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  • 09 Oct 2018
    In the field of product development and manufacturing, 3D printing and injection molding are almost universally considered to be among the best available methods. While these methods are versatile and well suited for many situations and uses, they vary widely in several ways: method, material, volume, cost, and best application – just a 5-gallon Pet Preform example.confrontationAs an entrepreneur, new product developer or engineer, you probably know that 3D printing and injection molding are definitely two options you should research and pursue to create your product or prototype and understand some of the key differences between the two. Very important. First, they operate in a completely different way. Let us briefly outline what this means.Injection molding and 3D printing: What are they?Injection molding involves injecting a heated liquefied plastic material into a mold that contains a 3D "negative film" that can be thought of as your part: when the liquefied plastic fills the mold cavity, it forms and forms your part. . Once the mold cavity is filled, the substrate is allowed to cool and resolidify and then drained from the mold for inspection and dispensing.Injection molding machines cost hundreds of thousands of dollars to facilitate the entire cycle: material loading, injection, cooling and parts removal. Injection molds are almost always custom made of steel, aluminum or other metals to fit the specifications of a particular part, and they are split into two halves so they can be pushed out separately. In addition to the cavity having the "negative" shape of the part, the mold also contains a hollow area called a "flow path" for conveying the molten material into the cavity.The 3D printing process works much differently than injection molding. The size, shape, and other physical characteristics of the product are loaded into the 3D printer through CAD drawings or other compatible files, rather than forming the part through a preformed mold. The machine then builds parts from the ground and processes the thin lines of plastic substrates that are transported through the machine.If you don't know how to choose the right craftsmanship for your mold, please contact Jilian Plastics. We are a well-experienced china pet preform manufacturers that can find the right method for you.
    305 Posted by preform nicole
  • 29 Aug 2018
    We are amenable for every activity of attention Pet Bottle Mould manufacturing. For a while it bare to accomplish pre-product molds afore bendable molds. Once we affirm the data of the abbreviating and deformation. Precision cast design Mold architecture includes DFM, cast breeze analysis, 2D cast blueprint and 3D cast drawings. It is allotment layout, allotment band making, aboideau design, sprue design, casting method, casting method, cooling layout, etc. Mold making Mold accomplishment is based on cast design, application CNC, EDM, lathe, gun drill, milling apparatus and added processing cast base, animate and parts, and assuredly cast accession and cast balloon production. Turn account into absoluteness through accumulation production. Mold test The cast analysis is the endure analysis to analysis if the plan is good. You will get molded locations that accommodated the analysis specifications. After the cast test, accomplish a accommodation whether it is accustomed or NG. Jilian Plastic Mould is a top superior bang cast architect with affluent attention cast architecture and 5-gallon Pet Preform accomplishment acquaintance in China, aggressive amount and on-time delivery.
    189 Posted by preform nicole
  • 13 Sep 2018
    The growing demand for sustainable development by the environment and consumers is a hot topic of np2o 2018 this year. When it comes to sustainability, there are very few processes that rival those of China's injection molded Pet Bottle Mould – a fact that can lower your costs while giving your customers peace of mind.Let's take a look at how sustainability fits into injection molding and what to watch out for in the manufacturer to ensure you work with sustainable companies.Sunrise sustainable manufacturing wasteWhen it comes to plastic mold injection molding, very few processes can improve the efficiency of materials. Expect a manufacturer to combine selective automation with state-of-the-art injection molding machines to ensure the highest quality products. High quality products not only mean better consistency, but also mean overall waste reduction.Injection molding is a low-wasting process, but where there is waste – in extreme forming, we like to use hot runners and cold runner technology to reduce waste.When you find a manufacturer with a history of precision engineering in areas such as medical parts and baby products, you can rest assured that they will be able to minimize the waste of resins and plastics because they will produce consistently superior products.Made in ChinaRepositioning your manufacturing industry is an easy way to focus on sustainable manufacturing. If your product is much shorter than the consumer – in fact, if your manufacturer can also do secondary processing at home – then the products you produce are more environmentally friendly.Finding local manufacturers in China is a good way to show your customers that you are committed to sustainable plastics manufacturing. The side effect of finding a Chinese plastics manufacturer is that they will also improve the quality of your products and can communicate face to face with you. Having a manufacturer you can understand is how you develop lasting and solid relationships that lead to future collaboration and innovation.In extreme styling, we like to exceed expectations in customer service. We believe that the key to any relationship – and to increase your sustainability – lies in our close working relationship with our partners.In terms of injection molding, we continue to expand our boundaries and explore new possibilities for our partners. For more than 15 years, we have always ensured that our partners' priorities are our priorities, and we believe that when you are looking for a china pet preform manufacturers that can help you meet consumer needs, this will have different. If you have a baby product that you want to produce, contact us today for a free consultation. We are happy to sign Non-Disclosure Agreements (NDAs) to ensure that you retain intellectual property.
    188 Posted by preform nicole
  • 11 Sep 2018
    Blow molding materials are the most important factor in determining the manufacturing method. Aluminum is difficult to cast and only certain aluminum alloys can be cast.In general, aluminum alloys with high silicon content are most suitable for casting, while high-strength aluminum alloys cannot be cast, and mechanical processing methods are used. Copper beryllium alloy molds have good properties. Most steel blow molds are machined and zinc alloys are easy to cast.If the number of cavities is large, the cavity is complex or irregular, the cavity size tolerance is low, the cavity volume is large, or the production lot is small, the casting method can be used to manufacture the mold. Casting molds are less expensive, but have lower durability and thermal conductivity than machined molds.Some special casting methods can be used to make high performance blow molded Pet Bottle Preform molds. For example, the pressure casting method can reduce the porosity of aluminum and copper beryllium alloys to ensure high precision of the cavity. The machining methods for blow molding cavities are mainly milling, grinding, and the like.The cavity is manufactured by cold extrusion, hot extrusion, electrical discharge machining and welding. The cold extrusion method is suitable for small molds, especially multi-cavity molds, to ensure consistency of each cavity.For a large volume such as 3m. The cavity can be manufactured by machining combined with a welding method. When the blow molded article has high dimensional accuracy, it is necessary to use a profiling method to manufacture the cavity. Shrinkage should be considered when designing cavity dimensions.The shrinkage of the processing cavity includes the shrinkage of the blow molded article and the shrinkage after processing of the die. For casting cavities, the shrinkage rate of the die casting process should also be considered. The final stage of cavity fabrication is polishing, sandblasting or etching.Etching, especially when it is necessary to etch a fine pattern pattern, removes oxide scales and marks generated by cutting, sparking, grinding or extrusion to ensure a certain degree of smoothness. Unless the throughput is large, the blow mold cavity usually does not require hardening and is rarely coated with metal (such as chromium).If the cavity should be hardened or chromed, it should be done after etching. Most steel or copper beryllium alloys, such as clamping blocks, rods, guide posts and guide bushings, are machined and hardened.When the same container is formed, the amount of air discharged from the blow mold is much larger than that of the injection mold. The amount of air that will be expelled in the injection blow mold is equal to the amount of melt in the injection blow mold cavity.On the blow mold, the volume of the excluded air is equal to the volume of the blow cavity minus the volume of the blown blank after the full-mode instant, and the latter accounts for a large proportion, but there is still a certain amount between the parison and the blow cavity. Air clips, especially on large volume blow molding products such as buckets and fuel tanks.For example, in order to blow a 120 liter vat, the chamber volume is about 145 liters, and the complete mold forming instant parison has been blown to a volume of about 90 liters, so that the final stage of blowing (about 2 ~ 38) discharges about 55 liters. air. Furthermore, the pressure in the blow mold is very small (typically less than 1 NPa) compared to injection blow molds. Therefore, blow molding molds require higher exhaust performance (especially cavity polishing blow molds).If the air between the blow cavity and the parison is not completely or expelled as quickly as possible, the parison cannot be blown quickly and is blown after good contact with the blow cavity (especially the edges and corners). Rough surfaces, dents and other defects, surface text, and unclear patterns on the product affect the appearance and external shape of the product, especially when the parison is crushed, streaks or melt fractured.Poor exhaust can also extend the cooling time of the product, reducing its mechanical properties and resulting in uneven wall thickness distribution.If you want to avoid the above problems in the production and operation of your own mold, then the most important thing is to improve the exhaust performance of the blow mold. How can this be done? Choose a reliable pet preform manufacturers  For example, Jilian mold can effectively avoid many problems, so that you do not have any worries.
    185 Posted by preform nicole
Passion 1,626 views Oct 10, 2018
Pet Bottle Preform Injection Molding Is More Popular

Injection Molding Plastics Since the introduction of the injection molding process for the first time in the 1930s, the advantages of injection molding over die casting have been controversial. This approach has both benefits and limitations, mainly based on requirements. pet preform manufacturers and other consumers who rely on molded parts to produce products are looking for factors such as quality, durability and economy to determine which molded parts are best suited to their needs.
What is injection molding?
Injection molding is a method of manufacturing a finished part or product by pressing a molten plastic into a mold and hardening it. The use of these components is as extensive as the various products produced by the process. Depending on the application, injection molded parts can range in weight from a few ounces to hundreds or thousands of pounds. In other words, from computer parts, soda bottles and toys to trucks, tractors and car parts.
Injection drawing
Plastic injection molding and die casting
The injection molding process was originally modeled by die casting, a similar process in which molten metal is pressed into a mold to produce parts for making the product. However, die casting mainly uses non-ferrous metals such as zinc, aluminum, magnesium and brass instead of using plastic resins to produce parts. Although almost any part can be cast from any metal, aluminum has developed into one of the most popular metals. It has a low melting point which makes it easy to form parts. The mold is stronger than the mold used in the permanent mold process and can withstand high pressure injections of 30,000 psi or higher. The high pressure process produces a durable, fine grade structure with fatigue strength. Because of this, die casting is used from engine and engine parts to pots and pans.
Die casting benefit
If your company needs rugged, durable, mass-produced metal parts such as junction boxes, pistons, cylinder heads and engine blocks, or propellers, gears, bushings, pumps and valves, die casting is the ideal choice.
Easy to mass produce
Die casting limit
However, it can be said that although die casting has its advantages, there are some limitations in this method that need to be considered.
Limited part sizes (up to approximately 24 inches and 75 pounds.)
High initial processing cost
Metal prices will fluctuate significantly
Waste increases production costs
Injection molding benefits
For many years, the benefits of preform injection molding of Pet Bottle Preform have become more popular because of their advantages over traditional die-casting methods. That is to say, the number and variety of low-cost, inexpensive products made today from plastic are almost limitless. There are also minimum finishing requirements.