Wire edm innovative solutions optimized for individual. With wire edm you can basically cut out any design. As edm specialists, adron utilizes all types of electrical discharge machining. Mecanic allows to create a program based on two or more wire cut machines. Edm is sinking edm in which a preshaped electrode moves into the workpiece.
The edm process usually does not affect the heat treat below the surface. Wire edm is one of the nontraditional machining processes. This is an optimal size that has enough surface area to conduct sufficient current to yield enough speed, yet not so much surface area as to increase the raw material wire and filtration cost. Wire edm is an ideal process for prototyping and production runs of 50 to 50,000 pieces because it requires no wait for expensive tooling to be built. During the machining, the wire is constantly coming from an automated feed with a spool. Nov 01, 2011 gf agiecharmilles is redefining the wire edm process by making its thirdgeneration automatic wire changer available on the companys latest, highperformance cut 2000 and cut 3000 wire cutting edm machines. During on time controlled spark erodes material figure 2. We have the software to translate virtually every type of cad file and can program your design into the machine and put it into production. Wire edm cutting, also known as electrical discharge machining, is a process that uses an electrically energized thin wire to slice through metal. Jan 17, 2014 using an energized wire to slice through metal is the essence of the wire electrical discharge machining edm process.
The electrodischarge machining edm process is a well. Watch a 3d simulation of your wire cut paths in a virtual machining environment. It can also cut various sample plate, magnetic steel, silicon steel sheet, semiconductive material or precious metal. With wire edm the spark always takes place in the dielectric of deionized water. Takes shape opposite to that of cutting tool electrode cutting tool made from electrically conductive material dielectric fluid surrounds both tool and work servo mechanism gives gap.
Not only will it cut faster than the typical wire, it will burn cleaner which also saves you money when it comes to your other edm consumables such as edm filters and edm guides. The wire cut type of machine arose in the 1960s for making tools from hardened steel. Unlike traditional processes the machining speed of edm operations depends on the process conditions. Furthermore, it is able to do tiny machining, abnormal shape groove or machining of standard defect of sample. Nc code is generated and no modifications is necessary over the edm machine software interface. Wire edm is a method to cut conductive materials with a thin electrode, a wire. Wire cut company edm machining service is certified iso 9001. All the wire edm machines at metal products are suitable for materials which are considered too hard, where adhesion is a problem for traditional machining or for materials typically.
The water acts as a coolant and flushes away the eroded metal particles. Wire edm electric discharge machining is a method of high precision machining for cutting almost any electrically conductive material. Wire cut edm, also known as wire electrical discharge machining, or wire edm is a method of cutting or shaping conductive materials with a thin electrode that follows a precisely programmed path. An experimental plan for rotatable central composite design of second order involving. A separate edm head specifically for small hole drilling is mounted on a wire cut machine and allows large hardened plates to have finished parts eroded. Principle of wire cut edm 20111104 cnc wire cut edm machine puts impulse voltage between electrode wire and workpiece through impulse source, controlled by servo system, to get a certain gap, and realize impulse discharging in the working liquid between electrode wire and workpiece. Electrical discharge machining, or edm, shapes metal by creating sparks that melt tiny portions of the workpiece, and is an exceptionally diverse process that generates no cutting forces. Opticam can create efficient and flexible nc programs for wire edm processes regardless. Simulation is carried out with the offsets of the selected technologies. Generally speaking, the standard wire used in most edm jobs is. Dec, 2016 electrical discharge machining wire cutting edm wc is a thermal massreducing process that uses a continuously moving wire to remove material.
Fikus visualcam wire cut edm cadcam software for programming agiecharmilles, gf machining solutions, ona. Wire edm cadcam cnc software by bobcadcam bobcadcam. Wire edm from the cad model to the cutting program tebis. Autocut wedm programcontrol systembase on window xp. A white layer is considered a major flaw on a workpiece surface machined with wirecut electrical discharge machining wedm. Expert systems that apply proven, machinespecific knowledge of cutting conditions. Discover the hypercads cad software wirecutting module now. The process is best suited for applications requiring low levels of residual stress. This means that one needs to have an idea of the process. Edm and wire erosion explained wirecut technologies.
Scale since wire edm is an electrical process, any material that is nonconductive. Request pdf computer simulation of wireedm tapercutting wire electro. Hf program and control system is widely used in edm wire cut machines, it can run in two modes conventional and expanded. Wire edm fundamentals 43 the stepbystep wire edm process see figures 2. In the machining area, each discharge creates a crater in the workpiece material removal and an impact on the tool wear of the toolelectrode. A thin wire of brass, tungsten or copper is used as an electrode. Surface roughness and kerf width are of crucial importance in the field of machining processes. As long as not working in processing state, we can switch mode conveniently. A separate edm head specifically for small hole drilling is mounted on a wirecut machine and. The spark that is created by this process causes a small portion of the workpiece to melt more information about wire edm is available in the articles displayed in the menu on. The conductivity of the water is carefully controlled making an excellent environment for the edm process. The autocut wedm programcontrol system is based on windows xp operation system, consists of system software cad and cam that runs under the windows os, 4 axes motion control card thats designed to fit in a single pci slot of a pc based on pci bus, stepmotor driver circuit board of highreliability and powersaving without fans, highfrequency board with 0. Wire electrical discharge machining edm is a process of metal machining in which a tool discharges thousands of sparks to a metal workpiece. Earlier, the edm processes were mainly intended for machining of hard metals, but in todays manufacturing sector, it was used for machining of all types of conductive materials due to its ability to machine precise, complex, and irregular shapes of the surfaces.
This paper summarizes the grey relational theory and taguchi optimization technique, in order to optimize the cutting parameters in wire edm for ss304. Wire edm machine uses a metallic wire electrode to cut a programmed contour in a workpiece. Application of wire cut edm machining kingred electrical. Analysis of process parameters in wire edm with stainless. Due to the inherent properties of the process, wire edm can. In this paper, an attempt has been made to model the white layer depth through response surface methodology rsm in a wedm process comprising a rough cut followed by a trim cut. In wire edm a thin wire is used to cut the work piece. Mp cnnct 1970 1964 1980 2000 2010 1990 46 model series since 1964.
Modeling and analysis of white layer depth in a wirecut edm. All the wire edm machines at metal products are suitable for materials which are considered too hard, where adhesion is a problem for traditional machining or. In case workpieces cannot be placed flat on the table, workpieces can be made square to the top surface with sides unfinished by using a special squaring block, as shown in figure 4. Computer simulation of wireedm tapercutting request pdf. Modeling and analysis of white layer depth in a wirecut. Wire edm electrical discharge machining the wire edm process uses a thin wire to supply the electrical current to machine electrically conductive materials. It allows you to create and import part models, assign wirepath strategies, simulate and generate gcode specific to your wire machine and controller. It works with wireframe geometry or you can program directly off of surface edges. Evaluation of optimal parameters for machining with wire. Wire edm machining electrical discharge machining is an electro thermal production process in which a thin singlestrand metal wire in conjunction with deionized water used to conduct electricity allows the wire to cut through metal by the use of heat from electrical sparks. The wire edm process uses a thin wire to supply the electrical current to machine electrically conductive materials. Numerous tiny holes appears due to erosion of impulse discharging, and therefore get the needed shape of workpiece as show in figure 11. The objective of optimization is to attain the minimum kerf width and the best surface quality simultaneously and. What it takes to do unattended wire edm your fullservice.
Wedm is a specialized thermal machining process capable of accurately. Principle of edm controlled metalremoval technique where electric spark used to cut erode workpiece. Maximum reliability and greater productivity on the machine. What is electrical discharge machining and how does it work. A rotary axis also increases the variety of shapes that can be cut because the machine can combine simultaneous linear and rotary motion. Edm can be used in everything from prototypes to full production runs, and is most often used to manufacture metal components and tools. Cnc wire cut edm machine puts impulse voltage between electrode wire and workpiece through impulse source, controlled by servo system, to get a certain gap, and realize impulse discharging in the working liquid between electrode wire and workpiece. On wirecut edm machines, small hole drilling edm is used to make a through hole in a workpiece in through which to thread the wire for the wirecut edm operation. Aug 11, 2004 a white layer is considered a major flaw on a workpiece surface machined with wire cut electrical discharge machining wedm. Wire edm cutting uses rapid, controlled, repetitive spark discharges from the wire to the workpiece, thereby eroding the metal away. Synchronized computer control of the machines axes enables it to cut intricate shapes that form the periphery of the workpiece or contoured openings within.
With capabilities of wire edm, small micro hole edm drilling. Feb 15, 2002 edm for the long run to manufacture large quantities of similar parts, a georgia machine shop has found that wire edm is the ideal process. The electrode is a thin wire, with diameters that typically range from. Way more information than you ever wanted on how to fell a tree. The high energy density erodes material from both the wire and work piece by local melting and vaporizing.
Wire electrical discharge machining wedm was an important unconventional machining process. Wire edm machining electrical discharge machining is an electro thermal production process where a thin single strand metal wire, along with deionised water used to conduct electricity allows the wire to cut through metal by the use of heat from electrical sparks, while preventing rust. With over 30 years of commitment to the wire edm community, esprit is widely recognized as the market leader in cam for wire edm. These standards correspond to choices of technology on each machine. Using an energized wire to slice through metal is the essence of the wire electrical discharge machining edm process. Wire edm software supports programming open and closed shapes for 2 axis, 2 axis with taper, and 4 axis wirepath cutting. Electrical discharge machining wire cutting edmwc is a thermal massreducing process that uses a continuously moving wire to remove material. On wire cut edm machines, small hole drilling edm is used to make a through hole in a workpiece in through which to thread the wire for the wire cut edm operation. Wire edm is a complete wireframe, surface and solid modeling cadcam system that delivers ultra precision cuts with superiors finishes in an easy to use cnc programming software. Software can compensate for correcting errors created by different cutting speeds between the top and bottom shapes in the cutting of fouraxis parts, as shown. Our contouring capacity is 32 x 40 x 18 and we can wire edm pieces that are 2712 in. Paper open access related content analysis of effects of.
Edm machining, wire edm machining, conventional edm. With the optional automatic wire changer, cut 2000 or. The second type of electrical discharge machining is called wire edm and is also known as wire erosion, wire burning or spark edm. Wire cut edm machining is mainly used to process various punch tie, plastic mold, powder metallurgy mold and etc, which have 2d and 3d faces combined, or components.
We have been delivering high quality precision products to a diverse customer base for over 20 years and are proud of our reputation for excellence. The wire is usually made of brass or stratified copper, and is between 0. Effect of wire edm conditions on generation of residual. There is no physical contact between the part that is being machined and the wire. An experimental plan for rotatable central composite design of second order involving four.
The result of such an operation is a cavity which has the negative shape of the electrode. To avoid the erosion of material from the wire causing it to break, the wire is wound between two spools so that the active part of the wire is constantly changing. Influence of process parameters on the wire cut edm process the main goal of wedm manufacturers and users is to achieve a better stability of the process and higher productivity. A nonconventional process, wire edm works on parts resistant to conventional machining processes, but only if these parts are electrically conductive. Wire cut edm electrical discharge machining thomasnet.
Edm for the long run to manufacture large quantities of similar parts, a georgia machine shop has found that wire edm is the ideal process. The spark that is created by this process causes a small portion of the workpiece to melt. Rather, the wire is charged to a voltage very rapidly. Taper angles and wire edm software can help compensate for excessive erosion during taper cutting with wire edm. Gf agiecharmilles is redefining the wire edm process by making its thirdgeneration automatic wire changer available on the companys latest, highperformance cut 2000 and cut 3000 wirecutting edm machines. Decades of collaboration have led to innovative solutions optimized for individual wire edm brands and machines. Onecncxr5 wireedm 4 axis simulation of multiple passes and multiple cut offs. Bellwether has produced 95 different versions of these consumable parts that grip and carry weft yarns as they are drawn through carpetweaving machines. Our edm services offers excellence in electrical discharge machining and has been the industry leader since 1978. Wire edm innovative solutions optimized for individual wire. Tebis uses the wire edm functions in dcamcut experts integral nc programming. Adding a rotary axis to a wire edm allows the machining of multisided parts in a single setup.