[求助]热扎板（SPHC）冲裁间隙放多少？

Mould5920

<p><font size="5">请教各位长兄：</font></p><p><font size="5">厚为2.0mm的热扎板（SPHC）冲裁间隙单边要放多少？</font></p><p><font size="5">产品外形尺寸正负0.025mm能否做得到？</font></p><p><font size="5">冲子及凹模分别要用什么材料？</font></p><p><font size="5">望赐教，谢谢！</font></p>

LIAOYAO

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="ZH-CN" style="FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN;">依抗拉强度决定；或依硬度做参考。注意表皮硬化层的问题。单边间隙可用</span><font face="細明體"><span lang="EN-US" style="mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;">8%~15%</span><span lang="EN-US" style="mso-fareast-font-family: 新細明體;"> </span></font><span lang="ZH-CN" style="FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN;">。</span><font face="細明體"><span lang="ZH-CN" style="mso-fareast-font-family: 新細明體;"> </span><span lang="EN-US" style="mso-fareast-font-family: 新細明體;"><p></p></span></font></p><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">产品厚为</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 細明體; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: SimSun;">2.0mm</span><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">外形尺寸正负</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 細明體; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: SimSun;">0.025mm</span><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">，是看你的工艺安排，没有图不好说。</span>

天工

用精冲可达到正负0.025.

cslelch1

<div class="msgheader">QUOTE:</div><div class="msgborder"><b>以下是引用<i>LIAOYAO</i>在2006-5-22 11:13:00的发言：</b><br/><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="ZH-CN" style="FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN;">依抗拉强度决定；或依硬度做参考。注意表皮硬化层的问题。单边间隙可用</span><font face="細明體"><span lang="EN-US" style="mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;">8%~15%</span><span lang="EN-US" style="mso-fareast-font-family: 新細明體;"> </span></font><span lang="ZH-CN" style="FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN;">。</span><font face="細明體"><span lang="ZH-CN" style="mso-fareast-font-family: 新細明體;"> </span><span lang="EN-US" style="mso-fareast-font-family: 新細明體;"><p></p></span></font></p><p></p><p></p><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">产品厚为</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 細明體; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">2.0mm</span><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">外形尺寸正负</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 細明體; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">0.025mm</span><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">，是看你的工艺安排，没有图不好说。</span></div><p>&nbsp;單邊間隙<span lang="EN-US" style="mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;"><font face="細明體">8%~15%太大了吧，SPHC應該是黑鐵皮，我之前設計時是按照普通的冷軋板的間隙去做的。</font></span> </p><p><span lang="EN-US" style="mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun;"><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">产品厚为</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 細明體; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">2.0mm</span><span lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: SimSun; mso-ascii-font-family: 細明體; mso-hansi-font-family: 細明體; mso-fareast-language: ZH-CN; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">外形尺寸正负</span><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 細明體; mso-fareast-language: ZH-CN; mso-fareast-font-family: SimSun; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;">0.025mm，要做成精沖了</span></span></p>

wfw00

<p>是有点大啊</p>

cslelch1

手頭上正做一個5.0厚的sphc材質。開始用了雙邊0.5的間隙，沖出來很難看，現在改為雙邊0.4的間隙，還沒試，OK了再告訴大家。

xuwenhui_83

我做了一个6mm单边间0.15mm冲出没塌角

wzuxiang

冲载间隙为厚度5%.

hgao137

<p>不知零件有没有其他技术要求。</p><p>建议用单边间隙用0.06mm。另考虑模具的制造公差。</p><p>材料用高速钢等钨合金材料。</p>

[此贴子已经被作者于2006-7-16 21:37:34编辑过]

685700

5%就可以了,我常做

神功飞扬

<p>&nbsp;&nbsp;&nbsp; 单边间隙0.10-0.12mm</p><p>&nbsp;&nbsp;&nbsp; 凸模 T8 T10 或Cr12MoV&nbsp; 热处理HRC60-63</p><p>&nbsp;&nbsp;&nbsp; 凹模T8 T10既可&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 热处理HRC57-60</p>