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Analysis of common faults of used welded pipe equipments sizing machine (1)

Analysis of common faults of used welded pipe equipments sizing machine (1)

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  • Release time:2022-02-28 11:30
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【概要描述】In contrast, the failure rate of the sizing machine is the lowest, and it is easier to deal with. The common production accidents of the used welded pipe equipments sizing machine are as follows: ① Scratches. ②Drilling pipe. ③The tube is not round.

Analysis of common faults of used welded pipe equipments sizing machine (1)

【概要描述】In contrast, the failure rate of the sizing machine is the lowest, and it is easier to deal with. The common production accidents of the used welded pipe equipments sizing machine are as follows: ① Scratches. ②Drilling pipe. ③The tube is not round.

  • Sort:Information
  • Auth:
  • Source:
  • Release time:2022-02-28 11:30
  • Pvs:
Detail

In contrast, the failure rate of the sizing machine is the lowest, and it is easier to deal with. The common production accidents of the used welded pipe equipments sizing machine are as follows: ① Scratches. ②Drilling pipe. ③The tube is not round.

 

In order to let everyone understand the common faults of used welded pipe equipments sizing machines, we analyze the common faults of used welded pipe equipments sizing machines —scratches.

 

Used welded pipe equipments

 

Scratches

Sizing scratches mainly occur on both sides of the transverse and longitudinal axis of the pipe section, and are mostly caused by the edges of the flat roll and vertical roll pass. In particular, after the hole edge R is sharpened, the following problems may cause scratches.

 

(1) Roll displacement. After the axial displacement of the roll, the dislocation of the pass cannot be matched. But sometimes after the axial displacement of the roll, there is no positioning and locking, and it can be adjusted freely.

After the anastomosis, the canal wall will not be scratched. Sometimes for some reason, the rollers are displaced and locked in a position by themselves, so that the hole pattern cannot be matched, which will cause the pipe wall to be scratched, especially the vertical rollers, this phenomenon is particularly prominent.

 

Used welded pipe equipments

 

(2) Bearing damage. After the bearing is damaged, it is easy to have the phenomenon that the two hole patterns do not match. When the bearing is slightly damaged, the tube wall is more severely scratched, and when the bearing is severely damaged, the problem of scratching will generally not occur, but other accidents. , such as drill pipe, flattened pipe and more serious problems.

 

(3) Offset adjustment. Offset adjustment is completely an artificial phenomenon, just like the uneven pressure of the flat roll on the forming. In the forming process, the deviation of the tube blank caused by some special reasons can be solved by applying different pressures on both sides of the upper roller. After the roller on the sizing machine is slightly adjusted, it can solve some problems of turning seams and pipe out-of-round, but when the adjustment force is too large, the two holes will not match, and the pipe wall will be scratched. The force on the upper and lower ends of the vertical roller should also be uniform. If the vertical roller has an upper and lower elevation angle, the matching effect of the hole pattern will also be destroyed, and the pipe wall will be scratched. Especially after the R fillet of the hole type is sharpened and the degree of deviation adjustment is serious, the scratch on the pipe wall will be more serious. At the same time, the practice of offset adjustment will also make the camber wear of the hole type more uneven, resulting in bad circulation.

 

Used welded pipe equipments

 

If the used welded pipe equipments has common faults and scratches of the sizing machine, pay attention to these three aspects (1) roll displacement. (2) The bearing is damaged. (3) Offset adjustment. Hope to be of some help to you. Our company has many brands and wide resources, there is always one suitable for you. You only need to inform us of your pipe manufacturing needs, and our company will provide you with used welded pipe equipments that really suits your needs. Welcome new and old customers to come to consult and order.

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Contact information
Tel: +86-13392281699
Wechat: 13392281699
Email: zty@usedpipemill.com
Company address:No. A99, East Lecong Avenue, Lecong Town, Foshan City, Guangdong Province

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