Fast and efficient grinding technology for improvement of aluminum sectional bar
A high-efficiency technology for aluminum profiles, which is applied in the field of improving the fast and efficient sanding process of aluminum profiles, can solve the problems of adding sandblasting equipment, long time consumption, and complicated process flow, so as to speed up the oxidation speed, reduce aluminum consumption, and reduce the surface pretreatment process Effect
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[0018] Embodiments of the present invention will be described in detail below. An improved fast and efficient grinding process for aluminum profiles, characterized in that it includes 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 the alkali etching agent is Na2CO3 90 / L, NaOH 9g / L, Na2SO4 28g / L, Na3PO4 20g / L, sodium dodecylsulfonate 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 an art...
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