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不鏽鋼管件在製作過程中產生形變怎麼辦?
1、自由矯正和模具矯正:自由矯正是將不鏽鋼管件放在平板上或專用的簡易胎模上,用錘子敲打,直到尺寸、形(xing)狀(zhuang)符(fu)合(he)要(yao)求(qiu)為(wei)止(zhi)。多(duo)用(yong)於(yu)中(zhong)小(xiao)件(jian)。大(da)鑄(zhu)件(jian)一(yi)般(ban)在(zai)指(zhi)定(ding)的(de)矯(jiao)正(zheng)設(she)備(bei)上(shang)進(jin)行(xing)矯(jiao)正(zheng)。矯(jiao)正(zheng)前(qian)應(ying)掌(zhang)握(wo)鑄(zhu)件(jian)的(de)變(bian)形(xing)規(gui)律(lv),配(pei)備(bei)需(xu)要(yao)的(de)與(yu)鑄(zhu)件(jian)矯(jiao)正(zheng)部(bu)分(fen)幾(ji)何(he)形(xing)狀(zhuang)和(he)尺(chi)寸(cun)相(xiang)適(shi)應(ying)的(de)矯(jiao)正(zheng)模(mo)具(ju),模(mo)具(ju)矯(jiao)正(zheng)是(shi)把(ba)鑄(zhu)件(jian)置(zhi)於(yu)成(cheng)型(xing)模(mo)具(ju)中(zhong)(一般分上、下模),並bing在zai選xuan定ding的de矯jiao正zheng機ji上shang用yong選xuan定ding的de壓ya力li對dui鑄zhu件jian進jin行xing整zheng體ti矯jiao正zheng。整zheng體ti矯jiao正zheng時shi,一yi般ban采cai用yong起qi重zhong設she備bei或huo機ji械xie手shou將jiang鑄zhu件jian裝zhuang入ru或huo取qu出chu矯jiao正zheng模mo具ju。整zheng體ti矯jiao正zheng用yong的de矯jiao正zheng模mo具ju需xu專zhuan門men設she計ji和he製zhi造zao,精jing度du要yao求qiu高gao,適shi用yong於yu大da量liang流liu水shui線xian生sheng產chan,生sheng產chan效xiao率lv高gao,勞lao動dong強qiang度du小xiao,矯jiao正zheng後hou的de鑄zhu件jian尺chi寸cun偏pian差cha小xiao。

2、冷矯正和熱矯正:冷矯正是用錘擊,手動壓力機,千斤頂,摩擦壓力機或液壓機對常溫鑄件進行矯正。適用於幾何形狀簡單、變形量小的中、小xiao型xing薄bo壁bi鑄zhu件jian,或huo變bian形xing量liang較jiao大da但dan塑su性xing較jiao好hao的de鑄zhu態tai鋁lv合he金jin鑄zhu件jian,以yi及ji變bian形xing量liang大da的de淬cui火huo態tai鋁lv合he金jin鑄zhu件jian。當dang鑄zhu件jian結jie構gou複fu雜za時shi,可ke借jie助zhu矯jiao正zheng模mo具ju進jin行xing矯jiao正zheng。熱re矯jiao正zheng分fen為wei局ju部bu加jia熱re和he整zheng體ti加jia熱re兩liang種zhong。某mou些xie不bu鏽xiu鋼gang管guan件jian冷leng矯jiao正zheng較jiao困kun難nan時shi,可ke局ju部bu加jia熱re後hou用yong錘chui擊ji或huo用yong壓ya力li機ji進jin行xing矯jiao正zheng。厚hou壁bi大da鑄zhu件jian應ying進jin行xing整zheng體ti加jia熱re矯jiao正zheng,矯jiao正zheng前qian測ce定ding出chu需xu要yao矯jiao正zheng的de變bian形xing量liang,然ran後hou放fang於yu熱re處chu理li爐lu內nei的de墊dian鐵tie上shang,墊dian上shang適shi當dang的de墊dian塊kuai,在zai需xu矯jiao正zheng部bu位wei的de上shang麵mian施shi加jia適shi當dang載zai荷he,在zai熱re處chu理li過guo程cheng中zhong借jie助zhu載zai荷he的de作zuo用yong將jiang變bian形xing量liang矯jiao正zheng過guo來lai。如ru果guo在zai熱re處chu理li後hou進jin行xing矯jiao正zheng,矯jiao正zheng後hou應ying進jin行xing消xiao除chu應ying力li回hui火huo,矯jiao正zheng溫wen度du及ji消xiao除chu應ying力li回hui火huo溫wen度du應ying比bi熱re處chu理li回hui火huo溫wen度du低di10—20℃。