[转帖]软橡胶的切削

chenwei005

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 26pt; mso-line-height-rule: exactly;"><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';">软橡胶的切削：</span><span lang="EN-US"><p></p></span></b></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 26pt; mso-line-height-rule: exactly;"><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';">软橡胶的硬度</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';">邵尔</span><span lang="EN-US"><font face="Times New Roman">A</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">型</span><span lang="EN-US"><font face="Times New Roman">30</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">35)</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">和强度</span><font face="Times New Roman"><span lang="EN-US">(</span><span style="FONT-FAMILY: PMingLiU; mso-hansi-font-family: PMingLiU;">σ<span lang="EN-US">b</span></span><span lang="EN-US"> 20</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">25 MPa)</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">极低，导热性极差</span><span lang="EN-US"><font face="Times New Roman">(0.14W/m?k)</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、塑性极高</span><font face="Times New Roman"><span lang="EN-US">(</span><span style="FONT-FAMILY: PMingLiU; mso-hansi-font-family: PMingLiU;">δ</span><span lang="EN-US">=500</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">700)</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、弹性模量极小</span><span lang="EN-US"><font face="Times New Roman">(2</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">4 MPa)</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">。由于上述性能，它具有很好的弹性、柔顺性和易变性，因此很难对它进行切削加工。</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 26pt; mso-line-height-rule: exactly;"><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';">①刀具材料：高速钢、</span><span lang="EN-US"><font face="Times New Roman">YG</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">类硬质合金。</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 26pt; mso-line-height-rule: exactly;"><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';">②刀具几何参数：</span><font face="Times New Roman"><span lang="EN-US"><span style="mso-spacerun: yes;">&nbsp; </span></span><span style="FONT-FAMILY: PMingLiU; mso-hansi-font-family: PMingLiU;">γ</span><span lang="EN-US">0=45</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">55</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">°，</span><font face="Times New Roman"><span lang="EN-US"><span style="mso-spacerun: yes;">&nbsp; </span></span><span style="FONT-FAMILY: Gungsuh;">α</span><span lang="EN-US"> 0=10</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">15</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">°，</span><font face="Times New Roman"><span style="FONT-FAMILY: PMingLiU; mso-hansi-font-family: PMingLiU;">β</span><span lang="EN-US">0=20</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">30</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">°；刮削时，</span><font face="Times New Roman"><span style="FONT-FAMILY: PMingLiU; mso-hansi-font-family: PMingLiU;">γ</span><span lang="EN-US">0=0</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">°，</span><font face="Times New Roman"><span style="FONT-FAMILY: Gungsuh;">α</span><span style="FONT-FAMILY: Gungsuh; mso-fareast-font-family: 宋体;"> </span><span lang="EN-US">0=70</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">°，还用割刀</span><font face="Times New Roman"><span lang="EN-US">(</span><span style="FONT-FAMILY: PMingLiU; mso-hansi-font-family: PMingLiU;">β</span><span lang="EN-US">0=5</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><span lang="EN-US"><font face="Times New Roman">10</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">°</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';">，套料刀。</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 26pt; mso-line-height-rule: exactly;"><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';">③切削用量：</span><span lang="EN-US"><font face="Times New Roman">Vc</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">≤</span><font face="Times New Roman"><chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue="100" unitname="m"><span lang="EN-US">100 m</span></chmetcnv><span lang="EN-US">/min</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">。</span><font face="Times New Roman"><span style="FONT-FAMILY: Gungsuh;">α</span><span style="FONT-FAMILY: Gungsuh; mso-fareast-font-family: 宋体;"> </span><span lang="EN-US">p=2</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="5" unitname="mm"><span lang="EN-US"><font face="Times New Roman">5mm</font></span></chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">；</span><span lang="EN-US"><font face="Times New Roman">f=0.5</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">～</span><font face="Times New Roman"><chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="True" sourcevalue=".7" unitname="mm"><span lang="EN-US">0.7 mm</span></chmetcnv><span lang="EN-US">/r</span></font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">。</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 26pt; mso-line-height-rule: exactly;"><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';">④切削液：用不含油的水溶液。</span></font></p>