A method and device for pulse texturing treatment on the surface of metal materials
A technology of metal materials and treatment methods, applied in the field of materials, can solve the problems of toxic chemical waste, environmental pollution, and low processing efficiency, and achieve the effects of simple ingredients, strong woolening effect, and good practicability
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Embodiment 1
[0032] The structure of the pulse roughening treatment device on the surface of metal materials is as follows: figure 1 As shown, it includes electroplating tank 1, temperature control tank 2 and lifting device. Electroplating tank 1 is provided with anode 4, and anode 4 is connected to power supply 3; temperature control tank 2 is set outside electroplating tank 1, and temperature control tank 2 is provided with Water inlet 2-2 and water outlet 2-1; the lifting device above the electroplating tank 1 is fixed on the fixed frame 7, the lifting device is composed of a lifting motor 5 and a lifting rod 6, and the bottom of the lifting rod 6 has an external thread for connecting the base material 8; wherein the material of the anode 4 is a lead-antimony alloy, wherein the weight content of antimony is 7%, and the balance is lead; the electroplating tank 1 is provided with a plastic lining and contacts with the electrolyte 9; the temperature control tank 2 passes through the water i...
Embodiment 2
[0037] The structure of the pulse texturing treatment device on the surface of the metal material is the same as in Example 1, the difference is that the weight content of antimony in the lead-antimony alloy is 10%; the temperature control device is a coil inside the electroplating tank, and the material of the coil is titanium;
[0038] The pulse roughening treatment method on the metal material surface is the same as embodiment 1, and the difference is:
[0039] (1) The composition concentration of the electrolyte is 3.5g / L of sulfuric acid, 3g / L of antioxidant phenol, Cr 6+ 90g / L, dispersant sodium lauryl sulfate 6g / L;
[0040](2) Clean the surface of the base material with a 5% weight concentration of sodium hydroxide solution to remove oil stains, and then use a weight concentration of 2% hydrochloric acid solution to remove surface rust;
[0041] (3) The forward conduction time is 200ms, the reverse conduction time is 502ms, the duty cycle is 80%, and the average curren...
Embodiment 3
[0045] The structure of the pulse texturing treatment device on the surface of the metal material is the same as in Example 1, the difference is that the weight content of antimony in the lead-antimony alloy is 5%;
[0046] The pulse roughening treatment method on the metal material surface is the same as embodiment 1, and the difference is:
[0047] (1) The composition concentration of the electrolyte is 3.8g / L of sulfuric acid, 5g / L of antioxidant phenol, Cr 6+ 100g / L, dispersant sodium lauryl sulfate 8g / L;
[0048] (2) Clean the surface of the base material with a sodium hydroxide solution of 15% by weight to remove oil stains, and then use a hydrochloric acid solution of 4% by weight to remove rust on the surface;
[0049] (3) The forward conduction time is 300ms, the reverse conduction time is 100ms, the duty cycle is 75%, and the average current density is 2000mA / cm 2 , the pulse frequency is 1200Hz, and the power-on time is 60min;
[0050] The performance test of the...
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Abstract
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