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一、概述 小轮自行车车架的头部通常由外径相等的梁管和前管斜交相贯而直接焊接构成。(如图1)由于焊接部位的强度和外观要求高,且梁管相贯线斜口必须与前管良好吻合。
First, an overview Ferris wheel frame head usually by the same diameter beam and the front tube oblique intersecting and direct welding. (Figure 1) Due to the high strength and appearance of the welded parts, the bevel of the intersecting line of the beam pipe must be well matched with the front pipe.