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【SHOUJIDUAN】

在切削过程中,出现弹刀现象该怎么办?

   日期:2020-05-21     浏览:189    评论:0    
核心提示:弹刀是刀具因受力过大而产生幅度相对较大的振动。弹刀造成的危害就是造成工件过切和损坏刀具,当刀径小且刀杆过长或受力过大都会产生弹刀的现象。在数控加工的过程中,经常会在转角位出现弹刀而导致过切的现象。

DANDAOSHIDAOJUYINSHOULIGUODAERCHANSHENGFUDUXIANGDUIJIAODADEZHENDONG。DANDAOZAOCHENGDEWEIHAIJIUSHIZAOCHENGGONGJIANGUOQIEHESUNHUAIDAOJU,DANGDAOJINGXIAOQIEDAOGANGUOZHANGHUOSHOULIGUODADOUHUICHANSHENGDANDAODEXIANXIANG。ZAISHUKONGJIAGONGDEGUOCHENGZHONG,JINGCHANGHUIZAIZHUANJIAOWEICHUXIANDANDAOERDAOZHIGUOQIEDEXIANXIANG。

RUGUOWOMENCAIQUHELIDEDAOJUHEJIAGONGFANGFA,KEYIJIANGDANDAODEJIHUIDADAJIANGDI。JIUXIANGXIATUSUOSHI,ATUSHIDAOJUZAIJIAGONGJIAOPINGTANWEIZHISHIDEZHUANGTAI,DANGJIAGONGDAOBWEIJITING,ZHUNBEIFANXIANGJIAGONGSHI,YINWEIGUANXINGZUOYONG,DAOJUHUIFASHENGBIANXING,CONGERZAOCHENGZAIBWEIJIAOZHISHENWEICHUDANDAOGUOQIE。

DAOJUBIANXINGLIANGDEGUANXISHI:

 

四川快乐12YOUSHANGMIANDEGONGSHIZHONG,WOMENKEYIKANDAO,YINGXIANGDAOJUBIANXINGDEZHUYAOYINSUYOUSANGE:

四川快乐12L - ZHUANGDAOZHANGDU

D - DAOJUZHIJING

P - DAOJUSUOSHOUDEZUOYONGLI

L - ZHUANGDAOZHANGDU

CONGGONGSHISHANGLAIKAN,DAOJUDEBIANXINGLIANGYUZHUANGDAOZHANGDUSHI3CIFANGDEGUANXI,TONGYANGZHIJINGDEDAOJU,DANGZHANGDAOZENGJIAYIBEI,QIBIANXINGLIANGJIANGHUIZENGDA3BEI。

在加工的时候,尽可能缩短装刀的长度,以减低出现弹刀的可能性。

D - 刀具直径

CONGGONGSHISHANGLAIKAN,DAOJUDEBIANXINGLIANGYUDAOJUZHIJINGSHI4CIFANGDEGUANXI,TONGYANGZHANGDUDEDAOJU,DANGDAOJUZHIJINGJIANSHAOYIBEI,TADEBIANXINGLIANGJIANGHUIZENGDA4BEI。

ZAIJIAGONGSHI,TIAOJIANYUNXUDEHUA,JINKENENGXUANZEDAZHIJINGDAOJUHUOCAIYONGJIAZHUANGDAOJULAIJIAGONG,YIJIANDIDANDAOFENGXIAN。(RUXIAYOUTUSUOSHI:ACAIYONGRESUOHEZHUIJINGDAO,BCAIYONGJIAZHUANGDAOBINGDEDAOJULAIJIAGONG)

P - 刀具所受的作用力

CONGGONGSHISHANGLAIKAN,DAOJUDEBIANXINGLIANGYUQIZAIJIAGONGZHONGSUOSHOUDEZUOYONGLISHIZHENGBIGUANXI,JIANSHAODAOJUSUOSHOUDEZUOYONGLIZEKEJIANDIDANDAODEJIHUI,KEYITONGGUOYIXIAFANGFAJIANSHAOJIAGONGZHONGDAOJUSUOSHOUDEZUOYONGLI。

JIANSHAOZUOYONGLIFENXI:

QIEXUESHIYIGEJIANQIEBIANXINGDEGUOCHENG,MEIZHONGCAILIAODOUYOUZIJIDEQIANGDU(σ),YAOSHICAILIAOFENLI,WAILAIDEQIANGDUBIXUDAYUCAILIAOBENSHENQIANGDU。

σ = F / S

σ : CAILIAODEQIANGDU

F:ZUOYONGLI

S : JIECHUMIANJI

CONGSHANGGONGSHIZHONGKEZHI,DAOJUSHOUDEZUOYONGLI(F)YUQIYUGONGJIANDEJIECHUMIANJI(S)CHENGZHENGBIGUANXI。YAOJIANSHAODAOJUSUOSHOUDEZUOYONGLIJIUYAOJIANSHAODAOJUYUGONGJIANDEJIECHUMIANJI。

JIANSHAOZUOYONGLILIZI1:

四川快乐12SHIYONGDAOLUZHUANJIAOGONGNENGHUOJIADARWEIDEFANGFALAIJIANSHAODAOJUZAIZHUANJIAOWEIDEFUHE,CONGERJIANGDIDANDAODEJILV。

JIANSHAOZUOYONGLILIZI2:

四川快乐12ZAIJIAGONGJIAOSHENWEIZHISHI,KECAIYONGJIAOXIAODEJINJILIANGHEXIRJIAODEDAOJU,YIJIANSHAOJIAGONGZHONGDAOJUSUOSHOUDEZUOYONGLI,YIJIANDIDANDAODEFENGXIAN。

XIATUSHISHIYONGD50R6DAOHED50R0.8DAOZAIJIAGONGTONGYANGSHENDUSHI,YUMOLIAOJIECHUWEIDEBIJIAOKEZHI,CAIYONGXIRJIAODAOJUJIAGONGSHENXINGGONGJIANBIDARJIAODAOJUGENGNENGJIANSHAOQIEXUELI。

总结:

四川快乐12ZONGHEDIYUNYONGYINGXIANGDAOJUBIANXINGDESANGEYOUGUANYINSU(ZHUANGDAOZHANGDU、DAOJUZHIJING、QIEXUELI),WANQUANKEYIJIANGDIDANDAODEJILV,TIGAOJIAGONGSHIJIAN,YIHUODEGENGHAODEJIAGONGJINGDUHEBIAOMIANCUCAODU。

 
标签: 刀具
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