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"/images/banner/s5.jpg"; var randomBgIndex = Math.round( Math.random() * 4 ); //输出随机的背景图 document.write('<style>.banner{background:url(' + bodyBgs[randomBgIndex] + ') no-repeat 50% bottom}</style>'); //]]> </script> <section> <div class="banner" style="height:160px;"> </div> </section> <!-- 面包屑导航开始 --> <div class="container "> <nav class="sub_menu"> <ol class="breadcrumb"><span class="glyphicon glyphicon-list"></span> <li><a href="/">网站首页</a></li> <li><a title="技术文章" href="/bethel/NC">技术文章</a></li> <li><a title="数控文章" href="/bethel/news">数控文章</a></li> </ol> </nav> </div> <!--/sub_menu--><!-- 面包屑导航结束 --> <!-- 页面标题开始 --> <div class="title"> <h3><a>数控加工中心刀具和切削用量的选择探讨<small></small></a></h3> </div> <!-- 页面标题结束 --> <hr class="featurette-divider"> <!-- 中部开始 --> <div class="container"> <!-- 正文 --> <div class="lead" id="print"> <p><span style="font-size: small;"> <span style="line-height: 14.65pt; text-align: justify; text-indent: 20pt; background-color: transparent;">刀具是机床实现切削加工的直接执行者，刀具的选 择和切削用量的选择合理与否，不仅影响到被加工零件 的质量，甚至可以决定机床功效的发挥和安全生产的顺 利进行。所以，在编加工程序时，要选择合理的刀具和 切削用量，不但可以有效提高切削效率和加工质量，还 可降低成本以获得最佳经济效益。</span> </span></p> <p class="640" style="margin-top:0cm;text-indent:0cm;mso-pagination:lines-together; page-break-after:avoid;background:transparent"><a name="bookmark1"><span style="font-size: small;">1加工中心用刀具的基本特征</span></a></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;background:transparent"><span style="font-size: small;">为了适应数控机床加工精度、加工效率、加工工序 集中及零件装夹次数少等要求，数控机床对所用的刀具 有许多性能的要求，加工中心用刀具及刀具系统有以下 特点：（1)刀片和刀柄高度的通用化、规则化、系统 化；<span lang="EN-US">（2)</span>刀片和刀具参数及切削参数的规范化、典型 化；<span lang="EN-US">（3)</span>刀片或刀具材料及切削参数与被加工工件材料 相匹配；<span lang="EN-US">（4)</span>刀片或刀具的使用寿命长，加工刚性好；</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:3.4pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 0cm;mso-list:l1 level1 lfo1;background:transparent"><span style="font-size: small;"><!--[if !supportLists]--><span lang="EN-US">(5)<span style="font-stretch: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]-->刀片及刀柄的定位精度高，刀柄对机床主轴的相对 位置要求较高；<span lang="EN-US">（6)</span>刀柄须有较高的强度、刚度和耐磨 性，刀柄及刀具系统的重量不能超标；<span lang="EN-US">（7)</span>刀柄的转 位、重装和重复定位精度要求高。</span></p> <p class="640" style="margin-top:0cm;text-indent:0cm;line-height:13.9pt; mso-line-height-rule:exactly;mso-pagination:lines-together;page-break-after: avoid;background:transparent"><a name="bookmark2"><span style="font-size: small;">2加工中心用刀具材料</span></a></p> <p class="660" style="background:transparent"><span style="font-size: small;"><span class="66TimesNewRoman"><span lang="EN-US">2.1</span></span>常用刀具材料</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">常用数控刀具材料有高速钢、硬质合金、涂层硬质 合金、陶瓷、立方氮化硼、金刚石等，其中高速钢、硬 质合金、涂层硬质合金在数控加工中的应用最广泛。</span></p> <p class="660" style="background:transparent"><span style="font-size: small;"><span class="66TimesNewRoman"><span lang="EN-US">2.2</span></span>刀具性能的比较</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">在常用的刀具中，高速钢、涂层高速钢的韧性最 好，涂层硬质合金的硬度较高，硬质合金刀具层中，陶 瓷刀具、立方氮化硼、金刚石刀具的硬度更高。除特殊 材料外，一般不用这几种材料的刀具（由于其硬度较高 刃磨难度大，而成型刀具切削刃不易锋利，容易崩刃， 通常用于较硬的材料加工）。</span></p> <p class="660" style="background:transparent"><span style="font-size: small;"><span class="66TimesNewRoman"><span lang="EN-US">2.3</span></span>刀具种类</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">数控加工中心常用刀具种类较多，根据刀具用途， 可分为轮廓类加工刀具和孔类加工刀具等。</span></p> <p><span style="font-size: small;"> <span style="font-family: MingLiU;"><br clear="all" /> </span> </span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.7pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;"><span lang="EN-US">2.3.1</span>轮廓类加工刀具。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.7pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">第一，面铣刀。刀片和刀齿与刀体的安装方式有整 体焊接式，机夹焊接式和可转位式三种，运用较多的是 可转位式。当刀片切削刃磨钝或报废时，可直接在机床 上转位或者更换刀片，从而大大提高加工效率和产品质 量，根据不同的工件外形不同的机床性能，选择适当直 径大小的刀具型号使用方便快捷。面铣刀直径一般为 40?<span lang="EN-US">400</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">第二，立铣刀。立铣刀是数控机床运用的较广泛的 一种刀具，有整体式和镶刀片式两种。一般直径在<span lang="EN-US">〇20</span><span class="42Sylfaen"><span lang="EN-US">mm </span></span>以下用整体式。直径在<span lang="EN-US">〇20</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>以上多用于镶齿式，还有 刀尖圆弧式铣刀，多用于模具加工，适用于曲面的大量 加工，现在的硬质合金立铣刀也可取代键槽铣刀作垂直 进给。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">第三，球头刀。圆柱形球头铣刀，主要用于模具加 工，精加工使用，也有成形和镶齿两种。主要用于曲面 加工，其加工表面质量较高，球头刀中心切削速度为 零。球头刀具不适用于平面铣削。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;"><span lang="EN-US">2.3.2</span>孔类加工刀具。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">第一，钻头。加工中心常用钻头有中心钻、标准麻花 钻。刀具材料有高速钢、硬质合金和涂层硬质合金等。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">第二，铰刀。有标准高速钢铰刀、焊接硬质合金刀 (一般用于定做尺寸，深孔铰刀）、浮动铰刀。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">第三，镗刀。镗刀分为粗镗刀、精镗刀、浮动镗刀 等。精镗刀采用螺丝调节式，每格精度不同，有<span lang="EN-US">0.002</span><span class="42Sylfaen"><span lang="EN-US">mm </span></span>每格直径，也有<span lang="EN-US">0.01</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>每格直径方向等。</span></p> <p class="420" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo2;tab-stops:52.3pt;background:transparent"><span style="font-size: small;"><!--[if !supportLists]--><span lang="EN-US">2.3.3<span style="font-stretch: normal; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]-->—些特殊加工刀具。如<span class="42Sylfaen"><span lang="EN-US">T</span></span>形刀具，开槽和切 断用锯片刀具，燕尾槽成型刀具等，使用频率较低。</span></p> <p class="640" style="margin-top:0cm;text-indent:0cm;line-height:13.9pt; mso-line-height-rule:exactly;mso-pagination:lines-together;page-break-after: avoid;background:transparent"><a name="bookmark3"><span style="font-size: small;">3加工中心刀具选择原则</span></a></p> <p><span style="font-size: small;"> <span style="font-family: MingLiU;">应根据机床的加工能力、加工材料的性能、加工工 序、切削用量以及其他因素合理地选择刀具。刀具选择 的总原则是：刀具选用最重要的一点就是看性价比，在 机床确定的条件下，首先考虑加工工件材料的切削性 能，参照加工材料的性能选用价格最低的刀具，提高效</span><span style="line-height: 13.9pt; text-align: justify; background-color: transparent;">益，降低成本，同时也要安装调整方便，刚性好，耐用 度和精度高。在满足加工要求的前提下，尽量选择较短 的刀柄，以提高刀具加工刚性。</span> </span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">在选取刀具时，要使刀具的直径与加工工件的去除 量相适应，平面周边轮廓的铣削，用立铣刀；铣削平面 用硬质合金盘铣刀；加工凹凸台时使用高速钢立铣刀； 加工毛坯面或孔粗加工时，选用镶齿硬质合金玉米铣 刀；立体型面和变斜角轮廓外形的加工，常采用球头 刀、环形铣刀、锥形铣刀和盘铣刀。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">有时候刀具的耐用度和精度与刀具价格关系极大， 必须注意的是，在有些情况下，选择价格较高的好刀 具，但是好的刀具带来加工效率和加工质量的提高，则 可以使整个加工成本大大降低。</span></p> <p class="640" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:0cm;line-height:13.9pt;mso-line-height-rule:exactly;mso-pagination: lines-together;page-break-after:avoid;background:transparent"><a name="bookmark4"><span style="font-size: small;">4切削用量选择</span></a></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">在数控加工中，切削用量的选用是最为关键的环 节，它直接影响加工效率和加工质量的提高。合理地 选择切削用量需要理论和实践相结合，在实践中不断 摸索实验，才能更好地总结、归纳出比较合适的切削</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; line-height:13.9pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">用量。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">切削用量主要包括背吃刀量和侧吃刀量、进给速度 和切削速度。从刀具的耐用度考虑，切削用量的选择方 法是先选背吃刀量，其次是进给速度，最后确定切削速 度。下面就笔者在平时的工作中遇到的加工参数进行 分析：</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">第一，在机床型号为<span class="42Sylfaen"><span lang="EN-US">DMC</span></span><span lang="EN-US">635</span><span class="42Sylfaen"><span lang="EN-US">V</span></span>的机床，加工厚度为 <span lang="EN-US">20</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">，</span>材料为<span lang="EN-US">12</span><span class="42Sylfaen"><span lang="EN-US">Cr</span></span><span lang="EN-US">2</span><span class="42Sylfaen"><span lang="EN-US">Mo</span></span>的工件上钻<span lang="EN-US">$1.2</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>的通孔。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">刀具选择：<span lang="EN-US">〇1.2</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>的高速钢钻头，注意钻头切削刃 是否均匀对称。</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">背吃刀量：每钻深<span lang="EN-US">0.5</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>提刀排屑法。</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">进给速度：<span class="42Sylfaen"><span lang="EN-US">Vf</span></span><span lang="EN-US">=5</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">切削速度：<span class="42Sylfaen"><span lang="EN-US">n</span></span><span lang="EN-US">=5000</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">实现加工工艺要求，顺利完成加工任务。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">第二，在<span class="42Sylfaen"><span lang="EN-US">VMC</span></span><span lang="EN-US">1250</span>型号机床上，加工材料为<span lang="EN-US">5</span><span class="42Sylfaen"><span lang="EN-US">CrNiMo </span></span>热锻模具，调质硬度为<span lang="EN-US">500</span><span class="42Sylfaen"><span lang="EN-US">HBW</span></span>的狭长槽，深度为<span lang="EN-US">170</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>的 工件精加工，加工余量为单边<span lang="EN-US">0.1</span>?<span lang="EN-US">0.15</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">刀具选择：<span lang="EN-US">〇20</span><span class="42Sylfaen"><span lang="EN-US">mmR</span></span><span lang="EN-US">5</span>的牛鼻刀，刀具长度为<span lang="EN-US">250</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>镶 齿硬质合金刀。</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">背吃刀量<span lang="EN-US">：0.1</span><span class="42Sylfaen"><span lang="EN-US">mm </span></span>进给速度：<span class="42Sylfaen"><span lang="EN-US">Vf</span></span><span lang="EN-US">=1800</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;margin-right:8.0pt;margin-bottom:0cm; margin-left:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">切削速度：<span class="42Sylfaen"><span lang="EN-US">n</span></span><span lang="EN-US">=3000</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">，</span>采用顺铣的加工方法。 程序开头加<span class="42Sylfaen"><span lang="EN-US">G</span></span><span lang="EN-US">64</span>连续加工指令，顺利完成加工生产任务， 并保证较好的加工光洁度，得到用户的肯定。</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">第三，在<span class="42Sylfaen"><span lang="EN-US">VMC</span></span><span lang="EN-US">1250</span>型号机床在685钢板调质硬度在 <span lang="EN-US">460</span><span class="42Sylfaen"><span lang="EN-US">HBW</span></span><span lang="EN-US">，</span>厚度<span lang="EN-US">8</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>的钢板上钻672个$10的阵列通孔，考虑 加工成本核算和加工效率。</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">方案1:刀具选择：<span lang="EN-US">$10</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>优质高速钢钻头，每支</span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; line-height:13.9pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">46元。</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">背吃刀量：一次钻通。</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:20.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;background:transparent"><span style="font-size: small;">进给速度：<span class="42Sylfaen"><span lang="EN-US">Vf</span></span><span lang="EN-US">=10</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:1.05pt; margin-left:0cm;text-indent:20.0pt;line-height:9.5pt;mso-line-height-rule:exactly; background:transparent"><span style="font-size: small;">切削速度：<span class="42Sylfaen"><span lang="EN-US">n</span></span><span lang="EN-US">=180</span><span class="42Sylfaen"><span lang="EN-US">r</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.45pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">钻头在刃磨较好的情况下，一次最多钻20多个孔。 方案2:刀具选择：<span lang="EN-US">$10</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>硬质合金钻头，每支 360元。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">背吃刀量：一次钻通。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">进给速度：<span class="42Sylfaen"><span lang="EN-US">Vf</span></span><span lang="EN-US">=30</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">切削速度：<span class="42Sylfaen"><span lang="EN-US">n</span></span><span lang="EN-US">=600</span><span class="42Sylfaen"><span lang="EN-US">r</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">钻头一次最多钻500左右个孔。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">方案3:刀具选择：<span lang="EN-US">$10</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span>硬质合金涂层钻头，每支 630元。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">背吃刀量：一次钻通。</span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">进给速度：<span class="42Sylfaen"><span lang="EN-US">Vf</span></span><span lang="EN-US">=90</span><span class="42Sylfaen"><span lang="EN-US">mm</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;text-indent:20.0pt;line-height:13.9pt; mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">切削速度：<span class="42Sylfaen"><span lang="EN-US">n</span></span><span lang="EN-US">=1200</span><span class="42Sylfaen"><span lang="EN-US">r</span></span><span lang="EN-US">/</span><span class="42Sylfaen"><span lang="EN-US">min</span></span><span lang="EN-US">。</span></span></p> <p class="420" style="margin-top:0cm;text-align:justify;text-justify:inter-ideograph; text-indent:20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background: transparent"><span style="font-size: small;">钻头一次最多钻约2000个孔。这也充分地说明，使 用价格高的好刀具，不一定就提高加工成本，效率的提 高和数量的增加，恰恰是效益的增加。</span></p> <p class="640" style="margin-top:0cm;margin-right:0cm;margin-bottom:0cm; margin-left:25.0pt;margin-bottom:.0001pt;line-height:13.9pt;mso-line-height-rule: exactly;mso-pagination:lines-together;page-break-after:avoid;background:transparent"><a name="bookmark5"><span style="font-size: small;">5结语</span></a></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:6.8pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background:transparent"><span style="font-size: small;">随着数控加工中心机床的发展，加工工艺要求的不 断提高，数控加工的方法也更加多样化，从简单的手工 编程到复杂的曲面软件编程，同时对切削刀具的要求也 更加精确、多样。在某些加工环节，实现了加工工艺的 要求就是任务完成，而有些加工生产任务，是讲质量、 讲效益、讲效率的。只有合理地选择切削刀具和切削用 量，才能保证任务的顺利完成，同时也使效益最大化。</span></p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:6.8pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background:transparent"> </p> <p class="420" style="margin-top:0cm;margin-right:0cm;margin-bottom:6.8pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:13.9pt;mso-line-height-rule:exactly;background:transparent"> </p> <p class="MsoNormal" style="line-height:11.0pt"><b><span style="font-family:"微软雅黑","sans-serif";mso-ascii-font-family: Tahoma;mso-hansi-font-family:Tahoma">伯特利数控相关产品：</span></b><span style="font-family:"微软雅黑","sans-serif";mso-ascii-font-family:Tahoma;mso-hansi-font-family: Tahoma">加工中心</span><span lang="EN-US">,</span><span style="font-family:"微软雅黑","sans-serif"; mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">钻攻中心</span><span lang="EN-US">,</span><span style="font-family:"微软雅黑","sans-serif";mso-ascii-font-family: Tahoma;mso-hansi-font-family:Tahoma">高速加工中心</span><span lang="EN-US">,</span><span style="font-family:"微软雅黑","sans-serif";mso-ascii-font-family:Tahoma;mso-hansi-font-family: Tahoma">立式加工中心</span><span lang="EN-US">,</span><span style="font-family:"微软雅黑","sans-serif"; mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma"><a href='https://www.yujiangcnc.com/bethel/cnc/show_431.html' target='_blank'>雕铣机</a></span></p></div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <a href='/index.php?case=tag&act=show&t=wap&tag=%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' 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href='/index.php?case=tag&act=show&t=wap&tag=%E6%95%B0%E6%8E%A7%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>数控加工中心</a> <small>相关内容</small></a></h3> <p></p> <span>——</span> </div> <!-- 页面标题结束 --> <hr class="featurette-divider"> <div class="container list-container"> <!-- 内容列表开始 --> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>11</span> <p>2024-12</p> </div> <h4><a title="U600S五轴加工中心视频" href="/bethel/video/show-3042.html" target="_blank">U600S五轴加工中心视频</a></h4> <p>此视频详细介绍了U600S高性能五轴加工中心各种参数及说明！… <a href="/bethel/video/show-3042.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>04</span> <p>2024-11</p> </div> <h4><a title="薄壁长筒复杂类零件车铣复合中心加工工艺" href="/bethel/5-aix/show-2898.html" target="_blank">薄壁长筒复杂类零件车铣复合中心加工工艺</a></h4> <p>薄壁长筒复杂车铣类零件的加工，是机械加工行业中一直以来存在的一个加工难题。虽然车铣复合中心的应用可以在一定程度上整合数控车床与加工中心的功能，使零件加工工艺集中，提高了生产率及成品率，但是这类零件刚性较差，在切削力作用下，容易变形，产生振动，加工中还会产生热变形，影响工件的尺寸精… <a href="/bethel/5-aix/show-2898.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>04</span> <p>2024-11</p> </div> <h4><a title="使用Radian激光跟踪仪测试五轴加工中心RTCP" href="/bethel/5-aix/show-2897.html" target="_blank">使用Radian激光跟踪仪测试五轴加工中</a></h4> <p>在五轴加工中心和五轴钻攻中心数控系统中， 认为RTCP即：Rotated Tool Center Point，也就是我们常说的刀尖点跟随功能。 在五轴加工中， 追求刀尖点轨迹及刀具与工件间的姿态时， 由于回转运动，会产生刀尖点的附加运动， 造成数控系统控制点与刀尖点的不重合， 因… <a href="/bethel/5-aix/show-2897.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border list-border-w"> <div class="list-date"> <span>04</span> <p>2024-11</p> </div> <h4><a title="车铣复合中心如何加工复杂异形斜齿轮传动轴" href="/bethel/5-aix/show-2896.html" target="_blank">车铣复合中心如何加工复杂异形斜齿轮传动轴</a></h4> <p>车铣复合中心技术是制造业发展的一个新趋势，能够实际解决形状复杂的异形零件的加工难题。通过一系列程序优化、碰撞干涉检查、反复程序测试等，最后耗时3h在车铣复合加工中心上完成该零件的实际生产，如图9所示。经过严格的三坐标测量，复杂异形斜齿轮传动轴的表面粗糙度、形位公差、尺寸公差、配合… <a href="/bethel/5-aix/show-2896.html" target="_blank">[了解更多]</a></p> </div> <div 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