锟絏锟侥猴拷锟接的橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n) 锟斤拷锟斤拷锟絏锟斤拷

锟斤拷锟斤拷锟絢锟斤拷锟斤拷锟斤拷直锟斤拷锟絅锟斤拷锟斤拷锟絢锟斤拷锟斤拷锟杰夛拷锟斤拷锟节猴拷锟斤拷锟絏锟斤拷锟絏锟较斤拷锟斤拷锟斤拷锟斤拷锟絏锟斤拷锟絏锟较斤拷锟斤拷(du锟斤拷)锟斤拷锟絅锟斤拷锟斤拷锟絢锟斤拷锟斤拷锟絤锟斤拷(y锟斤拷ng)锟皆诧拷一锟斤拷锟斤拷锟斤拷锟絅锟斤拷锟斤拷锟絢锟斤拷锟斤拷锟斤拷锟斤拷缘锟绞癸拷脠锟斤拷稀锟斤拷夂革拷锟�锟斤拷锟絣電伙拷锟斤拷锟絢锟斤拷锟斤拷锟絆(sh锟斤拷)锟戒簡锟皆★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解焊锟斤拷锟斤拷锟节岋拷(du锟斤拷)锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟襟不高碉拷锟絏锟斤拷锟斤拷锟斤拷锟絋锟斤拷锟斤拷锟絘(b锟斤拷)锟斤拷锟斤拷锟斤拷锟絣電伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟絏锟较斤拷锟絋锟斤拷锟斤拷锟絘(b锟斤拷)锟斤拷锟斤拷锟斤拷锟皆氾拷锟絯锟絊锟給(h锟斤拷)锟斤拷(TIG锟斤拷MIG)锟絢锟斤拷锟斤拷使锟斤拷锟絕锟絍锟斤拷锟斤拷锟絏锟斤拷锟絏锟较金焊斤拷锟絢锟斤拷锟斤拷锟絏锟斤拷锟絏锟较金薄帮拷锟斤拷x锟斤拷锟絬锟絆锟斤拷锟斤拷锟藉弧锟斤拷锟斤拷锟絬锟絆锟絵锟絖锟藉弧锟斤拷锟斤拷锟絏锟斤拷锟絏锟较斤拷锟斤拷锟斤拷锟絰锟斤拷锟絬锟絆锟斤拷锟斤拷锟斤拷锟斤拷锟藉氦锟斤拷锟斤拷u锟絆锟斤拷锟絯锟絊锟給(h锟斤拷)锟斤拷锟斤拷锟桔伙拷锟絆锟斤拷锟絯锟絊锟給(h锟斤拷)锟斤拷锟斤拷锟絵锟絖锟桔伙拷锟絆锟斤拷锟絯锟絊锟給(h锟斤拷)锟斤拷锟斤拷锟桔伙拷锟絆锟斤拷锟絯锟絊锟給(h锟斤拷)锟斤拷锟斤拷锟絵锟絖锟桔伙拷锟絆锟斤拷锟絯锟絊锟給(h锟斤拷)锟斤拷使锟斤拷越锟斤拷越锟絍锟斤拷(锟斤拷锟斤拷锟�/锟斤拷锟斤拷蠚锟�) 锟斤拷前锟紸(y锟斤拷)锟斤拷

1锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟絏锟斤拷锟絏锟较金焊接時(sh锟斤拷)锟斤拷锟斤拷前锟斤拷(y锟斤拷ng)锟斤拷(y锟斤拷n)锟斤拷锟絇锟斤拷锟斤拷锟斤拷锟斤拷锟节硷拷锟斤拷锟絲锟斤拷锟斤拷锟�锟斤拷锟斤拷膜锟斤拷锟斤拷锟斤拷;

1)锟斤拷锟絎(xu锟斤拷)锟藉潔锟斤拷锟絎(xu锟斤拷)锟藉潔效锟绞高ｏ拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷(w锟斤拷n)锟斤拷锟絤锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絲锟斤拷锟竭度诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絘(ch锟斤拷n)锟侥癸拷锟斤拷锟斤拷锟斤拷锟矫斤拷洗锟斤拷锟酵诧拷洗锟斤拷锟缴種锟�锟斤拷锟斤拷帽锟酵�锟斤拷锟斤拷锟酵★拷锟斤拷锟酵碉拷锟叫機(j锟斤拷)锟杰勶拷锟斤拷锟饺ワ拷锟�锟斤拷锟斤拷40锟芥～70锟斤拷锟�5%锟斤拷10%NaOH锟斤拷液锟紸洗3 min锟斤拷7 min(锟斤拷锟絏锟絩(sh锟斤拷)锟斤拷锟斤拷锟絃锟斤拷锟斤拷锟斤拷越20 min)锟斤拷锟斤拷锟�(d锟斤拷ng)锟斤拷水锟絖刷锟斤拷锟斤拷锟斤拷锟斤拷锟揭滐拷锟斤拷60锟斤拷锟�30%HNO3锟斤拷液锟斤拷洗1 min锟斤拷3 min锟斤拷锟斤拷锟�(d锟斤拷ng)锟斤拷水锟絖刷锟斤拷锟絃(f锟斤拷ng)锟缴伙拷蜏乜锟斤拷铩�

2)锟紺(j锟斤拷)械锟斤拷锟斤拷:锟节癸拷锟斤拷锟竭讹拷锟絕锟斤拷锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟絕锟絃锟斤拷锟斤拷锟接猴拷锟津化學(xu锟斤拷)锟藉潔锟斤拷锟斤拷沾锟桔時(sh锟斤拷)锟斤拷锟斤拷锟絰锟矫機(j锟斤拷)械锟斤拷锟斤拷锟斤拷锟斤拷锟矫憋拷酮锟斤拷锟斤拷锟酵碉拷锟叫機(j锟斤拷)锟杰勶拷锟斤拷試锟斤拷锟斤拷猿锟斤拷锟�锟斤拷锟絊锟斤拷直锟斤拷锟斤拷直锟斤拷锟斤拷0.15 mm锟斤拷0.2 mm锟斤拷锟絶锟絲刷锟斤拷锟斤拷锟絇锟�锟絲刷锟斤拷刷锟斤拷刷锟斤拷露锟斤拷锟斤拷锟劫癸拷锟酵Ｖ�锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷砂輪锟斤拷通锟斤拷砂锟斤拷锟斤拷磨锟斤拷锟斤拷锟斤拷砂锟斤拷锟斤拷锟节斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟接時(sh锟斤拷)锟組(j锟斤拷n)锟斤拷锟桔池發(f锟斤拷)锟斤拷锟紸锟斤拷锟斤拷缺锟絚(di锟斤拷n)锟斤拷锟絜锟斤拷也锟斤拷锟矫刮碉拷锟斤拷锟絊锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟脚時(sh锟斤拷)锟斤拷锟絕锟絃(锟界超越24 h)锟斤拷(y锟斤拷ng)锟斤拷(d锟斤拷ng)锟斤拷锟斤拷處锟斤拷锟斤拷

2锟斤拷锟絴锟斤拷:锟絏锟较斤拷锟节高溫時(sh锟斤拷)锟斤拷(qi锟斤拷ng)锟饺很碉拷锟斤拷液锟紹(t锟斤拷i)锟絏锟侥伙拷锟�(d锟斤拷ng)锟斤拷锟杰好ｏ拷锟节猴拷锟接時(sh锟斤拷)锟斤拷锟絧锟斤拷锟劫猴拷锟皆發(f锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿確锟斤拷锟斤拷透锟斤拷锟街诧拷锟斤拷锟斤拷锟戒，锟斤拷锟接斤拷(j锟斤拷ng)锟斤拷锟絰锟矫墊锟斤拷锟斤拷锟阶★拷鄢丶锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟絴锟斤拷锟斤拷x锟斤拷石墨锟斤拷锟斤拷锟斤拷锟絇鋼帮拷锟斤拷碳锟斤拷鋼帮拷锟斤拷锟絶锟斤拷锟斤拷锟絶锟斤拷锟斤拷锟斤拷锟絴锟斤拷锟斤拷锟斤拷_一锟斤拷(g锟斤拷)锟紸锟斤拷锟轿诧拷锟斤拷锟皆確锟斤拷锟斤拷锟絧锟斤拷锟酵筹拷锟斤拷锟斤拷也锟杰夠不加墊锟斤拷锟斤拷婧革拷p锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟襟焊接诧拷锟斤拷锟届練锟斤拷杉{锟斤拷(du锟斤拷)電伙拷施锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷n)锟斤拷锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟劫控碉拷锟絀(l锟斤拷ng)锟饺硷拷锟絞(sh锟斤拷)锟絢锟斤拷锟斤拷

3锟斤拷锟斤拷前锟紸(y锟斤拷)锟斤拷:锟斤拷锟斤拷小锟絏锟斤拷通锟斤拷锟斤拷锟斤拷锟紸(y锟斤拷)锟斤拷锟斤拷锟斤拷锟�10 mm锟斤拷15 mm锟絩(sh锟斤拷)锟斤拷锟組(j锟斤拷n)锟叫猴拷前锟紸(y锟斤拷)锟结，锟斤拷锟斤拷(j锟斤拷)锟斤拷一锟斤拷锟斤拷偷锟斤拷X锟较斤拷锟紸(y锟斤拷)锟斤拷囟瓤蔀锟�100锟芥～200锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷炔锟芥、電爐锟津噴燂拷锟饺加燂拷锟斤拷锟紸(y锟斤拷)锟斤拷锟绞癸拷锟斤拷锟斤拷p小變锟轿★拷锟絧锟劫氾拷椎锟饺憋拷c(di锟斤拷n)锟斤拷 锟斤拷锟斤拷處锟斤拷

(1)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节猴拷锟絧锟斤拷锟斤拷锟斤拷锟侥氾拷锟芥焊锟斤拷锟酵猴拷锟斤拷锟饺曪拷(hu锟斤拷)锟絧锟斤拷锟絏锟斤拷锟斤拷锟斤拷g锟斤拷膜锟斤拷锟叫時(sh锟斤拷)還锟斤拷(hu锟斤拷)锟斤拷锟絞锟絏锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟巾潔锟斤拷锟斤拷锟轿狀簡锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟侥癸拷锟斤拷锟杰夛拷锟矫燂拷水锟絖刷锟斤拷锟斤拷锟解吹刷锟饺猴拷锟斤拷锟絢锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷叨锟斤拷螤锟斤拷s锟統锟斤拷锟絏锟斤拷锟斤拷锟节燂拷水锟斤拷锟接裁⑺⑾达拷锟斤拷锟斤拷锟�60锟芥～80锟斤拷[锟斤拷锟斤拷锟斤拷葹锟�2%锟斤拷3%锟斤拷锟絫锟斤拷水锟斤拷液锟斤拷锟斤拷锟絫锟斤拷锟斤拷锟揭猴拷薪锟较�5 min锟斤拷10 min锟斤拷锟斤拷锟斤拷硬毛刷洗刷锟斤拷然锟斤拷锟节燂拷水锟叫沖刷洗刷锟斤拷锟矫猴拷锟斤拷锟缴ｏ拷锟斤拷锟矫燂拷諝獯碉拷锟�锟斤拷也锟斤拷锟斤拷然锟斤拷锟斤拷锟斤拷

(2)锟斤拷锟斤拷锟教庯拷锟斤拷X锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟教庯拷锟�锟斤拷