gankingdom 发表于 2006-8-17 19:59:07

冷冲模的试冲与调整

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 16pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冷冲模的试冲与调整</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 16pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冲模装配后,必须要通过试冲对制件的质量和模具的性能进行综合考查与检测。对试冲中出现的各种问题应作全面、认真的分析。找出其产生的原因.并对冲模进行适当的调整与修正,以得到合格的制品零件。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一、冲模试冲与调整的目的</SPAN><SPAN lang=EN-US><o:p></o:p></SPAN></B></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT size=3>冲模的试冲与调整简称调试。其调试的目的主要在于:</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.5pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.鉴定制件和模具的质量</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在模具生产中.试模的主要目的是确定制品零件的质量和模具的使用性能好坏。这是由于制品零件从设计到批量生产需经过产品设计、工艺设计、模具设计、模具零件加工、模具组装等若干工艺过程。在这些过程中,任何一项的工作失误,都会引起模具性能不佳和难以生产出合格的制品零件来。因此,冲模组装后,必须首先经过在生产条件下的试冲,并根据试冲后的成品,按制品零件设计图.检查其质量和尺寸是否符合图样规定的要求,其所制造的模具动作是否合理可靠。根据试冲时出现的问题,分析产生的原因,并设法加以修正,使所制造的模具不仅能生产出合格的零件,而且能安全稳定地投人生产使用。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.确定制品的成形条件</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冲模经过试冲制出合格样品后,可在试冲中掌握模具的使用性能、制品零件的成形条件、方法及规律,从而可对模具能成批生产制品时的工艺规程制定提供可靠的依据。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.确定成形零件制品的毛坯形状、尺小及用料标准</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在冷冲模生产中,有些形状复杂或精度要求较高的弯曲、拉深、成形、冷挤压等制品零件.很难在设计时精确地计算出变形前的毛坯尺小和形状。为了能得到较准确的毛坯形状和尺小及用料标准,只有通过反复的调试模具后,使之制出合格的零件才能确定。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>4</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.确定工艺设计、模具设计中的某些设计尺寸</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">对于一些在模具设计和工艺设计中,难以用计算方法确定的工艺尺寸,如拉深模的复杂凸、凹模圆角、某些部位几何形状和尺寸,必须边试冲,边修整,直到冲出合格零件后,此部位形状和尺寸方能最后确定。通过调试后将暴露出来的有关工艺、模具设计与制造等问题,连同调试情况和解决措施一并反馈给有关设计及工艺部门,以供下次设计和制造时参考,提高模具设计和加工水平。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">然后,验证模具的质量和精度,以做为交付生产使用的依据。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21.1pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.55pt"><FONT size=3><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">二</SPAN><FONT face="Times New Roman"> </FONT></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冲模调试的内容与要求</SPAN><SPAN lang=EN-US><o:p></o:p></SPAN></B></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>(</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冲模调试的主要内容</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冷冲模在调试过程中,主要应包括如下内容:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>1)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">将装配后的冲模能顺利地装在指定的压力机上。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>2)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">用指定的坯料,能稳定地在模具上顺利地制出合格的制品零件来。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>3)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">检查成品零件的质量,是否符合制品零件图样要求。若发现制品零件存有缺陷,应分折其产生缺陷的原因,并设法对冲模进行修正和调试,直到能生产出一批完全符合图样要求的零件为止。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>4)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">根据设计要求,进—步确定出某些模具经试验后所决定的形状和尺寸,并修整这些尺寸,直到符合要求。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>5)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">经试模后,为工艺部门提供编制模具生产批量制品的工艺规程的依据。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>6)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在试模时,应排除影响生产、安全、质量和操作等各种不利因素,使模具能达到稳定、批量生产的目的。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: -5.25pt; mso-char-indent-count: -.5; mso-char-indent-size: 10.5pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(二)冲模调试的要求</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冷冲模在调试时,应按下述要求进行:</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.冲模的外观要求</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">冲模在试模前,要经外观和空载检验合格后才能进行安装,在机床上试模,其检验方法,应按冲模技术条件对外观的技术要求进行全面检验。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.试模材料的要求</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"><FONT face="Times New Roman">&nbsp;&nbsp;&nbsp; </FONT></SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在试模前,被冲材料必须要经过质检部门检验,并符合技术协议</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">(</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">供货合同</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的规定要求,尽可能不采用代用材料。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">.试冲设备要求</SPAN></FONT></P><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">试模时所采用的设备,必须符合工艺规定,其设备(压力机</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">)</SPAN><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">吨位、精度等级,必须要符合工艺要求。</SPAN>

追风 发表于 2006-9-28 15:36:20

Re: 冷冲模的试冲与调整

呵呵,新手必备

szsszs 发表于 2006-9-28 16:26:54

Re: 冷冲模的试冲与调整

太感谢了!!

浣溪沙 发表于 2007-3-13 22:57:28

Re: 冷冲模的试冲与调整

新手学习的好资料
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