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塔机塔身标准节主弦杆的截面形式较多,图1所示是我厂标准节主弦杆端面连接的几种形式:a)角钢+方接头;b)角钢扣方+连接套;c)方管+连接套;d)角钢+连接套;e)圆管+连接套。图1标准节主弦杆端面连接形式我厂原来是采用单肢主弦杆焊接连接套(或方接头)后,再转到T68镗床进行端面加工并
Tower crane tower section of the standard section of the main section of the chord more, shown in Figure 1 is my factory standard section main chord end face connected several forms: a) angle + square connector; b) angle buckle side + connecting sleeve; c) square tube + connecting sleeve; d) angle + connecting sleeve; e) pipe + connecting sleeve. Figure 1 standard section main chord end face connection form I was originally using single-limb factory main chord welded connecting sleeve (or square connector), and then go to T68 boring machine for face machining