【文章內容簡介】 項 目Items 標準范圍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。177。寬度Breadth 177。177。對角線Difference between diagonals 177。177。指矩形板For rectangular plate曲線外形Curved configuration177。177。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。177。以每米計For every meter開孔切口Cut out, opening 0≤0≤ 分段劃線尺寸偏差按表114。 Deviation of marking dimension of block structure is to be kept within the limits as defined in table 114表114Table 114 mm項 目Items 標準范圍Standard 允許極限limits 備 注Remarks 平面分段劃線與圖樣尺寸的偏差Deviation of marking line of panel block, pared with designed dimension 177。177。分段上構件劃線位置與圖樣標注位置的偏差Deviation of marking line of members on block, pared with designed position 氣割1 .2 .4 Gas cutting 氣割偏差按表 115。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 目Items 標準范圍Standard 允許極限limits 備 注Remark 氣割表面粗糙度Surface roughness of gas cutting構件自由邊Free edge of members Important members 自動、半自動切割Automatic, 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、半自動切割Automatic, semiautomatic cutting 手工切割Manual cutting焊接接頭Connection of welding Important members自動、半自動切割Automatic, semiautomatic cutting 手工切割Manual cuttingSecondary members自動、半自動切割Automatic, semiautomatic cutting 手工切割Manual cuttingTable115(end) mm分 類Classify 氣 割Gas cutting 項 目Items 項 目Items 氣割缺口Notch of gas cutting 構件自由邊Free edges of members；強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。 extremely important longitudinals and cantilever beams —無缺口No notch 1. “缺口”是指大于該表面粗糙度3倍的凹口。1.“notch”is defined as groove 3 times of the surface roughness. methods:；b. 必須時可采用堆焊法修補，但必須避免短焊縫 by grinding； welding may be applied where required, but short bead is to be carefully avoided. 重要的縱橫強力構件Important longitudinals and transverses —＜其 他Others —＜焊接接縫邊Weld edge 對接接縫Butt weld、強力甲板Shell plate and strength deck within area of amidship —＜用砂輪或焊補修整缺口。L為船長Notch is to be repaired by grinding or builtup welding.L is ship length.其 他Others —＜角焊縫Fillet weld —＜氣 割 尺 寸Dimension of gas cutting板邊緣垂直線度Straightness of plate edge自動焊縫Automatic weld seam ≤≤半自動焊縫及手工焊縫Semiautomatic and manual welding seam ≤≤坡口面尺寸Dimension of groove坡口面角度θAngle of grooveθ177。2176。177。4176。過渡段長度lLength of taper, l177。177。坡口深度dDepth of groove, d177。177。構件尺寸Dimension of members 主要構件Primary members 177。177。例：雙層底肋板、桁材等要求較高的構件For example：For members with high accuracy demand such as floors and grinder, etc. In double bottom 次要構件Secondary members 177。177。面板寬度Breadth of face bar 177。＋－1 .2 .5 氣割邊緣打磨要求按表116。1 .2 .5 Gas cutting edge grinding standard as in table 116.Table 116 mm項 目Items 要 求Requirement 備 注Remarks 在經(jīng)以下部位氣割邊緣打磨到“1G”，壓載水艙、艏艉尖艙、貨艙（油艙）露天甲板、海水箱Gas cutting edge grinding up to “1G”, in the area as follow: water ballast, fore/peak tank, cargo (oil hold) hold exposed deck and sea chest1G）1mm177。高應力區(qū)域：如：強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)。High stress area such as strength deck. Opening and sheer strake should be done according to the drawing. 在以下部位氣割邊緣打磨到“2G”，淡水艙、飲水艙、游泳池、蒸餾水艙Gas cutting edge grinding up to “2G”, in the area as follow: Fresh water tank, portable water tank, swim pool and distilled water tank2G) 2mm177。上述以外區(qū)域（無設計要求）Other areas excluding the above (no design requirement)銳角保留Remaining acute angle 剪切偏差按表117。 Deviation of sheering dimension is to be kept within the limits as defined in table117. Table 117 mm項 目Items 標準范圍Standard 允許極限limits 備 注Remarks 構件長度Length of member177。177。構件寬度Breadth of member 177。177。面板寬度、肋板高度Breadth of face bar, height of floor 177。177。邊緣直線度Straightness of the edge ≤≤曲線邊緣Carved edge ≤≤ 刨銑邊偏差按表118。 Deviation of planed and milled edges is to be kept within the limits as defined in table 118. Table 118 mm項 目Items 標準范圍Standard 允許極限limits 備 注Remarks 邊緣直線度Straightness of the edge ≤≤以10m長計Per 10m in length 坡口面角度Angle of groove177。2176。177。3176。 加工 Forming 加工偏差按表119。 Deviation of forming is to be kept within the limits as defined in table 119.Table 119 mm分類Classify 加 工Forming 項目Items 標準范圍Standard 允許極限limits 備 注Remarks 折 邊Flange折邊寬度bBreadth of flange b177。177。腹板高度Depth of web h主要構件Primary members 177。177。次要構件Secondary members 177。177。折邊角度θAngle of flange,θ177。band ≥177。band ≥折邊方向的直線度（以每10m計）Straightness in the plane of flange （per 10m）≤10≤25腹板方向的直線度（以每10m計）Straightness in the plate of web（per10m）≤10≤25Forming plate槽型板Channel plate槽的深度hDepth of slot, h177。177。槽的寬度 bb2Breadth of slot, bb2177。177。波型板Corrugate plate波高 hDepth of corrugation h177。177。波型間距dP