The hot chamber die-casting machine has a melting furnace built into it, which has the capability to melt the zinc alloy while maintaining its position. However, for manufacturers who have a certain production scale, it is more important to ensure the quality of the zinc alloy liquid to use centralized melting and then send the liquid zinc alloy to the furnace of each die-casting machine. This is because centralized melting allows for greater control over the quality of the liquid zinc alloy. The central smelting furnace is advantageous. The ingots of zinc alloy are melted down in the central smelting furnace, while a holding furnace is created in the die-casting machine furnace. The composition of the zinc alloy and its temperature are both more likely to remain stable as a result, which is one of the advantages of this method. Energy SavingIt is not necessary for each die-casting machine to melt zinc alloy ingots; instead, it is only used for heat preservation, and the amount of oil required for heat preservation is only one-quarter of what is required for melting.

The atmosphere in the workshop is fresh and sanitary, which cuts down on the heat energy and pollution produced by the workshop while also facilitating a quicker recycling process for the materials that make up the nozzle and the furnace, both of which can be applied to the process of adjusting the composition. The central smelting furnace features an automatic conveying system, which has the capacity to fulfill the zinc alloy liquid requirements of anywhere between 20 and 30 die-casting machines. In order to maintain the consistent temperature of the zinc alloy liquid, the automatic feeding machine is outfitted with specialized heat preservation equipment. As a result, it is able to transport the zinc alloy liquid to the furnace of each die-casting machine in a way that is automatic, punctual, quick, and safe. Boost productivity while simultaneously conserving the available human resources. In the design of the gating system, more slag collecting bags are opened for zinc alloy die castings that must meet stringent quality standards. This ensures that the products of die casting have a greater quantity of nozzle materials.

If the material from the nozzle is added directly to the furnace of the die-casting machine, it is easy to cause the problems listed below: the temperature of the furnace will drop when a large amount is added, the fluidity of the zinc alloy liquid will decrease, and excessively thick slag will accumulate on the surface of the furnace, making it difficult to feed. When there are a lot of impurities and oxides in the material that makes up the nozzle, the die-casting product that results has poor mechanical properties, and the die-casting product is more likely to foam after it has been electroplated. The remelting temperature is kept between 420 and 440 degrees Celsius, and a specialized nozzle recovery furnace is utilized in the process. After the material from the nozzle and the material that was returned from the furnace have both been melted, use a slag remover to remove a layer of ash, oxides, inclusions, and other impurities from the surface of the zinc alloy liquid. This will ensure that the zinc alloy liquid is pure and will improve the quality of die castings. Eliminate unnecessary expenditures and save money on production.

The process of melting is the correct method for carrying out the smelting operation. Before being put to use, the surface of the crucible needs to be scrubbed clean of any oil, rust, slag, or oxides that may be present. In order to prevent the iron element in the iron crucible from dissolving in the zinc alloy, the crucible should be heated to between 150 and 20,000 degrees Fahrenheit, the material should be layered on the working surface, and then the surface should be heated to between 200 and 300 degrees Fahrenheit in order to completely remove any moisture that may be present in the paint. It is recommended to paint in two separate coats. The following options are available for the paint: talcum powder mixed with 6% water glass; quartz powder mixed with water glass;Apply heat and then paint with a brush. The instruments must be kept free of any trace of water; otherwise, the molten metal will splash and explode when it cools. Before melting the alloy material, it must first be cleaned and preheated in order to remove any moisture that has become adsorbed on the surface.

It is recommended that two thirds of the material be brand new, and one third of the material should be recycled, so that the composition of the zinc alloy can be controlled. The melting point of zinc alloy is between 382 and 386 degrees Celsius at its lowest point. If the temperature of the new machine's furnace is broken down into three stages, the first stage has a temperature of 200 aluminum alloy die casting degrees Celsius, the second stage has a temperature of 380 degrees Celsius, and the third stage has a temperature of 420 degrees Celsius. After that, there is a break in the raw materials. After cutting into three pieces, place them in the oven to bake. In addition, you will need to halt the machine in order to remove the zinc solution using a scoop, and then you will need to re-melt the material using the temperature adjustment from the three stages that came before it. This will help prevent the cold material from shattering and burning the crucible. It is imperative that the melting temperature not go above 440 degrees Celsius. When the temperature goes above 440 degrees Celsius, the iron crucible and the tools will be severely corroded. The scum that forms on the surface of the liquid in the zinc pot must be removed in a timely manner, and the zinc material must be replenished in a timely manner in order to maintain the normal height of the molten liquid surface.

Because too much scum and a too low liquid level will easily cause the slag to enter the gooseneck cylinder, strain the steel ring, the China die casting mold hammer head, and the cylinder itself, which will result in the jamming of the hammer head, the gooseneck cylinder, and the hammer head being scrapped. Because too much scum and a too low liquid level will easily cause the slag to enter the gooseneck cylinder. Using a slag rake, give the scum that is floating above the melt a light stirring so that it can collect and be removed. tool Precision molds are molds that have a high degree of precision, and precision mold accessories are a type of accessories that are used in conjunction with molds that have such a high degree of precision. High-quality precision mold accessories can play a variety of functions and functions to escort the mold throughout the process. During the processing phase, the mold can be effectively modified and compensated through the use of a variety of accessories, and these accessories can be changed through the use of a variety of accessories.

Do you have any idea what the optimal working conditions are for precision mold parts?The harshness of the working conditions and the harshness of the working conditionsThe majority of precision mold parts are very abrasive, and some of them frequently bear significant impact loads, which can lead to brittle fracture. High levels of strength and toughness are required of the mold in order to prevent the sudden brittle fracture of mold parts while the mold is being worked on. The amount of carbon in the material, as well as its grain size and organizational state, are the primary factors that determine the tenacity of precision mold parts. When the working temperature of the mold is high, the hardness and strength will decrease. This will result in early wear or plastic deformation of the mold, which will ultimately lead to the mold breaking.

Fatigue Fracture PerformanceFractures caused by fatigue are frequently the result of cyclic stress acting over a prolonged period of time and occurring during the working process of precision mold parts. The forms include small energy multiple impact fatigue fractures, tensile fatigue fractures, contact fatigue fractures, and bending fatigue fractures. The mold's performance with regard to fatigue fracture is primarily determined by its strength, toughness, and hardness, in addition to the amount of inclusions present in the material. Resistance to fatigue caused by exposure to cold and heatDuring the working process, some molds are in a state in which they are repeatedly heated and cooled. This causes the surface of the cavity to be subjected to tension, pressure, and stress, which in turn causes surface cracks and peeling, increases friction, hinders plastic deformation, and reduces dimensional accuracy, which ultimately leads to mold failure. One of the most common causes of failure in hot work dies is a combination of cold and heat fatigue. This category of precision mold parts ought to have a high resistance to the fatigue caused by cold and heat.