Xinxin Die-casting Factory in Pinghu County, Zhejiang Province specializes in the production of hardware fittings, zinc alloy die-casting and other non-ferrous metal die-casting products. With various mold manufacturing equipment and product surface brightening treatment, we are committed to producing various molds. Let’s introduce aluminum die casting.

Actual smelting operation: As described earlier, the whole process of pouring is basically the same as general forging, and the specific steps are related to the smelting of aluminum alloy profiles and the forging of scrap aluminum for remelting.

According to the basic theory of aluminum die-casting aluminum die-casting, the standard ingot die is continuously forged to meet the common forging methods of aluminum electrolysis plants. It is applicable to the casting production and manufacturing of simple contour specifications and appearance design, the net weight is not large, and non-immediate production and processing. Die-casting and forging various aluminum and aluminum alloy profiles for remelting aluminum scrap. There is a professional casting machine for this type of forging.

The horizontal rotary casting method is a forging method with a high degree of mechanical automation in the block iron mold casting method. The aluminum die-casting and forging process is very simple. Because the aluminum alloy ingots for remelting are produced, the shortcomings of the casting surface and the internal crystal structure regulations are relatively not strict. However, at the current stage, customers in the sales market For example, A356.2 forged aluminum alloy ingots still have requirements for the level of pinholes. The requirements of translational continuous forging for processing technology are mainly pouring temperature, pouring rate and water cooling heat dissipation control.

1. Pouring temperature Aluminum and aluminum alloy profile ingots for heavy cultivation are different due to different types of aluminum alloys, so the pouring temperature is also different. In general, the pouring temperature of ordinary aluminum and deformed aluminum alloy profiles is in the range of 30-80 degrees above the temperature of the aluminum alloy crystal. Aluminum alloy casting is within 30-50 degrees above the crystal temperature.

2. Casting rate Translational continuous forging of ingot molds are all fixed-shaped casting machines. Casting machines of different models and specifications have different forging rates. The forging rate is adjustable. The forging rate is indicated by the traveling rate of the mold. But in order to visualize it, forging workers generally measure the forging rate by casting several ingots per minute. It should be emphasized that the forging rate does not need to be adjusted too fast, otherwise, the aluminum die-casting machine will vibrate greatly, and the casting will cause serious wave patterns and surface air oxidation.

3. Refrigeration operation: The refrigeration method of the translational ingot mold rotary casting machine is divided into two types: one is the immersion type forced water cooler at the bottom of the mold, the key operation is that the water seepage temperature is below 40 degrees and the distance between the floor heating pipes is below 60 degrees. . The other is the cooling method of casting. However, in order to ensure the normal operation of the casting machine, it is necessary to reduce the temperature of the mold. The tap water is used for self-injection cooling before or after the mold is cast, which can reduce the temperature of the mold, which prevents aluminum die casting. The common failures of machinery and equipment that will occur in the high temperature operation of the casting machine are also beneficial to the stability of the casting mold and the processing technology standards. The sprinkling temperature of this type of refrigeration method is generally specified below 40 degrees.

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Die casting is a metal casting process, which is characterized by applying high pressure to the molten metal using the cavity of the mold. Molds are usually made of higher-strength alloys. This process is somewhat similar to injection molding. Most die castings are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin and lead-tin alloys and their alloys. Depending on the type of die casting, a cold chamber die casting machine or a hot chamber die casting machine is required.

The cost of casting equipment and molds is high, so the die-casting process is generally only used for mass production of a large number of products. Manufacturing die-cast parts is relatively easy, which generally only requires four main steps, and the individual cost increment is very low. Die casting is particularly suitable for manufacturing a large number of small and medium-sized castings, so die casting is the most widely used one among various casting processes. Compared with other casting techniques, the die-casting surface is flatter and has a higher dimensional consistency.

Based on the traditional die-casting process, several improved processes were born, including a non-porous die-casting process that reduces casting defects and eliminates pores. It is mainly used for processing zinc, which can reduce waste and increase yield by direct injection process.


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In die casting, quality assurance is of paramount importance. Die casting product testing is a step in the process that you cannot ignore. There are many ways that die castings may fail. If these failures are allowed to slip away, it may cause disastrous consequences to your finished product. There must be an effective quality control program to test all possible failure events that die casting parts may experience.


The possibility of die casting failure includes:

1. Porosity

Porosity refers to the state when bubbles are trapped in the part during the die casting process. Usually some tiny voids will inevitably appear, but too many tiny voids or some larger voids will greatly weaken the integrity of the final part and cause it to collapse under pressure.

Quality assurance professionals usually use X-ray techniques or destructive testing to test porosity. The correct casting technique should prevent catastrophic blowholes. Therefore, it is important to make every effort to avoid excessive blowholes by using good process control during the die casting process. However, testing the finished product for faults helps ensure the highest quality product.

2. Incorrect appearance

It is very important to establish visual standards for the surface appearance of castings. This is usually done in the early stages of product development with the customer before the mold design. There are many reasons that the appearance of a work may be incorrect. The most obvious is usually the need for reassembly or poor casting process control.

The only real way to understand the appearance of a part is to compare the actual cast surface with the visual standard established by the customer. If the casting is highly decorative, the die casting machine must understand the customer’s surface finish requirements, and then formulate written decorative standards for the quality team to use in production.

3. Size issues

Due to mold wear or offset between mold halves, some parts may not meet the expected size. These size problems may be so small that they cannot be detected with the naked eye, but they may still cause problems later. The critical dimensions must be indicated on the part printing and checked together with the die-casting machine during the product development process to ensure that the die-casting machine can meet the dimensional tolerances. Critical dimensions always need to be measured by the quality team during the casting process. Measurements can be very simple, or sometimes they require special gauges for very special dimensions on die castings.

If you often encounter size problems or lack of repeatability, you may want to consider repairing the mold or reinstalling the mold.

4. Omit painting or assembly steps

As with appearance issues, the only real way to tell if it was missed in finishing or assembly is to look at the part. These types of problems are almost always the result of incorrect procedures. Writing a clear process and checklist can help avoid this problem. A good die casting machine will have a system that can track parts throughout the production process of the factory and provide very clear inspection standards for each station of the process.

5. Casting leakage

Castings can leak for a variety of reasons, including porosity and mold wear. To test whether the casting is leaking, an air attenuation leak tester is usually used. Another way to check for leaks is to immerse the part in water for a specified time and pressure. Customers need to define this method during product release and before mold design.

6. Organize the problem

If you leave excess material, it may be a problem of poor die casting maintenance, poor design or poor finishing process. Although you can also use online gauges or p-frame methods to test for more subtle trimming issues, it is usually easy to see if there are trimming issues.

Why quality assurance is important
It will be effective if you take the time to properly conduct product quality assurance testing. This is very important because it can help you avoid sending defective parts to customers. Damaged parts can cause customer production delays, excess costs, property damage and personal injury, and may also damage your reputation.

Quality assurance can also help you identify areas in the process that can be simplified and improved in order to continuously produce better products.



Jiaxing Yunhe Trading Co., Ltd. specializes in producing Aluminum die casting , zinc die-casting and other non-ferrous metal die-casting products. Our products mainly cover automobiles, motorcycles, auto parts, luggage, medical equipment (wheelchairs), lights, LEDs, locks, connectors, elbows, strollers, belt buckles, and hardware accessories. With various mold manufacturing equipment and product surface brightening treatment, we are committed to producing various molds. Is a professional die casting supplier in China. Welcome to buy: https://www.xinxinmetal.com/product/zinc-aluminum-alloy-screws-and-nuts/


Die casting is a popular manufacturing process used for casting metal products. There are two main types of die-casting process, and several changes in process design. When molten metal is forced into the cavity under high pressure, it is called die casting. This process is most suitable for rapid production of bulk metal parts that require minimal post-processing. The main advantages of the die casting process include:

High quality: parts made by die casting have a long service life.


High reliability: The uniformity of mass-produced parts is excellent.


Fast production: The die-casting mold requires minimal maintenance.


Multi-functional design: Die casting parts can produce almost any size, part geometry, surface texture or gloss.
Minimal assembly: The assembly functions such as studs, drilling and bosses can be integrated into the mold design.





The main products of Power generating tools include various accessories for automobiles and motorcycles, motor parts, luggage, medical equipment (wheelchairs), lights, LEDs, locks, accessories, elbows, strollers, belt buckles and hardware accessories. Complete mold equipment, plus surface brightness processing of products, and undertake various mold manufacturing. For details of replacement products, please pay attention to Jiaxing Yunhe Trading Co., Ltd.: https://www.xinxinmetal.com/product/electrical-tools/




Die casting is a metal casting process characterized by forcing molten metal under high pressure into the cavity, usually in a metal foundry. This process is useful for mass production projects that require very precise specifications based on specifications. Die casting is an attractive process for many business owners because it is a cost-effective method of manufacturing rugged parts and components. When choosing the right materials for your project, several factors must be considered.

Aluminum is a commonly used alloy in die casting, but aluminum tends to shrink and crack at high temperatures. To avoid this, it is usually alloyed with silicon or copper to increase hardness and fluidity. And because this combination also has corrosion resistance, it is very suitable for electrical and thermal applications.

Copper-based alloys are also used for die casting because these types of alloys are both durable and resistant to corrosion. These types of alloys are commonly used to make electrical and piping materials.

Zinc is an easy-to-cast alloy that can be combined with aluminum to form high-strength materials. Because of its low melting point, zinc is very suitable for hot chamber casting. Zinc is a popular material for manufacturing gears and connectors.

Magnesium is a relatively light alloy that can be used in applications requiring thin walls and precision.


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One of the main advantages of die casting is the ability to produce parts and products of various shapes and sizes. Unlike other manufacturing processes (such as extrusion), the die casting process does not limit the shape of the part, and in most cases will be the final shape of the part.

Durability:
Unlike plastic parts, die-cast parts are stronger than plastic parts. In most cases, this can make the wall of the part thinner while maintaining the strength required for its application. In addition, die castings can withstand a wider temperature range, making them more ideal in harsh temperatures and working environments.

High-speed mass production:
Because the die-casting process allows manufacturers to produce complex parts into their final shapes, little or no machining process is required, which reduces production time and makes die-casting one of the most effective processes for mass production of complex non-ferrous parts.

Green manufacturing:
How long does it take for biodegradation of plastics? According to scientists, it takes at least hundreds of years for plastics to degrade completely. This means that outdated plastic products will accumulate in landfills, pollute our beaches, kill millions of marine animals, and cause health hazards to residents near us. Unlike plastics, die-cast parts are mainly made from recyclable materials. On average, about 95% of the metal is recovered from recyclable parts, which makes it a sustainable material that can be used repeatedly without degradation.

Thin-wall castings:
Compared with sand casting and permanent molds, the die-casting process can produce thin-walled parts due to the high pressure during the injection process. This allows a lightweight structure and eliminates or reduces the need for secondary operations.

Insert casting:
The die casting process allows inserts to be cast to form certain features, such as threaded inserts, heating elements or high-strength bearing surfaces.


Die-casting parts can be used to make shells bought for Lamps and lanterns , automobiles, motorcycles, auto parts, luggage, medical equipment, etc., and are widely used. We supply non-ferrous metal die casting products such as aluminum alloy die casting and zinc alloy die casting. Follow Jiaxing Yunhe Trading Co., Ltd. for product information and technical information: https://www.xinxinmetal.com/


The overall design of the casting is a step in the aluminum die-casting work. The rationalization of the design scheme and the adaptability of the processing technology may jeopardize the smooth progress of the next work, such as the difficulty of mold design and manufacturing, the precision of the casting, the type of defects, etc. Both are based on the prerequisites of the casting’s own process performance. In order to avoid the quality defects of castings from the source, and continuously produce castings at a low cost, it is necessary that the structure of castings is suitable for the casting process. The overall design of the casting is to make the organization and appearance of the casting consider the prerequisites of the processing technology regulations as far as possible to meet the various requirements of the casting process and die casting.


Process performance of casting structure:
1. Clear the internal undercuts of castings as much as possible to make the mold design simple.
2. Make the wall thickness of the casting as uniform as possible. You can use ribs to reduce the wall thickness to prevent the casting from causing defects such as air vents, shrinkage and deformation.
3. Remove the deep holes and deep cavities in the castings as much as possible. Because the small, medium and small cores are easy to bend and break. Poor filling and exhaust pipes in deep cavity.
4. The casting of the design plan should be beneficial to mold release and core pulling.

Aluminum die-casting is a unique forging method. Compared with other forging methods, the basic feature is that the shape memory alloy is used to fill the abrasive tool with high speed and high pressure. However, because of the original charging method of aluminum die casting The gush caused by the mold and the rapid cooling of the metal material abrasive tool and the high productivity to the abrasive tool make the casting inevitably cause many shortcomings, some of which are inherent in the aluminum die-casting method, and some can prevent Yes, some shortcomings are not easy to jeopardize the characteristics of castings, so it is not easy to cause scraps of castings, and in addition some shortcomings will harm the characteristics of castings and become waste. Quality is the company’s fate line, the key support to enhance the company’s market competitiveness, and the key standard to improve the company’s economic benefits. Therefore, to improve the quality of castings, regardless of the economic development rights and interests of aluminum die-casting companies, or the social economy that reduces resource consumption The benefits are all very beneficial.


An electric tool is a manually-operated tool that uses a low-power motor or electromagnet as power and drives the working head through a transmission mechanism. It is mainly divided into metal cutting power tools, grinding power tools, assembly power tools and railway power tools. Jiaxing Yunhe Trading Co., Ltd. is a professional Chinese manufacturer and supplier of Power tools die casting part . Welcome to consult and purchase: https://www.xinxinmetal.com/product/electrical-tools/


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