LuoYang Matvey New Materials Technology CO.,LTD’s Post

What is Chemical Conversion Coating? Chemical conversion coating is a chemical or electrochemical treatment applied to metals. It superficially changes the metals into a thin adherent coating of an insoluble compound. These coatings are frequently used to protect metals from corrosion, increase the adhesion of other coatings, provide lubrication, or for aesthetic purposes. Chemical Conversion Coating Tank Chemical conversion coatings can be applied to various metal surfaces, including aluminum, steel, and brass. They are often used in aerospace, automotive, and construction industries, where corrosion resistance is important. In addition to corrosion resistance, chemical conversion coatings can also improve the appearance of the metal surface and make it easier to clean and maintain. known to cause cancer. Consequently, its use is extremely hazardous to workers. Some businesses allow its usage, but only with suitable ventilation and elimination method. MIL-DTL-5541 Type 2 Type 2 is a safer option than type 1. It contains trivalent chromium, zirconium, or titanium. As a result, it is a hex-free chrome. This type of coating is often colorless. Thus, it is described as clear. Some of the advantages of type 2 over type 1 are: Type 2 occurs at lower temperatures than type 1. Type 2 has a profile that is safer and non-harmful, making it more of a favorite in the precision machining parts manufacturing industry. The application process for type 2 is easier, faster, and more straightforward.

The hot-dipped galvanizing production process involves several steps: 1. Surface Preparation: The material to be galvanized is cleaned to remove any dirt, grease, or other contaminants. This is typically done through a combination of chemical cleaning, pickling, and rinsing. 2. Fluxing: The material is dipped into a flux solution, which helps to remove any remaining oxides and promotes the formation of a clean zinc surface. 3. Galvanizing: The material is then immersed into a bath of molten zinc at a temperature of around 450°C (850°F). The molten zinc reacts with the clean steel surface, forming a series of zinc-iron alloy layers. This process is known as metallurgical bonding. 4. Quenching: After the material is withdrawn from the zinc bath, it is quenched in a tank of water or air to cool it down rapidly. This step helps to solidify the zinc coating. 5. Inspection: The galvanized material is inspected for any defects or imperfections in the coating. This may include visual inspection, thickness measurements, and adhesion testing. 6. Finishing: Any excess zinc or rough edges are removed, and the galvanized material is ready for further processing or shipment.

WHAT IS COLD BOX? – A QUICK GUIDE FOR BEGINNERS AND BEYOND 🎯Casting with moulds made using cold-box mixtures is a process that achieves an optimal balance between product quality, cost, and expenses. Moulding technologies are continually advancing, with new materials offering innovative characteristics. Let’s go over the key stages of working with them. 📂Cold-box mixtures (CBM) are air-curing mixtures that harden in and outside tooling under the influence of gaseous or liquid hardeners (catalysts) through a chemical reaction, without additional heating. These mixtures generally consist of a refractory filler (sand), a binder, and a hardener (catalyst). All components are mixed using specialized equipment. Casting into moulds made with CBM produces castings of any configuration from ferrous and non-ferrous alloys. CBM can be easily adapted to meet production requirements for quality (including cleanliness, dimensional and weight precision, and appearance), investment capacity, environmental and climatic conditions, and personnel skill level. ☑️ We’ll help you grasp the fundamentals and reveal the secrets that allow casters to create top-quality products with minimal effort!

Shrinkage porosity in die casting is an important process issue. In the process of die casting, due to the volume shrinkage of the metal when the liquid cooling solidified, and the gas is not discharged in time, it may lead to the formation of small pores or pores inside the casting. These pores not only affect the appearance quality of the casting, but more importantly, they may reduce the mechanical properties, corrosion resistance and service life of the casting. In order to solve the problem of shrinkage pores in die casting parts, manufacturers usually take a series of measures. For example, optimizing mold design to better guide the flow and exhaust of metal liquids; Control the temperature during the die casting process to ensure that the liquid metal can solidify evenly and stably; Adjust alloy composition to improve metal flow and filling capacity; Vacuum die casting technology is used to reduce the dissolution and precipitation of gas in liquid metal. In addition, infiltration treatment is also an effective solution. By utilizing the capillary action of the impregnating agent, the impregnating agent can be permeated into the pores of the casting, thus filling these defects. Infiltration treatment can not only improve the density and hardness of the casting, but also enhance its wear resistance and corrosion resistance, and extend the service life of the casting. However, it is important to note that although infiltration treatment can repair some stomatal defects, it does not completely eliminate all stomata. Therefore, the manufacturer should strictly control the process parameters in the die casting process to ensure that the quality of the casting meets the requirements. At the same time, for critical parts or high-demand castings, a higher level of inspection means may be required to ensure that there are no defects such as pores. In short, solving the shrinkage porosity problem in die casting is a comprehensive process challenge, which requires manufacturers to carry out comprehensive optimization from many aspects such as mold design, die casting process and post-treatment. #hpdc #diecastingpart

Coolants are a pillar in CNC machining applications, and they play an important role in improving part finish and tolerance, productivity, and tool life. As the name suggests, coolants keep the tool and parts cool during the machining process, which can generate significant heat. Without adequate coolant, this can cause wear and tear on machinery and lead to component issues. Coolants can be synthetic, semi-synthetic, or soluble oils. -Synthetic coolants contain no mineral oil and work well for grinding and machining of ferrous materials. -Semi-synthetics contain low amounts (usually <30%) of mineral oil, along with synthetic compounds. These products work well for grinding and machining all metals. -Soluble oil coolants generally contain >50% mineral oil. The high physical lubricity of oil makes these coolants ideal for any machining process. Whichever type of coolant is best suited to your operation, Impact Fluids is your source. We carry a wide variety of coolants, lubricants, and other metalworking fluids from top brands like Curtis Fluids, Fortech Products, and Hangsterfer’s Laboratories. Check out our coolant offerings ⬇️ https://bit.ly/3vjhfVn #industrialfluids #metalworkingfluids #metalforming #metalsmanufacturing

In anodizing, the surface of metal parts is treated with several processes to thicken the natural oxide layer and make the metal more resistance to corrosion. To do this efficiently and effectively, a number of #ChemicalPumps are used to transfer chemicals and rinse waters, provide flow through filters and eductors, and empty and refill tanks with chemical solutions. Learn more about how pumps are used in the #anodizing industry at https://lnkd.in/ecgy54sy. #FinishThompson #PumpSystems #madeintheUSA  

What are the steps involved in the production of aluminum profiles, let's learn about them: 1. Melting and Casting: Melting aluminum ingots and alloy elements and casting them into billets. 2. Extrusion: Heating the billets and extruding them through a die to form profiles. 3. Cooling: Cooling the extruded profiles using air or water cooling. 4. Stretching: Stretching the profiles to eliminate stress and ensure straightness. 5. Cutting: Cutting the profiles to the required length. 6. Heat Treatment (Optional): Performing heat treatment to enhance mechanical properties. 7. Surface Treatment (Optional): Performing surface treatment to improve corrosion resistance and aesthetics. 8. Inspection and Packaging: Inspecting quality and packaging for shipment.

What are Titanium and Titanium alloy tube processing methods? Modern titanium tube processing methods mainly include mechanical processing, thermal processing and chemical processing. Among them, mechanical processing is the most commonly used method, including turning, milling, drilling, grinding, polishing, etc. In the process of mechanical processing, attention should be paid to the selection of tools, the clamping of titanium tubes and the sharpening of tools to ensure the surface finish and precision of titanium tubes. Thermal processing is to heat titanium tubes at high temperatures to soften and shape them. Thermal processing includes cold rolling, hot rolling, forging and deep drawing. These methods have high requirements on the shape and size of titanium tubes and are usually used to produce large quantities of standardized parts. Chemical processing is generally used for surface treatment of titanium tubes, including acid etching, electrolytic polishing, electrochemical oxidation, etc. These methods can improve the surface quality and corrosion resistance of titanium tubes. https://lnkd.in/gE29HfUH #titanium #TitaniumAlloy #titaniumtube #titaniumpipe #factory

The hot-dipped galvanizing production process involves several steps: 1. Surface Preparation: The material to be galvanized is cleaned to remove any dirt, grease, or other contaminants. This is typically done through a combination of chemical cleaning, pickling, and rinsing. 2. Fluxing: The material is dipped into a flux solution, which helps to remove any remaining oxides and promotes the formation of a clean zinc surface. 3. Galvanizing: The material is then immersed into a bath of molten zinc at a temperature of around 450°C (850°F). The molten zinc reacts with the clean steel surface, forming a series of zinc-iron alloy layers. This process is known as metallurgical bonding. 4. Quenching: After the material is withdrawn from the zinc bath, it is quenched in a tank of water or air to cool it down rapidly. This step helps to solidify the zinc coating. 5. Inspection: The galvanized material is inspected for any defects or imperfections in the coating. This may include visual inspection, thickness measurements, and adhesion testing. 6. Finishing: Any excess zinc or rough edges are removed, and the galvanized material is ready for further processing or shipment.