成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="margin-top:7.8pt;mso-para-margin-top:.5gd">18、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">脉冲编码器是一种旋转式的角位移的传感器，也可用于测量转速。</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">22、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">数控钻床、数控镗床、简易数控车床都是点位控制数控机床。</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">12、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;color:windowtext">采用步进电机作进给驱动元件的数控机床都不带位置检测装置。</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">18、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">当刀具的实际长度大于编程设定长度时，应采用的刀补指令为</span><span lang="EN-US" style="color:windowtext">G44</span><span style="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 [判断] <p class="MsoNormal" style="margin-top:7.8pt;mso-para-margin-top:.5gd">9、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:ˎ̥; mso-hansi-font-family:ˎ̥;color:windowtext">增量坐标是指程序段的终点坐标是相对于本段起点计量的。</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">26、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:ˎ̥; mso-hansi-font-family:ˎ̥;color:windowtext">半闭环和全闭环位置反馈系统的根本差别在于位置传感器安装的位置不同，半闭环的位置传感器安装在工作台上，全闭环的位置传感器安装在电机的轴上。</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">35、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;color:windowtext">数控系统具有刀具半径补偿功能，则可用同一加工程序，实现对零件的粗、精加工。</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">3、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">按进给运动轨迹，数控机床可分为点位控制系统、直线控制系统和轮廓控制机床。</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">29、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;color:windowtext">只在本程序段内有效的代码称为续效代码。</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">34、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">单</span><span lang="EN-US" style="color:windowtext">CPU</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";color:windowtext">结构</span><span lang="EN-US" style="color:windowtext">CNC</span><span style="font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; color:windowtext">装置，采用“资源分时共享”来实现多任务并行处理。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>