In a co-extrusion process, two or more materials are extruded through a single die in order to combine or weld into a single structure before cooling. Co-extrusion has the benefit of preserving each material's intended distinctive features in composite products, which would be hard to do with any single material. The typical co-extrusion procedure involves feeding solid plastic pellets into a forming mechanism, where jacketed compression heats the materials and feeds them into a die. The co-extrusion process is executed by passing the pellets through a single extrusion head, also referred to as the die, after they have been combined and melted. The mixed materials are fed through the die, creating a multi-layered cylindrical rod that is cooled with water and cut to the desired length. Co-extrusion is the process of creating layered or enclosed items using several extruders. Each extruder delivers the precise amount of molten plastic required for the process, and five or more materials may occasionally be employed in a single cycle. Depending on the point at which the several melt streams are combined, the procedure might vary. It is feasible to handle polymers with significantly different viscosities and melt temperatures, and each layer's thickness and flow rate may be separately regulated. The Benefits Of Co-Extrusion There are a lot of benefits to adopting the co-extrusion method, according to several well-known and internationally renowned businesses that do so regularly in their manufacturing processes. The following is a list of some of these benefits: •Extrusion coatings of superior quality are available in a wider range of line speeds and widths •Utilizing less expensive materials for filling reduces the need for expensive resins. •Capacity to create multi-functional structures with several layers in only one step. •Fewer stages in the standard extrusion process are required •Provides focused performance by using certain polymers in specific layers. •Lower setup and cut scrap levels •Possibility of using a recycling layer Adverse Impacts Of Co-Extrusion Numerous well-known businesses claim that there are certain drawbacks to the co-extrusion method. These are a few of these drawbacks: •A combination's favorable physical qualities result from small variations, yet these same differences also cause the combination to be incompatible. •To maintain a laminar flow throughout this procedure, polymers must have comparable melt viscosities. Depending on the material's placement within the composite structure and the layer's thinness, all viscosity variances may be more or less tolerated. •Calls for a more advanced extruder and its operator. This means higher equipment maintenance costs. •Need careful consideration and preparation while designing the system The Coextrusion Procedure In a typical extrusion process, solid plastic pellets are gravity fed into a forming mechanism where they are melted and fed into a die by jacketed compression screws. Coextrusion, in contrast, uses many extruders to create layered or enclosed pieces. Each extruder delivers the precise amount of molten plastic required for the process, and five or more materials may occasionally be employed in a single cycle. In contrast to regular plastic mixing, each separate plastic is blended into a compound-material part while maintaining its original qualities. The properties of the separate ingredients may change if blended before extrusion, but the finished product is still homogenous. Because certain polymers won't stick to others, not all plastics are appropriate for coextrusion, but this issue is frequently resolved by adding a conductive intermediary layer. Plastics with vastly varying melting points are also inappropriate for the procedure because the lower melting point material will degrade. Finally, because of the potentially violent reactions that might happen when they are combined, PVC and acetals should never be coextruded together. Co-Extrusion Using Blow Molding Plastic is extruded into blow-molded tubes that are trimmed to size and partially molded in molds. The material is then forced into a cavity by pressurized air, which gives it its final shape. The food and cosmetics sectors frequently employ blow-molded goods, such as bottles. A barrier layer is coextruded into the plastic to stop the container from leaking gases, smells, and moisture in order to lengthen the shelf life of a product. Because coextruded plastics have non-porous qualities that are comparable to those of glass and aluminum, breweries also use them for beer products. Coextrusion is used by the energy sector to assist fulfill certain emission criteria. To create vapor-proof gasoline tanks that adhere to environmental standards, ethylene vinyl alcohol (EVOH) is coextruded with a number of polyethylene. Unexpectedly, EVOH is also a general-purpose barrier substance utilized in baby food, ketchup, and mayonnaise bottles. It is typically sandwiched between two layers of substrate despite being designated as food-grade.  Additionally, coextruded EVOH is used to produce transparent containers for vitamins and medicines. Coextrusion keeps broadening its functional scope even though compound plastic products have already found several uses in the energy, food, and medical sectors. Future coextrusion applications will be shaped by the development of workable mixes since the combination of polymers employed in the process determines how successful the products are by extrusion blow molding machinery and equipement producers .

Hollow plastic components can be formed and joined together using the manufacturing technique known as blow molding. Extrusion blow molding, one-stage injection blow molding, and injection stretch blow molding are the three primary forms of blow molding (two stages). The extrusion blow molding (EBM) technique involves melting plastic and extruding it into a hollow tube (a plastic parison).  Then, this plastic sandwich is sealed within a cooled metal mold to be preserved. The parison is then inflated with air to take the shape of the hollow bottle, container, or component. The mold is opened and the part is extracted once the plastic has cooled sufficiently. It is made to produce hollow plastic objects in large quantities. Milk or water bottles, shampoo bottles, automobile air ducts, jerry cans, and hollow industrial preform components such as plastic drums or other plastic containers are the most common PE hollow items produced using extrusion blow molding machines. Where Do Blow Molding Products Come From?  For individual components, containers, or transportation, practically every industry now employs blow molding, which has become increasingly popular in production. Every industry is simple to explain, but what specific blow molding items are available? Have you used or seen them before? Let's examine a few of the sectors and notice the items and components that they utilize on a daily basis. Automotive Industry Blow molding is used in several fluid-storing components. Blow molding is frequently used to create gasoline tanks, windshield washer fluid bottles, and even overflow containers for cooling systems. Appliance Components Components of your major household appliances include reservoirs, which hold liquids and aid in washing your clothes and dishes. These are frequently produced using blow molding. Medical Equipment And Components You can begin counting the number of hollow containers used if you have just visited a health center, your dentist, or your primary care physician. The cupboards are stacked with spray bottles, water bottles, and storage containers. Blow molding is used to swiftly create all of those. Toys For Kids You could easily count how many hollow, lightweight toys your young child has as if you had one. Blow molding is frequently used to create blocks and squeeze toys. Garden And Lawn Supplies Given that it employs bottles for liquid items and blow molding for mowers and power equipment fuel tanks, oil storage, and distribution, lawn, and garden equipment is essentially analogous to the automobile and bulk container industries. Naval Water-related objects must be buoyant, and blow molding generates hollow products easily. Blow molding is frequently used to create reservoirs, buoys, and other objects. Packaging Products are kept secure by polystyrene-based customized packaging, while blow molding makes complex designs simple to construct. Sports Equipment  Plastic bats, balls, and other hollow sporting items are examples of common blow-molded products. Bulk Industrial Containers When transporting and storing liquids like water, oil, or other substances, consider using bigger containers like barrels. They are produced via blow molding. Should Blow Molding Be Used In Your Next Product? Extrusion blow molding, injection blow molding, and injection stretch blow molding are the three forms of blow molding. Bottles, industrial containers, automobile items, appliance components, and children's toys are all often produced using extrusion blow molding (EBM). Lower bottles with high production volumes (often smaller than 16 oz / 500 ml in capacity) are typically made using injection blow molding (IBM). The packaging for cosmetic or other consumer products, medical equipment, and pharmaceutical sector bottles are the greatest examples. PET and PP are two materials that are frequently used in injection stretch blow molding (ISBM), since their physical qualities are improved by the stretching process, resulting in greater strength and barrier properties with lower weights and better wall thickness uniformity. Depending on how it will be used, its function, design, and environment, one of these alternatives could be the ideal fit for your new product. Which Polymers Are Best For Products? Although there are three major forms of blow molding, a wide variety of resins may also be employed in this process. The primary resins used in blow molding are Low-Density Polyethylene (LDPE), High-Density Polyethylene (HDPE), Polypropylene (PP), Polycarbonate (PC), Polystyrene (PS), Co-polyester, Polyethylene Terephthalate (PET), Polyvinyl Chloride (PVC), Nylon, and Acrylonitrile Butadiene Styrene (ABS). When used in injection stretch blow molding, resins like PET and PP are ideally suited for one of the three primary kinds. In comparison to alternative injection molding techniques that you could be looking into for your new product, blow molding has benefits. One of the three forms of blow molding is used by many businesses to produce regular items, while other industries utilize the method to produce one-of-a-kind low-volume goods. It needs an experienced degree of design and production to decide which of the three forms of blow molding would be your best option and which resin would best fit your new product.

Here is a co-extrusion introduction. Co-extrusion is the procedure by which an extrudate is created. It's critical to comprehend what extrudate signifies in order to comprehend co-extrusion. Extrusion is the process of combining one or more thermoplastics in the melted form to create a certain shape or figure. Extrusion is a crucial step in the process of combining various polymers for use in certain applications. The created mixture is then immediately placed into a special die to create the necessary forms. Co-extrusion was initially used in cast filmmaking, but it is now a crucial component of blown films and sheet extrusions. Co-Extruded Product Structures This technique is carried out in order to create a laminated kind of construction with layers. Each layer contributes significantly to the product's efficiency. They can have more than two layers, and in certain circumstances, many layers since they are co-extruded. The extruded structure is more useful and sophisticated since each layer serves a distinct purpose. The structure becomes somewhat complicated when there are additional layers in the composition. Although their primary purpose is to give the end product abilities, they may also aid in connecting several layers that are close to the basic structure, which aids in establishing overall compatibility. Co-Extrusion Variations The co-extruded structure frequently has more than five players. Parallel co-extrusion is also possible in specific circumstances. Every unique polymer used in the extrusion process requires the use of a different extruder. They are different melting streams of polymers that join together to formulate together with the aid of two variations. The feeding block unifies into a single lamination when melted polymers flow through it—the area immediately above the die for instant filling. His contribution to the co-extrusion is compassionate. It necessitates complete reliance on the polymers' thickness during melting. They aid in avoiding the mixing of various layers that must pass through the die for extrusion since different plastics have different melting points. The feeding block allows for control over how quickly each layer passes through the die. This method is practical and reasonably priced.  As an alternative, elaborate dies with intricate build-ups that divide the melting polymers into distinct compartments are used to achieve co-extrusion. These layers are set up in a way that aids in fusing the polymers together in the finished item. Even if each layer's flow and viscosity may be controlled, co-extrusion can be aided by complex die build-ups that create compartments inside the die. Either of these approaches is entirely legal. The price difference is the sole distinction. Controlling the viscosity and flow of melted polymers might be a practical option when choosing an affordable approach. On the other hand, due to their bespoke dies, creating the die that helps the categorization of melted polymers may grow expensive. Polymers In Flexible Packaging Extrusion is a rather common procedure. It offers a plastic film made of more than two different polymer layers. There isn't a break in between for a changeover. The plastic must first be heated separately and then fused together when laminating two or more polymers. The plastic sheets that are laminated together must be a specific thickness for handling and manufacturing. The layers of each polymer are quite thin during co-extrusion. A single unit manages the entire structural formation. It is not necessary for every layer to be self-supporting. Additionally, it enables the most significant cost savings possible since flexible layers eliminate the need for additional effort to provide durability, which is very important in this process. Each separate plastic is melted by a different extruder to prevent early mixing. In some circumstances, an extruder that produces a result can also be utilized as a layer to aid in making the required output. The next extruder is sometimes used to add extra layers, although other times, the material is placed directly into the die. The presence of each layer separately but together is necessary for this extremely sensitive technique. This makes it easier for the finished item to possess the qualities of each polymer employed in its manufacture. Co-extrusion aids in the production of cast and blown films alike. Films can be oriented, laminated, and processed using co-extrusion in order to generate a single layer of various polymer materials. Co-Extrusion Tubing: What Is It? Co-extrusion is a very fundamental process that happens in several spheres of life. Co-extrusion is beneficial in several medical procedures. Despite not having a direct function, they contribute to the production of co-extruded instruments and devices that aid in the execution of medical operations. A co-extruded object is created when two or more materials are worn together to form a single component. It is necessary to use a separate extruder with melted plastic for each substance. Co-extrusion is an important process used to make numerous medical devices. There are layers to these gadgets. Co-extrusion tubing frequently consists of a rigid inner layer and a flexible outer layer. A medical team may carry out complicated surgeries by employing tubes that support various medical processes in various patients. This contributes to making such processes easier. Co-extrusion in multi-layering falls into three categories that are highly diverse from one another. They are wire coating, co-extrusion of wires, and multi-layer extrusion. Extrusion Of Many Layers Multi-layering, to put it simply, is the addition and mixing of two or more layers in order to simultaneously benefit from each layer's unique features. Every layer has a unique role that contributes to the success of the finished product. The multi-layer tubes offer highly stylish and effective answers to a variety of medical issues. Numerous applications, including medication inducement and tubing layer bonding with the environment, are addressed by their design. Wire Co-Extrusion Multi-lumen tubing is absolutely necessary for the medical sector. While employing lumens may grow expensive, co-extrusion tubing offers a cheap way to create gaps inside the tube for carrying out important medical procedures. Through co-extrusions, they are very useful in making use of wires and cables. What sort of co-extruded wire is required for a certain medical operation entirely relies on that technique. Coating For Wire There are a lot of intricate procedures performed in the medical industry. An operator must frequently put wires into the body for things like cameras and stents. A co-extruded coating of polymers is required on the wire's outer layers since a wire cannot be inserted straight into a human body. During procedures, they assist in invasive surgery. Summary In several industries, the co-extrusion method is quite beneficial. Even if it could not directly involve the main process results, they are crucial in developing the first ascent stages that lead to the outcome. It contributes to the creation of a product that enhances the functions of other goods. They are, therefore, quite useful.  Extrusion blow molding equipments dealers ensures to deliver the good quality machine and other related parts to the customers at affordable prices worldwide.

Blow molding is a plastic production process that the plastic production industry employs to manufacture hollow things composed of plastic. It is similar to other molding procedures as plastic product manufacturers carry blow molding by using heated fluid substances forced inside a mold cavity after being exposed to pressure. Blow molding machines can also blow mold polypropylene and manufacture polypropylene bottles. Thus people can call them polypropylene bottle production machines or PP bottle production machines. There are many kinds of blow molding. One of those kinds is the extrusion blow molding which plastic product makers perform by squeezing out heated plastic into a parison. Injection molding is another kind of blow molding. Plastic bottle makers use one or two phases to manufacture plastic bottles. It is specifically efficient to create plastic bottles’ preforms, which bottle makers can use to make plastic bottles. The third kind of blow molding is injection stretch blow molding. Injection stretch blow molding is a procedure plastic product makers use to produce largely hollow things with rotational symmetry utilizing polymers. 1. Continuous Blow Molding Extrusion Machine (Generally Bottle Machines) The meaning of continuous extrusion is that the extruder consistently manufactures a parison, i.e., tube out of its head. The halves of the mold then grasp the parison and move it to a blow molding station where the air molds the component to the mold’s configuration. Plastic product makers often employ continuous extrusion blow molding machines to manufacture smaller-sized plastic commodities in small quantities. 2. Accumulator Head Blow Molding Machine Plastic product makers use the accumulator head blow molding machine to produce industrial parts in which the accumulation of the melted material is done inside the head and then moved out from the head with the help of cylinders. 3. Reciprocating Screw Blow Molding Machine This machine comprises semi-injection equipment and a semi-accumulator head machine. They initially melt the plastic, collect the shot in the screw’s front, push it out over the mandrel developing the parison, and then form the component in the same way as type 1 and type 2. The reciprocating screw extruder’s use features reciprocating screw blow molding machinery. Injection Blow Machine Or IBM's These machines combine a blow molding machine and an injection molding machine. The first squirt liquefied plastic substance into a closed mold (steel), developing a preform. Then this equipment opens its lock and guides the preform on a spindle to an injection blowing station where the application of the air is done to the bottle into the desired shape. The machinery then guides a second time to an ejection station. Two-Step Re-Heat And Blow Machine Or RHB In this procedure, an injection molded preform is decoded, put into a serpentine belt system, and re-heated. (The quartz heaters program the re-heating to permit the precise form to more easily blow whenever it reaches the mold cavities.) After getting the mold cavities, a rod pushes the parison, enlarging it; the blow air supply is done through the container’s mouth, extending the preform in several directions simultaneously. This develops a bi-axially oriented commodity that can provide a carbon dioxide barrier, creating a typical pop bottle. One-Step Blow Molding Machine This process is like the above injection blow molding procedure ( #4) in that a preform is molded in the first stage mold halves, inscribed to a second stage, and blown and stretched simultaneously as in step No 5. List Of Materials Which Can Be Blow Molded The particular substances that are blow molded in general are (polyethylene terephthalate),HDPE (high density polyethylene),HWPE (high molecular weight polyethylene),Nylon ,ABS (acrylonitrile butadiene styrene),PVC (polyvinyl chloride),Polycarbonate. These particular substances. Manufacturers choose these materials for blow molding because of their physical qualities, environmental utilization, and cost. Characteristics Of Blow Molding Machines The sizing of a specific blow molding machine relies on the weight of its part and the flash of the part (if flashed), and the resin’s specific molecular weight. A plastic product maker must first know that if the blow molding machine almost weighs nearly one and a half kilograms cycles in about forty-eight seconds, then that manufacturer can mold high-density polyethylene material and, usually, molded on a double cavity or a single cavity. The important point in the above example is that the commodity with a finished weight of one thousand and five hundred grams has a flashed weight of around two thousand to two thousand one hundred grams.  Therefore a five-pound blow molding machine (accumulator's head) is essential to mold a product. It could also be molded in a reciprocating machine and in continuous extrusion equipment. In the case of continuous extrusion equipment, it becomes a little more challenging to determine the necessary size.  In every case, the platens should be huge enough to accommodate a mold. With continuous extrusion, manufacturers must comprehend that the output is incessant. Thus, people must know the product’s cycle time to decide the pounds per hour that the extruder must manufacture. All of the above is a very superficial elaboration of the magnitude of the blow molding apparatuses versus the product’s nature. An extra factor that plays its role is the head’s ability to house the tools which make the parison the right diameter.  Conclusion  As people might well comprehend, a few paragraphs are insufficient to discuss the blow molding technology. The above details are provided to help plastic product makers decide the size of the machinery they need to carry out the blow molding job. 

We have often heard of the disadvantages of using plastic which make us quickly forget the benefits which it has brought to the world. This blog discusses why plastic has made plastic popular and why plastic has many applications.  One of those reasons is that plastic safeguards human lives. Have you ever thought about why medical gear makers use plastic to make most medical gear? This is because plastic provides a more sterile atmosphere by providing disposable products and eliminates the requirement to reuse and sterilize tools. Plastic also provides greater comfort than its alternate metallic options and is hypo-allergenic, not likely to cause allergies. Applications Of Plastic In The Medical Sector  Plastics have played a crucial role in revolutionizing the medical industry. With the improvements in the healthcare sector, plastic has become one of the few valuable substances that have adapted to the industry’s dynamic nature. Medical equipment makers have used plastic to manufacture new heart valves, blood bags, one use plastic syringes, and other medical instruments.  Prosthetics is another healthcare industry aspect that has witnessed significant progress over the years because of the effect of plastics. With the help of plastic prosthetics, doctors can provide healthcare solutions with improved functionality and features. One of the ways by which plastic has made healthcare cost-effective, safer, and more manageable is sterility. Medical gear makers have used plastics to manufacture medical devices and instruments like inflatable splits, catheters, insulin pens, syringes, and surgical gloves. Such commodities are employed for one-time utilization. They help stop the spread of harmful illnesses by eradicating the requirement to sterilize and re-employ a product. Plastic is also being utilized to produce unique antibacterial touch surfaces that could repel microbes and other germs, thus cutting down the spread of harmful illnesses. Antimicrobial plastic has very high efficiency in killing microbes and can kill germs even when surfaces are not cleaned regularly. Benefits Of Using Plastic  1. Plastic Cuts Down Emissions Of Gas And Saves Fuel The plastic’s lightweight nature helps cars become more fuel-efficient, suggesting that we scorch less of our valuable limited resources. It also provides lightweight packing options to transport goods, resulting in less fuel utilization. People can convert plastic wastes into fuel, cutting down the number of fossil fuels that should be extracted from the ground. In this manner, plastic helps to keep the prices of fuel low. For converting plastic wastes into fuel, people need to follow the pyrolysis procedure in which anaerobic heating is done at three hundred and fifty to six hundred degrees Celsius. By providing thermal power to meet the activation power needed to crack polymer, the conversion of plastic waste is done into combustible liquid oil and gas. 2. Plastic Is Long Lasting And Sustainable As plastic is a highly long-lasting and durable material, it is often utilized in making buildings, infrastructure, bridges, houses, and more. Plastic is lightweight yet robust. It resists corrosion and rot. Plastic has strong weatherability because of its capability to attain tight seals. This also helps create more effective housing and reduces wasted power for cooling or heating. Being a durable substance reduces the need to throw parts because of tear and wear, reducing garbage dumped in our landfills and lessening the requirement for manufacturing replacement parts. 3. Plastic Enhances Safety In the automotive industry, plastic has contributed to a range of innovations in security- from dashboards, airbags, and seat belts to bumpers. These innovations have helped save many lives every year. Plastic has also played a significant role in improving sports safety. Think about every piece of equipment which sportspeople wear to safeguard themselves: cleats, pads, mouth guards, visors, faceguards, uniforms, and helmets. What does all this equipment have in common? It is composed of plastic. The evolution of modern sports has taken place with the evolution of sports- sportsmen made greater efforts, making them more prone to injuries. Leather equipment eventually transitioned into plastic for more durability and more protection. 4. Plastic Is Affordable And Reusable Can people imagine how heavy and costly computers, cellular phones, and televisions would be if they were entirely composed of metal? Plastic makes these products inexpensive, housing, automobiles, and medical care, and this list continues. Manufacturers can melt plastic and reshape it over and over again. Simply recycling water bottles produced in machines purchased from PP bottle-making machine dealers could significantly reduce energy usage, pollution, and emissions.  Plastic is a precious resource that has helped carry out an unlimited number of innovations and has helped turn the world into its current position. Still, people should use it responsibly. All humans can play their role in cutting down waste dumped in landfills, encompassing decreasing scrap during manufacturing. This does not only help people save their money, but it decreases plastic waste, gas emissions, and energy usage.

Sometimes, Machine vendors describe North American-based bottle blow molders as a justly conservative lot, glad to stick with their accustomed injection blow presses and hydraulic shuttles. In the meantime, more effective fully electric alternates have become very popular inside Europe and are rising in Asia and other regions. But the sales figures indicate that American blow molders are eventually welcoming all-electric machinery.    An Auburn-based plastic fabrication company's official stated that we had had great success with every all-electric molding machine, and that is all we will purchase from now on. So the plastic fabrication company found it logical to find similar practical enhancements in fully electric blow molding. Its initial step was to buy all-electric blow molding machinery from all-electric molding machines dealers. The experience of that Auburn-based plastic fabrication company with that machine over the past year and a half has made it emphasizes all-electric blow molding machines.   Turning The Tide The Auburn-based plastic fabrication company is a pioneer of all electrics on the coasts. Interviews with three major suppliers of all-electric injection blow and extrusion blow machines in North America indicate that approximately six such pieces of machinery are situated in North America. The other few are delivering or are on order. The vice president of sales of a Michigan-based machining manufacturer states that most local extrusion blow molding machines seem content with conventional hydraulic pieces of machinery. The modular platform of that machining manufacturer permits electric servos or hydraulics on the identical essential press.   The Michigan-based machining manufacturer has supplied all-electric blow molding machines but has not promoted them very hard in the North American continent until recently. This Michigan-based machining manufacturer launched its first electric blow molding machine that employs local parts like controls, actuators, and servo motors. After displaying at the show, the Michigan-based machining maker operated its electric blow molding machine for two thousand hours to conduct an engineering assessment. This month, the machinery is moving to the plant of an American customer to begin commercial production.   According to the vice president of sales of a Michigan-based machining manufacturer, a customer's motivation is partially a requirement for extra capacity, partial inquisitiveness to examine something new, and partly a wish to establish a business partnership with the Michigan machining manufacturer.   The vice president of sales of the Michigan-based machining manufacturer states that power savings are not a reason compelling American blow molders to carry investment in fully electric machines. The real advantage, he says, is more significant repeatability and accuracy. European blow molders, he states, were more open to newly introduced technology as the electric utility expenses are much greater there. He said that more than fifty percent of the shuttle machinery sales in Europe are fully electric.   The vice president of sales of a German fully electric blow molding machine manufacturer's North American branch states that the sales of electric blow molding machines are slowly rising in North America. He stated that bottle manufacturers had had sufficient capacity in recent times, and therefore they have been hostile to capital expenditure, apart from those few that were increasing capacity.   Benefits Of Fully Electric Molding Machines   The vice president of sales of the German fully electric blow molding machine manufacturer's North American branch agrees that the higher electric expenses have made businesses accept electric blow molding machines in Europe. He states that the sales of full-electric blow molding machines are rising in China because of their faster cycles and power savings. In China, the vice president of sales of the German fully electric blow molding machine manufacturer's branch in North America sees a weather change. He states a couple of fully electric blow molding machines are working in North America, more are being shipped, and two are being ordered. He anticipates that the electric blow molding machine sales will double as more prominent companies will give ten orders of electric blow molding machines in the next year.    Although power cost is seven to ten percent of the bottle's cost, the local market's significant benefit is repeatability and accuracy. The vice president of sales of the German fully electric blow molding machine maker's branch in North America also states that dry machine cycles are fifty percent speedy with new electric blow molding machines. Their entire processes are at least ten percent faster. The Auburn-based plastic fabrication company anticipates increasing energy efficiency by launching more fully electric blow molding machines to injection and blow molding departments. Its official expects its energy efficiency to enhance as it uses more fully electric injection molding and blows molding machines.    That official believes it would be challenging for the Auburn-based plastic fabrication company to justify buying the fully electric blow molding machine on energy cost reductions. The savings will come from decreased upkeep downtime and better quality components due to enhanced machinery accuracy. Anticipation Of Auburn-Based Plastic Fabrication Company  Sometimes, Machine vendors describe North American-based bottle blow molders as a justly conservative lot because they are glad to stick with their accustomed injection blow presses and hydraulic shuttles.