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12.06

2018

1. It should be ensured that the bending direction of the steel strip rolled into the steel pipe is consistent with the natural bending direction of the steel coil. That is, the upper disassembly type is suitable for the lower coil forming method, and the lower disassembly type is suitable for the upper coil forming method, so that the influence of steel strip deformation on the mechanical properties of the steel pipe can be minimized, and the steel strip deformation bending moment during the forming process can also be reduced, thereby reducing the equipment load;

12.06

2018

Factors related to the price of spiral welded pipe equipment

12.06

2018

The welded pipe unit produces oil casing, because the weld toughness is affected by the toughness of the base metal, the chemical composition of the base metal and the welding process. The weld toughness can also be improved significantly by controlling the width of the bright line, the angle of the flow line and the content of non-metallic inclusions in the welding process;

12.06

2018

There are many bad conditions to be adjusted for welded pipe machines, such as scratches, drilling pipes, straightening adjustments, etc.

12.06

2018

The pipe wall thickness of the pipe welding machine produced by our company is large, which meets the general standards and can be used for various practical operations.

12.06

2018

Pipe machine in the work as the role of more and more attention, so how to effectively improve its work efficiency? The author believes that know how to maintain the pipe machine can achieve efficiency improvement.

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Jiangsu Nanyang Machinery Manufacturing Co., Ltd.