M

M meter 米
MACH machined 机加工、机制的
machine body机体
machined surface加工面
machining processes机加工工艺
main (front) view主(前)视图
major axis长轴
major diameter螺纹大径
manufacturing processes制造工艺
manufacturing tolerance制造公差
master drawing 样图
master gear标准齿轮
material材料
mating dimensions配合尺寸
mating member配合件
mating parts相配零件
mating part啮合(结合)部分
MATL material 材料
MAX maximum 最大、最高值
maximum contour height轮廓最大高度
maximum inclination line最大斜度线
maximum limit of size最大极限尺寸
MC machined 机械制造、机加工

measured feature被测要素
measuring device (tools)量具
mechanical drawing 机械制图
mechanical properties机械性能
meshing gear啮合齿轮
metal end旋入端
metal金属
metric taper thread米制锥螺纹
metric thread普通(公制)螺纹
MI miles 英里
middle stuffing中填料
mild steel软钢、冷轧钢
milling machine 铣床
MIN minimum 最小、最低值
minimum limit of size最小极限尺寸
minor axis短轴
minor diameter螺纹小径
mm or MM millimeter 毫米
model number序数、型号
module模数
monel metal铜镍合金
move edge活动钳身
moving jaw活动钳口
MPH miles per hour 每小时英里数
multi-start thread多线螺纹

N

name of part零件名称
nichrome metal镍铬合金
nickel plating镀镍
nitride渗氮、氮化
nitrogen case hardening渗氮硬化
NO. number 号码、数字
nomenclature名称、术语
nominal diameter公称直径
nominal size公称尺寸
non-ferrous metal有色金属
non-functional dimensions非功能尺寸
non-metal非金属

nonstandard screw非标准螺纹
normal series标准系列
normalizing正火
normal法线
note 注解
NTS not to scale 不按比例的
number of active coils有效圈数
number of end coils支承圈数
number of starts 螺纹线(头)数
number of teeth齿数
number of total coils总圈数
number数、号码(缩写)
numeral 数字
nut 螺母
nut end旋螺母端(露出端)
nylon尼龙

O

O/D outside diameter 外径、外形尺寸
oblique dimetric drawing斜二测图
oblique dimetric projection斜二测投影
oblique drawing斜轴测图
oblique projection斜投影
oblique pyramid斜棱锥
oblique view斜视图
octagon 正八边形
offset sectional view阶梯剖视图
oiler油杯
ordinal number序号
ordinary carbon steel普通碳素钢
orthogonal coordinates直角坐标(系)
orthographic drawing正投影图
orthograph正投影
out race外圈
outlet side出口端
outline assembly drawing外形装配图
outline drawing草图、外形图

outside caliper外卡尺(钳)
outside diameter外径
overall breadth总宽
overall dimension总体尺寸
overall height总高
overall length总长
oxidation氧化

P

P pitch 螺距、节距、周节
packing box填料函
packing felt毡垫(衬)
packing gland填料压盖
packing nut填料压盖螺母
packing set填料压紧套
parabola抛物线
parallel external pipe thread圆柱外管螺纹
parallel internal pipe thread圆柱内管螺纹
parallel key普通平键
parallel projection平行投影
parallelism平行度
parallelism平行性
parallel平行线
part number零件编号
part零件
PATT No. pattern number 型号、样(品)号
PC piece 零(部)件、毛坯
PCD pitch circle diameter 节圆直径
PD pitch diameter 螺纹中径
pencil 绘图铅笔
permanent fastener不可拆连接件
perpendicularity (squareness)垂直度
phantom line假想线
phantom section假想剖面
philips countersunk screw十字槽沉头螺钉
pictorial drawing立体图(画)

piece部件
piercing point贯穿点
pin 销
pin joint销连接
pinion主动(小齿)轮
pin销轴
pipe fittings管接头
pipe thread管螺纹
pitch circle 节圆线
pitch circle diameter节圆直径
pitch circle分度圆
pitch diameter螺纹中径
pitch point节点
pitch弹簧节距
PL plate 板、钢板
plain milling平铣
plan (top) view俯(平、顶)视图
plane of projection投影面
plastic塑料
plating电镀
plating镀覆
plough (plow) bolt防松螺栓
plug塞子
plunger pump柱塞泵
point angle钻头角
points on lines点在线上
point点
polishing抛光
politure or buff抛(擦)光
polygon 多边形
position error位置误差
powder (ed) metal粉末金属
power spring涡转弹簧
preferred fit优先配合
preferred numbers优先数
pressure angle压力角
press精(挤、冲)压
primary datum主要基准
principal view基本视图
principle of operation工作原

prism棱柱
process datum工艺基准
profile line侧平线
profile of a line线轮廓度
profile of a surface面轮廓度
profile plane (or W-plane)侧投影面
profile plane侧平面
projection line 投影线
pry bar杠杆
pump泵体
punch冲孔、冲床
pyramid棱锥
QTY quantity (数)量
quadrant iron方钢

Q

R or RAD radius 半径
radial bearing向心轴承
radial thrust bearing向心推力轴承
radius or radii 半径
RD HD round head 半球头、圆顶
reaming铰孔
recessed surface凹坑
rectangle 矩形
reduction scale 缩小比例
redundant dimension多余尺寸
reference line 参考(基准)线
reference point 参考点
regular hexagonal prism正六棱柱
regular hexagonal pyramid正六棱锥
regular pentagonal prism正五棱柱
regular pentagonal pyramid正五棱锥
regular triangular prism正三棱柱
regular triangular pyramid正三棱锥
reinforcement加固物
removed section移出断面

reposition复位
representation of drawings图样画法
retainer保持架、隔离圈
revolving旋向
RH right hand 右旋、右方向
rhombus 菱形
rib肋(筋、薄壁)板
right angle 直角
right cone 正圆锥
right cylinder 正圆柱
right hand-thread右旋螺纹
right hexagon 正六边形
right pentagon 正五边形
right square prism正四棱柱
right square pyramid正四棱锥
right triangle 直角三角形
right-hand side (end) view右(端)视图
riveted joint铆钉连接
Rochwell hardness洛氏(HRC)硬度
rolling bearing滚动轴承
rolling element 滚动体
root of thread螺纹牙底
rough milling粗铣
rough planning粗刨
rough turning粗车
round 外圆角
round bar or rod iron圆钢(铁)棒钢
round heads圆顶
roundness (circularity)圆度
row deep groove ball bearing 深沟球轴承
row thrust ball bearing推力球轴承
RPM revolutions per minute 每分钟转数
rubber粗纹锉刀
ruling 用尺(画线)
run-out line 过渡线
rustless (stainless) steel不锈钢

S

S’FACE spotface 锪平、切鱼眼坑
sand casting砂型铸造
sandblast喷砂
scale 比例
SCR screw (screwed) 螺丝、螺旋、
screw eye螺孔
screw joint螺钉连接
screw size螺纹规格
screw螺钉(杆、丝、旋)
SEC second (time) 秒
second quadrant第二象限
secondary datum辅助基准
SECT section 断(剖、截)面
section (wall) thickness壁厚
section iron型钢
section view剖视图
sectional assembly剖视装配图
semicircle 半圆
serrated锯齿状的
set screw 紧定螺钉
SH sheet 片、张
shaft-basis system of fits基轴制配合
shaft轴、杆状物
shank diameter未制螺纹杆身部分的直径
shaping machine planer牛头刨床
shaping刨削
shearer剪、剪床
sheathing nut套螺母
sheet metal金属板、薄钢板
shell fastness set轴瓦固定套
shock absorption减震
shoulder 轴肩
side (end) view or profile plan侧(端)视图
similar shapes类似形
simplified representation简化画法
single-star thread单线螺纹
60? sealing pipe thread 60?密封管螺纹
size 尺寸
size dimension 定形尺寸
skew or oblique plane倾斜面
slacken 放松
sleeve轴套
sliding (vernier) calipers游标卡尺
sliding bearing滑动轴承
slope or incline 斜度
slotted cheese head screw开槽圆柱头螺钉
slotted cone pointed set screw开槽锥端紧定螺钉
slotted countersunk screw开槽沉头螺钉
Slotted dog point set screw 开槽长圆柱端紧定螺钉
slotted nut开槽螺母
slotted pan head screw开槽盘头螺钉
slotted round head screw开槽球头螺钉
slot狭槽、沟、缝
small thread小螺纹
smooth turning光细车
socket cap screw外舌止动垫圈
spacer调整垫
SPEC specification 规格、说明
special thread特殊螺纹
SPHER R spherical radius 球半径
SPHEREφspherical diametr 球直径
sphere球体
spherica球形的 l
SPHERφ spherical diameter 球直径
spiral tap锥螺纹
spline花键、止转楔
spoke轮辐
spotface锪平(切鱼眼、刮平孔口处)
spotfacing tool 锪刀
spray coating喷涂
spray lacquer喷漆
spring (lock) washer弹簧垫圈
spring seat弹簧座
spring washer弹簧垫圈
spring弹簧
spur bevel gear直齿圆锥齿轮
spur gear直齿圆柱齿轮
spur pinion直齿小齿轮
spur rack齿条
SQ FT square foot 平方英尺
SQ IN square inch 平方英寸
SQ or ? or ? square 平面(方)的、矩形
square 方形
square lined paper 方格纸
square thread方形(矩形)螺纹
SR spherical radius 球半径
standard drawing sheet sizes标准图纸尺寸
standard screw标准螺纹
standard tolerance标准公差
STD standard 标准、规格
steel钢
STL steel 钢
STL CSTG steel casting 铸钢
straight knurling 直纹滚花
straight line直线
straight-line generatrix直母线
straightness直线度
straight-shank machine countersink直沉孔钻
stress concentration应力集中
stretched length弹簧丝展开长度
strong steel高强度钢
structural steel (iron)结构钢
stud joint螺柱连接
stud双头螺柱
stuffing or gasket material填料
stuffing spacer填料垫
subassembly drawing部件装配图
super fine grinding超级精细研磨
superposition solids叠加体
support支架
surface roughness表面粗糙度
surface texture (charcteristics)表面质量特征
surface treatment表面处理
SWG standard wire gauge 标准线规
symmetry line 对称线
symmetry对称
symmetry对称度
synthetic rubber合成橡胶

T

T- square 丁字尺
tangency point 切点
tangent切线
taper 锥度(形)
taper angle 锥角
taper external pipe thread圆锥外管螺纹
taper fit锥形体配合
taper internal pipe thread圆锥内管螺纹
taper pin 圆锥销
tapered roller bearing 圆锥滚子轴承
taper-shank countersink锥形沉孔钻
tapping 开螺纹孔、攻丝
tapping攻丝
tee groove (slot) T形槽
temper回火
ten-point height average不平度十点高度
THD thread 螺纹、螺丝
third angle第三角
third quadrant第三象限
thread 螺纹
thread angle螺纹角
thread chaser螺纹碾压
thread connection螺纹连接
thread end line螺纹终止线
thread engagement group-normal中旋合长度
thread number线数
thread pitch螺距
thread symbol螺纹符号
thread type螺纹式样
threaded fasteners螺纹连接(紧固件)
threaded rod螺杆
three dimensional space三维空间
three–projection drawing三面投影图
three-view drawing三视图
three-way union三通管接头
thrust bearing 推力轴承
thrust washer止推垫圈
tighten紧固
tin plating镀锡
title block标题栏

TOL tolerance 公差
tolerance grade symbol公差等级代号
tolerance on fit配合公差
tolerance symbols公差符号
tolerance zone尺寸公差带（公差带）
tolerance尺寸公差（公差）
tooth thickness齿厚
tooth width齿宽
top shell上轴瓦
torsion spring圆柱螺旋扭转弹簧
torus圆环
total depth齿高
total runout全跳动
TPI threads per inch 每英寸螺纹数
TR traced 描图
traces of plane平面的迹线
tracing paper 描图纸
transition fit过渡配合
transmission thread传动螺纹
trapezoid or trapezium 梯形
triangle 三角形
triangles 三角板
triangular thread三角形(V)螺纹
true angle实际夹角
true distance实际距离
true length实长
true position位置度
true shape实形
truncated right prism斜截正棱锥
tumble滚
turning车削
twist drill麻花钻

U

U'CUT undercut 退刀槽、根切

undercutting退刀(越程)槽.凹槽
unit零(部)件、组合件
upper deviation上偏差
upper limit上限(值)

V

valve core阀芯
valve cover阀盖
valve handle阀杆
valve seal阀封圈
valve阀体
vanishing of thread螺尾
vee block V形座(块)
vertex顶点
vertical line垂直线
vertical milling立铣
vertical plane垂直面
verticality垂直性
vice虎(台)钳
Vickers hardness维氏(HV)硬度
visibility test可见性判别
visible edges and outlines 可见轮廓线
V-perpendicular line正垂线
V-perpendicular plane正垂面

W

washer or spacer 垫圈(片)
wear-resistant metal耐磨金属
web肋(辐)板(条)
weld焊接
white metal白(铅锑锡)合金

WI wrought iron 熟铁、锻铁
width of space齿槽宽
wire diameter of spring线径
woodruff key半圆键
working drawing零件工作图
worm reduction gear蜗轮减速器
worm wheel蜗轮
worm蜗杆
W-perpendicular line侧垂线
W-perpendicular plane侧垂面

X

X-axis X轴

Y

Y-axis Y轴
yellow metal黄金、黄色金属

Z

Z-axis Z轴
zero line零线