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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span style="color: red;"><span style="font-family: Calibri;">BQS</span></span><span style="color: red; font-family: 宋体;">潜水泵配仵�/span><span style="color: red;"><span style="font-family: Calibri;">_</span></span><span style="color: red; font-family: 宋体;">叶轮</span><span style="color: red;"><span style="font-family: Calibri;">_</span></span><span style="color: red; font-family: 宋体;">导叶供应配件齐全</span></p><p><span style="font-family: 宋体; font-size: 16px;">现针寸�/span><span style="font-family: Calibri;">BQS</span><span style="font-family: 宋体;">潜水泴�/span><span style="font-family: 宋体; font-size: 16px;">配件生产中容易出现的问题将工件装夹、加工要求、典型零件加工工艺浅析如下：<br/> 一、工件的装夹<br/> 1、操作者必须在熟悉产品图样、工艺文件和工艺装备的基础上从事作业生产，避免盲目生产造成零件报废：�br/> 2、在机床工作台面上安装夹具时，要擦净其定位基准面，并找正加工要求的相对位置；<br/> 3、工件装夹前应将其定位面、夹紧面，夹具的定位面擦拭干净，不得有毛刺，保证定位精度；</span></p><p><span style="font-family: 宋体; font-size: 16px;">4</span><span style="font-family: 宋体; font-size: 16px;">、按工艺规定的定位基准装夹，定位基准符合以下原则９�/span></p><p><span style="font-family: 宋体; font-size: 16px;">�?）、尽可能使设计基准、加工基准、检验基准重合，便于加工尺寸链的换算和测量；</span></p><p><span style="font-family: 宋体; font-size: 16px;">�?）、尽可能使各加工面采用同一定位基准，容易保证形位公差，如平行度、同心度、垂直度等；</span></p><p><span style="font-family: 宋体; font-size: 16px;">�?）、粗加工基准选取应结合后续工序的定位要求，有利于提高加工精度：�/span></p><p><span style="font-family: 宋体; font-size: 16px;">�?）、精加工工序定位基准应是巳加工表面，使定位准确、加工精度高：�/span></p><p><span style="font-family: 宋体; font-size: 16px;">�?）、选择的定位基准必须使工件定位、夹紧方便，加工时稳定可靠、�/span></p><p><span style="font-family: 宋体; font-size: 16px;">5</span><span style="font-family: 宋体; font-size: 16px;">、夹紧工件夹紧力的大小适当，夹紧力的作用点应通过支承面，尽可能靠近加工面；对刚性较差或是悬空的工件，应增加辅助支承以增强刚性；</span></p><p><span style="font-family: 宋体; font-size: 16px;">6</span><span style="font-family: 宋体; font-size: 16px;">、夹紧精加工面应以铜皮作软垫保护，不损坏巳加工表面；</span></p><p><span style="font-family: 宋体; font-size: 16px;">7</span><span style="font-family: 宋体; font-size: 16px;">、加工面应尽可能靠近床头箱，选取适当刀具增强系统刚性，提高加工表面粗糙度、�/span></p><p><span style="font-family: 宋体;">专业生产矿用隔爆排沙潜水泵各种型号可来电询问</span> <span style="font-family: 宋体;">另有配件各种叶轮，导叶，接线柱，喇叭嘴，导流套，泵轴，下轴套，涡轮等</span> <span style="font-family: 宋体;">规格齐全！联系人：吴经理</span> <span style="font-family: 宋体;">联系电话９�/span><span style="font-family: Calibri;">18653738005</span></p><p><span style="font-family: Calibri;">QQ:1946195948 </span></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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