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复合板的制造和焊接工艺(Manufacture of composite plate and welding process)
复合板的制造和焊接工艺(Manufacture of composite plate and welding process) Manufacture of composite plate and welding process Composite plate making: 1. manufacturing process: the base layer and clad layer and composite explosive welding rolling process. Type 2. 2.1 composite plate is composed of substrate and composite material. 2.2 composite steel plate in the shape of rectangular, square, round three. 2.3 size requirements: the maximum width of explosive cladding steel is 2000mm, maximum length 8000mm, maximum diameter of 4000mm, so the substrate should be controlled in the specification size. In special cases, specifically. The 2.4 substrate size requirements: Based on specifications on unilateral margin 25mm. The plate is more than 4000mm, the length of allowance plus 30mm, 25mm plus margin width The 2.5 plate material requirements: Based on substrate widening plus margin, 25mm. The splicing part, without groove, but straight mouth without slag splash. 2.6 basic and complex plate material quality requirements: cutting edge must be smooth, no slag, gap. Regardless of the substrate material or plate width must be uniform. Three Splicing requirements 3.1 base plates: allow the use of arc welding, automatic submerged arc welding. The oil must be thoroughly cleaned before welding and weld on both sides of the rust and other impurities. In the case of the base metal surface have larger pits, must be welded reinforcing, and polished. Welding must be carried out after the X - ray, 100% qualified will be flush with the base metal weld grinding. 3.2 clad welding: welding to be connected. Group of gapless. Methods: 2-3mm plate welding by manual argon arc welding. The 4-8mm board by smaw. Choice of materials: must be matched with the base metal welding material. Dont mess with the welding material. Selection of electrode is shown in Table 1 Board 0Cr18Ni9 00Cr19Ni10 0Cr18Ni10Ti 00Cr17Ni14Mo2 0Cr17Ni12 Mo2 TA2 (TI) Wire H0Cr21Ni10 H00Cr21Ni10 H0Cr21Ni10Ti H00Cr19Ni12 Mo2 H0Cr19Ni12Mo2
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