Rapid and efficient sanding process for aluminium profile
An aluminum profile and fast technology, which is applied in the field of fast and efficient sanding process for aluminum profiles, can solve the problems of complex process flow, long time-consuming, increase of sandblasting equipment, etc. Effect
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[0018] Embodiments of the present invention will be described in detail below. A fast and efficient grinding process for aluminum profiles, characterized in that it comprises the following steps:
[0019] Step 1: Alkaline etching treatment of aluminum profiles, using alkaline etchant to react with aluminum profiles to remove surface grease, dirt and natural oxide film. The composition of alkali etching agent is Na 2 CO 3 90 / L, NaOH 9g / L, NaOH 2 SO 4 28g / L, Na 3 PO 4 20g / L, sodium dodecyl sulfate 0.8g / L, glycerol 8g / L. The pretreatment temperature is 58°C, and the pretreatment time is 12 minutes.
[0020] Step 2: neutralize the aluminum profile; use an acid neutralizer to remove the lye remaining on the surface of the aluminum profile that has undergone alkali etching treatment;
[0021] Step 3: aluminum profile oxidation treatment; the aluminum profile is used as an anode and placed in a sulfuric acid electrolyte containing additives for electrolytic oxidation, and ...
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