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膜結構停車棚材料的加工制作
來源:http://www.baokangjixie88.com/ 發布時間:2021-12-02
膜結構工程的加工制造膜結構工程的首要加工流程包含:進料、開料、查驗、組裝焊接、除銹、編號包裝出廠。其間注意事項有:資料有原料合格證書。
Processing and manufacturing of membrane structure engineering the primary processing process of membrane structure engineering includes: feeding, cutting, inspection, assembly and welding, rust removal, numbering, packaging and delivery. The precautions include: the materials have the raw material certificate.
依據規劃人員所計算的每種桿件的下料長度、桿件標準進行分類堆積,以便于下一步施工。依據膜管的相貫尺度,思考壁厚和坡口的影響,運用主動切開機主動切開相貫線。在焊接進程中,為了盡量削減節點處應力會集的不良影響,支管與主管的銜接焊縫應全周接連焊接并滑潤過渡,若主管呈現對接焊縫時,營口應刨坡口以保證焊縫焊透。由質檢人員對焊縫進行超聲波探傷查驗,若發現有不合格的焊縫,應作記號,并及時通知焊工進行返工。
Classify and stack according to the blanking length and rod standard of each kind of rod calculated by the planner, so as to facilitate the next construction. According to the intersecting scale of membrane pipe, considering the influence of wall thickness and groove, the intersecting line is cut by active cutting machine. In the welding process, in order to minimize the adverse effect of stress concentration at the node, the connecting weld between the branch pipe and the main pipe shall be welded and smoothed throughout the whole week. If the main pipe presents a butt weld, Yingkou shall plan a groove to ensure the weld penetration. The quality inspector shall carry out ultrasonic flaw detection on the welds. If unqualified welds are found, they shall be marked and the welder shall be notified to rework in time.
主桁架與次桁架要進行預拼,構成一個單元組,而且編號。對構件外表進行干噴砂除銹處理,刷二遍油性防銹底漆,再涂外表面漆。
The main truss and secondary truss shall be pre assembled to form a unit group and numbered. Dry sand blasting and derusting shall be carried out on the surface of the component, and the oily antirust primer shall be applied twice, and then the external surface paint shall be applied.
膜結構工程的加工制造膜材的首要加工流程包含:進料、查驗膜材、膜片下料、編號、膜片編排放樣、膜片初粘、駁接、包裝。因為膜材的裁剪、包裝進程都較為復雜,各種角度改變較多,且加工精度請求非常高,所以在制造進程中要加強質量管理,保證制造精度。
Processing and manufacturing of membrane structure engineering the primary processing process of membrane materials includes: feeding, inspection of membrane materials, blanking of membrane, numbering, layout and setting out of membrane, initial adhesion, connection and packaging of membrane. Because the cutting and packaging processes of film materials are complex, various angles change more, and the processing accuracy requirements are very high, quality management should be strengthened in the manufacturing process to ensure manufacturing accuracy.
膜材經查驗后要運進已除塵的清潔車間。在下料區、編排放樣區、駁接區及三個區的銜接處鋪上柔質的板膠,防止膜片直接觸摸地上,防止磨損或者弄臟膜材。進入車間的人員穿潔凈的衣服,換上車間專用的柔軟拖鞋或只穿襪子。
The membrane materials shall be transported to the dedusted cleaning workshop after inspection. Lay soft plate glue on the blanking area, layout and setting out area, connection area and the junction of the three areas to prevent the diaphragm from directly touching the ground and from wearing or soiling the membrane material. The personnel entering the workshop shall wear clean clothes, change into special soft slippers or only socks.
抽樣取20組膜片和背貼條樣品,采用60mm寬的駁接刀,斷定4組不一樣的駁接溫度、電流、壓刀時刻,駁接好后進行雙向拉斷實驗,獲取好受力和外觀的駁接數據,填好斷定的數據貼在駁接機上進行駁接。熱熔合計劃應依據排水方向和膜片銜接節點斷定。在正式熱合加工前,要進行焊接實驗,保證焊接處強度不低于母材強度。高頻熱合機是在高頻電場的效果下對膜材高分子化合物高頻振動發生分子間的劇烈運動發生的熱量使其粘合。
Take 20 groups of diaphragm and back adhesive strip samples, use 60mm wide connecting knife to determine 4 groups of different connecting temperature, current and knife pressing time, conduct two-way breaking test after connecting, obtain the connection data of stress and appearance, fill in the determined data and paste it on the connecting machine for connection. The heat fusion plan shall be determined according to the drainage direction and diaphragm connection node. Before the formal heat sealing processing, the welding test shall be carried out to ensure that the strength of the welded joint is not lower than that of the base metal. The high-frequency heat sealing machine is used to bond the high-frequency vibration of membrane polymer compounds under the effect of high-frequency electric field.
膜片下料按次序要經三道程序:讀取裁剪規劃的坐標,取點;復核坐標,劃下料線;復檢坐標,落刀下料。然后貼上編號標簽,抬到放樣區。因為索、膜結構工程通常均為空間曲面,裁剪即是用平面膜材表示空間曲面。這種用平面膜材擬合空間曲面的辦法必定存在差錯,所以裁剪人員在膜材裁剪加工進程中參加一些補救措施是適當必要的。對已裁剪的膜片要別離進行尺度復測和編號,并具體紀錄實測偏差值。裁剪工作進程中應盡量防止膜體折疊和曲折,避免膜體發生曲折和折疊損害而使膜面褶皺,影響修建漂亮。
The blanking of diaphragm shall go through three procedures in order: reading the coordinates of cutting planning and taking points; Recheck the coordinates and draw the blanking line; Recheck the coordinates and blanking. Then attach the number label and lift it to the setting out area. Because cable and membrane structures are usually spatial surfaces, cutting is the use of flat membrane materials to represent spatial surfaces. There must be some error in the way of fitting the space curved surface with the flat membrane material. Therefore, it is necessary for the tailor to take some remedial measures in the process of cutting the film. Measure and number the cut diaphragm separately, and record the measured deviation value. During the cutting process, the membrane body shall be prevented from folding and bending as far as possible, so as to avoid the membrane surface folding caused by bending and folding damage, which will affect the beauty of the construction.
在放樣區,對已完結下料的膜單元的一切膜片進行放樣,核對無誤后劃騎縫線。擦洗駁接縫的膜和背貼條時要用柔軟的棉質布。上駁接機時,背貼條設在膜的下底面,膜片與駁接刀對中后,壓平壓穩膜片,使膜片在高頻駁接進程中不發生移動。超重的膜單元,駁接時再細分,終駁接縫用小型起重車搬移膜塊,折疊包裝。
In the setting out area, all diaphragms of the finished blanking membrane unit shall be set out, and the riding suture shall be drawn after verification. Soft cotton cloth shall be used when scrubbing the membrane and back adhesive strip of the barge joint. When the lighter is connected to the machine, the back strip is placed on the bottom surface of the membrane, and the diaphragm is pressed to stabilize the diaphragm after the middle of the membrane is connected with the barge knife, so that the diaphragm does not move in the high frequency barge connection process. The overweight membrane unit shall be subdivided during connection, and the final connection joint shall be moved by small crane, folded and packaged.
在包裝前,應依據膜體特性、施工計劃等斷定完善的包裝計劃。如聚四氟乙烯為涂層的是玻璃纖維為底層的膜資料能夠以卷的方法包裝,其間卷芯直徑不得小于100mm;對于無法卷成筒的膜體能夠在膜體內襯填軟質填充物,然后折疊包裝。包裝完結后,在膜體外包裝上符號包裝內容、運用部位及膜體折疊與打開方向。
Before packaging, a perfect packaging plan shall be determined according to the film characteristics and construction plan. If Teflon is coated with glass fiber as the bottom layer, the film data can be packaged in rolls, and the diameter of roll core shall not be less than 100mm; For the film body that cannot be rolled into a barrel, the film body can be lined with soft filler, and then folded and packaged. After packaging, mark the packaging content, application position and folding and opening direction of the membrane on the external packaging of the membrane.
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