钻床工作台的提升装置
<P style="TEXT-ALIGN: justify; MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt; VERTICAL-ALIGN: baseline" class=p0><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">-钻床</A>工作台的提升装置</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇"><?XML:NAMESPACE PREFIX = O /><O:P></O:P></SPAN></P><P style="TEXT-ALIGN: justify; MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt; VERTICAL-ALIGN: baseline" class=p0><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">有很多钻床没有调节工作台的提升机构</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">可在机床上安装用杠杆操纵的提升装置</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">。</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇"><O:P></O:P></SPAN></P>
<P style="TEXT-ALIGN: justify; MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt; VERTICAL-ALIGN: baseline" class=p0><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">手柄用销子销在一支承块上</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">该支承块用螺钉固定在工作台轴套的底部</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">。</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">下方是一个套圈</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">它在立轴上可自由滑动</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">。</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">此滑套在内孔里有一锥形键槽同一楔子相配合</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">楔子的前后用一对联杆同手柄相连</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">另外</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">前后用一拉伸弹簧</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">两端分别连接于滑套和工作台底部</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">。</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇"><O:P></O:P></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">当手柄下压时</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">首先是楔子将滑套锁住</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">然后提起工作台</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">。</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">当手柄上升拉出楔子时</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">在工作台前方用力施加轻微的压力</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">使工作台保持在原有位置上</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">，</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">于是-弹簧</A>将滑套提起一个升程为手柄下一次下压定好位置</SPAN><SPAN style="FONT-FAMILY: ＇宋体＇; FONT-SIZE: 10.5pt; mso-spacerun: ＇yes＇">。</SPAN></P><!－－EndFragment－－>
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