鈑金現(xiàn)場(chǎng)作業(yè)指導(dǎo)書

1、目錄前言前言1、目的、目的....................................................12、適用范圍、適用范圍................................................13、工藝審核、工藝審核................................................13.1工藝審核總則.........................

2、................13.2圖面規(guī)范性..........................................23.3尺寸和公差...........................................23.4裝配圖...............................................23.5鈑金加工工藝.....................................

3、...23.5.1鈑金加工基本流程及主要加工工藝....................23.5.2鈑金加工工序.....................................33.5.2.1沖裁與下料.....................................33.5.2.2折彎...........................................43.5.2.3拉伸與成型...........

4、..........................73.5.2.4壓鉚和漲鉚....................................103.5.2.5攻絲（直接攻絲）................................113.5.2.6螺釘過孔與沉孔................................123.5.2.7鈑金焊接...................................

5、...133.6開模件.............................................133.7表面處理............................................143.7.1幾種常見的表面處理...............................14圖面表達(dá)按照基礎(chǔ)部編寫的“PROE圖紙規(guī)范”和“技術(shù)制圖規(guī)范”執(zhí)行。3.33.3尺寸和公差尺寸和公差1.重要尺寸應(yīng)完整、正確

6、、清晰；2.尺寸基準(zhǔn)選擇既要考慮設(shè)計(jì)要求、又要考慮加工定位和測(cè)量檢驗(yàn)的要求；3.有裝配要求的兩個(gè)零件的配合尺寸應(yīng)有公差要求；4.配合選擇應(yīng)合理，優(yōu)先選用基孔制，盡量選用優(yōu)先配合和常用配合；5.公差等級(jí)選擇應(yīng)適當(dāng)；6.形位公差選擇應(yīng)合理、適當(dāng)；7.未注尺寸公差和未注形位公差的使用按信息平臺(tái)設(shè)計(jì)規(guī)范技術(shù)規(guī)“未注尺寸公差技術(shù)規(guī)范”和“未注形位公差技術(shù)規(guī)范”執(zhí)行。3.43.4裝配圖裝配圖1.各零件組裝是否方便，安裝方法是否過于復(fù)雜，可否有更簡(jiǎn)便