20春学期《特种加工技术》在线平时作业2

adminhan

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">在型号为DK7732的电火花线切割机床中，其中K表示（&nbsp;&nbsp; </span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;）。</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">机床特性代号，表示快走丝</span>
B:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">机床类别，表示慢走丝</span>
C:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">机床特性代号，表示数控</span>
D:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">机床类别，表示数控</span>

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">以下不是电火花成型加工的主要能量形式的是&nbsp;</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">(</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp; </span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; TEXT-DECORATION: underline; mso-spacerun: 'yes'">&nbsp;</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">)</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;。</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:电能
B:热能
C:机械能
D:以上都不是

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">与电化学当量有关的参数有（&nbsp; </span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;）</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:电解电流
B:电解时间
C:电解液压力<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;</span>
D:工件材料

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">线切割机床使用照明灯的工作电压为（&nbsp; </span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">）</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:6V
B:36V
C:220V
D:110V

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">在电火花加工中，存在吸附效应，它主要影响（&nbsp;&nbsp;&nbsp; ）</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:工具电极的损耗
B:工件的可加工性
C:生产率
D:加工表面的变质层结构

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">电解加工与电火花加工相比，前者生产率______而精度___</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">__。</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">较高、较高</span>
B:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">较高、较低</span>
C:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">较低、较高</span>
D:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">较低、较低</span>

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">下列四种工件材料选项中，哪一个选项不适用于电火花加工（&nbsp; &nbsp;）</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:硬质合金
B:光学玻璃
C:铜
D:45号碳钢

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">超声波加工装置声学部件&mdash;&mdash;</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">变幅棒</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">不</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">常用的形状有（ </span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;）</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"></span></p>
A:锥形
B:双曲线形
C:指数形
D:阶梯形

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">在线切割加工过程中，工件受到的作用力（&nbsp;&nbsp; </span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;）。</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:为零
B:较大
C:较小
D:为零或较小

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">阳极电解蚀除又因工艺方法的不同而分为</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">(&nbsp;&nbsp; )</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">、电解扩孔、电解抛光、电解去毛刺、电解磨削、电解研磨等。</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">电铸</span>
B:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">复合电镀</span>
C:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">刷镀</span>
D:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">电解加工</span>

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">激光器按工作物质的种类可分为(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; )</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:固体激光器
B:二氧化碳激光器
C:液体激光器
D:半导体激光器
E:气体激光器

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">影响超声波加工速度的因素有</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">(&nbsp;&nbsp;&nbsp; &nbsp;).</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">工具振动频率</span>
B:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">振幅</span>
C:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">磨料种类</span>
D:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">磨料粒度</span>
E:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">作用在工件上的静压力</span>

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">&nbsp;电子束加工装置主要由（&nbsp;&nbsp;&nbsp; <font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;</font><font face="宋体">）等部分组成。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:<font face="宋体">电子枪</font>
B:<font face="宋体">真空系统</font>
C:<font face="宋体">控制系统</font>
D:<font face="宋体">工作台</font>
E:<font face="宋体">电源</font>

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; TEXT-ALIGN: justify"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">超高压水射流加工设备主要有（&nbsp;<font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font face="宋体">）。</font></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:<font face="宋体">增压系统</font>
B:<font face="宋体">切割系统</font>
C:<font face="宋体">控制系统</font>
D:<font face="宋体">过滤设备</font>
E:<font face="宋体">机床床身</font>

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">影响超声波加工</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">表面质量的</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">因素</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">有(&nbsp;&nbsp;&nbsp; &nbsp;).</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p>
A:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">磨粒的直径</span>
B:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">被加工材料的性质</span>
C:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">超声波振动的振幅</span>
D:<span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">磨料悬浮工作液的成</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">分</span>

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">电火花加工中排屑的方法有冲油或抽油、电极抬起（抬刀）和吹气。</span></p><!--EndFragment-->
A:错误
B:正确

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">激光焊接具有速度快，效率高，深度大，变形小的特点。（&nbsp; ）</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">光刻的精度甚高，其尺寸精度可达到0.01～0.005&nbsp;mm．是半导体器件和集成电路制造中的关键工艺之一。(&nbsp; )</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 11.35pt; TEXT-INDENT: -5.7pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">超声波加工是磨粒在超声振动作用下的机械撞击和抛磨作用以及超声波空化作用的综合结果，其中超声波空化作用是主要的。</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">(&nbsp; )</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-STYLE: normal; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确

<p class="p0" style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'">电化学加工过程无宏观切削力，为无应力加工。( )</span><span style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; FONT-FAMILY: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确