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as table 3.
表3 堆码载荷 Table 3 Stacking load
内装物重量(kg) weight of built-in objects (kg) ≤5000 5000~10000 >10000 堆码载荷kPa（kgf/ m2） stacking load kPa （kgf/ m2） 10.0(1020) 15.0(1530) 20.0(2040) 注:本规格中,顶盖载荷主要是指横梁支撑的上部载荷;堆码载荷主要是指侧框支撑的上部载荷。因此，直接放置比顶盖宽度小的货物时，顶盖载荷和堆码载荷发生作用，放置与顶盖宽度相同的货物或使用比顶盖宽度大的合适货物时，主要是堆码载荷发生作用。
Note: In this specification, top load mainly refers to the upper load supported by beam; stacking load mainly refers to the upper part of the load supported by side of the frame. Therefore, when placed the goods smaller than top width directly, top load and stacking load militate. When placed the goods same as the top width or used the right goods is larger than the top width, stacking load mainly militate.
5.4间隙Gap
为防止内装物因接触框架木箱的面而引起损伤,在其间充填缓冲材料或留出适当间隙,单面间隙30mm。
In order to prevent the built-in objects damage caused by contact with the face of the frame wooden box, filling buffer materials among them or leaving appropriate gap. Single gap is 30mm.
5.5尺寸的表示方法Expressive methods of size
5.5.1包装箱的尺寸用内尺寸或外尺寸表示,根据表4规定。
According to the provisions of table 4, we express packing size with the size or outside dimensions.
表4 包装箱的尺寸表示
Table 4 Dimensions indicated of packing case 名称 name 长(L) 宽(W) 高(H) 内 尺 寸 Inside dimension 端支柱的内面间距离 The distance between the side pillar of the inside 侧支柱的内面间距离 外 尺 寸 External dimension 内长+（端柱厚+端外板厚）×2 Inseam length+ ( thickness of end post +thickness of planking ) *2 内宽+（侧柱厚+侧外板厚）×2 专业知识 整理分享
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The distance between the side pillars inside Inner width + ( thickness of column+ thickness of test plate) *2 侧面上、下框两外缘间的距离 内高+顶盖厚+底座厚（滑木厚+辅助滑木厚+底板） On the side, the distance Inner height+ thickness of header+ thickness between the two outer box
of base ( thickness of slippery wood+ thickness of assistant slippery wood+ floor) 5.5.2尺寸偏差 Dimensional deviation 木构件宽度与厚度的尺寸偏差按表5规定。
Dimensional deviation of the width and thickness of the wooden pieces is stipulated in the table 5.
表5木构件的宽度与厚度的尺寸偏差（mm）
Table 5 Dimensional deviation of width and thickness of timber components (mm)
尺寸范围 Range of sizes ≤20 20~100 ≥100
偏差 Deviation -1~+2 ±2 ±3 6 包装箱的结构The structure of the packing 6.1底座Base
底盘是木箱的底面，并且在上面安装侧板和端板，起支撑装载物的作用，底座的结构见图1。底座各构件尺寸见表6。
Base is the bottom of the case on which lateral plate and end plate are installed. Its role is to support the stowage. The structure of the base as shown in picture 1. Sizes of each component of base are shown in table 6.
图1 底座结构
Picture 1 bottom structure
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注：底座（或底盘、底架木）上放上内装物后，在未进行固定加固、绑扎等或未装侧板，端板之前，不得单靠底盘进行起吊等装卸作业。
Note：Built-in objects put on base (or chassis, timber underframe), without fixed reinforcement, binding, etc or without installing lateral plate and end plate, chassis would not be allowed to lifting handling operation, etc alone.
6.1.1滑木Slippery wood
6.1.1.1滑木一般应均匀排布，但对底板兼枕木的形式，若内装物底座用螺栓固定在滑木上，限于螺栓孔位置，滑木的位置可以适当偏移。
Slippery wood should be evenly arranged generally. But for the form of baseplate and crosstie, if the base of built-in objects is fixed on slippery wood with bolts, because of the bolt hole position, the position of slippery wood can be skew appropriately.
6.1.1.2滑木的中心间隔一般不大于1200mm，需用叉车横向进叉装卸时，滑木的中心间隔应不大于1000mm（内装物重量为1500kg以下的，应不大于800mm），超过规定的间隔，中间应增加相同截面的滑木。
The center interval of the slippery wood is generally not more than 1200 mm. When need to use the forklift into the fork loading and unloading crosswise, the center interval of the slippery wood is generally not more than 1000 mm (weight of built-in objects below1500 kg, should not be greater than 800 mm). In excess of the prescribed intervals, we should increase slippery wood with the same cross section.
6.1.1.3滑木应尽量采用一根整木，若长度不够时，可以对接，但对接的位置不能在长度的中心处，而且各滑木的对接位置应错开。
Slippery wood should adopt a piece of complete log. If the length is not enough, it can be butt joint but the docking position cannot be in the center of the length. And the docking position of each slide wood should stagger.
表6 底座各构件的尺寸 mm
Table 6 Sizes of components of floor mm 内装物 重 量kg 滑木 Slippery wood 端木 terminal 端木与滑木联底板的厚度 结用螺栓直径 Thickness of floor 专业知识 整理分享
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Weight of 箱的内长 built-in Inseam 尺寸 Sizes wood （宽×厚） Diameter of 木板 bolts for terminal wood and slippery wood jointing mm board mm 胶合板 plywood mm objects kg length ≤ （宽X厚） ( width * ( width * thickness) thickness) 3500 ≤1000 M10或钢钉 90×60 60×60 Or steel nail 15 5.5 1000~5000 5000~10000 5000 7000 120×120 100×100 150×150 120×120 M12 M16 18 21 9 12 6.1.2端木 Terminal wood 端木用螺栓或钢钉安装在滑木上，端木外侧面距滑木端部的距离等于端木的厚度，端木的尺寸及其与滑木联结用螺栓的直径按表6的规定，端木的长度与内宽相同。
Terminal wood is installed on slippery wood with bolts and steel nails. The lateral aspect of terminal wood from slippery wood end distance is equal to the thickness of terminal wood. Size of terminal wood and diameter of bolts coupling with slippery wood are according to the provisions in table 6.
6.1.3枕木 Crosstie
主要起支撑内装物的作用，尺寸根据包装箱滑木位置、内装物的重量及形状等来决定。枕木规格应符合内装物对包装箱的强度要求，具体按GB/T 7284-1998 中5.1.5规定。
It has the role of supporting built-in objects. The size is decided according to the location of packaging case slippery wood, weight and shape of built-in objects. The specifications of crosstie should be consistent with the strength of the built-in objects for packaging requirements. Specific situation is according to regulation 5.1.5 in GB/T 7284-1998.
枕木用螺栓或钢钉安装在滑木上,联结螺栓或钢钉的直径按表7的规定。
Crosstie is installed on slippery wood by bolts or steel nails. Diameter of coupling bolts or steel nails is according to the stipulation in table 7.
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表7 枕木的安装
Table 7 Installing of crosstie 枕 木 的 厚 度 Thickness of crosstie mm ≤60 60~90 90~150 ≥150
安 装 方 法 Installation method 用钢钉钉 by steel nail 用M10螺栓紧固 fixed by M10 bolts 用M12螺栓紧固 fixed by M12 bolts 用M16螺栓紧固 fixed by M16 bolts 6.1.4 底板 Baseplate
底板宽度不应小于200mm，厚度按表6规定使用。底板用钢钉安装在滑木上。 Width of baseplate should not less than 200mm, the thickness used as the stipulation in the table 6. Baseplate is installed on slippery wood with steel nail.
6.2侧面与端面 Side and end face
6.2.1侧板和端板Lateral plate and end plate
侧板装在滑木上承受堆码载荷,同时起通过滑木支撑货物的作用。
Lateral plate installed on the slippery wood bears stacking load and has the role of supporting goods through slippery wood.
端板装在滑木上层,两端都有,起支撑堆码载荷的作用。
End plate is installed in the top of wood. Both sides have it. It has the role of supporting the stacking load.
侧板与端板的厚度如表8所示。
Thickness of lateral plate and end plate is shown in table 8.
表8 侧板和端板的厚度mm
Table 8 Thickness of lateral plate and end plate 内装物质量，weight of built-in object kg ≤1000 1000~5000 5000~10000 木板 board 15 18 21 胶合板 plywood 9 12
6.2.2立柱和辅助立柱 Upright and auxiliary upright
侧面的每根立柱都和辅助立柱、侧板一起，可视为一根柱子。它们必须具有能承受作用于一根柱子上的堆码载荷的强度，横截面尺寸规格和计算方法按
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