1、TPO卷材的铺设

　　1. Laying of TPO rolls

　　铺设卷材，要平整、顺直。

　　Laying the roll material should be smooth and straight.

　　2、TPO卷材的固定

　　2. Fixing of TPO coil material

　　大面卷材按平行于屋脊的方向铺设，长边用机械固定钉及垫片有必要固定在工厂预制好的标记线上，垫片边距卷材边沿最小13mm。

　　The large surface roll material is laid in a direction parallel to the ridge, and the long side is fixed with mechanical nails and gaskets. It is necessary to fix it on the pre made marking line in the factory, and the gasket edge should be at least 13mm away from the edge of the roll material.

　　屋面的固定螺钉按照金属屋面板的波峰间隔进行定位，有必要保证固定间隔为0.152m，保证钉子位于波峰的中心方位，运用套筒及紧固件固定TPO 防水卷材和保温板。

　　The fixing screws on the roof are positioned according to the peak interval of the metal roof panel. It is necessary to ensure that the fixing interval is 0.152m and that the nails are located in the center of the peak. Use sleeves and fasteners to fix the TPO waterproofing membrane and insulation board.

　　3、 TPO卷材的焊接

　　3. Welding of TPO coil material

　　隔汽层、岩棉层、TPO卷材铺设好往后，保证同步进行，依次循环操作，用LEISTER VARIMAT- V 自动焊接机焊接每一个搭接边，部分节点部位选用LEISTER 手持焊接机焊接。

　　After the installation of the vapor barrier layer, rock wool layer, and TPO roll material, ensure synchronous operation and repeat the operation in sequence. Use LEISTER VARIMAT-V automatic welding machine to weld each overlapping edge, and use LEISTER handheld welding machine to weld some node parts.

　　自动焊机焊缝焊接：焊机压力为500-550N 左右，温度为500-550℃，焊接速度为1.5-2m/min, 详细情况视现场条件(温度、湿度)而定。每天最少进行一次试焊，选用抛弃的裁切资料进行试焊剥离，只有到达层间剥离，而  非焊缝剥离的参数设置，方可进行焊接。如一天内温差较大，需根据情况，及时根据试焊情况，调整焊接参数。

　　Automatic welding machine for weld seam welding: The welding machine pressure is around 500-550N, the temperature is 500-550 ℃, and the welding speed is 1.5-2m/min. The detailed situation depends on the site conditions (temperature, humidity). At least one trial welding should be conducted every day, using discarded cutting materials for trial welding and peeling. Only when the parameters for interlayer peeling are reached, rather than weld peeling, can welding be carried out. If there is a large temperature difference within a day, the welding parameters should be adjusted in a timely manner according to the test welding situation.

　　手艺焊接：焊枪温度控制在250-450℃之间，焊接速度为0.2-0.5m/min，焊接时用手动压辊压实，随焊随压。短边选用不固定办法直接焊接，卷材的搭接宽度为80mm

　　Craft welding: The temperature of the welding gun is controlled between 250-450 ℃, and the welding speed is 0.2-0.5m/min. During welding, manual pressure rollers are used to compact and press as welding progresses. The short side is welded directly using an unsecured method, and the overlap width of the coil is 80mm

　　天窗及女儿墙节点施工，大面卷材天窗边沿处断开。假如天窗边沿的钢板正好是波峰方位，则可直接进行下一步施工;否则边沿处的钢板不是波峰方位，需要在钢板边沿附加一个L型折板，折板材质类同底层钢板即可。沿天窗一周，将大面卷材用固定件固定。固定间隔为30cm。按照天窗高度和搭接15cm下料，掩盖大面卷材固定件，下端焊接。阳角处用阳角泛水补丁掩盖，要求上部泛水高度超出20mm。上部用压条和钉子固定，此处须配套运用密封膏。压条的固定件间隔为25cm，密封膏运用在卷材边沿和底层的连接处。

　　The construction of the skylight and parapet nodes involves the disconnection of the edge of the large surface roll skylight. If the steel plate at the edge of the skylight is in the direction of the wave peak, the next step of construction can be carried out directly; Otherwise, the steel plate at the edge is not in the direction of the wave peak, and an L-shaped folded plate needs to be attached to the edge of the steel plate. The folded plate material should be similar to the bottom steel plate. Fix the large roll material with fasteners along the skylight. The fixed interval is 30cm. Cut the material according to the height of the skylight and overlap 15cm, cover the large surface coil fixing parts, and weld the lower end. Cover the sunny corner with a waterproof patch, and ensure that the upper waterproof height exceeds 20mm. Fix the upper part with pressure strips and nails, and use sealant to match this area. The spacing between the fixing parts of the pressure strip is 25cm, and the sealing paste is applied at the connection between the edge of the roll and the bottom layer.

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