插条不能明显偏斜，开口缝应在中间，不管插条还是管端咬口翻边应准确、压紧，以后连接接头才会整齐、贴紧。
The not significant deviation, open seams should be in the middle, or whether cutting pipe end bite flange should be accurate, pressing, after the joint will be neat, close.
缩颈翻边组合机是对马口铁空罐罐身的一端或两端进行缩颈与翻边的一种组合设备。
The novel necking and curling combination machine is a kind of combination equipment for can_body forming.
本实用新型公开了一种用于螺纹接头的管材，其特征在于：在靠近管体的端部有一扩张段，在扩张段的端部有一翻边。
The utility model discloses a pipe used for screw ends, which is characterized in that a divergent section is close to the end of the pipe body, and the end of the divergent section has a flange.
本实用新型公开了一种用于螺纹接头的管材，其特征在于：在靠近管体的端部有一扩张段，在扩张段的端部有一翻边。
The utility model discloses a pipe used for screw ends, which is characterized in that a divergent section is close to the end of the pipe body, and the end of the divergent section has a flange.
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