[求助]冲小孔凸模和冲大孔凸模

tennight

麻烦请给出冲小孔凸模和冲大孔凸模的加工工艺流程 <br/>谢谢！<cd></cd>

狼之魂

[em02][em06]

，！。

<p>这个问题有点子奇怪啊!冲小孔?冲大孔?楼主意思是:</p><p>先冲大孔还是先冲小孔?</p><p>说清楚点吧</p>

yjx416

<p>工艺基本上是差不多的吧？</p>

yhq_20041202

<table class="MsoNormalTable" cellspacing="0" cellpadding="0" border="1" style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext;"><tbody><tr style="HEIGHT: 22.3pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes;"><td width="307" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 230.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 22.3pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">冲孔凸模（车、热、磨）<span lang="EN-US"><p></p></span></span></p></td></tr><tr style="mso-yfti-irow: 1; mso-yfti-lastrow: yes;"><td width="307" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 230.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 仿宋_GB2312;"><span style="mso-list: Ignore;">1、</span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">车：固定端外径及刃口端外径留<span lang="EN-US">0.6-0.7</span>余量，长度两端面留单面<span lang="EN-US">0.3</span>余量，余车成；<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 仿宋_GB2312;"><span style="mso-list: Ignore;">2、</span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">热：淬硬<span lang="EN-US">HRC58-62</span>，大端以下</span><span lang="EN-US" style="FONT-SIZE: 12pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 仿宋_GB2312;"><font face="Times New Roman">l</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;;">范围内</span><span lang="EN-US" style="FONT-SIZE: 12pt; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 仿宋_GB2312;"><font face="Times New Roman">HRC30-35</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">；<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 仿宋_GB2312;"><span style="mso-list: Ignore;">3、</span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">磨：刃口端外径粗磨留<span lang="EN-US">0.1-0.2</span>余量，固定端外径留<span lang="EN-US">0.2-0.3</span>余量；<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 仿宋_GB2312;"><span style="mso-list: Ignore;">4、</span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">磨：刃口端外径精磨至尺寸公差要求^{<span lang="EN-US">-0.01</span>}表面粗糙度^{<span lang="EN-US">0.4</span>}；<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 18pt; mso-char-indent-count: 1.5;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">固定端外径精磨至尺寸公差要求<span lang="EN-US">m5</span>，表面粗糙度^{<span lang="EN-US">0.8</span>}_，肩部抗平^{<span lang="EN-US">1.6</span>}。<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 仿宋_GB2312;"><span style="mso-list: Ignore;">5、</span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">磨：长度两端面装入固定板后一起磨成，达^{<span lang="EN-US">1.6</span>}。；<span lang="EN-US"><p></p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 18pt; mso-char-indent-count: 1.5;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 仿宋_GB2312; mso-bidi-font-size: 10.0pt;">注：特殊异形凸模按工艺要求加工，留工艺卡头，打中心孔。<span lang="EN-US"><p></p></span></span></p></td></tr></tbody></table>