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紧固件选用手册DOC
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/T9799-2011《金属及其他无机覆盖物钢铁上经过处理的锌电镀层》,其余按GB/T13911-2008《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20μm,镀铬层厚0.3μm;
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12μm以上;
2)电镀铬如不标注镀层厚度,则镀层总厚度应达到20μm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
00
01
02
03
04
05
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
01
02
03
04
05
00
螺栓类
GB/T5782
GB/T5783
GB/T5785
GB/T5786
GB/T16674.1
01
螺钉类
GB/T70.1
GB/T818
GB/T819.1
GB/T823
GB/T845
02
螺母类
GB/T802.1
GB/T889.1
GB/T889.2
GB/T6170
GB/T6171
03
垫圈类
GB/T93
GB/T95
GB/T96.2
GB/T848
GB/T5287
04
销轴类
GB/T91
GB/T879.2
05
企标件类
Q/DYJ301.1
Q/DYJ301.2
Q/DYJ301.3
Q/DYJ301.4
Q/DYJ301.5
表2(续)
代码
大类
小类及代码
06
07
08
09
10
00
螺栓类
GB/T5789
01
螺钉类
QC/T602尖端
GB/T70.2
GB/T846
GB/T13806.2
QC/T602平端
02
螺母类
GB/T6187.1
GB/T6187.2
GB/T923
03
垫圈类
GB/T97.1
GB/T96.1
04
销轴类
05
企标件类
Q/DYJ301.6
Q/DYJ301.7
Q/DYJ301.8
Q/DYJ301.9
Q/DYJ301.10
表2(续)
代码
大类
小类及代码
11
12
13
14
00
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/DYJ301.11
Q/DYJ301.12
Q/DYJ301.13
Q/DYJ301.14
3)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
10
11
12
13
14
螺纹规格
M10×1
M10×1.25
M12×1.25
M12×1.5
M14×1.5
c)自攻螺钉的直径规格按表4规定。
表4
代码
02
03
04
05
直径规格
ST2.9
ST3.5
ST3.9企标
ST4.2
ST4.8
d)开口销的直径规格按表5规定。
表5
代码
01
02
03
04
05
直径规格
1.6
2.0
2.5
3.2
4
4)长度规格
a)一般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
006
009
长度规格
6.5
9.5
5)表面特征代码
表面特征代码见表7。
表7
代码
1
2
3
4
5
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
6
7
8
9
0
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)
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
02
03
04
05
直径规格
ST2.2
ST2.6
ST2.9
ST3.3
ST3.5
ST3.9
ST4.2
ST4.8
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
1.1GB/T5782六角头螺栓(8.8级)·····················································1
1.2GB/T5783六角头螺栓全螺纹(8.8级)···············································1
1.3GB/T5785六角头螺栓—细牙(8.8级)·················································2
1.4GB/T5786六角头螺栓—细牙全螺纹(8.8级)·········································2
1.5GB/T16674.1六角法兰面螺栓—小系列(8.8级)·······································3
1.6GB/T5789六角法兰面螺栓—小系列(8.8级)·········································4
2螺钉类
2.1GB/T70.1内六角圆柱头螺钉(8.8级)················································5
2.2GB/T818十字槽盘头螺钉(4.8级)···················································5
2.3GB/T819.1十字槽沉头螺钉(4.8级)···············································6
2.4GB/T823十字槽小盘头螺钉(4.8级)················································8
2.5GB/T845十字槽盘头自攻螺钉······················································8
2.6QC/T602十字槽大半圆头自攻螺钉··················································9
2.7GB/T70.2内六角平圆头螺钉·······················································10
2.8空行··············································································11
2.9GB/T13806.2十字槽盘头自攻螺钉刮削端··········································11
3螺母类
3.1GB/T802.1组合式盖形螺母·······················································11
3.2GB/T889.1Ⅰ型非金属嵌件六角锁紧螺母············································12
3.3GB/T889.2Ⅰ型非金属嵌件六角锁紧螺母—细牙······································13
3.4GB/T61701型六角螺母···························································13
3.5GB/T61711型六角螺母—细牙······················································14
3.6空行··············································································14
3.7空行··············································································14
3.8GB/T6187.1全金属六角法兰面锁紧螺母·············································15
3.9GB/T6187.2全金属六角法兰面锁紧螺母—细牙······································15
3.10GB/T923六角盖形螺母—细牙··················································16
4垫圈类
4.1GB/T93标准型弹簧垫圈··························································16
4.2GB/T95平垫圈C级·····························································17
4.3GB/T96.2大垫圈C级···························································17
4.4GB/T848小垫圈A级···························································18
4.5GB/T5287特大垫圈·······························································19
5销轴类
5.1GB/T91开口销····································································19
5.2GB/T879.2弹性圆柱销直槽轻型·················································20
5.3GB/T882销轴·····································································20
6企标类
6.1Q/DYJ301.1-2015专用紧固件方向把固定螺栓······································21
6.2Q/DYJ301.2-2015专用紧固件鼓式制动器固定螺栓··································21
6.3Q/DYJ301.3-2015专用紧固件刹把固定螺栓········································22
6.4Q/DYJ301.4-2015专用紧固件碟刹盘固定螺栓······································22
6.5Q/DYJ301.5-2015专用紧固件单撑固定螺栓········································23
6.6Q/DYJ301.6-2015专用紧固件前轮轴··············································24
6.7Q/DYJ301.7-2015专用紧固件后平叉轴············································25
6.8Q/DYJ301.8-2015专用紧固件十字槽大扁头螺钉····································26
6.9Q/DYJ301.9-2015专用紧固件公制螺纹卡片······································26
6.10Q/DYJ301.10-2015专用紧固件自攻卡片··········································27
6.11Q/DYJ301.11-2015专用紧固件鞍形垫圈··········································27
6.12Q/DYJ301.12-2015专用紧固件六角法兰面承面带齿螺母···························28
6.13Q/DYJ301.13-2015专用紧固件六角法兰面承面带齿螺母—细牙······················28
6.14Q/DYJ301.14-2015专用紧固件小头内六角圆柱头螺钉······························29
7紧固件机械性能和物理性能··························································29
8螺栓/螺母配对使用表·······························································30
1螺栓类
1.1GB/T5782六角头螺栓(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
M3
M4
M5
M6
M8
M10
M12
S
5.5-0.18
7-0.22
8-0.22
10-0.22
13-0.27
16-0.27
18-0.27
b
12
14
16
18
22
26
30
K
2±0.125
2.8±0.125
3.5±0.15
4±0.15
5.3±0.15
6.4±0.18
7.5±0.18
标记示例
标准代号为GB/T5782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/T5782六角头螺栓M10×80-8.8彩锌。
1.2GB/T5783六角头螺栓全螺纹(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
M3
M4
M5
M6
M8
M10
M12
S
5.5-0.18
7-0.22
8-0.22
10-0.22
13-0.27
16-0.27
18-0.27
K
2±0.125
2.8±0.125
3.5±0.15
4±0.15
5.3±0.15
6.4±0.18
7.5±0.18
标记示例
标准代号为GB/T5783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/T5783全螺纹六角头螺栓M5×20-8.8镀铬。
1.3GB/T5785六角头螺栓—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/Zn/B(白锌)
主要尺寸
规格
M8×1
M10×1
M10×1.25
M12×1.25
M12×1.5
S
13-0.27
16-0.27
16-0.27
18-0.27
18-0.27
b
22
26
26
30
30
K
5.3±0.15
6.4±0.18
6.4±0.18
7.5±0.18
7.5±0.18
标记示例
标准代号为GB/T5785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/T5785六角头螺栓M10×1.25×50-8.8发黑。
1.4GB/T5786六角头螺栓—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)
M10×1.25×25
○
M10×1.25×30
○
M10×1.25×35
○
M10×1.25×40
○
M10×1.25×45
○
M10×1.25×50
○
主要尺寸
规格
M10×1.25
M12×1.25
S
16-0.43
18-0.43
L
26
30
K
6.4±0.45
7.5±0.45
主要尺寸(小头)
规格
M10×1.25
M12×1.25
S
14-0.27
L
30
K
6.4±0.18
标记示例
标准代号为GB/T5786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/T5786全螺纹六角头螺栓M10×1.25×60-8.8发黑。
1.5GB/T16674.1六角法兰面螺栓—小系列—B级(8.8级)
代码
规格
Fe/Cr(镀铬)
Fe/Zn/C(彩锌)
Fe/Zn/D(军绿)
Ct.O(发黑)
不锈钢
Fe/Zn/B(白锌)
M6×10
○
M6×12
○
M6×16
○
○
M6×20
○
M6×25
○
M6×30
○
M6×35
○
M6×40
○
M6×45
○
M6×50
○
M6×55
○
M8×12
○
M8×16
○
M8×20
○
M8×25
○
M8×30
○
M8×35
○
M8×40
○
M8×45
○
M8×50
○
主要尺寸
规格
M5
M6
M8
M10
M12
S
7-0.22
8-0.22
10-0.22
13-0.27
15-0.27
b(ref)
16
18
22
26
30
K(max)
5.6
6.9
8.5
9.7
12.1
Dw(max)
11.4
13.6
17
20.8
24.7
标记示例
标准代号为GB/T16674.1的六角法兰面螺栓—小系列—B级,螺纹规格d=M