[原创]冲压模设计与制造基础培训教材----吐血奉献-

520824

<p>整编了2个多月,没功劳有苦劳啊,你就这样下完后不顶顶???</p><p>我还在继续编写中..........</p><p>最完整的以后再传</p><br/>

520824

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24.1pt; LINE-HEIGHT: 150%; mso-char-indent-count: 1.0;"><font face="Times New Roman"><b><span style="FONT-SIZE: 24pt; COLOR: #4b4d4a; LINE-HEIGHT: 150%; FONT-FAMILY: 华文新魏; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;;">冲压模设计与制造基础培训教材</span></b><b><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: #4b4d4a; LINE-HEIGHT: 150%; mso-bidi-font-size: 11.5pt; mso-fareast-font-family: 华文新魏;"><p></p></span></b></font></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%;"><span lang="EN-US" style="FONT-SIZE: 11.5pt; COLOR: #4b4d4a; LINE-HEIGHT: 150%;"><p><font face="Times New Roman"></font></p></span></p><p><font face="Times New Roman"></font></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-SIZE: 12pt; COLOR: red; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">一、冲压变形理论基础：</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: red; mso-bidi-font-size: 11.5pt;"><p></p></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-SIZE: 12pt; COLOR: #4b4d4a; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">冲压成形是金属塑性成形加工方法之一，是建立在金属塑性变形理论基础上的材料成形工程技术。要掌握冷冲压成形加工技术，就必须具有金属塑性变形理论的基础知识。</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #4b4d4a; mso-bidi-font-size: 11.5pt;"><p></p></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">在金属材料中，原子之间作用着相当大的力，足以抵抗重力的作用，所以在没有其它外力作用的条件下，金属物体将保持自有的形状和尺寸。</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: blue; mso-bidi-font-size: 11.5pt;"><br/><strong><font face="Times New Roman">&nbsp;</font></strong></span></b><font face="Times New Roman"><strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;">&nbsp;</span></strong><strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: blue; mso-bidi-font-size: 11.5pt;"> </span></strong></font><b><span style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">弹性变形</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">-----</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">当物体受到外力作用之后，它的形状和尺寸将发生变化即变形，变形的实质就是原子间的距离产生变化。假如作用于物体的外力去除后，由外力引起的变形随之消失，物体能完全恢复自己的原始形状和尺寸，这样的变形称为弹性变形。</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: blue; mso-bidi-font-size: 11.5pt;"><br/><font face="Times New Roman">&nbsp;</font></span></b><strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">&nbsp; </font></span></strong><b><span style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">塑性变形</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">-----</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">如果作用于物体的外力去除后，物体并不能完全恢复自己的原始形状和尺寸，这样的变形称为塑性变形。塑性变形和弹性变形都是在变形体不破坏的条件下进行的（即连续性不破坏）</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: blue; mso-bidi-font-size: 11.5pt;"><br/><font face="Times New Roman">&nbsp;</font></span></b><strong><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">&nbsp; </font></span></strong><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">通常用塑性表示材料塑性变形能力。</span></b><b><i><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: blue; mso-bidi-font-size: 11.5pt;"><br/><strong><font face="Times New Roman">&nbsp;</font></strong></span></i></b><strong><i><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: red; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">&nbsp; </font></span></i></strong><b><span style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">塑性</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">-----</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">指固体材料在外力作用下发生永久变形而不破坏其完整性能力。金属的塑性不是固定不变的，影响它的因素很多，除了金属本身的晶格类型、化学成分和金相组织等内在因素之外，其外部因素</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">——</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">变形方式（机械因素即应力状态与应变状态）、变形条件（物理因素即变形温度与变形速度）的影响也很大。</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><p></p></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">）。</span></b><b><i><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #0080ff; mso-bidi-font-size: 11.5pt;"><br/><em><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></em></span></i></b><b><span style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">塑性指标</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">-----</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">是以材料开始破坏时的塑性变形量来表示，它可借助于各种实验方法测定。目前应用比较广泛的是拉伸试验，对应于拉伸试验的塑性指标，用延伸率</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">δ</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">和断面收缩率</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">ψ</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">表示。</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">δ</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">和</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">ψ</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">的数值由下式确定：</span></b><font face="Times New Roman"><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"> <br/>&nbsp; </span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: blue; mso-bidi-font-size: 11.5pt;">&nbsp;</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;">&nbsp;</span></b></font><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">需要指出，各种试验方法都是相对于特定的受力状况和变形条件的，由此所测定的塑性指标，仅具有相对的比较意义。</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><br/><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">变形力</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #5d5d5d; mso-bidi-font-size: 11.5pt;"><font face="Times New Roman">-----</font></span></b><b><span style="FONT-SIZE: 12pt; COLOR: #5d5d5d; FONT-FAMILY: 宋体; mso-bidi-font-size: 11.5pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">塑性变形时，使金属产生变形的外力称为变形力。</span></b><b><i><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: red; mso-bidi-font-size: 11.5pt;"><br/><strong><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></strong></span></i></b></p>

xyff2447

<p>楼主辛苦了！</p><p>可是这些内容太理论化了，个人认为要做一个好的模具工程师，不仅要有楼主提到的这些基本知识；更重要的是有没有实际经验，有没有触类旁通的能力，尤其是修配模具时的应变能力；再就是能否把握模具设计、制造中的细节。</p>[em04]

520824

<div class="msgheader">QUOTE:</div><div class="msgborder"><b>以下是引用<i>xyff2447</i>在2007-6-5 8:40:00的发言：</b><br/><p>楼主辛苦了！</p><p>可是这些内容太理论化了，个人认为要做一个好的模具工程师，不仅要有楼主提到的这些基本知识；更重要的是有没有实际经验，有没有触类旁通的能力，尤其是修配模具时的应变能力；再就是能否把握模具设计、制造中的细节。</p>[em04]</div><p>十分同意上楼的见解,现在就有很多学校刚出来的学生,学了3--5年,但困没学践经验,只能从学徒工做起,只拿600多元\月工资,真是欲哭无泪啊.想起拿几万元钱去学,现在肠子都悔青了.</p>

zxin89

好资料,建议如果里面有图面或模具结构图,可能效果会更好,楼主在后面可以把这个建议考虑进去

clcxxm

后续的呢？怎么没有了