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Premium EDM Machining Services
DEK is a leading provider of Electrical Discharge Machining (EDM) services, and we specialize in EDM technology to reliably, timely, and cost-effectively manufacture your precision, small, and complex parts.
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Top Quality EDM Machining Services
DEK specializes in precision wire EDM, providing high-precision, high-accuracy, complex parts machining services. Our sinker EDM, wire cut EDM and small hole EDM services are ideal for machining tight tolerances, small inner radius, complex shapes and extremely hard conductive materials that are difficult to machine.
With state-of-the-art equipment and machinists with excellent programming skills, we can achieve tight tolerances of 0.0025mm without leaving burrs or tool marks on the workpiece surface, faster turnaround and higher surface finish.
DEK's EDM services are ideal for commonly used parts in molds, medical, aerospace, defense, automotive, and electronic applications. For example: mold cores, threaded guides, micro-mechanical parts, aircraft engine components, etc. Our EDM services can also be combined with other machining services such as turning, milling, grinding, finishing, heat treatment, surface coating and assembly to provide a complete end-to-end solution. Let's start a new project today!
- Get an online quote in less than 6 hours
- Tight tolerances of +/- 0.0001" (0.0025mm) are achievable
- Sinker EDM, Wire EDM and Small Hole EDM
- EDM parts' quality have accredited by more than 52 mold manufacturers
- Machining Diameter from 0.5 to 42mm
materials
EDM Machining Metals
Choose from a wide range of materials for precise EDM machining solutions at DEK.
Aluminum
Alloy Steel
Brass
Bronze
Copper
Inconel
Mild Steel
Stainless Steel
Titanium
Tool Steel
Tungsten Steel
Aluminum
Aluminum is a lightweight, highly thermally conductive,highly electrical conductivity, corrosion resistance and popular metal for EDM machining.
At DEK, we specialize in machining all types of aluminum, including 6061, 7075, and 2024, you can get high precision parts such as engine parts, radiators, engine cases and more for electronics, automotive and aerospace.
Alloy
AL6061, AL6063, AL5083, AL5052, etc.
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Alloy Steel
Alloy steel is an alloy of iron (Fe) and other elements ( including carbon, chromium, nickel, and molybdenum) and is a common metal in EDM machining. It is widely used in automotive, aerospace, and tool making due to its high strength, hardness, wear and corrosion resistance.
At DEK, we specialize in machining all types of alloy steels, including 4130 and 4340.You can get high precision parts such as: bearings, gears, transmission parts and more.
Alloy
Alloy Steel 1215, 4130,4140,4340,8620,A514 etc.
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Brass
Brass is mainly composed of copper and zinc and has a yellow metallic appearance. It is widely used in electronics and construction because of its excellent workability, good electrical, thermal conductivity, corrosion resistance and excellent mechanical.
At DEK, we specialize in machining all types of brass, you can get high-precision parts such as bearings, housings, gears and more.
Alloy
Brass 260, C360, Cz121,etc
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Bronze
Bronze is a copper-tin alloy with excellent corrosion resistance, electrical conductivityand castability.
At DEK, we specialize in machining all types of bronze, including 544 and 841, and our high-precision service ensures high-quality parts for industries such as manufacturing and construction, perfect for bearings, gears, handrails, connectors, sockets, and more.
Alloy
Bronze 544, 841, 932,954, etc.
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Copper
Copper is an extremely electrically conductive metal that is widely used in electronics and automotive due to its excellent thermal conductivity, ease of processing and corrosion resistance.
At DEK, we specialize in machining all types of copper, including 101 and 110, you can get high precision parts such as: electrical connectors, housings, gears and more.
Alloy
Copper C101, C110, etc.
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Inconel
Inconel is a nickel-based alloy composed of nickel, chromium and iron, and is commonly used as a work material or electrode material in EDM processing, with excellent high-temperature strength, corrosion resistance and oxidation resistance.
At DEK, you can get high precision parts such as turbine blades, heat exchangers, pipe fittings and more for aerospace and chemical.
Alloy
Inconel 718, 625,600, etc.
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Mild Steel
Mild steel has a carbon content of between 0.05% and 0.25%，is a commonly used material for swiss cnc turning. Due to its low carbon content, it has outstanding workability and plasticity. In addition, it has good weldability and moderate mechanical properties.
At DEK, we specialize in machining all types of mild steel, including 1018 and 1215, and you can get high-quality parts such as: housings, shafts, bearings and more for construction and automotive.
Alloy
Mild Steel 1018, 1045, A36, 1215, etc.
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Stainless Steel
Stainless steel is an excellent material choice for EDM machining.Because it has good mechanical, corrosion resistance and high temperature resistance
At DEK, we specialize in machining all types of stainless steel, including 304 and 316,you can get top-quality parts for industries such as automotive, manufacturing and chemical, perfect for molds,bearings, bushings, valves, flanges, fittings and more.
Alloy
Stainless Steel 301, 303, 304, 304L, 316, 316L, etc.
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Titanium
Titanium is a lightweight, high-strength metallic material that is popular in EDM machining. It has high temperature resistance, excellent corrosion resistance and biocompatibility.
At DEK, we specialize in machining all types of titanium, including Grade 2 and Grade 5.You can get high quality parts such as: engine parts, engine block, artificial joint and more for aerospace and medical.
Alloy
Titanium Grade 1, Grade 2, Grade 5, etc.
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Tool Steel
Tool steel is mainly composed of carbon, chromium, molybdenum, cobalt and other metal elements, is a high-quality high-alloy steel, with good hardness, wear resistance and heat treatment properties.
At DEK, we specialize in machining all types of tungsten steel, you can get high precision parts such as turbine shafts, bearings, gears, pins, bushings and more for aerospace and machinery manufacturing.
Alloy
Tool Steel A2, A3, D2,S7, etc.
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Tungsten Steel
Tungsten steel is an alloy composed of elements such as tungsten, cobalt and carbon, with high hardness, high wear resistance, good electrical conductivity and corrosion resistance, it is a commonly used electrode material for EMD.
At DEK, we specialize in machining all types of tungsten steel, you can get high precision parts such as bearings, seals, injection molds, valves and more for mold making, automotive and aerospace.
Alloy
Tungsten Steel YG6, YG8, YG15, YL50, etc.
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surface finishing
One-stop Surface Finishing
Experience excellence with our surface finishing options for EDM machining. We offer a variety of techniques to enhance the appearance and performance of your precision components.
Anodizing
Anodizing is an electrochemical process that enhances metals' corrosion resistance, durability, and appearance, particularly aluminum.
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Black Oxide
Get functional and aesthetic benefits in one with Black Oxide surface finishing. It's a matte black finish that also adds protection to metals, reducing corrosion and wear over time.
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Bead Blasting
We can effectively remove rust, paint, scale, and other contaminants from various surfaces using bead blasting. Get a uniform and matte finish on surfaces to enhance the aesthetic appeal of the material.
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Polishing
We enhance the visual appeal of components by providing a smooth and reflective finish with our polishing services. Polished surfaces can also serve as excellent bases for coatings, providing better adhesion and a more uniform finish.
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Electropolishing
Electropolishing enhances the corrosion resistance of metal by removing impurities and creating a clean, passive surface.
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Heat Treatment
Improve the physical and mechanical properties of materials through heat treatment. Improve hardness, increase strength, enhance toughness, stress relief, and more.
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Passivation
We form a thin, inert layer on the material's surface that protects it from environmental factors that could lead to corrosion. Passivation is commonly used in metals like stainless steel and aluminum.
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Laser Marking
We provide high precision and accuracy, enabling intricate designs, fine details, and small text to be marked clearly on a wide range of materials, including metals, plastics, glass, ceramics, and more.Choose our laser marking service!
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Electroless Nickel Plating
DEK offers electroless nickel plating’s adjustable hardness levels, can be engineered to be non-magnetic, adheres tightly to substrates, and the thickness is precisely controllable.
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Nickel Plating
A uniform thickness and smooth finish contribute to an aesthetically pleasing appearance and consistent protective qualities. We ensure our process results in materials that can withstand friction and abrasion for a longer lifespan. Trust our nickel plating service!
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Zinc Plating
The compatibility of zinc plating with various materials adds to its appeal, while its ease of application and established use make it a readily available option.
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DLC Coating
The low friction coefficient of DLC coatings reduces resistance between surfaces, providing durability to components like tools and mechanical parts.
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PVD Coating
We offer a wide range of decorative finishes with PVD coating, including various colors and aesthetic effects. This process can also make materials more resistant to wear, abrasion, and scratching.
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Powder Coating
Get a resilient finish that is resistant to chipping, scratching, and fading. Powder coating is your low-cost, eco-friendly finish that has long-term benefits, including reduced maintenance and enhanced longevity
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Media Blasting
We commonly use media blasting in restoration projects to clean and rejuvenate surfaces without causing damage. We can effectively remove years of grime, corrosion, or coatings from historical or vintage items.
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Vapor Polishing
Vapor Polishing-the best technique for polishing the surface of 3D-printed objects, particularly those made with thermoplastics like ABS (Acrylonitrile Butadiene Styrene), helps to reduce layer lines and imperfections, giving the object a more polished appearance or glossy finish.
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Vapor Smoothing
Fine details and intricate features of a 3D print can be enhanced through vapor smoothing. We can significantly improve the overall surface finish of 3D printed objects to make them look more polished and professional. It helps to eliminate layer lines and gives the object a smoother appearance.
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Precision Machining Tolerance Table
| Category | Metal | Plastic |
|---|---|---|
| Linear Dimensions | +0.01mm | 10.05mm |
| Diameter | +0.002mm | +0.02mm |
| Precise Hole | +0.002mm | +0.02mm |
| Chamfer Heights | +0.02mm | +0.05mm |
| Angular Dimensions | +0°5 | +19 |
| Straightness | +0.002mm | +0.02mm |
| Flatness | +0.002mm | +0.01mm |
| Perpendicularity | +0.002mm | +0.01mm |
| Symmetry | +0.002mm | +0.01mm |
| Concentricity | +0.002mm | +0.01mm |
| Parallelism | +0.002mm | +0.01mm |
Tolerances listed here are minimums for an ideal case. Looser tolerances may be required depending on process, material choice, or part geometry.
If you have no detailed requirements for product tolerance, we can follow the following general ISO2768 tolerance table.
Instant & Accurate Quotes
We will thoroughly review each drawing and provide accurate quotes.
We don't use online automated quotation tools, because it is very inaccurate. Online quote platforms rely solely on calculations based on cutting amounts and fixed coefficients, they fail to account for actual processing nuances, such as material deformation after heat treatment, tight tolerance requirements, grinding after heat treatment, etc. Consequently, automated price calculations can lead to inaccuracies, ultimately increasing your costs.
But you can rest assured at DEK!
Our quotations are both cost-effective and accurate because we have a team of professional mechanical engineers who meticulously review each drawing. These engineers boast over 10 years of experience and possess deep expertise in programming, machine operation, post-processing, material properties, and more. Ensure you will get accurate quotes within 6 hours.
PRODUCTION CAPACITY
Production Capacity Guarantee
With perfect production and quality process, you can place your order with confidence.
Advanced CNC Machine Shop
DEK has a series of advanced EDM machining equipment, including wire cutting machines, EDM forming machines, EDM small hole machining machines and CNC EDM machines.
These modern machines are not only capable of efficiently processing all kinds of complex shapes and high-precision requirements, but also ensure that each part meets the tight tolerances and surface finish standards to satisfy customers' needs for high-quality products.
Quality Control
We follow a strict quality inspection process, including IQPC, QE, OQC, and use CMM, height gauge, projector, caliper, hardness tester, spectrometer instruments for high-precision dimensional and hardness inspections.
In addition, our quality staff conducts a thorough cosmetic inspection using surface roughness meters and microscopes to ensure that there are no scratches or burrs. Each part is rigorously inspected at any stage of production to ensure that the final product fully meets your specifications and quality requirements.
Professional Packaging
We package our products with rust-proof paper, plastic bags and foam according to the size and characteristics of the parts. After sealing with tape, we label each package so that you can quickly identify the contents of the goods.
After the initial packaging is completed, we will put it in a 5-layer corrugated box or wooden box, and fix it with pearl cotton or fill it with bubble film to prevent damage caused by transportation. We will also attach a packing list to the outer box, which can not only effectively protect your EDM parts, but also facilitate your inspection and confirmation of the goods.
Global Shipping
We have rich experience in global transportation and cooperate with many international transportation or express companies, and are committed to providing you with the most convenient and economical logistics services.
We will provide personalized transportation solutions according to your order:
For small quantities of products, you can choose DHL, FedEx, UPS and other international express or air transportation to ensure fast delivery;
For products with larger volume and weight, we will suggest you to use sea or truck transportation to save cost.
No matter which mode of transportation you choose, we will do our best to make sure your products arrive at the destination safely and quickly.
Our Advantages
2300+ Engineers Love Work With Us
Reduce Cost
DEK's EDM can significantly reduce expenses, and we use state-of-the-art equipment to increase production efficiency. Purchasing raw materials in bulk reduces procurement costs by around 40%, ensuring your projects stay within budget and maintain high quality
High Precision
DEK has specialized in EDM machining for many years and can achieve tight tolerances of +/-0.0025mm, EDM tools never physically come into contact with the part being machined, creating a superior surface finish.
Professional Engineer Team
DEK's engineers have more than 10 years of rich experience in EDM machining and can skillfully use CAD software to provide professional solutions for your projects. From concept design to production assembly, our engineering team is always there!
On-demand Production
From 1 to 100k+, no matter prototype production, low volume manufacturing, or mass production, our EDM machining services can support you to achieve.
Swift Delivery
DEK has established a long-term good relationship with UPS, FedEX, DHL and other courier companies, which can provide global transportation services for your project, guaranteeing the timely delivery of goods, and delivering the goods to you within 3 days at the earliest.
24/7 Engineering Support
Our professional engineers are available online 24/7 to answer any questions you may have about your EDM machining project.We are always available to provide technical support to ensure that your project is completed on time and within budget.
Testimonials
Bonifacio Rossi
Prototype tool design at Impel(Italy)
Aaron Barber
Prototype tool design at Impel(England)
Our Ordering Process
Different from the Internet quote platforms, we produce and complete all the details of your parts in our own factory. Each step is professional and reliable, ensuring you can rest assured.
1
Send RFQ
Send RFQ with 2D/3D drawings and detailed requirements via Email or online form.
2
Review & Quote
Our Engineer team will review every drawing carefully and provide an accurate quote within 6 hours.
3
Confirm Order
Confirm the quote, details and delivery schedule, then sign the contract.
4
Production
Arrange production process, start programming and machining.
5
Quality Control
Strict quality control during production and final inspection.
6
Packaging & Shipping
Pack the parts, attach part identification labels, and start shipping.
Send RFQ 222
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Review & Quote
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Confirm Order
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Production
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QC
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Delivery
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FAQ
EDM Machining Services Buying FAQs
EDM machining is suitable for hardened steels, conductive alloys and materials that have reached the limits of conventional machining, such as tungsten steel, stainless steel, nickel-based alloys, titanium and copper.
EDM machines come in several types, including wire EDM, sinker (or die-sinking) EDM, and hole drilling EDM. The best choice depends on your specific application needs, such as the material you are working with, the complexity of the parts, and the precision required.
DEK can provide you with high-precision and high-accuracy parts, which can make your price more competitive in large-volume processing, reduce production time, shorten delivery time, and win higher profits for your project!
Our EDM machining services cater to various industries, including aerospace, automotive, medical, electronics, tool and die making, and mold manufacturing. We are equipped to serve any industry requiring high-precision components or intricate shapes.
Consider factors like electrode wear, tolerances, and the desired surface finish when designing for EDM machining, and our team is ready to offer guidance for the best results.
Yes, we have the capabilities to accommodate both prototype and production runs. Whether you need a single prototype or a large volume of parts, we can meet your requirements efficiently.
Our turnaround time depends on the complexity and volume of the project. We work closely with our clients to establish realistic delivery schedules, ensuring that projects are completed promptly without compromising on quality. Typically, turnaround times range from days for prototypes to weeks for larger production runs.
We employ a combination of cutting-edge EDM technology, skilled operators, and stringent quality control processes to ensure precision and accuracy. Our team conducts thorough inspections, utilizes measuring instruments, and adheres to strict quality standards to guarantee that every finished product meets your specifications.
We do not have strict minimum order requirements. We are flexible and willing to work with clients on projects of all sizes, whether it's a single part or a large production run.
Yes, we offer expedited services for urgent projects. If you have a time-sensitive project, please contact our team, and we will do our best to accommodate your needs. We understand the importance of meeting tight deadlines and can work with you to ensure your project is delivered promptly.
Get An Accurate Quote For Your Next Projects
No matter your project is complicated or simple, no matter is metal or plastic, you will get an accurate quotation within 6 hours.
Get A Quote TodayTECHNOLOGY OVERVIEW
Knowledge of EDM Machining
What is EDM Machining?
Electrical Discharge Machining (EDM) is a precision metalworking process that employs electrical sparks to shape and remove material from a workpiece. This method relies on controlled electrical discharges, akin to tiny controlled lightning bolts, to erode metal precisely. It is a highly precise machining technique used for intricate and delicate work.
EDM machining is accomplished by sending an electrical discharge (a spark) between an electrode and the workpiece, which is submerged in a dielectric fluid to prevent premature spark formation. This spark generates intense heat, melting and vaporizing a minuscule portion of the workpiece. Repeated sparking gradually sculpts the desired shape with remarkable precision, allowing for intricate and complex geometries.
EDM machining finds widespread use in industries requiring exceptional accuracy, such as aerospace, medical device manufacturing, and tool and die production. Its ability to work with exceptionally hard materials and create intricate features makes it a valuable tool for crafting precision components and molds. EDM machining stands out as a specialized, high-precision manufacturing technique in the realm of modern industry.
What are the advantages of using EDM Machining?
EDM machining offers precision, versatility, and minimal heat generation, making it ideal for intricate shapes and hard materials in various industries. Here are the advantages of EDM Machining:
- Precision: EDM ensures highly accurate results.
- Versatility: It works with various tough materials.
- Minimal Heat: Little risk of heat-related distortion.
- Non-Contact: Suitable for delicate workpieces.
- Complex Geometries: Creates intricate shapes with ease.
- Minimal Mechanical Stress: Reduces the risk of damage.
- Intricate Detailing: Allows for fine, detailed work.
When will need EDM Machining?
EDM machining is essential when precision, intricate shapes, and the machining of hard materials are critical in manufacturing processes. Here are some use cases:
- Hard Materials: Working with exceptionally hard materials such as titanium or carbide.
- Intricate Shapes: Creating complex, detailed, or fine features.
- High Precision: Requiring exceptional accuracy in the final product.
- Heat Sensitivity: Minimizing heat-related distortion or stress on the material.
- Delicate Components: Working on fragile or thin-walled parts.
- Tool and Die Making: Crafting molds, dies, or tooling for manufacturing.
- Aerospace and Medical: Industries that demand high precision and stringent quality standards.