Due to Xometry’s Manufacturing Partner Network,. , Ltd. 10 yrs CN Supplier . Because of this, they, by their design, prevent them from being ejected from the mold in the direction of mold opening. If there are surface defects such as gouges, nicks, scars, and dents in the mold cavity and sprue. The quality of the ejection determines the quality of the plastic product. This means the cross section of the boss walls will get bigger at the base. and molding will be to collect each issue to use as a reference in both the applications of the copper alloys and the mold design principles. Introduction. We stand behind these products and are confident they are the highest quality in the industry. Molding sand is often packed into pockets and comers with the help of this compound. In plastic injection molding, core separates from cavity and is drawn in tooling direction. Injection molding undercuts are features of a plastic part that are not perpendicular to the mold parting line. The rod of Cumsa's new rack lifter provides cooling to help ease small inserts out of injection molds. Our company is molding&engineering company, provide Custom CNC Machining service to our customers. TRADITIONAL MACHINES VENTS. With an extensive product selection supported with superior customer service, you can count on PCS to meet your needs. They play a crucial role in injection molding, allowing the production of complex parts with undercuts on both the exterior and interior surfaces. Film insert molding (FIM) enables one-step fabrication of plastic components with a decorated or functional surface. The best multi-material injection molding solutions for plastic products; Contact Info. . 1. The material is rotated forward by the screw and makes contact with the heated barrel. In This Tutorials We'll Discuss lifter calculations of Plastic Injection Mold Design. Undercuts in Injection Molding: A Brief Overview. Table A can be used as a guide in selecting leader pin nominal sizes. The mold is composed of two halves, the “A” side and “B” side. Air Suction Lifter. 16 Pages. 1) All mechanical slide design standards relative to shut-off, molding surfaces, and cooling will apply to the Hydraulic Slide designs. Bumpoffs are an easy way to mold lens covers, container caps, and similar parts with functions that call for them to snap into place. Our new concepts applied to the ejection of parts from termo-plastic molds permit, for example, the replacement of an ejector pin from the parting line of the mold whilst still in the press, allow extra stroke for just one ejector pin without the need of two sets of ejector plates or easy solutions for double ejection molds. It utilizes a closed mold and a low-moisture low-oxygen environment. The inclination of sliders should be kept between 15 and 25 degrees, and the inclination of the guide pin should be 2 degrees smaller that of the wedge. Costs for a modest, straightforward, single cavity plastic injection mold typically range from $1,000 to $5,000. . Detail shows a lifter that has push pins to prevent the part from sticking to the lifter detail. Double Valve - VD. Engaged in mold production, manufacturing and processing for five years, exported to major countries around the world. Mastering Mold Lifter Design At. Plastic resin is fed into the loader in pellet form. . When you partner with Fictiv, your plastics project can use handloads instead of injection molding sliders or lifters. VectorForm System components are engineered for the common injection molding environment. Clean operation; Minimum effort; Faster operation; With or without power. Sometimes there are some features on B Side of surface and they create interference in mold separation (features like snaps, dog house etc), they are in internal undercut region. Significance of Well-Designed Lifters in Injection Molding The significance of well-designed Injection Mold Lifter Design cannot be overstated in the realm of Injection Mold Lifter Design. 080" – 0. Slides, Lifters and. At DME safety come first. The depth, of course, means the dimension along the direction of the drawing. You can looking for several suppliers to finish the same project together. For injection molding, order of magnitude ~ 0. When the hoist lifts the mold up, it is going to tilt in one direction or the other because an. The design engineer must understand the part geometry, including any undercuts or other features that may require a lifter. The process of collapsible core injection molding involves several steps, including the preparation of the mold, the injection of the resin, and the removal or collapsing of the core. Reasonable fillet radius: 0. Hot Runners and Temperature Controllers. At its most basic level, the slider is used to turn the vertical. . . The mechanism for this mold slider is set up so that the lateral sliding. In this case, it will be best to use a lifter and slide to form the feature rather than complicated shapes. Our two-platen injection molding machines are characterized by an extensive clamping force on the smallest footprint. Injection moulding process explained with key elements. Types of design features that may constitute injection molding undercuts include recessed areas, hooks,. up the molding machine platens. An injection molding draft angle of 1. We stand behind these products and are confident they are the highest quality in the industry. . First, every mold has a sprue. In the front part of the product, the clamping line between the slider and the cavity is on the parting line, and the product is formed by the big slider around the product. ABOUT THE AUTHOR: Jim Fattori is a third-generation injection molder with more than 40 years of molding experience. Injection Mold Lifter. Rapid Prototyping Mold Design Injection Mold Making Injection Molding Service Vacuum Forming Molding Secondary Process Quality Assurance Insert Molding Services. 5 Reasons to Try Injection Molding eLearning. The images above (Figures 1 and 2) show an example of a difficult-to-cool lifter with five molding surfaces. Add 1 degree of the draft for every inch increase in part depth. Trimming Knife - QR. This philosophy has driven us to offer a collection of Mold Lifting and Rigging hardware that has been certified and proof tested. We 100% guarantee your project will be successful. At this size, draft as low as 1½ degrees will allow for an easy, non-damaging release from the mold when the expected shrinkage of the thermoplastic material occurs. Rapid Injection Mold, 2 Components. e. The mold utilizes four slide actions, eight lifters, and a delayed cam/lifter assembly. This video will explain how to injection mold lifter work? Lifter used to solve undercut, when ejector plate moving, lifter will move as lifter angle. For runny, non-viscous, crystalline resins such as nylon, PE, or PP, the recommended vent depth can range from 0. To achieve this, a “slide” or “slider” is often used as a core-pulling mechanism. It is a steel tool in the form of an L, with a long holding shank and a short toe. com) that went into more detail on lifters and was a continuation of his previous post. From a simple prototype tool to fully hardened production tools, our injection molding tool design matches the demands of your product to ensure that your tool will always perform with minimal wear and tear. Considerations in Lifter Design The following are some considerations when designing lifters for injection molding systems. The product drawn is co. This video contains several injection mold delicate delay mechanisms for ejection and core pulling. 1. 18. I would like to take this opportunity to appreciate support s and cares from all circles. Altanium Neo5. A functional part for injection molding has to have draft angles that face both the cavity and core sides. In most cases, cavities are hardened to 50-52 RC. The plastic material cools and solidifies in the mold. EST. 217 Pages. You need even heat transfer. To insure proper fit up, the nozzle radius is. 010 inches. Therefore, the. Partially made into a spiral shape; 4. Depending on the type of molding material, you might use a gate depth that is 50-80% of the part’s wall thickness, and depending on the flow length, the width of the gate being two to six times its depth. Necessary lifters are much more compact and damage-resistant. The injection molding process requires the use of an injection molding machine, raw plastic material, and a mold. A slider is a mold. Steps in Injection Molding Toys. com; injectionmoldconsulting. 5 gallons to 15,500 gallon capacities, the Ace Roto-Mold division can provide for your Liquid Storage & Containment requirements. Barrel Repair Injection and Extrusion : 574: Barrel Tape Measure Injection : 462: Barrel Tumblers : 635:. Lifter can release undercut from a esay way by an simple formula. Injection molding undercuts are features of a plastic part that are not perpendicular to the mold parting line. Significance of Well-Designed Lifters in Injection Molding. One face of the block forms the inside leg of the hook while the other three faces of the block are drafted at 3 degrees and create shut offs against the mating sides in the pocket. Processing according to Cavity-Lifter Injection Mold standards. Injection moulding is a formative manufacturing technology, i. Keep your most valuable assets, your employees and materials safe by using DME lifting hardware. Mold Lifters A lifter is a component in the mold that is normally attached to and actuated by the ejector system and moves at an angle to free internal molding detail (see Illustrations B and C). Add a 0. . For Our Paid O. to 5 p. Virtual Instructor Led Training. 00 - $200. Quality issues are always present, and this can affect the safety, function, and performance of the product in question. It also has the appearance of a tunnel. This must have at least 3 degrees shut off. Core Geometry. Fig. Bumpoffs. This was in turn creating excess load on the lifters leading to twisting or imbalance within the whole of the ejector assembly especially when. It is typically mounted on the moving half of the mold, and it helps to lift the mold off the stationary half of the mold during. Incorporate the draft angles in both the cavity and core, with a slightly larger draft angle for the core. It is die-locked. , it has to ensure secure connection, meet the test. Sifat material plastik yang harus dimiliki olehHigh quality 1. Routsis’s SmartTech™ is the most effective way to train plastics processors and. These injection mold coatings are applied either in your tool room or on the press and give exceptional release characteristics to the part in the mold, allowing it to eject without sticking and thereby eliminating any pin push. The size of. The pins are in red and springs are in yellow. This rule of thumb applies to parts with mold depths of up to 2 inches. Once the mold is created and the machine is set up, additional parts can be manufactured very fast and at a very low cost. Cashew Gate. The characteristic is that the pushing force of the ejector is applied to drive the sideway. By gaining an in-depth understanding of the work principles and design points of lifter, you can better address the challenges in injection. 5mm). Roller/Ball Bars or Die Lifters are used to lift the rubber mold and provide a roller surface to easily roll the mold in and out during the rubber mold change. : Brick, wood, paper, urethane foam, etc. In many cases, the function of the undercut can be achieved by clever design without requiring a side core. During the molding process, the air contained in the mold needs a way to escape, otherwise the melt will compress and trap that air in the cavity. Injection Molding: $0: Material cost: $0: Production cost: $0: Tooling cost: $0: Disclaimer: The above cost analysis uses data based on industry averages and typical manufacturing practices, and should therefore be viewed only as a guide. They are an essential part of the injection molding process, allowing manufacturers to create complex parts with undercuts, threads, and other intricate features. The slider usually has a hydraulic system that pushes it in a lateral direction. 06”. Lifters In Injection Molding. 25T-0. Mold Components. During this course, the student will learn the principles of injection molding and how design a injection mold. The mark left on the part at the end of ejection mirrors the shape of the sleeve. 1) A draft angle of 1½ to 2 degrees is required for most parts. Complete animation of 2 plate injection Mold design. Ejector bars offer a good option for ejection on lengths of flat surface. Designing for plastic injection molding is like raising teenagers—some parts (and some teens) are more challenging than others. Injection Molding. 5MM; C is the stop surface, so generally a. Here are some reasons why design is important for injection molding. The chart below shows the relationship between wall thickness and the fillet radius. It features a robust construction using high-quality materials, ensuring durability and reliability even in demanding applications. Once the part has cooled, the lifter pushes up at an angle to release the undercut. mold design 4. In injection molding, the cavity is. However, rather than using an angled pin to control the action’s movement, lifters are driven by the action of the injection molding press pushing against the ejector plates. The shut-offs aid the designs of. Whenever we can add ventilation to a mold we do. Focus more on the ejection mechanism in the mold design to reduce or eliminate the dependence on mold release agents. 0, 1,000 psi line and below the 10. Lifters. In the last months, we have developed a. Plastic Septic tanks are the future of wastewater management. In this video, you can get what is undercut, types of undercuts, how we can remove undercuts, what is slider & lifter in plastic molding, how to use slider &. material is formed from an amorphous shape into a fixed shape defined by a mould tool. They are an essential part of the injection molding process, allowing manufacturers to create complex parts with undercuts, threads, and other intricate features. So a lifter needs to be employed in those areas. POROUS MOLD MATERIALS. Annual Revenue: 100000000-150000000 USD. This detail shows a lifter at 10 degress with 2. So how do the mold design engineers of pintejin molding solve this problem? 1. Tunnel gates injection molding (also known as submarine gates): A tunnel, or submarine gate injection molding, is more complicated and requires a much higher degree of skill to add to the mold. Use Case. This is a cut away of a basic lifter mechanism. Lifter Systems Application. PENDAHULUAN Perkembangan industri saat ini kemasan merupakan suatu kebutuhan bagi industri makanan. High Pressure - VH. Lifters In Injection Molding. Sizes above those nor-mally considered stan-dard use diameters appropriate for the weight of the mold. Maximum operating temperature of 250° F or 120° C. 1. Precision injection moulding is a specialized process that offers unique benefits to various industries requiring high-precision parts. This versatile method is utilized across various industries for the cost-effective mass production of complex shapes with high reproducibility. Mold vents should function the same way. Machinery, Apparatus And Equipment (Other Than The Machine-Tools Of Headings 8456 To 8465), For Type-Founding Or Type-Setting, For Preparing Or Making Printing Blocks, Plates, Cylinders Or Other Printing Components; Printing Type, Blocks, Plates, Cylinder. Actual costs may vary based on the specific manufacturer, equipment, geographical location, and prevailing. Handloads are inserts that are manually placed, or hand-loaded, into the mold to achieve features such as undercuts. It’s a passage that connects the molding machine’s nozzle to the cavity of the mold. The issues are never deliberate; they are due to various problems arising from the mold manufacturing process itself, the nature of the. In This Tutorials We'll Discuss lifter calculations of Plastic Injection Mold Design. Injection Mold Cost Overview. For the full story click here: This idea is nothing new for the injection molding industry but at Fortify we take it to a whole new level with our 3d printed mold tools. A “Flat Heat Profile” is generally recommended when developing a molding process : with a new resin. Due to the constraints of the mold tooling and molding press, these side cores and lifters have a limited depth or pull. An injection molding lifter is an important component that is part of the injection molding mechanism that travels with the ejection stroke, moving on an angle to slide and pull the cavity steel away from the undercuts in the die. Most material manufacturers specify a recommended vent-depth range for their resins. It includes several integrated stages which are (1) injection, (2) packing, (3) cooling, and (4) ejection []. 518 of lifter travel. 1. 1mm on each side of the base made of the 738 steel, while the length tolerance is +1. Lifters: Unscrewing devices:. Depending on the type of molding material, you might use a gate depth that is 50-80% of the part’s wall thickness, and depending on the flow length, the width of the gate being two to six times its depth. This product can be used to systematically draw floating plates and inserts. The bottom of your rib must also feature a fillet. 160"). Injection Molding Process Technician. The surface of the plastic product is more beautiful 3. Lifter Injection Molding. Publication Publication Date Title. g. 5. 37/hour) The employment of injection mold operators is expected to grow at an average rate over the next decade. Conducive to the machining and heat treatment of the injection mold, which is helpful to improve the service life of injection mold. The chart below shows the relationship between wall thickness and the. D. This defect occurs when plastics material flow across the mold cavity rather than forming a fountain flow and freezing to the mold cavity. What is Injection Molding Lifter. On average, injection molded parts should have a wall thickness that ranges from 0. Based on the demand and market trends, more. Utilize small rare-earth magnets to fully seat and hold hand loads in place to. Rapid Prototyping Mold Design Injection Mold Making Injection Molding Service Vacuum Forming Molding Secondary Process Quality Assurance Insert Molding Services Overmolding Services; Industriesshallow side concave of plastic parts requires small core-pulling distance, yet when the molding area of side concave is large, a large core-pulling force is thereby needed, therefore, tilted lifter mechanism can be adopted for side parting and core-pulling. Application : Use for removing plastic parts and stainless steel parts. Put the holes in and leave the pins off. Weighing the pros and cons in advance saves time and money in the long run. Our company is a molding&engineering company, providing Custom CNC Machining services to our customers. Multiply the desired depth by the desired width and you get the flow area in square inches. Scientific Molding Pocket Guide An essential reference tool for Scientific Injection Molding — now available as an app for iOS and Android Devices. Elevating Precision and Efficiency Mold Lifters play a pivotal role in achieving high-quality and intricate part geometries, enhancing the efficiency of the injection molding process. This is the contact point between the machine and the mold. Learn more. This style of gate is used to get the injection location behind or below a show surface. This means shorter cycle times, resulting in more parts produced per hour and lower production cost. Injection Mold Design Handbook will take the reader through the process of conceptualizing and designing an injection mold that will produce the desired plastic part. At Creatingway, we widely use it in the manufacture of parts for commercial purposes. Written by: Ben MacDonald, Senior Applications Engineer. This design is the same as movable mold lifter. . If the ejector plates have a guided system, the guide bushings will wear out prematurely. Mold Cores, Core Pins and Chill Plates 3. Much like a tunnel gate, the cashew gate is machined below the parting line and is automatically sheared during ejection. Injection mold Slider operationAvoid adding threads directly on your injection molded part. metode-metode lain yang biasa digunakan. providing 0. 2) Parker series 2-H hydraulic cylinders will be used. But manufacturing the same part in 2 mm thickness with localized 5. Experience exceptional customer service. That’s the air escaping out of the nozzle until the hose is full of pressurized water. Lifter: The injection mold lifter is an essential component that makes the whole injection molding process successful. Keywords: Injection molding, slider, undercut, cooling. Sprue Bushings and Runner Bars 2. Injection molding lifters are movable components within a mold that enable the creation of undercuts or features that require an angle relative to the direction of the mold’s opening and closing. After the part has cooled, the lifter pushes up at an angle, which removes the undercut section from the mold, and retracts from the undercut during ejection. This type of gate is a cone that is added below the surface of the part, thus the name: submarine gate. Estimated reading time: 5 min. There should be a distance of 1 – 3mm from the angle lifer to the product, with a clearance of 0. 5mm and. Thin wall injection molding can produce walls as thin as 0. Table 36. They are typically attached between the ejector retainer and ejector plates with some mechanism Illustration C: Lifter actuation shown during ejection. The design of the mold, as well as the part being molded, has a significant impact on the success of the process. Plastic mold is the abbreviation of a combined mold used for compression molding, extrusion, injection, blow molding and low foaming molding. A dynamic (versus static) mold-venting valve helps resolve the most common effects of poor cavity venting. Get in Touch 1-800-521-0546. Quantities: 5000 Parts. This radius should not be smaller than 0. 8 Pages. This runner design helps an injection mold perform to its highest capability, enabling you to get the most out of your injection mold by controlling the variations that occur naturally during injection molding. phase and/or overall molding cycle. 08″ (2mm) to 0. Check for “dings” or raised areas on the mold and platen—especially the locating-ring alignment hole. It's a single Nozzle Hot runner mold with hydraulic. The injection molding slides are activated after the injection mold machine opens up. Injection Molding Lifter; Injection Molding Cavity VS Core; Contact Info. As more material enters the mold cavity, it. As it is a feature of the mold, the draft angle is also visible on the component. 5. To achieve this, a “slide” or “slider” is often used as a core-pulling mechanism. Here are 15 drawings of injection mold parts about sliders and lifter. We offer one stop injection mold services, such as mold design, plastics injection molding and custom injection molding. When air venting is extremely difficult, the mold can adopt a. Propane powered with internal combustion engine and on-board PLC and equipment for remote starting of engine and transport. Mold alignment is critical to the molding process. The ejector plate moves in the same upward direction as the. 2. ・This product can be configured to suction when the valve at hand is opened, and to switch to the blower when the trigger is gripped. Put the holes in and leave the pins off. Unlike a slider, which pushes the. by crane operator) Anti-collision sensors will stop the unit. This is, however. Thus at 1,000 psi cylinder pressure, a cylinder larger than an 8" diameter bore would be needed. Its unit of measurement is degrees. Here I will be focusing on just one type—the tunnel gate—because of all the gate types, tunnel gates are the most misunderstood. One of the most common ways of adding venting is by manually machining it into the mold (Figs. Injection molding is one of the advanced manufacturing technologies for the low-cost and reliable production processes. The algorithm surpasses the current state of the art since it uses as input variables firstly the discrete map of temperatures of the melt plastic flow at the end. 1. Alibaba Fabrication Services Moulds Wholesale injection mold lifter. PA (Nylon) injection molding Technique. The lifter also needs to add guide pin and guide bush. For injection molding, there are some common troublemakers during part design: Clips and snap fitsShot size plays a pivotal role in the Injection Molding Shot Size Calculation process, directly impacting the final product’s quality, dimensional accuracy, and structural integrity. 1 Part Sticking on Ejector Troubleshooting Chart, found in Injection Molding Advanced Troubleshooting Guide: The 4M Approach (p. Collapsible cores are mechanisms that release a circular undercut feature in a method similar to a lifter. A parting-line vent is. It is a feature that the cavity and core cannot capture alone. Injection Mold Lifter. An. Contact expert. Copyright reserved by: lifter in plastic injection mold is mainly used to form the internal undercuts of a molded plastic part. After the molten plastic product has solidified, it is ready to be removed as a complete plastic product. Lifters release internal undercuts. Injection Mold Lifter alan. VectorForm Lifter System features and benefits Standard Slide Base (SB) Joint Slide Base (JB) Universal Slide. m. PCS Company mold components are designed and manufactured to exceed demanding customer expectations for quality, reliability, and performance. One final thing to keep in mind when you plan for changes: at Protolabs, we can make parts to tolerances of ±0. The wall thicknesses of an injection molded part generally range from 2mm – 4mm (0. For example: arrange A company to design, B factory making mold base, C factory making core block, D factory making slider/lifter/insert etc (request every supplier control the tolerance within your requirement, so that is easy to assembly). 3. POM injection molding is a process for creating parts by injecting molten POM (Polyoxymethylene) material into a mold, where it cools and solidifies. Designing for plastic injection molding is like raising teenagers—some parts (and some teens) are more challenging than others. 0005 in. When molding a fiber-filled resin, a “Reverse Heat Profile” is. Spray a light mist of “overnight” preservative or WD-40 on the platens and the clamp-plate faces of the mold. Spray a light mist of “overnight” preservative or WD-40 on the platens and the clamp-plate faces of the mold. Injection molding is a heat-transfer process. This book helps guide the designer, engineer, project manager, and production manager in making sure that the injection mold to be designed will work as intended. A common mold that creates a somewhat straightforward component small enough to hold in your palm often costs around $12,000. Standard & Custom Mold Base Supplies & Solutions. Features. FR2564773B1 1987-02-13 MONOBLOCK MOLDS FOR INJECTION MOLDING OF PLASTICS. Almost every plastic part created today is by injection moulding as. Structure of back mould is in the form of press block + oblique pin + slingshot as shown in the figure (sometimes when slider width exceeds. The mark left on the part at the end of ejection mirrors the shape of the sleeve. Once we’ve decided on the best parting line, there may be part design modifications required to allow for proper draft and surface finish to make the mold functions properly. Mold Lifters optimize the injection molding process by enabling the production of parts with diverse and innovative designs. As more material enters the mold cavity, it. Here we'll calculate Lifter angle & Strokes. Injection molding represents the most important process for manufacturing plastic parts. There are four major elements to developing the best possible product. This comprehensive guide will explore the differences between conventional and precision injection molding, the challenges faced in this process, troubleshooting common problems, the importance of areas of precision,. Here are 5 ways that can help you effectively deal with undercut molding designs. 1. injection moulding process 3. 2101 Lifter Injection Molding Sprung Core product market, With strict quality control Lifter Injection Molding factories, Producing. This book helps guide the designer, engineer, project manager, and production manager in making sure that the injection mold to be designed will work as intended. This defect occurs when plastics material flow across the mold cavity rather than forming a fountain flow and freezing to the mold cavity. Using modern CAD software products, designers usually design Cavity-Lifter Injection Mold. Shot size plays a pivotal role in the Injection Molding Shot Size Calculation process, directly impacting the final product’s quality, dimensional accuracy, and structural integrity. These problems can now be solved with the new DME Accualign Lifter with its unique self-adjustment feature. The Question:. Therefore, ejector pins injection molding involves the removal of completed parts from the die molds. One face of the block forms the inside leg of the hook while the other three faces of the block are drafted at 3 degrees and create shut offs against the mating sides in the pocket. For example: arrange A company to design, B factory making mold base, C factory making core block, D factory making slider/lifter/insert etc (request every supplier control the tolerance within your requirement, so that is easy to assembly). This is an animation of a basic injection mold slide [email protected] plastic injection molding applications, PVD coatings are an excellent method to reduce wear and corrosion. 2) Parker series 2-H hydraulic cylinders will be used. For Our Paid Online and offline A. Weighing the pros and cons in advance saves time and money in the long run. 2. Once we’ve decided on the best parting line, there may be part design modifications required to allow for proper draft and surface finish to make the mold functions properly. There is a lot to discuss about lifters: design considerations, materials used, wear surfaces; buddy/helper pins,. Convenient logistics service, fast quotation, 24-hour online service. . This video contains several injection mold delicate delay mechanisms for ejection and core pulling. It allows for the creation of complex and intricate designs with ease and efficiency. Slides or sliders are used to release any external undercuts or recesses on the outer surface of a part that may prevent it from being removed from the mold cavity. Injection pressure controls the rate at which the material enters the mold. There are two types of components used within this method: lifters and sliders. Live Course: +91-8871511975 (WhatsApp)(1) Mold Design Course(2) Nx UG CADJoin this channel to get access to perks:molding lifters play a crucial role in the production of consumer goods and appliances. Draft angles are a required feature of injection-molded custom parts. Most injection mold company usually apply the lifter structure as shown . There are times when porous materials like Porcerax are used in problem or backfill areas. Collapsible Core. Account. The duo series is one of the most energy-efficient machines of this type - with up to 55% less. operating pressure: 400 bar. But the power comes from the clamping force of plastic parts to the lifter and spring. 11.