機(jī)械英語Unit 5_59160

1、graphical language圖形語言engineering graphics工程圖學(xué)computer graphics計(jì)算機(jī)圖形學(xué)nomography圖解構(gòu)成術(shù)orthographic representation (projection)正式表示法 / 正投影法front / top / side / auxiliary / oblique views主視圖 / 俯視圖 / 側(cè)視圖 / 輔助視圖 / 斜視圖pictorial views示圖types of lines線型dimensions尺寸lettered notes文字標(biāo)注sectional views剖視圖symbols符號(hào)

2、mechanical drawing機(jī)械制圖sketch草圖final drawing定稿圖樣tracing paper描圖紙cloth布mylar film聚酯薄膜blueprinting曬藍(lán)圖ammonia-developed (diazo) printing氨水顯影(重氮)曬圖lithography平板印刷section drawing剖面圖interior detail內(nèi)部細(xì)節(jié)cutting-plane symbol剖面符號(hào)section-lining剖面線cross-hatching斷面線revolved / rotated / broken-out section旋轉(zhuǎn) / 轉(zhuǎn)動(dòng) /

3、 切面視圖flat surface平面knurl滾花fabricate parts零部件dimension lines尺寸線outlines of the object物體輪廓線leaders引出線foot英尺inch英寸metric dimensioning米制尺寸working types of drawing施工型圖inclined lowercase斜體小字母vertical uppercase垂直的大寫字母fraction分?jǐn)?shù)common fraction普通分?jǐn)?shù)decimal fraction小數(shù)upper / lower limit上 / 下極限tolerance公差layout

4、 drawing布局圖plant layout drawing工廠布局圖work area 工作區(qū)aisle過道glass cloth玻璃纖維織物glass negative玻璃底片photo templates照片模板photosensitized metal 感光金屬preliminary assembly 初裝圖assembly drawing裝配圖working drawing施工圖detail drawing詳圖pertinent information相關(guān)信息parts list零件明細(xì)表schematic drawing示意圖diagrammatic drawing草圖direc

5、tion of flow流向additional information輔助信息electrical component電氣零件etched-circuit drawing印刷電路圖structural drawing結(jié)構(gòu)圖terminology術(shù)語dimensioning technique尺寸標(biāo)注法 Oral language Body language Facial expression Writing Etc. Engineering drawing: is a graphical language used by engineers and other technical perso

6、nnel associated with the engineering profession. Purpose: engineering drawing is to convey graphically the ideas and information necessary for the construction or analysis of machines, structures, or systems. Engineering Drawing in schools Engineering Graphics sometimes include other topics: compute

7、r graphics nomography Such method is the basis of engineering drawing. front view top view Objects side view combo auxiliary view oblique view at times - pictorial views various types of lines dimensions lettered notes planned sectional views checked symbols freehand sketches final drawings on traci

8、ng paper / cloth / Mylar film blueprinting ammonia-developed (diazo) printing lithography Function: show the complicated interior detail cant show by front, top etc. views Features: 1. cutting plane symbols - show where imaginary cutting planes are passed to produce the sections 2. section-lining /

9、cross-hatching - appears in the section view on all portions that have been in contact with the cutting plane Functions: making sure the sizes describing the shape of objects; showing dimensions of drawings. Purpose: manufacturing suitable parts workers can build the structure or fabricate parts tha

10、t will fit together Method: lines + numbers placing the required values along dimension lines (usually outside the outlines of the object) and by giving additional information in the form of notes which referenced to the parts in question by angled lines called leaders. different drawings - differen

11、t purposes plant layout drawing: 1. outline of the building, work areas etc. 2. are drawn to scale aircraft / master layout: 1. is drawn on glass cloth / aluminum sheets 2. the object is drawn to full size with extreme accuracy preliminary assembly / design layout: establish the position and clearance of p