石墨數控刀片挑選適合的幾何圖形視角,有利于減少數控刀片的震動,相反,石墨鋼件也不易崩缺;
1.前(qian)(qian)角(jiao),選(xuan)用(yong)負(fu)前(qian)(qian)角(jiao)生(sheng)(sheng)產(chan)加工(gong)(gong)石墨時(shi)(shi),數(shu)(shu)控(kong)刀(dao)片齒面(mian)(mian)抗(kang)(kang)壓強度(du)(du)不錯,抗(kang)(kang)沖擊(ji)和磨擦(ca)的特性好(hao),伴隨(sui)著負(fu)前(qian)(qian)角(jiao)*對值的減少,后刀(dao)面(mian)(mian)損壞總面(mian)(mian)積轉變并不大(da)(da)(da),但整體(ti)呈減少發展趨(qu)勢(shi),選(xuan)用(yong)正前(qian)(qian)角(jiao)生(sheng)(sheng)產(chan)加工(gong)(gong)時(shi)(shi),伴隨(sui)著前(qian)(qian)角(jiao)的擴大(da)(da)(da),數(shu)(shu)控(kong)刀(dao)片齒面(mian)(mian)抗(kang)(kang)壓強度(du)(du)被消弱,反(fan)倒造成后刀(dao)面(mian)(mian)損壞加重。負(fu)前(qian)(qian)角(jiao)生(sheng)(sheng)產(chan)加工(gong)(gong)時(shi)(shi),鉆削(xue)摩擦(ca)阻力大(da)(da)(da),擴大(da)(da)(da)了鉆削(xue)震動,選(xuan)用(yong)大(da)(da)(da)正前(qian)(qian)角(jiao)生(sheng)(sheng)產(chan)加工(gong)(gong)時(shi)(shi),數(shu)(shu)控(kong)刀(dao)片損壞比較嚴重,鉆削(xue)震動也很(hen)大(da)(da)(da)。
2.后角(jiao)(jiao),假如后角(jiao)(jiao)的擴大,則數控(kong)刀(dao)片齒面抗壓強度減少,后刀(dao)面損(sun)壞(huai)總面積慢慢擴大。數控(kong)刀(dao)片后角(jiao)(jiao)過大后,鉆削震動提(ti)升。
3.螺(luo)旋式(shi)角,螺(luo)旋式(shi)角較(jiao)鐘頭,同一鉆削(xue)(xue)刃(ren)上另外選(xuan)擇石(shi)墨(mo)鋼(gang)件的(de)(de)刃(ren)長*多,鉆削(xue)(xue)摩擦(ca)阻(zu)力較(jiao)大(da),數控刀片(pian)(pian)承擔(dan)的(de)(de)鉆削(xue)(xue)撞擊力較(jiao)大(da),因(yin)(yin)此數控刀片(pian)(pian)損壞、切削(xue)(xue)力和鉆削(xue)(xue)震(zhen)動全是(shi)較(jiao)大(da)的(de)(de)。當(dang)螺(luo)旋式(shi)角去很大(da)時,切削(xue)(xue)協力的(de)(de)方位(wei)偏移鋼(gang)件表(biao)層的(de)(de)水平大(da),石(shi)墨(mo)原材料因(yin)(yin)崩碎而(er)導致(zhi)的(de)(de)鉆削(xue)(xue)沖擊性加重,因(yin)(yin)此數控刀片(pian)(pian)損壞、切削(xue)(xue)力和鉆削(xue)(xue)震(zhen)動也都有一定(ding)的(de)(de)擴大(da)。
因(yin)而(er),數控刀片(pian)(pian)視角(jiao)轉變對數控刀片(pian)(pian)損壞、切削力和鉆削震(zhen)動的危(wei)害是前角(jiao)、后角(jiao)及螺旋式角(jiao)綜合性造成(cheng)的,因(yin)此(ci)在(zai)挑選(xuan)層(ceng)面一(yi)定要多加留意。