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<SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體">
< ><BR style="mso-special-character: line-break">請問各位老師:</P>
< > 如果數(shù)控機械滑臺上的伺服電機改為步進電機,為選擇步進電機,,<SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">計算電機輸出的總力矩</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">M時(公式如下),,對于臥式和立式的機床,公式代數(shù)是否一致,?對于立式機床,,滑臺立置,由于滾珠絲杠沒有自鎖,,Mf---<SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">導(dǎo)軌摩擦折算至電機的轉(zhuǎn)矩 是否為零,?請老師們給予幫助.謝謝啦~~</SPAN></FONT></SPAN></P>
< ><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">計算電機輸出的總力矩</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">M <BR><BR>M=Ma+Mf+Mt (1-3) <BR>Ma=(Jm+Jt).n/T×1.02×10ˉ2 (1-4) <BR><BR></FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">式中</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song"> <BR>Ma ---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">電機啟動加速力矩</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">(N.m) <BR>Jm</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">、</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">Jt---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">電機自身慣量與負載慣量</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">(Kg.cm.s2) <BR>n---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">電機所需達到的轉(zhuǎn)速</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">(r/min) <BR>T---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">電機升速時間</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">(s) <BR><BR>Mf=(u.W.s)/(2πηi)×10ˉ2 (1-5) <BR><BR>Mf---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">導(dǎo)軌摩擦折算至電機的轉(zhuǎn)矩</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">(N.m) <BR>u---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">摩擦系數(shù)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song"> <BR>η---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">傳遞效率</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song"> <BR><BR>Mt=(Pt.s)/(2πηi)×10ˉ2 (1-6) <BR><BR>Mt---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">切削力折算至電機力矩</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">(N.m) <BR>Pt---</FONT></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋體; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ??; mso-hansi-font-family: ??">最大切削力</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: ??; mso-bidi-font-family: 宋體; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋體"><FONT face="宋體, MS Song">(N) </FONT></SPAN></SPAN></FONT></SPAN></SPAN></P> |
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