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A preparation process of a metal workpiece with a composite ceramic membrane
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A technology of composite ceramic membrane and metal workpiece, applied in metal material coating process, ion implantation plating, coating, etc., can solve problems such as large water consumption and environmental pollution
Active Publication Date: 2015-08-05
深圳市奥美特纳米科技有限公司
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Problems solved by technology
[0004] The pre-plating treatment of water electroplating is acid-alkaline water treatment, which pollutes the environment and consumes a lot of water. In today's increasingly serious environmental pollution, it is urgent to improve this treatment process
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Embodiment 1
[0026] A preparation process for a metal workpiece with a composite ceramic film, comprising the following steps:
[0027] 1. Put the metal workpiece into the ultrasonic cleaning with neutral detergent and then clean it with pure water;
[0028] 2. After blow-drying or drying treatment, install the clamp after passing the inspection;
[0029] 3. Put it into the PVD vacuum coating mechanism door to vacuum;
[0030] 4. Heating to 100-300 degrees in the PVD vacuum coating machine;
[0031] 5. Discharge in the secondary furnace and then clean;
[0032] 6. Add inert gas argon to the furnace under vacuum background, and apply a negative bias voltage of 100-1000V to the metal workpiece;
[0033] 7. Open the arc target for the third ion beam arc cleaning in the furnace, then reduce the bias voltage, adjust the current of the target, and the flow rate of the inert gas. Under the action of the electric field and magnetic field in the vacuum furnace, the single metal target or alloy t...
Embodiment 2
[0036] A preparation process for a metal workpiece with a composite ceramic film, comprising the following steps:
[0037] 1. Put the metal workpiece into the ultrasonic cleaning with neutral detergent and then clean it with pure water;
[0038] 2. After blow-drying or drying treatment, install the clamp after passing the inspection;
[0039] 3. Put it into the PVD vacuum coating mechanism door to vacuum;
[0040] 4. Heat up to 100-300 degrees in the PVD vacuum coating machine;
[0041] 5. Discharge in the secondary furnace and then clean;
[0042] 6. Add inert gas nitrogen to the furnace under vacuum background, and apply a negative bias voltage of 100-1000V to the metal workpiece;
[0043] 7. Open the arc target for the third ion beam arc cleaning in the furnace, then reduce the bias voltage, adjust the current of the target, and the flow rate of the inert gas. Under the action of the electric field and magnetic field in the vacuum furnace, the metal workpiece is densifie...
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Abstract
The invention discloses a process for preparing a metal workpiece with a composite ceramic film. The process comprises the following steps of ultrasonic cleaning, secondary furnace ion beam discharge cleaning, third ion beam arc cleaning, metal ion compacting and film forming through the electric field and the magnetic field in the vacuum furnace. Compared with the prior art, the process disclosed by the invention has the following beneficial effects that the pretreatment of water electroplating is acidic or alkaline water treatment, environmental pollution is caused and the water consumption is large; and the pretreatment of PVD (Plating Vacuum Deposition) is neutral water treatment, no environmental pollution is caused and the water consumption is little. Cyanide is contained in the water electroplating and a large amount of poisonous gas and poisonous wastewater are produced during the electroplating, so that great environmental pollution is caused and the influence on the physical fitness of water electroplating workers is great; and the PVD vacuum plating is a physical change of a metal target in the vacuum furnace through the electric field and the magnetic field, so that no environmental pollution is caused and a metal workpiece is repeatedly cleaned in the vacuum furnace, and the film is better in the binding force and not easy to drop.
Description
technical field [0001] The invention relates to a film coating technology for metal workpieces, in particular to a preparation process for metal workpieces with composite ceramic films. Background technique [0002] The metal-ceramic composite film is a new material formed on the metal that can improve the characteristics of the surface of ordinary metals, such as surface hardness, surface friction coefficient, etc. The metal-ceramic composite film is very practical on the mold. For example, the slider, mold core, thimble, and cylinder of the mold can not only improve the surface hardness but also reduce the friction coefficient, which can play the role of oil-free self-lubrication; it can also change the characteristics of ordinary metals that are easy to rust and corrode, such as Ordinary screw of injection molding machine produces chlorine gas at high temperature when injecting halogen-free material, which is easy to corrode the halogen-free material, while the life of t...
Claims
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Application Information
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