成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;layout-grid-mode:char">15、<span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">在两个不同的工序中，都使用同一个定位基准，即为基准重合原则。</span><span lang="EN-US" style="color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;tab-stops:-10.5pt">17、<span style="mso-bidi-font-size: 10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">在装配尺寸链中，封闭环一般是指装配精度要求。因此，在修配装配法中，修配环就是尺寸链的封闭环。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan">4、<span style="mso-bidi-font-size:10.5pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">通常定义误差敏感方向是指通过刀刃的加工表面的法线方向，所以，在此方向上，原始误差对加工误差的影响最大。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;layout-grid-mode:char">19、<span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">铜、铝等有色金属及其合金宜采用磨削方法进行精加工。</span><span lang="EN-US" style="color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan">20、<span style="mso-bidi-font-size:10.5pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">工序能力的高低可用工艺能力系数</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;color:windowtext">C</span></i><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;color:windowtext">p</span><span style="mso-bidi-font-size:10.5pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">值的大小来衡量。某工序加工的零件尺寸呈正太分布，且</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"><span style="position:relative;top:7.0pt;mso-text-raise:-7.0pt"> <!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"></v:stroke> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"></v:f> <v:f eqn="sum @0 1 0"></v:f> <v:f eqn="sum 0 0 @1"></v:f> <v:f eqn="prod @2 1 2"></v:f> <v:f eqn="prod @3 21600 pixelWidth"></v:f> <v:f eqn="prod @3 21600 pixelHeight"></v:f> <v:f eqn="sum @0 0 1"></v:f> <v:f eqn="prod @6 1 2"></v:f> <v:f eqn="prod @7 21600 pixelWidth"></v:f> <v:f eqn="sum @8 21600 0"></v:f> <v:f eqn="prod @7 21600 pixelHeight"></v:f> <v:f eqn="sum @10 21600 0"></v:f> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path> <o:lock v:ext="edit" aspectratio="t"></o:lock> </v:shapetype><v:shape id="对象_x0020_2" o:spid="_x0000_i1025" type="#_x0000_t75" style='width:34.8pt;height:19.2pt;mso-wrap-style:square; mso-position-horizontal-relative:page;mso-position-vertical-relative:page' o:ole=""> <v:imagedata src="JXZZGYXPDT.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="46" height="26" v:shapes="对象_x0020_2" src="http://wljy.whut.edu.cn:80/uploadfiles/word/JXZZGYXPDT.files/image002.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="3" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="对象_x0020_2" DrawAspect="Content" ObjectID="_1619338036"> </o:OLEObject> </xml><![endif]--></span><span style="mso-bidi-font-size:10.5pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">时，则该工序不会出废品。</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="margin-top:7.8pt;mso-para-margin-top:.5gd; line-height:20.0pt;mso-line-height-rule:exactly;mso-pagination:widow-orphan; layout-grid-mode:char">21、<span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";color:windowtext">光整加工能提高零件的加工质量，但对提高零件的形状精度作用不大。</span><span lang="EN-US" style="color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;layout-grid-mode:char">20、<span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">工艺系统刚度与误差复映系数成反比。</span><span lang="EN-US" style="color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;tab-stops:-10.5pt">23、<span style="mso-bidi-font-size: 10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">由于积屑瘤能代替切削刃进行切削，减小塑性变形及刀具的磨损，因此，积屑瘤的产生对粗加工切削过程是有利的。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; mso-pagination:widow-orphan;layout-grid-mode:char">21、<span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">磨具的硬度是指组成磨具的磨料的硬度。</span><span lang="EN-US" style="color: windowtext"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="margin-left:430.5pt;text-indent:-430.5pt;">11、 为确定工件相对于刀具的位置，应将工件置于机床或夹具中定位。只要被约束的自由<span></span></p>度少于6个，则该定位属于欠定位