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Detailed explanation of working conditions of roll of pipe welding machine
Release time:
2018-12-06 11:53
What kind of environment is the pipe welding machine suitable for working in? Jiangsu Nanyang Machinery Manufacturing Co., Ltd. tells you.
What kind of environment is the pipe welding machine suitable for working in? Jiangsu Nanyang Machinery Manufacturing Co., Ltd. tells you.
The working conditions of the roll are the most complex in the production of rolling mill parts in the roll equipment of the pipe welding machine. The roll generates residual stress and thermal stress in the preparation process before manufacture and use. The working conditions of the roll are further affected by various cyclic stresses, including bending, torsion, shear, contact stress and thermal stress. The distribution of these stresses along the roll body is uneven and constantly changing. The reasons are not only design factors, but also the wear, temperature and shape of the roll during use. In addition, the rolling conditions are often abnormal. Improper cooling of the roll after use can also be damaged by thermal stress. So the roll in addition to wear, but also often appear cracks, fracture, peeling, indentation and other local damage and surface damage. A good roll, its strength, wear resistance and other various performance indicators should have a better match. In this way, it is not only durable under normal rolling conditions, but also has less damage when some abnormal rolling conditions occur. Therefore, the metallurgical quality of the roll should be strictly controlled or supplemented by external measures to enhance the bearing capacity of the roll. Reasonable roll shape, pass, deformation system and rolling conditions can also reduce the work load of the roll, avoid local peak stress, and extend the life of the roll.
Jiangsu Nanyang Machinery Manufacturing Co., Ltd. produces: ZG series high-frequency welded pipe unit, GW series cold bending forming unit, BG series stainless steel pipe making unit, FG high-precision composite pipe production line, roll mold.
Contact information: 0514-87736108
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