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  • Why use ultrafiltration system in electrophoretic coating process

    Why use ultrafiltration system in electrophoretic coating process

      b  Ultrafiltration system of Electrophoresis coating process of the main purpose is to enable the E COAT aluminium is a closed-loop system,  reducing emissions of pollutants, and can also save the electrophoresis coating material. The workpiece after electrophoresis with very low electric...
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  • Research on low-pressure injection technology

    Research on low-pressure injection technology

    Low-pressure injection process is a very small injection of pressure to inject the material into the mold and quickly curing the molding process, to achieve insulation, temperature, anti-impact, damping, moisture proof, waterproof, Dust, resistance to chemical corrosion and so on. This process o...
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  • What are the general requirements of glass aluminum curtain wall design fire

    What are the general requirements of glass aluminum curtain wall design fire

    What are the general requirements of glass aluminum curtain wall design fire (1) filling material of wall between windows, window sill wall should be made of inflammable material. When not burning body outer wall with refractory limit of not less than 100h, the inner wall filling material could ...
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  • The surface treatment process of aluminum alloy pressure casting

    The surface treatment process of aluminum alloy pressure casting

               1、Aluminum  Phosphating The effects of accelerant and fluoride on the Parkerizing process were studied in detail by using SEM, XRD, potential time curve and the change of membrane. The study shows that the nitric acid has a good water-soluble, low dosage, and the characteristics of r...
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  • Squeeze the molding plastic

    Squeeze the molding plastic

                  Extrusion molding is one of the most commonly used molding methods in the processing of plastic products. It is using the extruder screw to rotate the pressure or the plunger pressure, forcing the plastic molding material through the specific shape of the mold to become the shape o...
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  • The working principle of plastic injection molding

    The working principle of plastic injection molding

               The principle of injection molding: Add the granular or powdered plastic material to the drying hopper of the injection machine to dry and dry. After the drying of the plastic raw material under the action of gravity from the dry hopper into the plastic injection moulding ...
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  • The whole structure of the mold

    The whole structure of the mold

                                        Usually, the mold is made up of mechanical zero, component, general and functional components. Therefore, the overall structure design method and principle, the method and principle of general mechanical design are basically the same. However, b...
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  • Selection of aluminum alloy doors and windows

    Selection of aluminum alloy doors and windows

                           1. How to identify the quality of aluminium alloy profiles? From the appearance, the good aluminium alloy profile oxidation coloring film surface light, the appearance of beautiful, pure color, no discoloration, no scratches, the quality of a little wei...
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  • How to detect the internal cracks of aluminum alloy pressure casting

    How to detect the internal cracks of aluminum alloy pressure casting

        Test the product by nondestructive . 1. Ultrasonic detection. Ultrasonic testing and ultrasonic thickness of all kinds of metal tubes, plates, castings, forging and welds. The acoustic parameters such as sonic sound, amplitude and frequency are changed when the ultrasound is encoun...
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  • The difference between mold injection and blow molding

    The difference between mold injection and blow molding

                    1. Injection molding and blow molding process is not the same, the blow is the injection + blow; injection is the pressure + injection; blow must do pull the trachea left the head, the injection must do have a gate section. 2. In general, injection molding is a solid core, bl...
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