3D printing (3D printing) is a technology for rapid prototyping that has been in high gear since 1986, when American scientist Chuck Hull developed the first commercial 3D printing press. It is actually the latest additive manufacturing device using technologies such as light curing and paper lamination. It uses digital model files as a basis …
Since its birth more than 20 years ago, 3D printing technology has been widely used in specialized fields such as aerospace, automobile, mold, biomedicine, electronics and construction, as well as in popular fields such as personal consumption, office and education. The advanced 3D laser printer can not only sinter or fuse plastic, wax and sand, …
3D printing technology has set off a disruptive revolution in the manufacturing industry Read More »
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High vacuum die-casting technology has developed rapidly, and has been widely used in aerospace, weapons, ships, instruments, valve bodies, household appliances, automobiles and other industries. The core of high vacuum die casting technology is the innovative design of vacuum exhaust valve. By accepting the die casting machine’s opening, closing and injection signals, the operation procedures of vacuuming, measuring vacuum degree and blowing compressed air to clean vacuum valve are completed to ensure that the alloy liquid is pressed and formed under vacuum. The products formed by this vacuum die-casting technology have strong toughness and strength, which can enhance the core…
What is 3d printing rapid prototyping technology What is 3d printing technology? To be precise, 3D rapid prototyping is one of many rapid prototyping technologies. Rapid prototyping technologies can be broadly classified into seven categories, including three-dimensional printing, stacked solid manufacturing, selective laser sintering, fused deposition forming, three-dimensional welding, three-dimensional printing, and digital cumulative forming. Advantages of 3d printing technology 3d printing is very different from traditional production through moulds. The biggest advantage of 3d printing is that it can generate parts of any shape directly from computer graphics data without mechanical processing or any moulds, thus greatly reducing the…
how many kinds of 3D printing materials are commonly used by 3D printing companies?
Many people may not know much about 3D printers, but they probably know that they can print all kinds of items. In fact, the technology of 3D printing and the printing materials used are very knowledgeable. According to different printing technologies, it can be divided into 3DP, DLP, LOM, SLS, SLA, FDM and other technologies. The printing materials of each printing technology are different. For example, the common printing materials of SLS are metal powder, while sla usually uses photosensitive resin, and FDM adopts a wide range of materials, such as ABS plastic, PLA plastic and so on. According to…
3d printing as a mature additive manufacturing technology has been widely used in a variety of industries. But now the concept of 3d printing is even more colorful due to the development and popularity of various industry hotspots such as artificial intelligence, vr/ar, mobile medical, and sek. 3d printing involves the study of many technologies in a wide range of applications. 3d printing technology has a history of decades, and has been constantly changing and innovating2015 is a turning point for 3d printing, foreign 3d printing manufacturers have entered the Chinese market, with the rapid development of the Chinese market,…
The emergence of 3D printing technology can allow people to reduce a considerable number of parts in the manufacturing process, while also promoting the integrated manufacturing of parts. 3D printing technology In a rocket engine, 80 parts can be reduced to 3. Still, the public doesn’t seem to know why reducing the number of parts is so beneficial to the final product and manufacturing. In general, if the total number of parts in an assembly is reduced, we can see countless advantages. For example, the final part can efficiently produce higher performance parts by saving fasteners, glue and material. Fewer…
Technological introduction The comprehensive mechanical properties of blank are improved remarkably. In addition, the surface finish of the blank produced by this process reaches grade 7 (Ra1.6), just like the surface produced by cold extrusion process or machine, with metallic luster. Therefore, we will die casting die forging process called “limit forming process”, than “no cutting, less spare forming process” further. Die-casting die forging process also has an advantage that in addition to the production of traditional casting materials, it can also be used to produce deformed alloys, forging alloys, the production of very complex structure of parts. These alloy…
Bugatti is the only company in the automotive industry to use 3D printing to produce a titanium exhaust trim cover for its newly developed Chiron Pur Sport and Chiron Super Sport 300+. The cover is the first visible part to be 3D printed in metal and the part is officially approved for road use. The Chiron Pur Sport exhaust trim has a double layer of insulation on the outer wall The trim cover at the rear of the Chiron Pur Sport (including grille and brackets) weighs just 1.85kg, 1.2kg heavier than the Chiron’s cover . Four 400W lasers simultaneously print…
Matters needing attention Harm Five hazards of high temperature rise of injection molding machine: thermal deformation of machinery, reduction of oil viscosity, deformation of rubber seals, acceleration of oil oxidation and deterioration, but also reduce the component pressure of air. One of the hazards: make the mechanical thermal deformation The moving parts with different thermal expansion coefficient in the hydraulic components are stuck because of the smaller fit gap, which causes the action failure, affects the transmission accuracy of the hydraulic system, and leads to the deterioration of the working quality of the parts. Hazard two: reduce the viscosity of…
Brief introduction of preheating method of die casting mould
The industrialization process of our industry is speeding up, and the competition of die casting industry is becoming more and more fierce, but there are still many die casting enterprises directly using aluminum injection method, which has low efficiency and high cost. Therefore, this paper focuses on the discussion and analysis of die casting die preheating methods, hoping to provide help for peers. 1.Mold heat transfer mode There are several main modes of mold heat transfer: （1） thermal radiation Thermal radiation is one of the three ways heat is transferred. Anything with a temperature above absolute zero produces thermal radiation,…
Currently, 3D printing is one of the relatively new applications in the manufacturing industry, but the technology’s cost and environmental advantages are generating huge interest from more companies. Recently the University of Maine (UMaine) was awarded $280 million in funding approved by the US Department of Energy (DOE) to develop a more environmentally friendly method of producing 3D printed turbine blades. It is well known that the tooling and tooling required to design and manufacture turbine blades can cost up to $10 million, and the time-consuming process typically takes 16 to 20 months to complete. As a result, by the…
1.The influence of mold temperature on appearance: Firstly, the mold temperature is too low, which will reduce the melt fluidity and may cause underinjection. Mold temperature affects plastic crystallinity, for ABS, mold temperature is too low, the product finish is low. Compared with fillers, plastics migrate more easily to the surface when the temperature is high. So when the temperature of the injection mold is high, the plastic composition is closer to the surface of the injection mold, the filling will be better, and the brightness and luster will be higher. But the injection mold temperature can not be too…
Researchers at Rensselaer Polytechnic Institute have developed a method for 3D printing living skin, complete with blood vessels. This biomedical advancement helps create skin grafts that adapt to our existing skin tissue. It promises to be a remarkable advance in medicine. “Right now, anything that can be used as a clinical product is more like a fancy Band-Aid,” says Pankaj Karande, associate professor of chemical and biological engineering and a member of the Centre for Biotechnology and Interdisciplinary Studies (CBIS).” It provided some accelerated wound healing, but eventually it just fell off; it never really integrated with the host cells….
Gain knowledge! Heat balance and temperature control method of decompressed casting mold
The quality and productivity of die casting depends on whether the heat balance control of die casting die is correct or not. Only by controlling and adjusting the heat balance of die casting die effectively can the process parameters of die casting be stable. In die casting production, when the heat lost by the mold is greater than the heat transmitted to the mold from the alloy liquid, for example, when the large mold is used to die casting thin-walled parts or the mold with more slider structure, in order to achieve the heat balance of the mold, additional heat…
Summary of surface strengthening technology of die casting die
The surface strengthening and modification technology of die casting die can design the die surface and matrix as a whole system, and make comprehensive use of surface strengthening modification technology and coating technology, so that the surface material itself is difficult to have but hopefully has a specific performance. The treatment technology that uses modern technology to change the composition, structure and performance of the material surface and sub-surface layer of the forging die is called surface modification technology, which mainly includes the following ten categories: Electrochemical conversion The technology of forming oxide film on the surface of parts under…
How much do you know about the basic knowledge of the mold to learn it?
The structural composition of the die The mold is composed of mold frame and mold core and related accessories. The mold frame and accessories are made by professional manufacturers according to the commonly used series specifications for choice. The mold factory generally only does mold core processing and assembly. All kinds of different molds are mainly in the mold core, for different shapes of products, mold designers design the mold core into various forms, such as: Point feed, direct feed, dive feed, slider, core pulling, straight ejection, push plate ejection, secondary ejection, hot runner, gas assistance, etc., the purpose is…
Why do we need to choose anodized aluminium for product manufacturing?
Ordinary flatness aluminium plate are prone to have unevenness. The anodized aluminium sheet has a great improvement in the surface production process, the quality of production process is higher, so no matter in the surface smoothness or flatness is superior than ordinary aluminium plate. We are all aware that the appearance of ordinary aluminium plate is mostly grey with a single colour. While anodized aluminium plate are available for a wide range of colours, not just a single grey colour. The well-know Apple earthy gold, deep sky grey and rose gold are formed by the anodizing process. Anti-corrosion, anti-wear is…
How much do you know about the failure forms of metal die casting?
Damage to the Die casting production, die again and again by the chilling effect of thermal forming surface and its internal deformation, with each other and appear repeatedly cyclic thermal stress, lead to structure damage and loss of resilience, cause the emergence of micro cracks, and continue to expand, once the crack expand, fluid diapir and molten metal, and repeated mechanical stress to accelerate the extension of crack. Therefore, on the one hand, the die must be fully preheated at the beginning of die casting. In addition, in the process of die casting production, the mold must be kept in…
Results and discussion of die casting zinc alloy, comparison and summary of different process costs
Results and Discussion 1. The influence of temperature Temperature is an important guarantee for smelting process, which plays an important role in melting, burning loss and furnace age of metals. Due to the uniqueness of the new process, the alloy can be prepared below 600 ℃. Under the experimental conditions, the temperature has no significant effect on melting, but the comprehensive analysis shows that 570 ℃ melting alloy is more suitable for production. 2.Influence of covering agent Theoretically, the addition of mulcher can reduce the oxidation, evaporation and inspiration of elements in the alloy. Therefore, charcoal was used as a…
The world’s first fully 3d printed motorbike was unveiled at the RAPID show in California . However certain parts cannot yet be done with 3d printing, such as the braking system, screws, engine and electronic parts, while the rest are printed in ABS plastic. The full bike is 8 feet long and has a maximum weight capacity of 400 pounds, or the weight of two adults, although it has a top speed of only 24 km/h and uses a purely electric engine. The development team explained that at first it was intended to print a replica of the motorbike, but…
Development prospect, quality, output and common problems of die casting
Prospects for development China’s economy is maintaining the momentum of high-speed development. Due to the increasing contradiction between resources and environment, according to the requirements of the scientific outlook on development, circular economy and clean production have become an important national policy for the sustainable development of social economy. Experts point out that the die casting category, which includes low-pressure casting and extrusion casting and other non-ferrous metal casting molding processes under various pressures, has a total output of about 1.5 million tons. It is understood that the total production of automobiles reached 7.28 million, a year-on-year growth of 27.6%,…
The working principle of injection molding machine; In the work of injection molding machine, when the screw rotates, the plastic will produce friction and mutual motion for the inner wall of the barrel, the bottom surface of the screw groove, the pushing surface of the screw edge and between the plastic and the plastic. The plastic is pushed forward as a result of this combination of motion, and the heat generated by friction is absorbed to raise the plastic’s temperature and melt it. The design structure of the screw will directly affect the degree of these effects. At the same…
3d printing process model – full transparent surface treatment
Often see some beautiful 3D printed model dolls, animals, such as the following picture of this deer. It is printed from photosensitive resin material. So what is photosensitive resin material? Photosensitive resin material is a common 3D printing model material, photosensitive resin material is generally liquid, composed of photoinitiator and monomer or pre-polymer, mainly composed of copolymers, additives and diluents, additives for photoinitiator. The addition of photoinitiator, through a certain wavelength of ultraviolet radiation, can cause the polymerization reaction of the copolymer, so that the liquid photosensitive resin material curing, the process is called liquid light-curing resin process, commonly used…
Structure function and working principle of injection molding machine
Injection molding machine is also known as injection molding machine or injection machine, many factories called beer (pijī), injection products called beer parts. It is the thermoplastic plastic or thermosetting materials using plastic molding mold into plastic products of various shapes of the main molding equipment. According to the arrangement of injection device and mold locking device, injection molding machine can be divided into vertical, horizontal and vertical and horizontal compound Structure function composition zy-623 injection molding machine is usually composed of injection system, die closing system, hydraulic transmission system, electrical control system, lubrication system, heating and cooling system, safety…
What conditions should a powerful rapid prototyping factory have?
Now many customers will find manufacturers of customized tablets on the Internet. In fact, this is also a good way. Because of the development of the Internet, many manufacturers will do some publicity on the Internet. However, in order to identify the strength of the manufacturer, it is still necessary to have a pair of hot eyes and be able to judge which manufacturer is the real one. Not just superficial propaganda. Today we will give you some suggestions to help you in choosing a prototype factory. The first strong manufacturer must have advanced production equipment. Only good equipment can…
Design specifications for die castings and die cast metal materials
The design specification The design of die casting must take into account seven aspects: wall thickness of die casting, casting fillet and demould slope of die casting, reinforcement, the minimum distance of casting holes and holes to the edge of die casting, rectangular holes and slots on die casting, embeddings in die casting, and processing allowance of die casting. Code for design of fillet for casting Usually the intersection of each part of the die casting should be rounded (except the parting surface), which can make the flow of metal filling smooth, gas is easier to discharge, and can avoid…
application Die casting can be made for die casting auto parts, die-casting car engine fittings, die casting, air conditioning accessories, die-casting cylinder of engine cylinder head casting, die casting valve rocker arm, die-casting valve bearings, electrical accessories, die-casting motor end cover, die casting, die casting, die casting, pump shell shell building parts, die-casting parts, die-casting fence parts, die-casting parts and so on, With the constant improvement of the level of domestic manufacturing equipment industry development, die-casting machine equipment level increased significantly, also can produce the types of parts are also constantly expanding, the precision of the die casting parts of,…
3D printing technology has entered the medical field strongly
Referring to the application of 3D printing technology in the medical field, the first thing people think of is to help people with disabilities print prosthetics. Yes, the pioneering development of 3D printing technology in the medical field starts with printing prosthetics. Today, 3D printing technology can not only provide solutions to simulate the surgical process for the modern medical field, but also rely on the rapid development of printing materials. In addition to printing bones and prosthetics with high similarity to the human body, 3D printing technology can also print all kinds of soft tissues, muscles and other products…
An overview of 10 commonly used metal 3D printing technology routes
Metal 3D Printing Introduction: A few years ago, 3D printing with metal was only used for industry. Now that has all changed and 3D printing with metal is possible on desktop FDM 3D printers and more specialised machines that not only produce high quality parts, but are also more affordable. In this article let’s take a look at all the technologies available for 3D printing metal parts and which one you should choose to use to print your metal parts. Examples of metal 3D printed parts Currently, there are around 10 methods on the market to 3D print metal parts….
How to find efficient rapid prototyping manufacturers in China？
The current pace of life is very fast. Only high efficiency can create high efficiency. Therefore, efficiency is linked to efficiency. The same is true for the prototype industry. Many customers want to find a prototype manufacturer with high production efficiency. Because some hand molds are used for trial and error or exhibition sales, there is a high requirement for time. If they are used for trial and error. Generally, it is new product research and development, and requires a prototype to try and make mistakes. If the efficiency is relatively low, it may delay the product’s time to market,…
Six common injection moulding techniques for plastic products for home appliances
Plastic products for home appliances are mainly moulded by injection moulding, extrusion, thermoforming, hollow moulding, lamination moulding, compression moulding, transfer moulding, foam moulding, pouring moulding, insert casting, block casting, etc., of which injection moulding is the main one. In recent years, some new plastic processing technology and new equipment have been applied in the molding of home appliance plastic products, such as precision injection molding, rapid molding technology, core injection technology, gas-assisted/water-assisted injection molding technology, electromagnetic dynamic injection molding technology and laminated injection molding technology, etc. Precision injection moulding High precision and repeatability in terms of size and weight of…
