論船舶艙室設(shè)備底座焊接工藝規(guī)范-wenkub
2023-04-24 07:34:16 本頁(yè)面
【正文】 voltage . 設(shè)備底座上船安裝前應(yīng)作好防繡漆，底座吊運(yùn)上船后應(yīng)妥善放置，并盡快安裝，不宜隨意亂丟，以防遺失、損壞。 Welding gun must have current volume and can be used for a long time , convenient operation to welder , feeding wire steadily . Crust of welding gun must have better insulated property . 4 人員 Personnel CO2保護(hù)焊的焊工必須經(jīng)過(guò)專門(mén)培訓(xùn)和考試，并按船級(jí)社合格證所規(guī)定之類別從事產(chǎn)品焊接。Don’t use it again when cylinder pressure is below 1 Mpa . 焊接設(shè)備 Welding equipment CO2氣體保護(hù)焊焊接設(shè)備應(yīng)采用設(shè)備制造廠生產(chǎn)的專用設(shè)備，并應(yīng)定期進(jìn)行嚴(yán)格的檢測(cè)與維修。 should choose CJ507 low hydrogen Na coating C steel electrode or CO2 gasshielded arc welding . 。 The height of tack welding don’t exceed normal welds , eliminating postweld slag at once .，定位焊縫不宜過(guò)短，一般強(qiáng)度鋼為（30~40）mm，高強(qiáng)度鋼為50mm，焊縫厚為（3~4）mm。 Referring to document ≤QUALITY INSPECTION OF SHIPBUILDING ≥3 焊接前準(zhǔn)備Preparation of forewelding CJ422鈦鈣型藥皮碳鋼焊條參數(shù)( CJ422 parameters for C steel electrode of Ti and Ca covering) (form)試驗(yàn)項(xiàng)目(Test project)δs(Mpa)δb(Mpa)δ5(%)AKV（20176。The specification rules the requirements of forewelding to preparation , personnel ,technological requirements ,technology process ,examination 。n船舶艙室設(shè)備底座焊接工藝規(guī)范 WELDING PROCEDURE SPECIFICATION FOR EQUIPMENT BASE OF HULL CABIN 1which are for base of important equipments and mon equipments of hull cabin . 本規(guī)范適用于各類船舶艙室設(shè)備底座的焊接。）J≥330≥420≥22≥47X射線探傷(Radiographic inspection)：Ⅱ級(jí)（Grade two） 焊條直徑(MM) Diameter45焊接電流(A) Current60~110120~150160~210220~270 CJ507低氫鈉藥皮碳鋼焊條參數(shù) (CJ422 parameters for C steel electrode of low hydrogen Na covering ) (form)試驗(yàn)項(xiàng)目(Test project)δs(Mpa)δb(Mpa)δ5(%)AKV（20℃）J(30℃)≥400≥490≥22≥47≥27X射線探傷(Radiographic inspection) Ⅱ級(jí)（Grade two） 焊條直徑(MM) Diameter45焊接電流(A) Current60~110120~150160~210220~270210~260 焊前施工人員應(yīng)先了解被焊工件的施工要求及作業(yè)環(huán)境、鋼材牌號(hào)等級(jí)、據(jù)此按材料的選配原則確定焊條焊絲牌號(hào)、規(guī)格及極性。 The length of tack welds shall be longer because of making defects easily with CO2 gasshielded arc welding .Common strength steel (30—40)mm, high strength steel 50mm ,thickness of welds (3—4)mm . 所要焊接的設(shè)備底座已經(jīng)按照裝配要求定位好，并且打磨焊前認(rèn)可才能進(jìn)入焊接階段。 May choose mon CJ422 C steel electrode of Ti and Ca covering for other monequipment base . 焊接材料 Welding consumable 焊絲： Welding wireCO2焊絲可選用直徑為（￠）mm的實(shí)芯焊絲或藥芯焊絲，并
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