Final report life time increase of tools for fine blanking. The vring indenter plays an important role to increase the quality of cutting edge surface of the blanked part in fine blanking process. Whereas the blanking material has a direct influence to wear and tool endurance 24. Sheet metal blanking process for forming of material. Consult feintool technologie ags entire fineblanking technology catalogue on directindustry. This paper reports some stateoftheart research, which includes some changes in the material and shape of products, the evolution of blankholder, and the development of. When you look at some of the equipment and machinery that is out there, you have to wonder how so. In the production practice at different stage of fine blanking process, fracture occurs at the ejectors fig.
Fine blanking is a specialized precision stamping, metal forming process tu. Production type progressive and compound blanking removal technology shovel nose transfer stacking technology pallets also multiple stacking and mandrels stacking stations either 1 or 2. Jagemanns fineblanking is capable of condensing several steps of typical traditional stamping. Uddeholm solutions for fine blanking timeless possibilities. We will supply you with worldbeating turnkey technology built to meet the most demanding standards. Innovation is feintools way of rolling back the frontiers of fineblanking our goal of continuing to develop fineblanking technology is also our motivation.
The process requires a tripleaction fineblanking press. It was developed to produce high precision parts with flush cut surfaces and great repeatability. For fine blanking technology are suitable materials, respectively steels with sufficient cold forming property and minimum yield strength. Structural analysis and size optimization of a fine. Jagemann is constantly exceeding our clients expectations for what fineblanking can be. An investigation o n the parametric analysis of vring. Fine blanking technology is variant of stamping process, the main characteristics of it could be defined with two words, flow and shear.
The fine blanking is the heart of automatic fine blanking production line,which usually consists of the above components equipments used fine blanking presses. Fineblanking creates smooth, quadrilateral, crack and burrfree surfaces, while the component itself is flat and level thanks to the clamping process. The only addition operation needed is the removal of a slight burr. This section of the website is designed to provide you with an overall understanding of fineblanking as a process what types of parts are typically made by fineblanking and where fineblanking provides value. Pdf an improved ductile fracture criterion for fine.
Getting a better understanding of the fine blanking process. Fine blanking is the costefficiency metal forming process. His expertise, coupled with the importance of the lubrication technology, is key to ensure part quality and important to improve the tooling uptime. We handle steel, aluminium and stainless steel up to 8,5mm thickness, 260mm width and up to a length of 300mm. Fine blanking method is new press technology, which flows metallic structure by highpressure theory under static water pressure and get the clean front cut end and doesnt cause any vibration or wave cut end. As can be seen in figure 1, the fine blanking technology gives closer dimensional tolerances by achieving higher sheared surface quality compared to conventional blanking. Development of closed extruding fine blanking technology. Active vibration control of mechanical servo high speed fine blanking press %k active vibration control. Outstanding lubricating properties and an extremely balanced additive level contribute to increased lifeexpectancy of the fineblanking, stamping and forming tools. Mar 04, 20 indenter mechanism in fine blanking process majid elyasi faculty of mechanical engineering, babol university of technology, p. Fine blanking, precision grinding and cnc machining by jpi. Pdf comparison of fine and conventional blanking based on. The fineblanking process involves a total of three forces, which distinguish this technology from other punching or cutting methods. The fine difference the difference between fineblanked and conventionally blanked parts is most apparent at the sheared edge.
Fine blanking is a hybrid metal forming process that combines the technologies of stamping and cold extrusion. Fine blanking technology was initially used in the watch and clock industry but today its usage is commonly found in the automotive industry. The cut surfaces showing only very small dimensional tolerances can be used without any secondary operations. Fine blanking with 1% clearances produces very smooth and squared off edges a b a comparison of sheared edges produced by conventional left and by fine blanking right techniques. Analysis of some aspects of fine blanking process 123 3a by fine blanking technology. The machining processes such as cutting and drilling can be eliminated, and even products with complex shapes can be massproduced by pressing fine blanking. Fine blanking has been widely used in many industrial fields because of its high efficiency and high precision. Schmid company, successfully extended by bosch 6 and patented by schiess 7. But the style of one part family created a problem because it was semipierced. Mechanical and hydraulic fineblanking presses with the latest technology. In a car there is a guarantee that the safety belt, brake system or airbag is working properly. Blanking line for the manufacturing of electric motor laminations using progressive and compound blanking processes. Development of a hybrid dlt cloud architecture for the. Fine blanking uses the hydrostatic pressure effect referred to as pressurization of metal will increase plastic deformation ability.
Sheet metal blanking process for forming of material techminy. This article describes the three principal design features of the fine blanking process. Pdf stateoftheart and future challenge in fineblanking. Depending on the respective product, tool technology applied and material quality, cutting thicknesses of up to 12 mm can be achieved. Pdf the fine blanking technology of cam were analyzed, its blank layout was designed, the fine blanking force was calculated and stamping. Since 1974, jackson precision industries has met the growing need for low and high volume fine blanking, precision production stamping, cnc machining and precision grinding. The information is compatible with erp system to reduce manual input job.
Stateoftheart and future challenge in fineblanking. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Fineblanking produces clean, right angled cutting surfaces whereas conventional blanking leaves a rough surface that needs reworking depending on the quality required. Ronnarong namuangrak factory manager, aa fine blanking co.
The authors work showed that the cloudbased approach can yield transparency of the supply chain across multiple companies, but also that further work has to be done on the topics of data. High precision, minimal tolerances and cleancut edges. Consequently, fine blanked parts play a major role for the safety. Fine blanking parts 01 fine blanking parts technology. Principle and process of the closedextruding fine blanking technology the closedextruding fine blanking is a new formingtechnique that combines fine blanking and cold extrusion. Fine blanking technology the use of stateoftheart fine blanking technology enables us to produce highprecision products with minimal tolerance. He is in constant communication with the raziol company to implement industry 4. Jackson precision industries is located in a state of the art manufacturing facility in jackson, michigan.
Pdf fine blanking is an effective and economical precision forming process that plays an important role in the manufacturing industry. Fineblanking offers many advantages compared to stamping. Fine blanking is a hybrid metal forming process combining the technologies of stamping and cold extrusion. Fpb series, the triple action press, is outstanding for precision and complex metal stamping parts which flatness is retained, straight, control system transfers the production information to pc at manager office. The guide plate is the first applied to the material, impinging the material with a sharp protrusion or. Fineblanking technology greater costefficiency, better quality, improved productivity. Due to the fact that fine blanking is a process with large, localized plastic deformation, analytical approach is difficult to. Innovation opens up new prospects for fine blanking. Stateoftheart and future challenge in fineblanking technology. Fine blanking enables the production of highprecision parts by noncutting cutting and if desired simultaneous forming.
Jagemann is a full service stamping company that couples the latest technology with the best people in our state of the art manufacturing facility. Structural analysis and size optimization of a fineblanking. This is achieved by holding the sheet metal tightly between two surfaces during the blanking process and hindering material flow with the so called stinger. Closing force, counterpressure, and blanking pressure forces are individually and infinitely adjustable. It is well known that triaxial compression stress state is beneficial to prevent cracks from generating and propagating deng ming et al. Bridgman of the united states which won the nobel prize for physics in 1946. In a single step, jagemanns fineblanking technique can produce a part that would otherwise take hours of manual labor, parts, and operation. A typical fineblanking tool is a singlestation compound tool for producing a finished part in one press stroke. Fine blanking allows, blank out and clean cut metal parts, without any tearoff and scars. The technology of fine blanking parts mainly refers to ensure the technical and usage requirements of the parts, and it should be the simplest and most economical in manufacturing under certain batch production conditions. The operates pressing to 2040% for material fixed to the mold.
Fine blanking technology precision processing on a scale of microns is possible, which is difficult with general press processing. Taking the vehicle production as an example, there are almost 100 to 200 fine blanking products in a car 1. Fine blanking technology feinwerktechnik hago gmbh. In a car, fine blanking is employed to guarantee that critical parts which cannot go wrong such as the safety belt, the.
The state of the art of commercial fine blanking and punching will be reported with the aim to describe the needed specifications and the desired properties of the tools for the fine blanking operation in. Fine blanking technology was initially used mainly in the watch and clock industry but nowadays more than 60% of fine blanked parts are used in the automotive industry. Fine blanking technology was initially used mainly in the watch and clock industry but nowadays more than 60 % of fine blanked parts are used in the automotive industry. This technology is particularly relevant for the production of highstrength twodimensional components and has been successfully gaining applications in the automotive sector, where quality and tolerances are paramount. Fine blanking also known as fine edge blanking is a special type of stamping process that produces parts of enhanced accuracy, flatness, and edge characteristics when compared with conventional stamping. Fine blanking digitalization of the lubrication technology. Stateoftheart and future challenge in fine blanking technology, production engineering, 10.
The blanking machines are highly automated and used for large and mediumsized blanks. Sheet metal blanking process fine blanking process. In a car, fine blanking is employed to guarantee that critical parts which cannot go wrong such as the safety belt, the brake system or the airbag are in working tiptop condition. The company offers hdd vcm, gearbox parking and shifting mechanisms, door locks, hydraulic pumps, powertrains, brake parts, seat parts, gear boxes and clutches, gear box parts, synchronize rings, bicycling cassettes, and other products. The cut surface of the specimen straight and beautiful. Fine blanking is the only metal stamping process that can produce a gear in single operation. Fineblanking technology feintool technologie ag pdf catalogs. State of the art peripherals, such as feeding lines and parts handling. Ideal for fine blanking are low carbon steels and lowalloy steels with low content of alloys and value of yield strength under 600 mpa 8, 9. The fine blanking provides parts having smooth edge better flatness and high tolerance. Consequently, fine blanked parts play a major role for the safety in our daily lives. Active vibration control of mechanical servo high speed. Fine blanking makes use of additional supporting tools pads and impingement technology to minimize plastic deformation during the shearing. Fineblanking technology feintool technologie ag pdf.
Kai wiegand, lean management leader at feintool, is an expert in the fine blanking technology. Because fine blanking technique offers considerable economic advantages and improved quality of the parts, it is now widely used in the process for manufacturing precision parts of machines and automobiles 1. Fine blanking is a specialized process that combines cold extrusion with stamping. Introduction the expanding use of high strength steels in fine blanking has brought out a new challenge tool resistance and lifetime is not satisfactory any more. Pdf stateoftheart and future challenge in fineblanking technology. Fine blanking with vring indenter technologies is designed in 1952 by the h. Fine blanking process is one the specialize type of process. Fine blanking is an effective and economical precision forming process that plays an important role in the manufacturing industry. For this purpose, the raw material is held along the cutting contour by means of a socalled ring jig. The special features of this process are the very smooth cutting surfaces, the observation of extremely fine tolerances, and the high level of angular precision plus a workpiece with an. Which blanking process sheared the sheet metal in three type of force separately applied. Costeffective fineblanking and forming systems feintool. Fineblanking at jagemann stamping is time efficiency at its best.
Innovation and smart ideas for developing presses, tools and tool materials or for designing blanking processes ensure that the scope. In a car they are a guarantee that the safety belt, the brake system or the airbag is working properly. Several factors, such as material, shape, and blankholder, can affect the quality of products. The fine blanking process is achieved in a specialized fine blanking press, which has a few critical additional. Figure 1 shows a comparison of two typical engineering products which have been produced by the conventional figure 1a and fine blanking processes figure 1b.
With specialized tooling and methods, fine blanking is used to economically create smooth wall surfaces without those defects created by the stamping process. Fine blanking fine blanking technology was initially used in the watch and clock industry but today its usage is commonly found in the automotive industry. Fine blanking is a precision forming process for manufacturing huge quantities of ideally identical work pieces, e. The use of stateoftheart fine blanking technology enables us to produce highprecision products with minimal tolerance.
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