文档介绍：Types of screw fasteners
螺纹紧固件的种类
Symbols of screw fasteners
螺纹紧固件的标记
Drawing methods of assemblies of screw fasteners
螺纹紧固件的装配画法
Exercises
练习题
Screw Fasteners
螺纹紧固件
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Slotted cone pointed set screw. Hex nut. Slotted nut . Bright washer. Spring washer. Tab washer
锥端紧定螺钉六角螺母六角槽形螺母平垫圈弹簧垫圈外舌止动垫圈
Hexagon head bolt. Stud. Slotted cheese head screw. Slotted pan head screw. Slotted countersunk screw. Hexagon socket cap
六角头螺钉双头螺柱头圆柱头螺钉盘头螺钉沉头螺钉圆柱头内六角螺钉
Types of screw fasteners 螺纹紧固件的种类
Parts with threads used for joining and fastening are called screw fasteners. The most widely ponents as screw fasteners are bolts, double screw bolts, screws, nuts, washers
用螺纹联接并起紧固作用的零件称为螺纹紧固件。常用的螺纹紧固件有螺栓、双头螺柱、螺钉、螺母、垫圈等。
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Symbols of screw fasteners 螺纹紧固件的标记
(表示:拧入端为粗牙普通螺纹,露出端为螺距
P=1mm的细牙普通螺纹,d=10mm, l=50mm,bm=1d,按A型制造的双头螺柱)
指与其相配的螺纹件的大径
而不是该垫圈本身的尺寸值
Omit
可省略标注
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(表示: 螺纹规格M6,公称长度l=30mm的A级六角头螺栓)
(表示:两端均为粗牙普通螺纹,d=8mm, l=30mm,按B型制造)
(表示: 螺纹规格M5, l=45mm的开槽圆柱头螺钉)
(表示: 螺纹规格 D=M8 的A级1 型六角螺母)
(表示:用于螺纹规格M6的平垫圈,性能等级为140HV)
垫圈 GB/ 6 140HV
螺栓 GB/ T5782 M6×30
螺柱 GB/T897 M8×30
螺柱 GB/ T897 AM10-M10×1×50
螺钉GB/ T65 M5×45
5. Nut 螺母 GB/ T6170 86 M8
Name Standard
number
名称国标号
Style Specification, Other requirements
precision of the appearance
and the dimension
型式规格、精度其他尺寸要求
Surface
treatment
表面
处理
Degree of
capability;
material and
heat treatment
Bolt
Stud
Screw
Nut
Washer
Number of National Standard
GB编号
及年代
Type symbol Nominal diameter ×Pitch × l
特征代号· 公称直径×螺距×公称长度l
(M 、S 、Tr 、B) (粗牙省细牙注)
(3)The simplified representation.
按比例关系简化画出。
(2)Stud Joint 双头螺柱联接
Drawing methods of assemblies of screw fasteners
螺纹紧固件的装配画法
1. Frequent joining methods 常见联接型式
(1)Bolt Joint 螺栓联接
(3)Screw Joint 螺钉联接
Representation
常见画法
(1)The trim size representation.
按实际尺寸和形状画出;
(2)The proportional representation.
按比例关系完整画出;
Drawing method 画图方法
Drawing met