【正文】 final markingCurved 10154. 分段扭曲度Distortion of subassembly1015在橫梁或桁材面板上測量Measured on face plates of beam or girder 5. 構(gòu)件安裝位置偏差Position deviation of members installation 177。4177。6Curved 177。Deviation of fixing and assembling to be in pliance with table 1112分類Classify 分段裝配Fixing and assembling 項(xiàng)目Items 標(biāo)準(zhǔn)范圍Standard 允許極限limits 備 注Remarks 制 造 尺 寸Dimension accuracy of block construction面與曲面分 Flat block (including flat block and curved block) 1分段寬度breadth of subassembly Flat 177。肋位方向與樣箱的空隙Gap between plate and box template in breadthwise direction≤≤長度方向與樣箱的空隙Gap between plate and box template in lengthwise direction≤ 加熱要求限定按表1111。 Bending deviation of shell plates is to be kept within the limits as defined in table1110. Table 1110 mm項(xiàng)目Items 標(biāo)準(zhǔn)范圍Standard 允許極限limits 備 注Remarks 單曲度板Plate with single curvature 曲面與樣板空隙Gap between curved face and template ≤≤每檔肋距內(nèi)Within each frame space三角樣板檢驗(yàn)線的直線度Straightness of check line on triangular template雙曲度板Plate with double curvature 拉線與樣板上基準(zhǔn)線的偏差Deviation between drawn line and reference line on template177。177。177。177。3186。2186。177。177。177。177。177。177。 but 177。but177。177。177。177。177。177。band ≥177。177。177。177。 加工 Forming 加工偏差按表119。177。 Deviation of planed and milled edges is to be kept within the limits as defined in table 118. Table 118 mm項(xiàng) 目Items 標(biāo)準(zhǔn)范圍Standard 允許極限limits 備 注Remarks 邊緣直線度Straightness of the edge ≤≤以10m長計(jì)Per 10m in length 坡口面角度Angle of groove177。177。177。177。上述以外區(qū)域（無設(shè)計(jì)要求）Other areas excluding the above (no design requirement)銳角保留Remaining acute angle 剪切偏差按表117。高應(yīng)力區(qū)域：如：強(qiáng)力甲板開孔和弦頂列板的自由邊勢按圖紙上注明的要求作業(yè)。＋－1 .2 .5 氣割邊緣打磨要求按表116。177。177。177。177。4176。2176。1.“notch”is defined as groove 3 times of the surface roughness. methods:；b. 必須時(shí)可采用堆焊法修補(bǔ)，但必須避免短焊縫 by grinding； welding may be applied where required, but short bead is to be carefully avoided. 重要的縱橫強(qiáng)力構(gòu)件Important longitudinals and transverses —＜其 他Others —＜焊接接縫邊Weld edge 對接接縫Butt weld、強(qiáng)力甲板Shell plate and strength deck within area of amidship —＜用砂輪或焊補(bǔ)修整缺口。Deviation of gas cutting is to be kept within the limits as defined in table 115.表115Table115 mm分 類Classify 氣 割Gas cutting 項(xiàng) 目Items 標(biāo)準(zhǔn)范圍Standard 允許極限limits 備 注Remark 氣割表面粗糙度Surface roughness of gas cutting構(gòu)件自由邊Free edge of members Important members 自動(dòng)、半自動(dòng)切割A(yù)utomatic, semiautomatic cutting steel section, tolerance of mechanical cutting is the same as those for manual cutting.2. 除去自由邊毛刺 on free edge shall be removed. 手工切割Manual cuttingSecondary members 自動(dòng)、半自動(dòng)切割A(yù)utomatic, semiautomatic cutting 手工切割Manual cutting焊接接頭Connection of welding Important members自動(dòng)、半自動(dòng)切割A(yù)utomatic, semiautomatic cutting 手工切割Manual cuttingSecondary members自動(dòng)、半自動(dòng)切割A(yù)utomatic, semiautomatic cutting 手工切割Manual cuttingTable115(end) mm分 類Classify 氣 割Gas cutting 項(xiàng) 目Items 項(xiàng) 目Items 氣割缺口Notch of gas cutting 構(gòu)件自由邊Free edges of members；強(qiáng)力甲板以及外板上所有開口的邊緣；特別重要的縱材及懸臂梁Upper edge of sheer strake, strengthen deck, and free edge of opening on shell plate within amidship。177。以每米計(jì)For every meter開孔切口Cut out, opening 0≤0≤ 分段劃線尺寸偏差按表114。直線度Straightnessl≤4m≤≤指零件的直線邊緣For straight edges of part or member4m＜l≤8m≤≤l＞8m≤≤角度Angle177。指矩形板For rectangular plate曲線外形Curved configuration177。對角線Difference between diagonals 177。寬度Breadth 177。The deviation of cuttings and marking is to be kept within the limits as defined in table 113. 表113 Table 113 mm分類Classify項(xiàng) 目Items 標(biāo)準(zhǔn)范圍Standard 允許極限limits 備 注Remarks 劃 線 下 料Cuttings and marking 下料線條的寬度偏差Breadth deviation of cuttings line≤≤中心線、理論線、對合線、檢查線、安裝位置線的偏差Deviation of centerline, theoretical line, alignment line, check line and installation position line≤≤零件下料尺寸偏差Dimension deviation of members cuttings 長度Length 177。Marine steel include bulb steel, angle bar, H shape steel, channel steel, flatbulb steel, round steel, halfround bar steel, square steel and steel pipe and so on should be in accordance with relative regulation, and the negative size and thickness should be in accordance with national ship regulation, national relative standard and the standard of metallurgy field. 型鋼表面質(zhì)量的檢驗(yàn)及修整可參照鋼板的有關(guān)規(guī)定執(zhí)行。Defect area is the affected area that is 50mm far away from the edge.See picture 1 and picture 2孤立點(diǎn)狀缺陷面積一般可以近似當(dāng)作圓形或長方形面積計(jì)算，聚集狀缺陷可按其組成的幾何圖形近似為正方形、長方形、三角形、圓形、梯形等面積計(jì)算。任何測量點(diǎn)測得的鋼板厚度負(fù)偏差均不應(yīng)超過表112所列的允許負(fù)偏差。Nondestructive test, or at shuold be done after removing defect. Repaire mathod is to be taken.氣孔、裂紋及其他有售缺陷Air bubbles, cracks and other hazardous defects Negative thickness tolerance for steel plates鋼板的測厚方法 Methods for measuring the thickness of steel plates鋼板的厚度在距離角頂不小于100mm和距離鋼板邊緣不小于40mm處測量。 breath or length of the part of standard size plate to be replaced are:For shell plate or strength deck plate:Within :1600mm；Outside : 800mm。1. It is remended to change part of the plate in case the lamination is fairly extensive.2. 標(biāo)準(zhǔn)規(guī)格的鋼板需更換的最小寬度或長度：外板和強(qiáng)力甲板：；。3. In case the builtup welding length exceeds 20% the edge length of the steel plate, nondestructive inspection is to be done to check the quality. Table 111(end)ClassifyItemsInstruc