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在選擇鍛造加熱爐時,需要注意以下幾個問題:
加(jia)(jia)熱(re)(re)溫(wen)(wen)度(du)(du)(du)(du)(du):確定(ding)被加(jia)(jia)熱(re)(re)工(gong)件的(de)(de)材(cai)質(zhi),因為不(bu)同材(cai)質(zhi)的(de)(de)加(jia)(jia)熱(re)(re)工(gong)件其加(jia)(jia)熱(re)(re)溫(wen)(wen)度(du)(du)(du)(du)(du)是不(bu)同的(de)(de),要(yao)確保加(jia)(jia)熱(re)(re)溫(wen)(wen)度(du)(du)(du)(du)(du)符合加(jia)(jia)熱(re)(re)工(gong)藝(yi)要(yao)求(qiu)。例(li)如,合金鋼材(cai)質(zhi)的(de)(de)加(jia)(jia)熱(re)(re)溫(wen)(wen)度(du)(du)(du)(du)(du)一般為1200度(du)(du)(du)(du)(du),鋁(lv)材(cai)質(zhi)的(de)(de)加(jia)(jia)熱(re)(re)溫(wen)(wen)度(du)(du)(du)(du)(du)為450度(du)(du)(du)(du)(du),銅合金材(cai)質(zhi)的(de)(de)加(jia)(jia)熱(re)(re)溫(wen)(wen)度(du)(du)(du)(du)(du)為1000度(du)(du)(du)(du)(du)。
工(gong)(gong)(gong)件的外(wai)形(xing)尺寸(cun)(cun)和重量:鍛造(zao)加(jia)熱爐(lu)的選(xuan)擇需要考(kao)慮到工(gong)(gong)(gong)件的外(wai)形(xing)尺寸(cun)(cun)和重量,以確定加(jia)熱工(gong)(gong)(gong)件到工(gong)(gong)(gong)藝溫(wen)度(du)所需的熱量,從而簡單確定加(jia)熱功(gong)(gong)率(lv)(lv)。一般來(lai)說,被(bei)加(jia)熱的工(gong)(gong)(gong)件形(xing)狀和尺寸(cun)(cun)較大時(shi),應選(xuan)用相(xiang)對功(gong)(gong)率(lv)(lv)大、頻(pin)率(lv)(lv)低的加(jia)熱爐(lu);而工(gong)(gong)(gong)件較小(xiao)、形(xing)狀復(fu)雜時(shi),則應選(xuan)用相(xiang)對功(gong)(gong)率(lv)(lv)小(xiao)、頻(pin)率(lv)(lv)高(gao)的加(jia)熱爐(lu)。
加(jia)(jia)熱(re)速度和(he)生(sheng)產(chan)效(xiao)率:鍛造加(jia)(jia)熱(re)爐的(de)(de)加(jia)(jia)熱(re)速度和(he)生(sheng)產(chan)效(xiao)率是(shi)選擇(ze)時需要考慮的(de)(de)重要因素。要確保加(jia)(jia)熱(re)爐能以快的(de)(de)速度加(jia)(jia)熱(re)到預定的(de)(de)溫度,提高生(sheng)產(chan)效(xiao)率,同時也(ye)要注意節(jie)能。
加(jia)(jia)熱質(zhi)量(liang)和環(huan)保要(yao)求:加(jia)(jia)熱爐(lu)(lu)應盡量(liang)減(jian)(jian)少(shao)加(jia)(jia)熱金屬吸收有害氣體,如氧(yang)、氫、氮(dan)氣等,以減(jian)(jian)少(shao)氧(yang)化、脫(tuo)碳或氫脆等缺陷,提(ti)高(gao)加(jia)(jia)熱質(zhi)量(liang)。同時,也(ye)要(yao)考慮環(huan)保要(yao)求,選擇環(huan)保性能好的加(jia)(jia)熱爐(lu)(lu)。
設(she)備結(jie)(jie)構和造價:鍛(duan)造加熱爐的設(she)備結(jie)(jie)構和造價也(ye)是選(xuan)擇(ze)時需(xu)要(yao)(yao)考慮的因(yin)素。要(yao)(yao)選(xuan)擇(ze)結(jie)(jie)構簡單緊湊(cou)、造價低、使用壽命長的加熱爐,以(yi)降低設(she)備投資成本(ben)。