河南(nan)磐石耐磨材料有(you)限公(gong)司
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地址(zhi):河(he)南(nan)省(sheng)鄭(zheng)州市(shi)鞏(gong)義市(shi)孝北(bei)工業區
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復(fu)合鑄(zhu)(zhu)造錘(chui)(chui)頭錘(chui)(chui)端復(fu)合層(ceng)采(cai)用(yong)(yong)高(gao)鉻鑄(zhu)(zhu)鐵(tie),錘(chui)(chui)柄(bing)(bing)采(cai)用(yong)(yong)碳素結(jie)構鋼。采(cai)用(yong)(yong)型(xing)內感應(ying)加(jia)熱工藝進行鑲鑄(zhu)(zhu)復(fu)合。造型(xing)時錘(chui)(chui)柄(bing)(bing)預先(xian)放置在砂型(xing)中,錘(chui)(chui)端和(he)澆注系統(tong)內澆道的成(cheng)型(xing)采(cai)用(yong)(yong)消失模。
復(fu)合(he)(he)(he)鑄(zhu)造錘(chui)(chui)(chui)頭(tou)錘(chui)(chui)(chui)端復(fu)合(he)(he)(he)層采(cai)用(yong)(yong)高(gao)(gao)鉻鑄(zhu)鐵,錘(chui)(chui)(chui)柄(bing)(bing)(bing)采(cai)用(yong)(yong)碳素結構鋼。采(cai)用(yong)(yong)型(xing)(xing)(xing)內(nei)感應加熱(re)工(gong)藝(yi)進(jin)行鑲鑄(zhu)復(fu)合(he)(he)(he)。造型(xing)(xing)(xing)時(shi)錘(chui)(chui)(chui)柄(bing)(bing)(bing)預先放(fang)置(zhi)在砂型(xing)(xing)(xing)中,錘(chui)(chui)(chui)端和(he)澆(jiao)注(zhu)系統內(nei)澆(jiao)道的(de)成型(xing)(xing)(xing)采(cai)用(yong)(yong)消失模。復(fu)合(he)(he)(he)時(shi)將包(bao)含(han)有錘(chui)(chui)(chui)柄(bing)(bing)(bing)的(de)砂型(xing)(xing)(xing)整體(ti)放(fang)入到(dao)感應圈內(nei)采(cai)用(yong)(yong)中頻感應原理(li)對錘(chui)(chui)(chui)柄(bing)(bing)(bing)進(jin)行預熱(re),錘(chui)(chui)(chui)柄(bing)(bing)(bing)溫度升(sheng)高(gao)(gao),錘(chui)(chui)(chui)端消失模受熱(re)汽化,錘(chui)(chui)(chui)柄(bing)(bing)(bing)達到(dao)預定溫度后澆(jiao)注(zhu)并(bing)繼(ji)續(xu)進(jin)行加熱(re),復(fu)合(he)(he)(he)層熔液(ye)將錘(chui)(chui)(chui)端部分錘(chui)(chui)(chui)柄(bing)(bing)(bing)包(bao)覆后停止(zhi)加熱(re)并(bing)繼(ji)續(xu)澆(jiao)注(zhu),使(shi)金屬液(ye)充(chong)滿冒口。所(suo)得到(dao)的(de)雙(shuang)金屬復(fu)合(he)(he)(he)錘(chui)(chui)(chui)頭(tou)結合(he)(he)(he)界面為(wei)完(wan)全(quan)冶金結合(he)(he)(he)。經過熱(re)處理(li)后,復(fu)合(he)(he)(he)層組織為(wei)斷續(xu)分布(bu)的(de)Cr7C3共晶碳化物+馬氏體(ti)+少量殘余奧氏體(ti),硬度HRC≥58,沖(chong)擊韌度≥12J/cm^2。基體(ti)組織為(wei)珠(zhu)光(guang)體(ti)+鐵素體(ti)。破碎石(shi)灰石(shi)和(he)煉焦用(yong)(yong)原煤,復(fu)合(he)(he)(he)鑄(zhu)造錘(chui)(chui)(chui)頭(tou)使(shi)用(yong)(yong)壽命分別是高(gao)(gao)錳鋼錘(chui)(chui)(chui)頭(tou)的(de)3倍和(he)5倍左(zuo)右。