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鎢鋼銑刀常見的有哪幾種
2021.04.02
鎢鋼銑刀銑削時一起參加切削的切削刃較長,且無空行程,所以出產率較高。銑刀品種許多,其結構也紛歧,使用范圍很廣,按其用途可分為加工平面用銑刀、加工溝槽用銑刀、加工成形面用銑刀等三大類。
通用規格的銑(xian)刀已標準(zhun)化,一(yi)般均由工具廠出產。現(xian)介(jie)紹(shao)幾種常(chang)用銑(xian)刀。
一種、立(li)銑(xian)刀
立(li)(li)銑(xian)(xian)刀(dao)是數控機床(chuang)上用得多的(de)一(yi)種銑(xian)(xian)刀(dao),立(li)(li)銑(xian)(xian)刀(dao)的(de)圓柱外(wai)表和端面(mian)(mian)上都有切(qie)(qie)削(xue)(xue)刀(dao),圓柱面(mian)(mian)上的(de)切(qie)(qie)削(xue)(xue)刃是主(zhu)切(qie)(qie)削(xue)(xue)刃,端面(mian)(mian)上分(fen)布著(zhu)副切(qie)(qie)削(xue)(xue)刃,主(zhu)切(qie)(qie)削(xue)(xue)刃一(yi)般(ban)為螺(luo)旋(xuan)齒,這樣可以添加(jia)切(qie)(qie)削(xue)(xue)平(ping)穩性,提高(gao)加(jia)工(gong)精度。它們可一(yi)起(qi)進(jin)行切(qie)(qie)削(xue)(xue),也可獨(du)自進(jin)行切(qie)(qie)削(xue)(xue)。但是由(you)于(yu)普通立(li)(li)銑(xian)(xian)刀(dao)端面(mian)(mian)中心處(chu)無(wu)切(qie)(qie)削(xue)(xue)刃,所以立(li)(li)銑(xian)(xian)刀(dao)作(zuo)業時(shi)不能作(zuo)軸向(xiang)進(jin)給,端面(mian)(mian)刃首(shou)要(yao)用來加(jia)工(gong)與側面(mian)(mian)相筆直(zhi)的(de)底平(ping)面(mian)(mian)。首(shou)要(yao)用于(yu)平(ping)面(mian)(mian)銑(xian)(xian)削(xue)(xue)、凹槽銑(xian)(xian)削(xue)(xue)、臺階面(mian)(mian)銑(xian)(xian)削(xue)(xue)和仿形銑(xian)(xian)削(xue)(xue)。
二種、三面刃銑刀
三(san)面(mian)刃(ren)(ren)(ren)(ren)銑刀(dao)簡稱(cheng)三(san)面(mian)刃(ren)(ren)(ren)(ren):三(san)個(ge)刃(ren)(ren)(ren)(ren)口(kou)均有(you)后角(jiao),刃(ren)(ren)(ren)(ren)口(kou)鋒利,切削(xue)輕捷(jie)。三(san)面(mian)刃(ren)(ren)(ren)(ren)銑刀(dao),可(ke)分為(wei)直齒(chi)三(san)面(mian)刃(ren)(ren)(ren)(ren)和(he)錯齒(chi)三(san)面(mian)刃(ren)(ren)(ren)(ren)。它首(shou)要用在臥式銑床(chuang)上加工臺(tai)階面(mian)和(he)一端(duan)或(huo)二(er)端(duan)貫穿的淺(qian)溝槽。三(san)面(mian)刃(ren)(ren)(ren)(ren)銑刀(dao)除圓周具有(you)主切削(xue)刃(ren)(ren)(ren)(ren)外,兩側面(mian)也有(you)副切削(xue)刃(ren)(ren)(ren)(ren),從(cong)而(er)改進了切削(xue)條件,提(ti)高了切削(xue)功(gong)率,減小了外表粗糙度(du)值。但重(zhong)磨后寬度(du)尺度(du)改變較大,鑲齒(chi)三(san)面(mian)刃(ren)(ren)(ren)(ren)銑刀(dao)可(ke)解決(jue)這(zhe)一個(ge)問題。
三種(zhong)、面銑刀
面(mian)(mian)銑(xian)刀(dao)(dao)與(yu)刀(dao)(dao)桿筆直的(de)(de)端(duan)面(mian)(mian)和外圓都(dou)有(you)切(qie)(qie)削(xue)(xue)(xue)刃,首(shou)要(yao)用于銑(xian)平面(mian)(mian)。外圓的(de)(de)切(qie)(qie)削(xue)(xue)(xue)刃是主(zhu)(zhu)切(qie)(qie)削(xue)(xue)(xue)刃,端(duan)面(mian)(mian)的(de)(de)切(qie)(qie)削(xue)(xue)(xue)刃起著(zhu)和刮刀(dao)(dao)一樣的(de)(de)效果。面(mian)(mian)銑(xian)刀(dao)(dao)與(yu)套式立銑(xian)刀(dao)(dao)比較(jiao)(jiao),其刃部較(jiao)(jiao)短。面(mian)(mian)銑(xian)刀(dao)(dao)首(shou)要(yao)用在(zai)立式銑(xian)床(chuang)或臥式銑(xian)床(chuang)上加工(gong)臺階(jie)面(mian)(mian)和平面(mian)(mian),特(te)別適(shi)合較(jiao)(jiao)大(da)平面(mian)(mian)的(de)(de)加工(gong),主(zhu)(zhu)偏角為90°的(de)(de)面(mian)(mian)銑(xian)刀(dao)(dao)可(ke)銑(xian)底(di)部較(jiao)(jiao)寬的(de)(de)臺階(jie)面(mian)(mian)。用面(mian)(mian)銑(xian)刀(dao)(dao)加工(gong)平面(mian)(mian),一起參(can)加切(qie)(qie)削(xue)(xue)(xue)的(de)(de)刀(dao)(dao)齒較(jiao)(jiao)多,又有(you)副切(qie)(qie)削(xue)(xue)(xue)刃的(de)(de)修光效果,使加工(gong)外表粗糙度值小,因而(er)可(ke)以(yi)用較(jiao)(jiao)大(da)的(de)(de)切(qie)(qie)削(xue)(xue)(xue)用量,出產率較(jiao)(jiao)高,使用廣泛。
四(si)種、螺紋銑刀
傳(chuan)統(tong)的(de)(de)(de)(de)螺(luo)紋(wen)(wen)(wen)加(jia)(jia)(jia)工(gong)(gong)辦(ban)(ban)法(fa)首要為選用(yong)(yong)螺(luo)紋(wen)(wen)(wen)車刀車削螺(luo)紋(wen)(wen)(wen)或選用(yong)(yong)絲錐(zhui)、板牙手藝(yi)攻絲及套(tao)扣。隨著數控(kong)(kong)(kong)加(jia)(jia)(jia)工(gong)(gong)技(ji)能的(de)(de)(de)(de)開(kai)展,尤(you)其是三軸聯動數控(kong)(kong)(kong)加(jia)(jia)(jia)工(gong)(gong)體(ti)系(xi)的(de)(de)(de)(de)呈現(xian),使更螺(luo)紋(wen)(wen)(wen)加(jia)(jia)(jia)工(gong)(gong)辦(ban)(ban)法(fa)——螺(luo)紋(wen)(wen)(wen)的(de)(de)(de)(de)數控(kong)(kong)(kong)銑削得以實(shi)現(xian)。螺(luo)紋(wen)(wen)(wen)銑削加(jia)(jia)(jia)工(gong)(gong)與傳(chuan)統(tong)螺(luo)紋(wen)(wen)(wen)加(jia)(jia)(jia)工(gong)(gong)辦(ban)(ban)法(fa)比較, 在加(jia)(jia)(jia)工(gong)(gong)精度、加(jia)(jia)(jia)工(gong)(gong)功率(lv)方面具有大優勢(shi),且加(jia)(jia)(jia)工(gong)(gong)時不受螺(luo)紋(wen)(wen)(wen)結(jie)構和螺(luo)紋(wen)(wen)(wen)旋(xuan)(xuan)向(xiang)的(de)(de)(de)(de)限制,如一把螺(luo)紋(wen)(wen)(wen)銑刀可加(jia)(jia)(jia)工(gong)(gong)多種不同旋(xuan)(xuan)向(xiang)的(de)(de)(de)(de)內、外螺(luo)紋(wen)(wen)(wen)。對(dui)于不允(yun)許有過渡扣或退刀槽結(jie)構的(de)(de)(de)(de)螺(luo)紋(wen)(wen)(wen),選用(yong)(yong)傳(chuan)統(tong)的(de)(de)(de)(de)車削辦(ban)(ban)法(fa)或絲錐(zhui)、板牙很難加(jia)(jia)(jia)工(gong)(gong),但選用(yong)(yong)數控(kong)(kong)(kong)銑削卻非常簡單實(shi)現(xian)。
此外(wai),螺(luo)紋(wen)(wen)銑(xian)(xian)刀的(de)(de)(de)耐用度(du)是(shi)絲錐(zhui)的(de)(de)(de)十多倍甚至數(shu)(shu)(shu)十倍,而且在數(shu)(shu)(shu)控銑(xian)(xian)削(xue)(xue)(xue)螺(luo)紋(wen)(wen)過(guo)程中,對(dui)螺(luo)紋(wen)(wen)直(zhi)徑尺(chi)度(du)的(de)(de)(de)調整(zheng)為便利(li),這是(shi)選用絲錐(zhui)、板牙(ya)難以做到(dao)的(de)(de)(de)。由于螺(luo)紋(wen)(wen)銑(xian)(xian)削(xue)(xue)(xue)加(jia)工(gong)的(de)(de)(de)諸(zhu)多優勢, 現在發達國的(de)(de)(de)大(da)批量螺(luo)紋(wen)(wen)出產已較廣泛地選用了銑(xian)(xian)削(xue)(xue)(xue)工(gong)藝。隨著我國數(shu)(shu)(shu)控機床(chuang)的(de)(de)(de)開展,也逐步得到(dao)我國廣大(da)客戶的(de)(de)(de)承受和(he)喜愛。螺(luo)紋(wen)(wen)銑(xian)(xian)削(xue)(xue)(xue)借助數(shu)(shu)(shu)控加(jia)工(gong)中心(xin)機床(chuang)的(de)(de)(de)三軸聯(lian)動功能及G02或G03螺(luo)旋插(cha)補指令,完結螺(luo)紋(wen)(wen)銑(xian)(xian)削(xue)(xue)(xue)作業。
螺紋銑刀(dao),作為(wei)一種(zhong)近年來快速開展的刀(dao)具(ju),正越(yue)來越(yue)廣(guang)泛(fan)地被企業承受,并表現出杰出超凡的加(jia)工(gong)功(gong)能,成為(wei)企業降低螺紋加(jia)工(gong)成本,提高功(gong)率,解(jie)決螺紋加(jia)工(gong)難題(ti)的有力兵(bing)器(qi)。
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