成考院校在线答案
- 2022-09-12 [判断] 14、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。
- 2022-09-12 [判断] 18、单件、小批生产宜选用工序集中原则来组织生产。（ ）
- 2022-09-12 [判断] 24、由于粗加工对精度要求不高，所以粗基准可多次使用。（ ）
- 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">18、<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">25、<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 style="margin:0cm;margin-bottom:.0001pt;line-height:20.0pt;mso-line-height-rule: exactly">23、<span style="font-size:10.5pt;color:windowtext">磨削机床导轨面时，以导轨面自身作为定位基准，以保证磨削余量均匀。<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"> <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">25、<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">切削成形运动指的是工件与刀具的相对运动。</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 [单选] 34、在大批大量生产条件下，一般采用（ ）。
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">39、<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">切削加工时，由于塑性变形，表层金属的强度和硬度都得到了强化，这种现象被称为</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext"><span style="mso-spacerun:yes"> </span></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">（</span><span style="mso-bidi-font-size: 10.5pt;color:windowtext"> </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">）</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 [单选] <p class="MsoNormal" style="margin-top:7.8pt;mso-para-margin-top:.5gd; line-height:20.0pt;mso-line-height-rule:exactly">32、<span style="mso-bidi-font-size: 10.5pt">在卧式车床上车削细长轴外圆<span lang="EN-US">,</span>采用前后顶尖装夹｡由于工件的受力变形<span lang="EN-US">,</span>加工后工件将会产生<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>)<span style="mso-spacerun:yes"> </span> <o:p></o:p></span></span></p>