Posts Tagged ‘Die Casting Zinc’

The Advantages of Die Casting Using Zinc. The concept of die casting is basically the process of forcing molten metal into mold cavities using high pressure. Most of the die casting done in the market are made from metals that are non-ferrous including but not limited to zinc. However, it is also possible to do die casting with the use of ferrous metals, but this is seldom done. Other non-ferrous metals that are used for die casting are copper, lead, tin, etc. Zinc is a popular metal for die casting due mainly to the zinc alloy’s favorable characteristics and advantages over other materials and processes.

One advantage of zinc die casting is the metal’s high strength and its hardness. Zinc die castings are famous for their great impact strength compared to other materials. It may not be stronger than steel but stronger than “steel weldment”. Another preferred advantage of zinc die casting is its castability feature. This is due to the fact that zinc has a fluid nature that beats other metals. Likewise, zinc has a longer die life. In zinc die casting, the die life is 1 million shots before the need for replacement occurs. This is 10 times longer that what is found in other materials like aluminum die casting. The possibility of easier parts consolidation in zinc die casting due mainly to its higher fluidity makes it another advantageous feature of the metal. Lastly, zinc is not expensive compared o other metals and therefore the practical choice for many die caste. It is also readily available. More advantages can be found when die casting zinc. Online sites can provide the information readily.

Zinc Castings – Techmire Die Casting. At present, one major company engaged in the industry of metalworking is Techmire. This company has been creating several die casting machines from the small tradition die cast business up to the established companies. Its main factory is located in Canada, but still manages to serve clients from 30 other countries. It is also known to provide excellent customer service because they have different ways to communicate with their clients. They can be contacted through fax, telephone and internet.

Techmire Zinc Die Castings are created through zinc-designed die casting equipment. Two different groups of equipment for zinc castings are manufactured by the company. These are the NTX Series and NT Series of Techmire Zinc Castings equipment.

The NTX Series Techmire Die Castings include the newest technology such as the clamping system, which has the capability to handle velocities, higher capacity and extreme pressures. This new technology produces end products that have an enhanced surface finish and better zinc part density. The NTX series have three different machine models, the 88 NTX, 44 NTX and 24 NTX. All three machine models give various purposes for different products, but they are all similar to giving rigidity, enhanced cycle speeds, heavier load bearings, also the handling of larger surface area parts and smaller components. Furthermore, it offers other enhancements for the creation of different zinc parts.

On the other hand, the general purpose NT Series Techmire Zinc Castings are fully automatic, high precision and hot chamber die casting equipment utilizing lots of slide technology. The three NT Series models; 66NT, 44NT and 22NT, offers a dissimilarity in standard die size and suggested shot weight.

The Process of Hot Chamber Zinc Die Castings. A Hot Chamber machine is especially used for low melting point alloys like magnesium, zinc and copper, which don’t quickly damage metal hot chamber pots, plungers and cylinders. One popular hot chamber die casting process used is the Hot Chamber Zinc Castings process. Because it provides high rate of productivity, more and more companies are using the Hot Chamber Zinc Castings process.

In the process of Hot Chamber Zinc Die Castings, strips or rods of metal zinc will be melted inside a hot chamber at about 700-800 degrees Fahrenheit. While the zinc metal is inside the hot chamber, the gooseneck, commonly called as the shot sleeve, will be plunged into the hot chamber. Then the molten zinc metal is injected straightly from the hot chamber, inside the pair of die halves that are attached in the Hot Chamber Zinc Die Castings machine.

After that, the molten zinc metal will be infused with hydraulic pressure inside the pair of die halves. The molten zinc will be held under a high pressure in anticipation of the solidification of the metal. The waiting time is commonly about 15 seconds, but it still depends on the size of the parts. Afterwards, the pair of die halves will be opened and all the parts will be removed either by hand or with the use of a machine. Finishing touches like assembly, chrome plating, anodizing, painting, precision machining, tumble deburring and trimming will be followed.

That’s how the process of Hot Chamber Zinc Die Castings works. It may look simple but it requires regular monitoring and hard work to produce a perfect material.

Die Casting Processes with the Use of Zinc Alloy. Die casting is the process by which molten ferrous metal, e.g., zinc, magnesium, copper, lead, tin, aluminum, etc., are molded into cavities and placed under pressure to form. The method of die casting is ideal if the application needed is in large quantity and should be well-detailed and has fine quality. Zinc is a non-ferrous metal that is popularly used for die casting. This is due to the fact that zinc alloys have many characteristics that far exceed other metals. Zinc alloys have high strength and hardness, has high thermal and electrical conductivity, low cost, good finishing characteristics, outstanding fluidity, and excellent corrosion resistance among others.

In the zinc die casting process, two processes are involved, the hot chamber method and the cold chamber method. These two zinc die casting processes make use of various types of metal alloys during the production of parts in the zinc die casting process. The hot chamber method involves the process wherein a steel die is filled with a pool of molten metal, all the time maintaining pressure, until the metal hardens. The second process, the cold chamber method, involves the use of two separate chambers, first to melt, then to hold the melted zinc alloy before it is poured into a shot cylinder and afterwards inject them to the die casting die. Before, the metal alloys used in Zinc die casting processes are tin and lead. The zinc alloy however gained popularity and is now the first choice when it comes to die casting.

Zinc Die Casting Invented by a certain Elisha K. Root, die casting has become a well-known process in the metallurgical industry. Die casting traces back its roots in Connecticut in 1830.

This process is applied in zinc. Same with other metals, the process involves high temperature and intense pressure in order to come up with dies. The zinc die casting process takes place as metal is heated into a high temperature in order to make it malleable. The molten zinc is then placed into mold cavities. Extreme pressure is applied to the metal in order to produce hard and strong dies.

Zinc die cast has become popular to industries where strength, detail and production matter. This process has the ability to produce metal dies that requires great details and consistent outputs.

Of course, die casting cannot be made possible without the use of machines. There are two types of machines that are commonly used for the process. They are the hot-chamber machines and the cold-chamber machines. Both machines allow die casting only on certain types of metals and not on all types. These machines differ not only in the metals that it can process but also in the time it takes to perform the entire die casting procedure. Cold-chamber machines take longer as the transfer of the molten metal needs to be done slowly. The machine usually used in zinc die casting is the hot-chamber machines.

Aside from zinc, other metals that are used in die casting are magnesium, aluminum, lead and tin.