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Used welded pipe production line, the cause of the nozzle defect after the flying saw is disconnected?

Used welded pipe production line, the cause of the nozzle defect after the flying saw is disconnected?

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  • Release time:2021-10-20 12:00
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【概要描述】Types of nozzle defects in the used welded pipe production line: nozzle defects mainly include flattened, oblique, rubbed, and blocked nozzles.

Used welded pipe production line, the cause of the nozzle defect after the flying saw is disconnected?

【概要描述】Types of nozzle defects in the used welded pipe production line: nozzle defects mainly include flattened, oblique, rubbed, and blocked nozzles.

  • Sort:Information
  • Auth:
  • Source:
  • Release time:2021-10-20 12:00
  • Pvs:
Detail

Types of nozzle defects in the used welded pipe production line: nozzle defects mainly include flattened, oblique, rubbed, and blocked nozzles.

Analyze nozzle defects of used welded pipe production line

 

Deflated head defect

 

Used welded pipe production line

 

Shrinking heads mostly occur on thin-walled tubes. The fundamental reason is that the tube wall is thin and the ability to resist the impact of the saw blade is weak. The specific reasons are as follows:

(1) The saw blade has been used for too long, and the saw tooth wear is more serious;

(2) The thickness of the saw blade is not well chosen, and it is too thick;

(3) The pressure of the sawing cylinder is too large.

 

Oblique head defect

 

Used welded pipe production line

 

Main reasons for oblique head:

(1) The flying saw is not synchronized with the welded pipe.

(2) There is radial vibration in the bearing of the sawing spindle.

(3) The saw blade shakes greatly.

(4) The operation of the sawing trolley is unstable.

 

Wiping defects

 

Used welded pipe production line

 

Main reasons for head rubbing:

(1) Improper design of main parameters of lifting saw;

(2) The design plan for the main parameters of the loose clamp is too early

(3) There is axial shaking of the sawing spindle bearing

 

Nozzle blocking defect

 

Used welded pipe production line

 

Main reasons for nozzle blockage:

(1) Different steps;

(2) The saw blade shakes a lot;

(3) There is radial sway on the back of the saw;

 

The above is used welded pipe production line, the cause of the nozzle defect after the flying saw is disconnected. I hope it will be of some help to you.

 

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