加工中心的镗孔加工有什么性能特点?
作者:迅鹏数控 来源:迅鹏官网 点击:次
SUOWEITANGKONGJIAGONG(Boring)JIUSHIZHIJIANGGONGJIANSHANGYUANYOUDEKONGJINXINGKUODAHUOJINGHUA。TADETEZHENGbaiSHIXIUZHENGXIAKONGDEPIANXIN、HUODEJINGQUEDEKONGDEWEIZHI,QUDEGAOJINGDUDEYUANDU、YUANZHUDUHEBIAOMIANGUANGJIEDU。SUOYI,TANGKONGJIAGONGZUOWEIYIZHONGGAOJINGDUJIAGONGFAWANGWANGBEISHIYONGZAIZUIHOUDEGONGXUSHANG。LIRU,GEZHONGJIQIDEZHOUCHENGKONGYIJIGEZHONGFADONGJIDEXIANGTI、XIANGGAIDEJIAGONGDENG。
HEQITAJIXIEJIAGONGXIANGBI,TANGKONGJIAGONGSHISHUYIZHONGJIAONANDEJIAGONG。TAZHIKAODIAOJIEYIMEIDAOPIAN(HUODAOPIANZUO)YAOJIAGONGCHUXIANGH7、H6ZHEIYANGDEWEIMIJIDEKONG。SUIZHEJIAGONGZHONGXIN(Machiningcenter)DEPUJI,XIANZAIDETANGKONGJIAGONGZHIXUJINXINGBIANCHENG、ANNIUCAOZUODENG。ZHENGYINWEIZHEIYANG,JIUXUYAOYOUGENGJIANDAN、GENGFANGBIAN、GENGJINGMIDEDAOJULAIBAOZHENGTIANBOTIYUDEZHILIANG。ZHEILIZHUYAOCONGGONGJUJISHUDEJIAODULAIFENXIJIAGONGZHONGXINDETANGKONGJIAGONG。
一、加工中心的镗孔加工的特点:
1、工具转动
HECHECHUANGJIAGONGBUTONG,JIAGONGZHONGXINJIAGONGSHIYOUYUGONGJUZHUANDONG,BIANBUKENENGZAIJIAGONGZHONGJISHIZHANGWODAOJIANDEQINGKUANGLAIDIAOJIEJINDAOLIANGDENG。YEBUKENENGXIANGSHUKONGCHECHUANGNEIYANGKEYIZHIDIAOJIESHUKONGANNIUJIUKEYIGAISHUYINSHIBIANJIAGONGZHIJING。ZHEIBIANCHENGLEWANQUANZIDONGHUAJIAGONGDEYIGEHENDADEZHANGAI。YEZHENGYINWEIJIAGONGZHONGXINBUJUYOUZIDONGJIAGONGZHIJINGDIAOJIEJINENG(FUYOUUZHOUJINENGDECHUWAI),JIUYAOQIUTANGDAOBIXUJUYOUWEIDIAOJIGOUHUOZIDONGBUCHANGJINENG,TEBIESHIZAIJINGTANGSHIGENJUGONGCHAYAOQIUYOUSHIBIXUZAIWEIMIJIDIAOJIE。
LINGWAI,JIAGONGZHONGXINTANGKONGSHIYOUYUQIEXIEDELIUCHUFANGXIANGZAIBUDUANDIGAIBIAN,SUOYIDAOJIAN、GONGJIANDELENGQUEYIJIQIEXIEDEPAICHUDOUYAOBICHECHUANGJIAGONGSHINANDEDUO。TEBIESHIYONGZONGXINGJIAGONGZHONGXINJINXINGGANGDEMANGKONGCUTANGJIAGONGSHI,ZHIJINZHEIGEWENTIHAIMEIDEDAOWANQUANJIEJUE。
2、颤振(Chatter)
TANGKONGJIAGONGSHIZUICHANGCHUXIANDE、YESHIZUILINGRENTOUTENGWENTISHIZHANZHEN。ZAIJIAGONGZHONGXINSHANGFASHENGZHANZHENDEYUANYINZHUYAOYOUYIXIAJIDIAN:
①工具系统的刚性(Rigidity):包括刀柄、镗杆、镗头以及中间连接部分的刚性。因为是悬臂加工(StubBoring)所以特别是小孔、深孔及硬质工件的加工时,工具系统的刚性尤为重要。
②GONGJUXITONGDEDONGPINGHENG(Balance):XIANGDUIYUGONGJUXITONGDEZHUANDONGZHOUXIN,GONGJUZISHENRUYOUYIBUPINGHENGZHILIANG,ZAIZHUANDONGSHIYINBUPINGHENGDELIXINLIDEZUOYONGERDAOZHIZHANZHENDEFASHENG。TEBIESHIZAIGAOSUJIAGONGSHIGONGJUDEDONGPINGHENGXINGSUOCHANSHENGYINGXIANGHENDA。
③GONGJIANZISHENHUOGONGJIANDEGUDINGGANGXING(ClampingRigidity):XIANGYIXIEJIAOXIAO、JIAOBODEBUJIANYOUYUQIZISHENDEGANGXINGBUZU,HUOYOUYUGONGJIANXINGZHUANGDENGYUANYINWUFASHIYONGHELIDEZHIJUJINXINGCHONGFENDEGUDING。
④DAOPIANDEDAOJIANXINGZHUANG(GeometryofEdge):DAOPIANDEQIANJIAO、TAOJIAO、DAOJIANBANJING、DUANXIECAOXINGZHUANGDEBUTONGSUOCHANSHENGDEQIEXUEKANGLIYEBUTONG。
⑤QIEXUETIAOJIAN(CuttingCondition):BAOKUOQIEXUESUDU、JINJI、JINDAOLIANGYIJIJIYOUFANGSHIJIZHONGLEIDENG。
⑥JIQIDEZHUZHOUXITONG(Spindle)DENG:JIQIZHUZHOUZISHENDEGANGXING、ZHOUCHENGJICHILUNDEXINGNENGYIJIZHUZHOUHEDAOBINGZHIJIAN#hc360FENYEFU#DELIANJIEGANGXING。
二、镗刀的选择基准:
GENJUJIAGONGNEIRONGDEBUTONGTANGDAODEXUANZEJIZHUNYEBUYIYANG,YIBANLAISHUO,YINGZHUYIXITONGBENSHENDEGANGXING、DONGPINGHENGXING、ROUXING、XINLAIXING、CAOZUOFANGBIANXINGJISHOUMINGHECHENGBEN。
1、一体式(Solid)镗刀与模块式(Modular)镗刀
GULAODEYITISHITANGDAOZHUYAOYONGZAILIANGTIANBOTIYUDESHENGCHANXIANHUOZHUANYONGJISHANG,DANSHIJISHANGJIQIDEGUIGEYOUDUOZHONGDUOYANG:NT、MT、BT、IV、CV、DVDENGDENG。JISHIGUIGEYIYANG,DAXIAOYEYOUBUTONG。RUBTYOU15、30、40、45、50、60DENGDENG。JISHIGUIGE、DAXIAODOUYIYANG,YOUKENENGLADINGXINGZHUANG、LUOWENBUYIYANG,HUOZHEFALANMIANXINGZHUANGBUYIYANG。ZHEIXIEDOUSHIDEYITISHITANGDAOZAIDUIYINGSHANGYUDAOHENDADEKUNNAN。TEBIESHIJINXIENIANLAI,SHICHANGJIEGOU、SHICHANGXUYAORIXINYUEYI,TIANBOTIYUZHOUQIRIYISUODUAN,ZHEIJIUYAOQIUJIAGONGJIXIEYISHUCHAOJIJIAGONGGONGJUJUYOUGENGCHONGFENDEROUXING(Suppleness)。SUOYIYITISHITANGDAODADUOSHUYICONGGONGCHANGZHONGXIAOSHI。
MOKUAISHITANGDAOJISHIJIANGTANGDAOFENWEI:JICHUBING(BasicHolder)、YANZHANGQI(Extension)、JIANJINGQI(Reduction)、TANGGAN)、TANGTOU(BoringHead)、DAOPIANZUO(InsertHolder)、DAOPIAN(Insert)、(DAO#hc360FENYEFU#JIAOHUAN)DENGDUOGEBUFEN,RANHOUGENJUJUTIDEJIAGONGNEIRONG(CUTANG、JINGTANG;KONGDEZHIJING、XIEBEISHENDU、XINGZHUANG;GONGJIANCAILIAODENGDENG)JINXINGZIYOUZUHE。ZHEIYANGBUDANDADADIJIANSHAOLEDAOBINGDESHULIANG,JIANGDILECHENGBEN,YEKEYIXUNSUDUIYINGGEZHONGJIAGONGYAOQIU,BINGYANZHANGDAOJUZHENGTIDESHOUMING。
MOKUAISHITANGDAOZUIXIANCHUXIANZAIOUZHOUSHICHANG,DAYUE20NIANQIANRIBENDAZHAOHEJINGJIZHUSHIHUISHE(BIG)YURUISHIKAISERTIANBOTIYUJINXINGJISHUHEZUO,BIG-KAISERMOKUAISHITANGDAOSHOUCICHUXIANZAIRIBENSHICHANG,BINGZHUJIANQUDAILEYITISHITANGDAODEDIWEI。RUJINRIBENDEJIXIEJIAGONGGONGCHANGLI80%YISHANGDOUSHISHIYONGDEBIG-KAISERMOKUAISHITANGDAO。
由此显而可见,模块式镗刀具有一体式镗刀无法比拟的优势。当然,这也需要模块式镗刀具有高连接精度和高连接刚性,以及高重复精度和高度的信赖性。
2、各种各样的模块式镗刀
XIANZAISHICHANGSHANGCUNZAIZHEGEZHONGGEYANGDEMOKUAISHITANGDAOXITONG,TAMENDELIANJIEFANGSHIGEYOUQUBIE。
①BIG-KAISERFANGSHI
TAZHIYAOKAOYIKEZHUIDUWEI15°DEZHUIXINGLUOSILAILIANJIE,GUDINGSHIYEZHIXUYAOYIZHILIUJIAOXIAOBANSHOU,CAOZUOFEICHANGFANGBIAN。YOUYULUOKONGYUBEILIANJIETIDEZHUIKONGJIANYOUYIDINGDEPIANXIN,DANGXUANJINLUOSISHIYIKAOZHUIMIANDEZUOYONG,JIANGXUANJINLIDEJUEDABUFENZHUANHUAWEIZHOUXIANGDELALI,SHIBEILIANJIEDELIANGBUFENTIEJIN,ERBAOCHIJINGXIANGWEIZHIBUBIAN。GUDINGLUOSIYONGGAOJIANDUANQIANGDUCAILIAOZHICHENG,KECHENGSHOUJIAODANIUJU,BINGQIECUTANGSHISHEYOUJIAQIANGSHUAN。
②CEGUSHI
XIANERYIJIAN,ZHEIZHONGLIANJIEFANGSHIJINJINSHIDADAOGUDINGDEMUDE。TADEXUANJINLIDEJUEDABUFENDOUXIANGZHEJINGXIANG。BUDANLIANJIETIDEDUANMIANBUNENGMIJIE,JINGXIANGWEIZHIYEHUIFASHENGBIANHUA。
③XUANRUSHI
SUIRANMIANDEDAOLIANJIE,DANDAOJIANZAIYUANZHOUSHANGDEXIANGWEIHUIFASHENGBIANHUA。
④HOUBULAJINSHI
DUANMIANDELIANJIEHETIAODONGDOUJIAOHAO,DANCAOZUOXINGHENCHA。
⑤QITAFANGSHI
CEMIAN90°LIANGDIANGUDINGFANGSHI;CEMIAN180°LIANGDIANQINGXIEGUDINGFANGSHI;ABSFANGSHIDENGDENG。
ZONGERYANZHI,MOKUAISHITANGDAOXITONGJUYOUHENDADEYOUSHI,DANBINGBUSHISHUOZHIYAOSHIMOKUAISHIJIUHAO。BIXUCONGLIANJIEGANGXING、JINGDU、CAOZUOXING、JIAGEDENGDUOFANGMIANLAIHENGLIANG。