The flat polishing groove is usually set with two purposes, namely, flat polishing and fine ash removal of the aluminum alloy profile processed by sand surface polishing.

(1) Flat polishing: Flat polishing groove can not only transform into a certain wall thickness of air oxide film, but also greatly improve the full chroma of aluminum. Because the anodic oxidation treatment makes the aluminum alloy profile after sand bending polishing treatment lose luster, first carry out flat polishing treatment, surface light produces a layer of high density air oxide layer, the gloss is fixed, then carry out anodic oxidation treatment, greatly reduce the loss of luster; In addition, before the aluminum alloy profile from sand surface polishing to anodic oxidation treatment, 4545 aluminum profile need multiple water cleaning, and may stay in mid-air or water cleaning tank, resulting in galvanic corrosion, if the first flat polishing tank, prefabricated components with a certain wall thickness of organic chemical air oxidation film, priority maintenance, In order to prevent air oxidation before causing galvanic corrosion or fresh cut flowers in the water cleaning tank, improve the yield.

② Fine ash removal: acid etching ash is difficult to remove, the general way is difficult to eliminate. It will seriously affect the appearance quality of acid etched materials. Although sand grooves remove the vast majority of acid etching ash, there is a high possibility of small residues under some unique standards. Flat polishing tank can quickly clean acid etching ash, so as to ensure the quality of 4040 aluminum profile, and completely avoid the environmental pollution of acid etching ash to the color tank and electrophoresis tank. Aluminum doors and Windows should be selected according to window door side specifications, installation relative height, appropriate aluminum profiles. For housing project aluminum profile cross section, flat window manufacturer way is not less than 55 series of products; No less than 75 series of Windows; Interior life balcony flat window manufacturers are not less than 75 series of products. The thickness of aluminum profiles of aluminum doors and Windows is not less than 1.4mm, and the wall thickness of aluminum profiles of doors is not less than 1.5mm.

Smooth polishing and fine ash removal for ningbo aluminum profiles