0.156.4±0.186.4±0.187.5±0.187.5±0.18标记示例 标准代号为GB/T 5785的六角头螺栓,细牙, 螺纹规格d=M10×1.25, 公称长度L=40,性能等级8.8级, 表面化学氧化处理,黑色, 产品等级为A级,其标记为: GB/T 5785六角头螺栓

65、M10×1.25×50-8.8发黑。1.4 GB/T 5786 六角头螺栓细牙 全螺纹(8.8级)代 码规格Fe/Cr (镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)Ct.O(发黑)不锈钢Fe/Zn/B(白锌)M10×1.25×25M10×1.25×30M10×1.25×35M10×1.25×40M10×1.25×45M10×1.25×50主 要 尺 寸规格M10×1.25M12×1.25S16-0.4318-0.43L2630K

66、6.4±0.457.5±0.45主 要 尺 寸(小头)规格M10×1.25M12×1.25S14-0.27L30K6.4±0.18标记示例 标准代号为GB/T 5786的六角头螺栓,细牙,全螺纹 螺纹规格d=M10×1.25, 公称长度L=60,性能等级8.8级, 表面化学氧化处理,黑色, 产品等级为A级,其标记为: GB/T 5786 全螺纹六角头螺栓 M10×1.25×60-8.8发黑。1.5 GB/T 16674.1 六角法兰面螺栓小系列B级(8.8级)代 码规 格Fe/Cr (镀铬)Fe/Zn/C(彩锌)F

67、e/Zn/D(军绿)Ct.O(发黑)不锈钢Fe/Zn/B(白锌)M6×10M6×12 M6×16 M6×20 M6×25 M6×30M6×35 M6×40M6×45 M6×50M6×55M8×12M8×16 M8×20 M8×25 M8×30M8×35 M8×40 M8×45 M8×50 主 要 尺 寸规格M5M6M8M10M12S7-0.228-0.2210-0.2213-0.2715-0.27

68、b(ref)1618222630K(max)5.66.98.59.712.1Dw(max)11.413.61720.824.7标记示例 标准代号为GB/T 16674.1的六角法兰面螺栓小系列B级, 螺纹规格d=M6, 公称长度L=30,性能等级8.8级,表面镀铬, A或B型,其标记为: GB/T 16674.1 六角法兰面螺栓 M6×30-8.8镀铬。1.6 GB/T 5789 六角法兰面螺栓加大系列B级(8.8级)代 码规 格Fe/Cr(镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)Ct.O(发黑)不锈钢Fe/Zn/B(白锌)主 要 尺 寸规格M5M6M8M10M12S8-0

69、.2210-0.2213-0.2215-0.2718-0.27b(r)1618222630K(max)5.46.68.19.210.4Dw(max)11.814.21822.326.6Dw(max)加大152 螺钉类 2.1 GB/T 70.1 内六角圆柱头螺钉(8.8级)代 码规 格Fe/Cr Fe/Zn/CFe/Zn/DCt.O不锈钢Fe/Zn/BM6×12M6×16主 要 尺 寸规格M3M4M5M6M8M10S2.5+0.08+0.023+0.08+0.024+0.095+0.025+0.14+0.026+0.14+0.028+0.175+0.025K3-0.144-

70、0.185-0.186-0.38-0.3610-0.36dk5.5-0.287-0.228.5-0.2210-0.2213-0.2716-0.27标记示例 标准代号为GB/T 70.1 的内六角圆柱头螺钉, 螺纹规格d=M8, 公称长度L=40, 性能等级8.8级, 表面镀铬, 其标记为: GB/T 70.1 内六角圆柱头螺钉 M8×40-8.8镀铬。 2.2 GB/T 818 十字槽盘头螺钉(4.8级) 代 码规格Fe/Cr (镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)Ct.O(发黑)不锈钢Fe/Zn/B(白锌)M3×12 M3×16M3×25

71、M3×30 M4×8M4×10M4×12M4×16M4×20M4×25M4×30M4×40M5×10 M5×12M5×16M5×20M5×25M5×30M5×35M5×40M5×85M5×105M5×120M6×10M6×12M6×16M6×20M6×30M6×40M6×120主 要 尺 寸规格M3M4M5M6m34.44.96

72、.9K2.4-0.143.1-0.183.7-0.184.6-0.3dk5.6-0.38-0.369.5-0.3612-0.43标记示例 标准代号为GB/T 818 的十字槽盘头螺钉, 螺纹规格d=M6, 公称长度L=20, 性能等级4.8级, 表面镀铬, 其标记为: GB/T 818 十字槽盘头螺钉 M6×20镀铬。 2.3 GB/T 819.2 十字槽沉头螺钉(8.8级)代 码规格Fe/Cr (镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)Ct.O(发黑)不锈钢Fe/Zn/B(白锌)M3×5M4×10M4×12M4×16M4×

73、20M4×25M4×30M5×6 M5×8M5×10 M5×12M5×16M5×20M6×8M6×10M6×12M6×16M6×20M8×16M8×20M8×25主 要 尺 寸规格M3M4M5M6m3.24.65.26.8K(max)1.652.72.73.3dk5.5-0.38.4-0.369.3-0.3611.3-0.43标记示例 标准代号为GB/T 819.2 的十字槽沉头螺钉, 螺纹规格d=M6, 公称长度L=20, 性能等级8.8级, 材料为碳钢, 表面处理为镀锌钝彩,其标记为: GB/T 819.2 十字槽沉头螺钉 M6×20彩锌。2.4 GB/T 823 十字槽小盘头螺钉(4.8级)代 码规 格Fe/Cr (镀铬)Fe/Zn/C(彩锌)Fe/Zn/D(军绿)C

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