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Die casting is a metal casting process characterized by the use of a mold cavity to apply high pressure to the molten metal. Molds are usually machined from higher strength alloys, some of which are similar to injection molding. Most die castings are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin, and lead-tin alloys, as well as alloys thereof. Depending on the type of die casting, a cold chamber die casting machine or a hot chamber die casting machine is required. Casting equipment and molds are expensive, so the die casting process is generally only used to mass produce a large number of products. It is relatively easy to manufacture die-cast parts, which generally requires only four main steps, with a single cost increment being low. Die casting is particularly suitable for the manufacture of a large number of small and medium-sized castings, so die casting is the most widely used of various casting processes. Compared to other casting techniques, the die-cast surface is flatter and has a higher dimensional consistency. Based on the traditional die-casting process, several improved processes have been developed, including a non-porous die-casting process that reduces casting defects and eliminates porosity. It is mainly used for processing zinc, which can reduce the direct injection process of waste to increase the yield. There are also new precision die casting technologies invented by General Dynamics and semi-solid die casting. The traditional die casting process consists of four steps, or high pressure die casting. These four steps include mold preparation, filling, injection, and falling sand, which are also the basis for various improved die casting processes. During the preparation process, it is necessary to spray a lubricant into the cavity. In addition to helping to control the temperature of the mold, the lubricant can also help the mold to be demolded. The mold can then be closed and the molten metal injected into the mold with high pressure, which is in the range of about 10 to 175 MPa. When the molten metal is filled, the pressure is maintained until the casting solidifies. Then the push rod will push out all the castings. Since there may be multiple cavities in one mold, multiple castings may be produced during each casting process. The process of falling sand requires separation of debris, including mold openings, runners, gates, and flash. This process is usually done by extruding the casting through a special dressing die. Other sand falling methods include sawing and sanding. If the gate is relatively fragile, you can directly drop the casting, which saves manpower. Excess mold openings can be reused after melting. The usual yield is about 67%. High pressure injection results in a very fast filling of the mold so that the molten metal can fill the entire mold before any part solidifies. In this way, surface discontinuities can be avoided even in thin-walled sections that are difficult to fill. However, this can also cause air to stay because the air is hard to escape when filling the mold quickly. This problem can be reduced by placing a vent on the parting line, but even a very precise process will leave a hole in the center of the casting. Most die castings can be used to perform structures that cannot be completed by casting, such as drilling and polishing. Defects can be checked after the falling sand is completed. The most common defects include stagnation (pouring) and cold heading. These defects may be caused by insufficient temperature of the mold or molten metal, impurities in the metal, too little vent, and too much lubricant. Other defects include pores, shrinkage cavities, hot cracks, and flow marks. Flow marks are traces left on the surface of the casting by gate defects, sharp corners or excessive lubricant. Water-based lubricants, known as emulsions, are the most commonly used type of lubricant for health, environmental, and safety reasons. Unlike solvent-based lubricants, if the minerals in the water are removed using a suitable process, it does not leave by-products in the casting. If the process of treating water is not appropriate, minerals in the water can cause surface defects and discontinuities in the casting. There are four main water based lubricants: water blending, oil blending, semi-synthesis and synthesis. Water-oiled lubricants are preferred because water can be used to release the mold by evaporation while cooling the surface of the mold while depositing the oil. Usually, the ratio of such a lubricant is 30 parts of water mixed with 1 part of oil. In extreme cases, this ratio can reach 100:1. Oils that can be used in lubricants include heavy oils, animal fats, vegetable fats, and synthetic oils. The heavy residual oil has a higher viscosity at room temperature, and it becomes a film at a high temperature in the die casting process. Adding other substances to the lubricant controls the viscosity and thermal properties of the emulsion. These materials include graphite, aluminum and mica. Other chemical additives can avoid dust and oxidation. An emulsifier can be added to the water-based lubricant so that the oil-based lubricant can be added to the water, including soap, alcohol, and ethylene oxide. Solvent-based lubricants commonly used include diesel and gasoline for a long time. They facilitate the casting out, but small explosions occur during each die casting process, which results in the accumulation of carbon on the walls of the cavity. Solvent-based lubricants are more uniform than water-based lubricants. 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Yindi offers full service Custom Die Casting in both aluminum and zinc. Established since 1996, we are large enough to fulfill your requirements. We believe that die casting is the shortest distance between the ingot and finished part. And our belief is borne by the fact that customers frequently use our high quality casting parts. To start the process, we need certain information to ensure that our services can fit your requirements. As a die casting manufacturer, we have 300 highly trained employees.

As you may know, aluminium die casting is a kind of tool for casting metal parts and a special die forging machine to complete die casting process. Die casting material, die casting machine, die casting mould is the three major elements of aluminium die casting production, which are indispensable with each other. The so-called die casting process is the comprehensive application of these three elements, so that the qualified die casting can be produced stably and efficiently with the internal quality being good, the size meeting the requirements of the pattern or agreement and the appearance being smooth. All these have very high requirements for the aluminium die casting manufacturers.

YINDI MATRIX DIE-CASTING CO., LTD, as one of the aluminium die casting companies in China, would like to share some insights with you. It will be a great honor for us to be your aluminium die casting adviser, as far as YINDI is concerned, there are several factors accounting for the reason why we can be a good adviser for you and why we are a reliable die casting manufacturer for you to choose among so many aluminium die casting manufacturers.

First of all, YINDI is an aluminum die casting factory company which is founded in 1996. With more than twenty years’ experience as being a die casting manufacturer, we have a wide range to apply the die casting products, such as aerospace, weapons industry, instruments, medical equipment, fitness equipment, power station, motor shell, fire fighting, electrical accessories, power tools, pneumatic tools, reducer shell, cooking utensils (non-stick product series), communication product shell, audio shell, door and window curtain wall accessories, toys, furniture accessories, luggage pendants, process accessories, engineering structure parts, diesel engine accessories, bicycle accessories, ship accessories, urban vehicle accessories, flat ironing machine shell and other hardware accessories. Second of all, with the construction area of more than 10000 square meters, we can specialize in die casting design and manufacturing, zinc and aluminum alloy parts die casting molding and subsequent processing. Meanwhile, we can provide one-stop service according to the customer requirements for polishing, electroplating (powder spraying) and so on. The last but not the least, we take the Japanese famous die casting enterprise and the expert as the technical support, and systematically introduce the Japanese advanced management and the process technology, and continuously train the management and the technical personnel. We have a set of first-class advanced processing equipment which is using the international leading CAD/CAM/CAE design and processing mode. What’s more, we coupled with more than 30 skilled die casting masters who can design and manufacture more than 60 sets of zinc and aluminum alloy die-casting molds of all sizes. So our production technical ability is strong, die casting and post-processing equipment is perfect, at the same time, we have advanced management system, good after-sales service, stable and skilled production team, all these lead to the fact that we can be your ideal supporting supplier with product quality assurance and fast shipment and professional adviser with know-how experience.

automotive die casting
medical die casting mold
light fixtures die casting
valve or pump die casting part
aluminium pressure die casting
die casting for machine

Our Mission

As you may know, aluminium die casting is a kind of tool for casting metal parts and a special die forging machine to complete die casting process. Die casting material, die casting machine, die casting mould is the three major elements of aluminium die casting production, which are indispensable with each other. The so-called die casting process is the comprehensive application of these three elements, so that the qualified die casting can be produced stably and efficiently with the internal quality being good, the size meeting the requirements of the pattern or agreement and the appearance being smooth. All these have very high requirements for the aluminium die casting manufacturers.

YINDI MATRIX DIE-CASTING CO., LTD, as one of the aluminium die casting companies in China, would like to share some insights with you. It will be a great honor for us to be your aluminium die casting adviser, as far as YINDI is concerned, there are several factors accounting for the reason why we can be a good adviser for you and why we are a reliable die casting manufacturer for you to choose among so many aluminium die casting manufacturers.

First of all, YINDI is an aluminum die casting factory company which is founded in 1996. With more than twenty years’ experience as being a die casting manufacturer, we have a wide range to apply the die casting products, such as aerospace, weapons industry, instruments, medical equipment, fitness equipment, power station, motor shell, fire fighting, electrical accessories, power tools, pneumatic tools, reducer shell, cooking utensils (non-stick product series), communication product shell, audio shell, door and window curtain wall accessories, toys, furniture accessories, luggage pendants, process accessories, engineering structure parts, diesel engine accessories, bicycle accessories, ship accessories, urban vehicle accessories, flat ironing machine shell and other hardware accessories. Second of all, with the construction area of more than 10000 square meters, we can specialize in die casting design and manufacturing, zinc and aluminum alloy parts die casting molding and subsequent processing. Meanwhile, we can provide one-stop service according to the customer requirements for polishing, electroplating (powder spraying) and so on. The last but not the least, we take the Japanese famous die casting enterprise and the expert as the technical support, and systematically introduce the Japanese advanced management and the process technology, and continuously train the management and the technical personnel. We have a set of first-class advanced processing equipment which is using the international leading CAD/CAM/CAE design and processing mode. What’s more, we coupled with more than 30 skilled die casting masters who can design and manufacture more than 60 sets of zinc and aluminum alloy die-casting molds of all sizes. So our production technical ability is strong, die casting and post-processing equipment is perfect, at the same time, we have advanced management system, good after-sales service, stable and skilled production team, all these lead to the fact that we can be your ideal supporting supplier with product quality assurance and fast shipment and professional adviser with know-how experience.

As you may know, aluminium die casting is a kind of tool for casting metal parts and a special die forging machine to complete die casting process. Die casting material, die casting machine, die casting mould is the three major elements of aluminium die casting production, which are indispensable with each other. The so-called die casting process is the comprehensive application of these three elements, so that the qualified die casting can be produced stably and efficiently with the internal quality being good, the size meeting the requirements of the pattern or agreement and the appearance being smooth. All these have very high requirements for the aluminium die casting manufacturers.

YINDI MATRIX DIE-CASTING CO., LTD, as one of the aluminium die casting companies in China, would like to share some insights with you. It will be a great honor for us to be your aluminium die casting adviser, as far as YINDI is concerned, there are several factors accounting for the reason why we can be a good adviser for you and why we are a reliable die casting manufacturer for you to choose among so many aluminium die casting manufacturers.

First of all, YINDI is an aluminum die casting factory company which is founded in 1996. With more than twenty years’ experience as being a die casting manufacturer, we have a wide range to apply the die casting products, such as aerospace, weapons industry, instruments, medical equipment, fitness equipment, power station, motor shell, fire fighting, electrical accessories, power tools, pneumatic tools, reducer shell, cooking utensils (non-stick product series), communication product shell, audio shell, door and window curtain wall accessories, toys, furniture accessories, luggage pendants, process accessories, engineering structure parts, diesel engine accessories, bicycle accessories, ship accessories, urban vehicle accessories, flat ironing machine shell and other hardware accessories. Second of all, with the construction area of more than 10000 square meters, we can specialize in die casting design and manufacturing, zinc and aluminum alloy parts die casting molding and subsequent processing. Meanwhile, we can provide one-stop service according to the customer requirements for polishing, electroplating (powder spraying) and so on. The last but not the least, we take the Japanese famous die casting enterprise and the expert as the technical support, and systematically introduce the Japanese advanced management and the process technology, and continuously train the management and the technical personnel. We have a set of first-class advanced processing equipment which is using the international leading CAD/CAM/CAE design and processing mode. What’s more, we coupled with more than 30 skilled die casting masters who can design and manufacture more than 60 sets of zinc and aluminum alloy die-casting molds of all sizes. So our production technical ability is strong, die casting and post-processing equipment is perfect, at the same time, we have advanced management system, good after-sales service, stable and skilled production team, all these lead to the fact that we can be your ideal supporting supplier with product quality assurance and fast shipment and professional adviser with know-how experience.

Yindi is the provider of a series of services including aluminum alloy die casting, CNC manufacturing, CNC precision machining and surface treatment. We are insisting in offering die casting services at a lower price, higher quality, quick respond and timely delivery.

Who we are

ABOUT YINDI

As a privately-owned zinc and aluminum die casting factory, Yindi Matrix Die-Casting Co., Ltd. was established since 1996. Up to now, our factory site covers more than 16000 square meters of land in Foshan. (In the west of Guangzhou). With 300 highly trained employees.

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about01

Tooling

Complete processes from the making of mould to the finish.

about02

Ownership

Protect the customer's sole ownership.

about03

Strict Standard

Strictly carry out the ISO standard.

about04

Experience

Decades of production experience.

1996 year

BEGINS WITH

16000 m2

FACTOY AREA

300 more

highly trained employees

12480 more

happy clients

Our Production Capacity

Our products are exported to many countries in Asia, Europe and America, and our casting parts cover many industries and fields such as automobile, household appliance, industry and lighting.

In our facility, automation techniques and stimulation analysis are integrated into design processes aiming for effective solutions.

We offer complete turnkey production service like aluminum die casting services.

First of all, let’s get to know some application characteristics of die casting mould. The following points are the common senses among all the aluminium die casting companies: 1. the metal liquid enters the die cavity under high pressure and high speed, which produces fierce friction and impact on the surface of the die cavity, and makes the surface of the die erode and wear.2. molten metal liquid is inevitably brought in by slag in the pouring process, and slag has a complex chemical effect on the surface of forming parts. Aluminum and iron compounds, like sharp splits, accelerate the formation and development of cracks in die casting die. 3. thermal stress is the main cause of cracks on the surface of die forming parts. In the production process of each die casting, in addition to the high speed and high pressure scour of liquid metal, the surface of the forming parts also absorbs the heat released by the metal in the solidification process. In addition, due to the relationship between heat conduction of die casting materials, the temperature of the surface layer of the forming parts rises sharply, and a great temperature difference is produced with the interior, which results in internal stress. When the metal liquid filling cavity is filled, the surface layer of the cavity first reaches high temperature and expands. While the inner mould temperature is low and the relative expansion is small, it will result in compressive stress in the surface layer. After mould opening, the surface of the cavity is in contact with air, which is stimulated by compressed air and coating, resulting in tensile stress. At this point, the alternating stress increases with the continuation of production. When the fatigue limit of the die casting material is exceeded, the plastic deformation and cracks occur in the surface layer of the die. Based on the information above, YINDI MATRIX DIE-CASTING CO., LTD, as one of the aluminium die casting companies in China, with twenty three years’ experience being a die casting manufacturer, highly recommends you that in order to maintain the durability of the profile, the surface is required to have thermal fatigue resistance, wear resistance, non-adhesive die cating, and be easy to take off parts, therefore, 4Cr5MoSiV1 (H13) material is suggested to be widely used to manufacture the forming parts.

Second of all, principles matter to all aluminium die casting manufacturers. So no matter what kind of aluminum die casting factory company you are, you must follow the industrial principles. Principles of temperature selection for aluminum die casting should be mastered as follows: 1. the lower the temperature of the metal poured, the longer the life of the die-casting die. 2. Low temperature die casting can reduce the depth of exhaust tank and reduce the risk of liquid metal splashing. 3. Low temperature die casting can reduce the chance of meshing between chamber and top rod. 4. Low temperature die casting can reduce the occurrence of shrinkage holes and cracks in castings. So do the selection principles of working temperature of die casting mould as below: 1. the die casting temperature is too low, the internal structure of the casting is loose, then the air discharge is difficult to form. 2. The die casting temperature is too high and the internal structure of the casting is compact, but the adhesive die is not easy to unload the castings. At the same time, too high temperature will make the mold itself expand and affect the dimensional accuracy of the castings. 3. Mould temperature should be selected in the appropriate range. Generally after the test is suitable, constant temperature control is good for it.

Our Production Capacity
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+86-757-85131510

  • +86-13702746623
  • Closed to the HeFeng gas station HeGui road LiShui town, NanHai District, FoShan City, GuangDong
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Guangdong Yindi Die-Casting Co.,Ltd.

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