《连接器的位置度平和面度》由会员分享，可在线阅读，更多相关《连接器的位置度平和面度（53页珍藏版）》请在金锄头文库上搜索。
1、 1 1Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.目 錄一提高認識達成統一二公差基礎知識三位置度的定義標注及測量 四平面度的定義設計檢測及制程分析Evaluation only.Ev
2、aluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.一提高認識達成統一在連接器中位置度平面度既是重點又 是難點。目前D/T工程部品保部以及台北就位 置度平面度的標注與測量尚未達成統一認識。 以MINI PCI 4.0H客戶圖為例
3、從8月9日至8月29 日D/T與台北來回發了十多次電子郵件其中 討論的一個重點就是位置度的標注。在總結實踐 經驗的基礎上現制作此報告希望能有助于提 高大家對位置度平面度的理解。BACKEvaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 200
4、4-2011 Aspose Pty Ltd.二公差基礎知識(一) 公差實際尺寸相對理論尺寸的允許變化範 圍。當用實際尺寸減去理論尺寸時如果所得差 值在公差允許範圍之內則該尺寸合格。例如 30.000.05如果實際測得尺寸為30.03則 30.03-30.00=0.03在-0.050.05範圍之內故該尺 寸合格。公差定義是公差標注和測量的依據。 小知識概念是判斷和推理的基礎和出發點。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created wit
5、h Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識(二)基准為計算或參考的目的設定一實體上 的點線平面柱軸等是精確的根據它 們工件上其他形狀的位置和几何關系才得以確 立。基准表面基准形體都是用以建立基准的真 實工件表面或形體故它們仍有著表面或形體不 精密的地方。 符號-A-小經驗基准就像是物理上的參照物。Evaluation only.Evaluation only. Created w
6、ith Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識基准符號形位公差符號的放置 1尺寸的下面Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profi
7、le 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識基准符號形位公差符號的放置 2形體的延長線 3尺寸的延長線尺寸線的延長 線形體的延長線Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created w
8、ith Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識(三）公差的分類 1尺寸公差控制形體大小 2形狀公差包括直線度平面度圓度 圓柱度線輪廓度曲面輪廓度 3位置公差包括定位公差（位置度對稱 度同心度）定向公差（傾斜度平 行度垂直度）跳動公差（圓跳動 全跳動）Evaluation only.Evaluation only. Created with Aspose.Slides for .N
9、ET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識（四）公差帶限制实际要素变动的区域。公差帶 采用圖解的方式形象地描述公差。 （五）公差原则定義尺寸公差與形位公差的關系1.独立原则图样上给定的形位公差与尺寸公 差无关分别满足功能要求的公差原则。此原则 是形位公差与尺寸公差相互关系的基本原则。Evaluati
10、on only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識2.相关原则2-1.最大实体原则测量时取被测要素的最大实 体的公差原则如下图所示左图为尺寸标注 右图为实际测量时的取值Evaluation o
11、nly.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識2-2.最小实体原则测量时取被测要素的最小 实体的公差原则Evaluation only.Evaluation only. Created with
12、Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識2-3.包容原则使实际要素處處位于理想形状 的包容面之内的公差原则。应用包容原则时其 形位公差数值随着实际形体尺寸的变化而变化。以0.6 B-T-B CONN W/POST 40P(M)的孔规设 计为例其端子公差如下所
13、示Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識由端子的尺寸公差和位置度公差可知端子允许的 变动范围是以其理论位置为中心对称的0.32的包容面 之内因此设计孔规时公差如下设
14、计 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識Evaluation only.Evaluation only. Created with Aspose.Slides f
15、or .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識其公差带图如下所示Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose
16、.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二公差基礎知識当尺寸公差为-0.02即尺寸为0.28时其位 置度公差是0.04而当其尺寸公差为0.02即 尺寸为0.32时其位置度公差是0。总之该孔 的实际轮廓总是位于以理论位置为中心对称的 0.32的包容面之内。 BACKEvaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Prof
