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Unusual cutting incision in cut to length line processing

Source:     Time:2021-02-02 Hits:
In the process of cut to length line processing, we sometimes encounter some abnormal cutting incisions, so do you know how this happens? How can we solve such problems? In today's article, we will briefly discuss the problem of unusual cutting incisions encountered during cut to length line processing.

 

1. Poor margin

 

The notch shape of the cut to length line shear strip is related to the material quality, tensile strength, elongation, hardness and heat treatment state of the sheared material. When the cutting conditions such as clearance and coincidence are selected, the shape of the cutter edge is determined. If the cutting conditions are not set, the normal shape of the incision will not be obtained.

 

(1) Edge defect caused by bad setting of tool clearance and coincidence.

 

(2) Edge defect caused by extrusion of partitioning piece. The scars on the side of the separator and sintering caused by strong friction at the edge of the coil are not good.

 

(3) Bad edges caused by cutting tools. Bad tool edge wear caused by bad tool side sintering due to tool defect.


 1600mm cut to length machine


(4) Excessive drawing plate of coiler causes bad abnormal edge. In direct drawing, the edge of the tool shaft is bad because of the excessive tension of the winder.

 

2. Bad burr

 

Burr caused by too large clearance of knife; Burrs caused by tool wear; burrs caused by the extrusion of separators (especially on the indentation side).

 

3. Transverse warping

 

Lateral warpage caused by too small outer diameter of apron; Lateral warpage caused by insufficient downward pressure of strip; Lateral warpage caused by intermediate bending and excessive stretching of tension rolls.

 

Wuxi Bangzhou Machinery is the best cut to length line supplier. There are many new machines exported to Southeast Asia, Europe, Latin America and Africa. If you want more information about cut to length line,welcome to come and contact with us!



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