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Home > News > Industry news > The causes of defects and defe.....
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The causes of defects and defects of several common aluminum plates 2

  • Author:Dong Xing
  • Source:aluminummanufacturerchina.com
  • Release on :2017-12-05
3. Surface aspects:

(1) embossing: due to the reasons of strip wrinkle and broken strip, the irregular chromatic aberration of roller surface is periodically printed to the chromatic aberration of strip surface during rolling process.

(2) bruise: the appearance of the surface of the aluminum plate is a fascicular wound. Cause: mechanical or artificial cause the aluminum plate to produce the fault between the layer and the layer.

(3) edge: after rolling or cutting, the edge of the strip is warped. Harbin Dong Xing Aluminum Co., Ltd is a competent and reliable Aluminum sheet wholesales.

(4) corrosion: a spot or flaky white spot or black spot on the surface of an aluminum plate. Cause: production, packaging, transportation, storage process into acid or alkali or water.
(5) surface oil pollution: manifested as surface dirty. Cause: the cooling oil is dirty, and the blow is weak.  Harbin Dong Xing Aluminum Co., Ltd could provide you with Aluminum sheet for boat 5083.

(6) scratch: the appearance of the surface of the aluminum plate with a line of the wound. Cause: a rolling guide plate or a convex or glued aluminum; scratch shearing process; artificial lift check on improper.

(7) side side bending: the longitudinal side of the plate and belt presents a nonflat state bending to one side. Cause: the rolling mill is different at both ends of the rolling mill, and the thickness of the two sides of the plate and the material is not consistent.

(8) there is a black spot on the surface: there is a needle like black spot on the surface of the aluminum plate. Cause: the furnace liquid is not clean.

Above, I have introduced some of the reasons for some of the problems on the aluminum plate, I hope to be able to help you. If you want to get more information about Harbin Dong Xing Aluminum Co., Ltd, please click Aluminum plate manufacturer china.