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USED EDM MACHINE FOR SALE
Explore our range of high-quality EDM (Electrical Discharge Machining) machines for sale! Our EDM machines offer precision, efficiency, and reliability for your machining needs. With advanced features and cutting-edge technology, our EDM machines are capable of producing intricate shapes with tight tolerances. Whether you're in the automotive, aerospace, or mold-making industry, our EDM machines deliver exceptional performance to meet your production demands. Browse our inventory now and invest in the future of your machining operations!
FAQ
Discover essential EDM (Electrical Discharge Machining) machine FAQs. Learn about EDM's working principle, applications, advantages, and maintenance tips. Find answers to common questions on EDM machine operation, compatibility with various materials, and how to optimize performance. Get insights to make informed decisions for your machining needs
What is the EDM Machine?
The EDM (Electrical Discharge Machining) machine is a precision machining tool used to shape and fabricate metal parts through a process of electrical discharge erosion. It operates by generating electrical sparks between an electrode and a workpiece, removing material from the workpiece surface with high precision. EDM is ideal for machining intricate shapes and hardened materials.
How to use a EDM Machine?
Using an EDM (Electrical Discharge Machining) machine involves several steps to ensure precise and efficient machining of metal parts. Here’s a basic overview of how to use an EDM machine:
Preparation:
Ensure the workpiece is securely mounted on the machine’s worktable.
Install the appropriate electrode (either a tool or a shaped electrode) in the machine’s electrode holder.
Fill the machine’s dielectric fluid reservoir with the required dielectric fluid.
Setup:
Enter the desired machining parameters into the machine’s control panel, including the desired material removal rate, electrode feed rate, and spark gap distance.
Align the electrode with the workpiece surface using the machine’s positioning controls.
Start Machining:
Activate the machine’s power supply to generate electrical sparks between the electrode and the workpiece.
The electrical discharge erodes material from the workpiece surface, shaping it according to the geometry of the electrode.
The dielectric fluid serves as a medium for the electrical discharge, flushing away debris and preventing arcing between the electrode and the workpiece.
Monitoring:
Monitor the machining process closely to ensure proper material removal and electrode wear.
Adjust machining parameters as needed to maintain optimal performance and part quality.
Finishing:
Once machining is complete, carefully remove the workpiece from the machine.
Clean the workpiece to remove any residual dielectric fluid and debris.
If necessary, perform additional finishing operations such as deburring or polishing to achieve the desired surface finish.
Maintenance:
After use, clean the machine thoroughly to remove any debris or residue.
Check and replace the electrode as needed to maintain machining accuracy.
Regularly inspect and maintain the machine’s components, including the power supply, electrode holder, and dielectric fluid system, to ensure proper functionality.
Safety:
Always follow safety guidelines and procedures when operating an EDM machine, including wearing appropriate personal protective equipment (PPE) such as safety glasses and gloves.
Be cautious when working with electrical equipment and dielectric fluids, and follow all safety precautions provided by the manufacturer.
By following these steps and practicing proper safety protocols, you can effectively use an EDM machine to produce high-quality precision machined parts.
How to choose EDM Machine?
Choosing the right EDM (Electrical Discharge Machining) machine requires careful consideration of several factors to ensure it meets your specific machining requirements. Here are some key considerations to help you select the best EDM machine for your needs:
Type of EDM Machine: There are several types of EDM machines, including wire EDM, sinker EDM (also known as ram or plunge EDM), and hole drilling EDM (EDM drilling). Choose the type of EDM machine that best suits your application and machining requirements.
Accuracy and Precision: Consider the level of accuracy and precision required for your machining tasks. Look for EDM machines with advanced features such as CNC (Computer Numerical Control) capability, linear scales, and high-resolution positioning systems to achieve tight tolerances and fine surface finishes.
Material Compatibility: Determine the type of materials you’ll be machining, as different EDM machines are designed to work with specific materials and thicknesses. Ensure the machine you choose is compatible with the materials you plan to machine, including metals such as steel, aluminum, titanium, and exotic alloys.
Workpiece Size and Weight: Consider the size and weight of the workpieces you’ll be machining. Choose an EDM machine with a worktable size and weight capacity that can accommodate your largest workpieces while providing sufficient clearance for tooling and electrode positioning.
Machining Speed and Efficiency: Evaluate the machine’s cutting speed, material removal rate, and overall efficiency to ensure it meets your production requirements. Look for features such as high-speed machining capabilities, automatic tool changers, and advanced control systems to optimize productivity and reduce cycle times.
Surface Finish and Quality: Assess the machine’s capability to achieve the desired surface finish and part quality. Look for EDM machines with features such as automatic surface finish control, adaptive machining algorithms, and multi-axis machining capabilities to achieve superior surface finishes and dimensional accuracy.
Ease of Operation and Maintenance: Consider the ease of operation and maintenance of the EDM machine, including user-friendly controls, intuitive programming interfaces, and accessible service and support. Choose a machine that can be operated efficiently by your staff and maintained with minimal downtime.
Manufacturer Reputation and Support: Research the reputation and track record of the EDM machine manufacturer, including customer reviews, testimonials, and service and support capabilities. Choose a reputable manufacturer with a history of delivering high-quality machines and excellent customer service.
Cost and Budget: Finally, consider your budget and the overall cost of ownership, including upfront purchase price, operating costs, and maintenance expenses. Evaluate the ROI (Return on Investment) of the EDM machine based on its capabilities, productivity, and longevity.
By carefully considering these factors and conducting thorough research, you can choose an EDM machine that meets your specific machining needs and delivers reliable performance and quality results.
How does EDM Machine work๏ผ
An EDM (Electrical Discharge Machining) machine works by using electrical discharges to remove material from a workpiece, producing complex shapes with high precision and accuracy. Here’s an overview of how an EDM machine works:
Setup:
The workpiece, typically made of conductive material such as metal, is mounted on the machine’s worktable.
An electrode, made of a conductive material such as copper or graphite, is positioned close to the workpiece.
Dielectric Fluid:
A dielectric fluid, such as deionized water or oil, is used to fill the gap between the electrode and the workpiece. The dielectric fluid serves as a medium for the electrical discharges and helps to flush away debris from the machining area.
Electric Discharge:
An electrical potential difference is applied between the electrode and the workpiece, creating a spark or electrical discharge.
The high-energy electrical discharge generates intense heat, causing localized melting and vaporization of the workpiece material.
Material Removal:
As the electrical discharge occurs, material is removed from the workpiece surface in tiny increments. These micro-removals, or sparks, gradually shape the workpiece according to the geometry of the electrode.
The dielectric fluid helps to cool the machining area and carry away debris, preventing arcing and ensuring efficient material removal.
Controlled Movement:
The electrode and workpiece are carefully controlled and positioned relative to each other using the machine’s positioning systems. This allows for precise machining of complex shapes and contours.
Finishing Operations:
Once the desired shape is achieved, the workpiece may undergo additional finishing operations such as deburring, polishing, or surface treatment to achieve the desired surface finish and dimensional accuracy.
Advantages:
EDM machining offers several advantages, including the ability to machine intricate shapes, hardened materials, and small features with high precision.
It does not require mechanical contact between the electrode and the workpiece, making it suitable for fragile or delicate materials.
EDM is also capable of machining materials that are difficult or impossible to machine using conventional methods, such as heat-resistant alloys and hardened tool steels.
Overall, EDM machining is a versatile and precise machining process that is widely used in industries such as aerospace, automotive, tool and die making, and medical device manufacturing to produce high-quality parts with complex geometries.
What are the EDM Machine brands?
There are several reputable brands that manufacture EDM (Electrical Discharge Machining) machines, each offering a range of models and capabilities to suit various machining needs. Some of the well-known EDM machine brands include:
Makino: Makino is a global manufacturer of CNC machining centers, wire EDM machines, and other advanced manufacturing equipment. They offer high-speed and high-precision EDM solutions for various industries.
Sodick: Sodick is a leading manufacturer of EDM machines, including wire EDM and sinker EDM machines. They are known for their innovative technology, precision engineering, and reliability.
Fanuc: Fanuc is a Japanese company that produces a wide range of CNC systems and automation solutions, including wire EDM machines. They offer advanced EDM technology with features such as AI-based control systems and high-speed cutting capabilities.
AgieCharmilles (GF Machining Solutions): AgieCharmilles, now part of GF Machining Solutions, is a Swiss manufacturer of EDM machines known for their high precision, efficiency, and reliability. They offer a comprehensive range of wire EDM, sinker EDM, and hole drilling EDM machines.
Mitsubishi Electric: Mitsubishi Electric manufactures a variety of industrial equipment, including wire EDM and sinker EDM machines. They provide advanced EDM solutions with features such as automatic threading, high-speed machining, and user-friendly controls.
Charmilles (GF Machining Solutions): Charmilles, also part of GF Machining Solutions, is a well-established brand in the EDM industry, known for its precision and quality. They offer a range of wire EDM and sinker EDM machines for various applications.
ONA Electroerosiรณn: ONA Electroerosiรณn is a Spanish manufacturer of EDM machines with over 65 years of experience. They specialize in providing high-quality wire EDM and die-sinking EDM solutions for industries such as aerospace, automotive, and mold making.
Japax: Japax is a Japanese manufacturer of EDM machines known for their precision, reliability, and durability. They offer wire EDM and sinker EDM machines with advanced features for efficient and accurate machining.
These are just a few examples of the many EDM machine brands available in the market. When choosing an EDM machine, it’s important to consider factors such as machine capabilities, technology, reliability, service and support, and overall value for your specific machining requirements.
How much is an EDM Machine?
The cost of an EDM (Electrical Discharge Machining) machine can vary widely depending on several factors, including the type of machine (wire EDM, sinker EDM, or hole drilling EDM), its size, capabilities, brand, and geographic location. Generally, EDM machines can range in price from tens of thousands to several hundred thousand dollars. Here are some factors that can influence the cost of an EDM machine:
Type of EDM Machine: Different types of EDM machines (wire EDM, sinker EDM, or hole drilling EDM) have different price ranges based on their complexity, precision, and capabilities.
Size and Capacity: Larger EDM machines with higher worktable size and weight capacity typically cost more than smaller machines designed for lighter-duty applications.
Features and Technology: EDM machines with advanced features such as CNC (Computer Numerical Control) capability, automatic tool changers, high-speed machining, and multi-axis machining capabilities tend to be more expensive.
Brand and Reputation: Well-known brands with a reputation for quality and reliability may command higher prices than lesser-known brands or manufacturers.
Condition and Age: The condition and age of the EDM machine can also affect its price. Newer machines or those in excellent condition may be priced higher than used or refurbished machines.
Geographic Location: The cost of an EDM machine can vary depending on the country or region where it is purchased, due to factors such as local labor costs, taxes, tariffs, and shipping expenses.
It’s important to carefully evaluate your machining requirements and budget constraints when considering the purchase of an EDM machine. Additionally, it’s advisable to obtain quotes from multiple suppliers and compare prices and specifications to make an informed decision. Factors such as machine quality, reliability, service and support, and overall value should also be taken into consideration when determining the total cost of ownership of an EDM machine.
What is an edm machine used for?
An EDM (Electrical Discharge Machining) machine is used for precision machining of conductive materials to produce complex shapes and features with high accuracy and fine surface finishes. Here are some common applications of EDM machines:
Tool and Die Making: EDM machines are widely used in the manufacturing of molds, dies, and tooling for industries such as automotive, aerospace, and consumer electronics. They can produce intricate cavities, contours, and features in hardened tool steels and other materials.
Prototype and Small-Batch Production: EDM machines are suitable for producing prototypes and small batches of parts with complex geometries that may be difficult or impractical to machine using conventional methods. They offer flexibility and quick turnaround times for custom parts.
Aerospace and Automotive Components: EDM machines are used to manufacture critical components for aerospace and automotive applications, such as turbine blades, engine components, injection molds, and gears. They can achieve tight tolerances and high precision required for these demanding industries.
Medical Device Manufacturing: In the medical industry, EDM machines are used to produce precision components for surgical instruments, implants, and medical devices. They can machine biocompatible materials such as titanium and stainless steel with high accuracy and repeatability.
Electronics and Microelectronics: EDM machines are employed in the production of electronic components and microelectromechanical systems (MEMS). They can create fine features, micro-holes, and intricate patterns in materials such as copper, aluminum, and ceramics.
Extrusion and Forming Dies: EDM machines are used to fabricate extrusion dies and forming dies for the production of profiles, tubes, and sheet metal components. They can create complex shapes and surface textures to meet specific manufacturing requirements.
Fine Blanking and Stamping: EDM machines are utilized in the fine blanking and stamping industries to produce precision-cut parts with tight tolerances and smooth edges. They can cut intricate shapes in materials such as steel, aluminum, and copper alloys.
Overall, EDM machines offer versatility, precision, and efficiency for a wide range of machining applications across various industries, making them an essential tool for modern manufacturing processes.
How to build a small hole edm machine
Building a small hole EDM (Electrical Discharge Machining) machine is a complex task that requires advanced knowledge of electrical engineering, machining, and precision mechanics. Due to the specialized nature of EDM technology and the potential hazards involved, building an EDM machine should only be attempted by experienced professionals with the necessary expertise and resources. Here’s a general outline of the steps involved in building a small hole EDM machine:
Research and Planning: Begin by thoroughly researching EDM technology, including its principles of operation, components, and safety considerations. Develop a detailed plan outlining the design specifications, required components, and machining capabilities of the EDM machine.
Design and Engineering: Design the components of the EDM machine, including the power supply, electrode holder, workpiece holder, control system, and dielectric fluid system. Use computer-aided design (CAD) software to create detailed drawings and schematics of each component, ensuring proper fit and functionality.
Sourcing Components: Identify and source the necessary components and materials for building the EDM machine, including electrical components, mechanical parts, electrodes, and dielectric fluid. Purchase high-quality components from reputable suppliers to ensure reliability and performance.
Assembly and Fabrication: Fabricate the individual components of the EDM machine according to the design specifications. Use machining tools such as lathes, mills, and CNC machines to fabricate precision parts with tight tolerances. Assemble the components into a functional EDM machine, following the assembly instructions and wiring diagrams.
Electrical Wiring and Integration: Wire the electrical components of the EDM machine, including the power supply, control panel, and safety systems. Ensure proper grounding and electrical insulation to prevent electrical hazards and ensure safe operation. Integrate the electrical components with the mechanical components of the machine, including the electrode holder, workpiece holder, and positioning system.
Testing and Calibration: Test the functionality of the EDM machine by performing trial runs with test workpieces and electrodes. Calibrate the machine’s parameters, including voltage, current, pulse duration, and electrode feed rate, to achieve optimal machining performance. Conduct thorough testing to ensure the machine meets the desired machining specifications and quality standards.
Safety Precautions: Implement appropriate safety precautions and procedures to prevent accidents and ensure the safe operation of the EDM machine. Provide adequate ventilation and containment systems for dielectric fluid, and use appropriate personal protective equipment (PPE) when operating the machine.
Documentation and Training: Document the design, construction, and operation of the EDM machine, including assembly instructions, wiring diagrams, and operating procedures. Provide training and instruction to operators on the safe and proper use of the machine, including setup, operation, and maintenance procedures.
Building a small hole EDM machine requires a significant investment of time, resources, and expertise, and should only be undertaken by individuals with the necessary skills and experience. Alternatively, consider purchasing a commercially available small hole EDM machine from a reputable manufacturer, which may be a more practical and cost-effective solution for most machining needs.
What is cnc edm machine?
A CNC EDM (Computer Numerical Control Electrical Discharge Machining) machine is a type of electrical discharge machining (EDM) equipment that utilizes CNC technology to control and automate the machining process. CNC EDM machines are capable of producing complex shapes and features in conductive materials with high precision and accuracy. Here’s an overview of how CNC EDM machines work and their key features:
CNC Control: CNC EDM machines are equipped with computer numerical control (CNC) systems that allow for precise control of the machining process. Operators can program the machine with CAD/CAM software to define the geometry of the part to be machined and specify machining parameters such as toolpath, feed rates, and cutting parameters.
Electrical Discharge Machining: Like traditional EDM machines, CNC EDM machines use electrical discharges to remove material from the workpiece. Electrical sparks are generated between an electrode (tool) and the workpiece, causing localized melting and vaporization of the material. The CNC control system precisely controls the movement of the electrode and the machining parameters to achieve the desired shape and dimensions.
Multi-Axis Machining: Many CNC EDM machines are capable of multi-axis machining, allowing for simultaneous movement in multiple axes (typically X, Y, and Z axes) to produce complex shapes and contours. This capability enables CNC EDM machines to machine parts with intricate features and tight tolerances.
Automatic Tool Changing: Some CNC EDM machines are equipped with automatic tool changers that allow for the automatic exchange of electrodes during machining. This feature enables the machine to perform multiple machining operations without manual intervention, increasing productivity and efficiency.
Integrated Workholding and Fixturing: CNC EDM machines may include integrated workholding and fixturing systems to securely hold the workpiece during machining. These systems may include clamps, vises, or custom fixtures tailored to the specific part geometry.
Dielectric Fluid System: CNC EDM machines utilize dielectric fluid (usually deionized water or oil) to facilitate the electrical discharge machining process. The dielectric fluid helps to flush away debris from the machining area, cool the workpiece and electrode, and prevent arcing between the electrode and the workpiece.
Advanced Control and Monitoring: CNC EDM machines often feature advanced control and monitoring capabilities, including real-time feedback and monitoring of machining parameters such as spark gap distance, voltage, current, and flushing conditions. This enables operators to optimize the machining process for maximum efficiency and quality.
Overall, CNC EDM machines offer advanced capabilities for precise and efficient machining of complex parts in a wide range of industries, including aerospace, automotive, mold making, and medical device manufacturing. Their ability to produce high-quality parts with tight tolerances makes them indispensable tools in modern manufacturing operations.
How to run a wire edm machine?
Running a wire EDM (Electrical Discharge Machining) machine requires careful setup, programming, and operation to achieve accurate and efficient machining results. Here’s a step-by-step guide on how to run a wire EDM machine:
Preparation:
Ensure the workpiece is securely mounted on the machine’s worktable using appropriate clamping or fixturing methods.
Install the desired wire electrode (typically made of brass or coated with a conductive material) into the wire EDM machine’s wire threading system.
Machine Setup:
Power on the wire EDM machine and initialize the machine’s control system.
Use the machine’s control panel or computer interface to input the machining parameters, including wire diameter, cutting speed, flushing conditions, and desired machining strategy.
Set up the wire threading system to thread the wire electrode through the workpiece and guide rollers.
Adjust the machine’s positioning system to position the wire electrode at the starting point of the machining operation.
Program Execution:
Load the machining program into the machine’s control system using a USB drive, network connection, or direct input.
Verify the program’s toolpath and cutting parameters to ensure they match the desired machining requirements.
Start the machining program and monitor the machine’s operation closely during the initial stages to ensure proper wire threading and alignment.
Machining Operation:
Once the wire EDM machine is properly set up and the program is running, the machine will begin the wire cutting process automatically.
The wire electrode will be guided through the workpiece material, generating electrical sparks that erode the material and create the desired shape or feature.
Monitor the machining process for any signs of wire breakage, wire deviation, or other issues that may affect machining accuracy or quality.
Adjust machining parameters as needed during the operation to optimize cutting performance and maintain dimensional accuracy.
Finishing and Inspection:
Once the machining operation is complete, carefully remove the workpiece from the machine and inspect it for dimensional accuracy, surface finish, and any defects.
Perform any necessary finishing operations, such as deburring or surface treatment, to achieve the desired part quality.
Use precision measuring tools, such as micrometers or calipers, to verify the dimensions of the machined part and ensure it meets the specified tolerances.
Shutdown and Maintenance:
After completing the machining operation, shut down the wire EDM machine and perform any necessary maintenance tasks, such as wire threading system cleaning or electrode replacement.
Clean the work area and remove any debris or residue from the machine to maintain cleanliness and prevent contamination.
By following these steps and practicing proper safety precautions, you can effectively run a wire EDM machine to produce high-quality precision machined parts with tight tolerances and fine surface finishes.