顎式破碎機規劃、選材
在zai規gui劃hua時shi,動dong顎e和he定ding顎e的de破po碎sui板ban應ying該gai齒chi峰feng對dui齒chi穀gu。這zhe樣yang,破po碎sui時shi對dui物wu料liao除chu了le有you揉rou捏nie作zuo用yong外wai,還hai有you彎wan曲qu作zuo用yong,物wu料liao比bi較jiao簡jian單dan破po碎sui。為wei了le加jia強qiang破po碎sui板ban的de運yun用yong壽shou命ming,中zhong小xiao型xing破po碎sui機ji的de破po碎sui板ban規gui劃hua成cheng上shang下xia對dui稱cheng的de形xing狀zhuang,當dang下xia部bu磨mo損sun後hou可ke調tiao頭tou運yun用yong;大(da)型(xing)顎(e)式(shi)破(po)碎(sui)機(ji)的(de)破(po)碎(sui)板(ban)規(gui)劃(hua)成(cheng)互(hu)相(xiang)對(dui)稱(cheng)的(de)幾(ji)塊(kuai),以(yi)便(bian)磨(mo)損(sun)後(hou)可(ke)將(jiang)破(po)碎(sui)板(ban)調(tiao)換(huan)運(yun)用(yong)。破(po)碎(sui)板(ban)的(de)材(cai)料(liao)能(neng)夠(gou)選(xuan)用(yong)白(bai)口(kou)鑄(zhu)鐵(tie)。白(bai)口(kou)鑄(zhu)鐵(tie)硬(ying)度(du)較(jiao)大(da)、耐磨性較好、來曆簡單、價格便宜;缺陷是性脆、簡單折斷、運用壽命短。為了提高破碎板的運用壽命,材料采用含錳12%以上的錳鋼更好,常用的是ZGMn13。錳鋼的耐性較好,雖然硬度不高(大約為210HB),可(ke)是(shi),由(you)於(yu)具(ju)有(you)冷(leng)加(jia)工(gong)硬(ying)化(hua)的(de)特(te)點(dian),在(zai)壓(ya)力(li)作(zuo)用(yong)下(xia)會(hui)不(bu)斷(duan)被(bei)強(qiang)化(hua),故(gu)在(zai)工(gong)作(zuo)中(zhong)不(bu)斷(duan)磨(mo)損(sun)又(you)不(bu)斷(duan)強(qiang)化(hua),直(zhi)到(dao)磨(mo)損(sun)至(zhi)不(bu)能(neng)運(yun)用(yong)才(cai)報(bao)廢(fei)。錳(meng)鋼(gang)破(po)碎(sui)板(ban)澆(jiao)鑄(zhu)後(hou)要(yao)通(tong)過(guo)水(shui)韌(ren)處(chu)理(li),水(shui)韌(ren)處(chu)理(li)的(de)操(cao)作(zuo)大(da)體(ti)上(shang)與(yu)淬(cui)火(huo)相(xiang)同(tong),即(ji)把(ba)鑄(zhu)造(zao)出(chu)來(lai)的(de)錳(meng)鋼(gang)破(po)碎(sui)板(ban)加(jia)熱(re)到(dao)1000~1100℃houzaishuizhongkuaisulengque。shuirenchulihounenggoudedaojunyundejinxianganpai,bingshijinxianganpaigudingxialai,bimianlezaiyunyongzhongziranfashengxiangbianershixingnengbiancha。menggangdequexianshijiagejiaogui,dancongyunyongshouming、本錢等方麵總體考慮,ZGMn13比白口鑄鐵運用壽命長、本錢低。
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