Abstract: A spray gun adjusting device for adjusting painting position of spray gun includes a first axis mechanism and a second axis mechanism slidably positioned on first axis mechanism. First axis mechanism includes a screw rod extending along first direction, a first sliding block, a screw nut sleeved on the screw rod, a first bevel gear fixed to screw nut, a second bevel gear meshing with first bevel gear, and a first driving shaft fixedly connected to second bevel gear, and the screw nut and first driving shaft are rotatably positioned on first sliding block. Second axis mechanism includes a sliding rod along second direction, a second sliding block slidably sleeved on sliding rod, a gear rack fixed to sliding rod, a gear meshing with gear rack, and a second driving shaft fixed to the gear, and second sliding block is fixed to first sliding block of first axis mechanism.

Abstract: A spray gun adjusting device for adjusting painting position of spray gun includes a first axis mechanism and a second axis mechanism slidably positioned on first axis mechanism. First axis mechanism includes a screw rod extending along first direction, a first sliding block, a screw nut sleeved on the screw rod, a first bevel gear fixed to screw nut, a second bevel gear meshing with first bevel gear, and a first driving shaft fixedly connected to second bevel gear, and the screw nut and first driving shaft are rotatably positioned on first sliding block. Second axis mechanism includes a sliding rod along second direction, a second sliding block slidably sleeved on sliding rod, a gear rack fixed to sliding rod, a gear meshing with gear rack, and a second driving shaft fixed to the gear, and second sliding block is fixed to first sliding block of first axis mechanism.

Abstract: A housing is for an electronic device. The housing includes a main body made of thermoplastic, and a transparent layer formed on the main body. The transparent layer is made of transparent thermosetting plastic.

Abstract: A method for making housing, comprising: providing a substrate; etching the substrate to form a plurality of grooves on a surface of the substrate; micro-arc oxidizing the substrate to form a micro-arc oxide film in the grooves and on the surface of the substrate; and polishing the micro-arc oxide film formed on the surface of the substrate. A housing, comprising: a substrate, the substrate having a plurality of grooves defined therein; and a micro-arc oxide film formed on the surface of the substrate and in the grooves; wherein the oxide film formed on the surface of the substrate is polished to present a glossy appearance.

Abstract: A housing, comprising: a substrate; a micro-arc oxide film formed on the substrate; and a plurality of grooves formed on the oxide film; wherein all or part of the oxide film is polished to present a glossy appearance, the grooves are formed on the polished region of the oxide film. A method for making housing, comprising: providing a substrate; micro-arc oxidizing the substrate to form a micro-arc oxide film on the substrate; polishing at least part of the micro-arc oxide film; and etching the polished surface of the micro-arc oxide film to form grooves in the polished surface.

Abstract: A process for sealing micro pores of micro-arc oxide film is disclosed in the present disclosure. The process may comprise the following steps: providing a metal coated with a micro-arc oxide film; providing a dipping solution including polyester methacrylate monomer for use as a sealing agent; and dipping the metal in the sealing agent to form a coating on the oxide film's surface.

Abstract: A process for sealing micro pores of micro-arc oxide film is disclosed in the present disclosure. The process may comprise the following steps: providing a piece of metal having a micro-arc oxide film; preparing a solution including ethyl silicate to make a sealing agent; dipping the metal in the sealing agent to form a coating on the film's surface.

Abstract: A process for sealing micro pores of micro-arc oxide film is disclosed in the present disclosure. The process may comprise the following steps: providing a metal coated with a micro-arc oxide film; blending a silicone resin and a diluting agent to make a sealing agent; daubing the sealing agent onto the micro-arc oxide film to form a coating on the film's surface.

Abstract: A process for sealing micro pores of micro-arc oxide film is disclosed. The process comprises the following steps: providing a piece of metal formed with a micro-arc oxide film; blending a polyurethane resin and a firming agent to make a sealing agent; spraying the sealing agent onto the micro-arc oxide film to form a coating on the film's surface. The process can also be: blending an epoxy resin and a firming agent to make a sealing agent to sealing the micro pores by spraying.

Abstract: An aluminum alloy article includes an aluminum alloy substrate and a micro-arc oxide film formed on the aluminum alloy substrate. The micro-arc oxide film includes a transition layer gradually infiltrating into the aluminum alloy substrate, a middle dense layer formed on the transition layer, and an outer dense layer formed on the middle dense layer, the outer dense layer having a density larger than that of the middle dense layer.

Abstract: A housing includes a plastic substrate, a transparent plastic film, and an intermediate layer sandwiched between the plastic substrate and the transparent plastic film. The intermediate layer includes a metallic coating formed on the transparent film and a protective coating formed on and covering the metallic coating. The plastic substrate is moldingly attached to the protective coating.

Abstract: An exemplary housing includes a light metal base and a ceramic film. The light metal base has an outer surface. The ceramic film is formed on the outer surface of the light metal base by micro-arc oxidation process. A method for making the present housing is also provided.