Sundi Tools Tue, 16 Apr 2024 07:58:11 +0000 en-US hourly 1 Punch and Die Fabrication for Stamping Dies Wed, 10 Apr 2024 03:23:54 +0000

Punch and Die Fabrication for Stamping Dies

The world of manufacturing is vast and intricate, teeming with processes that blend the marvels of engineering and technology to create the backbone of our modern society. At the heart of this industrial ballet are punch and die fabrication methods, particularly for stamping dies, which stand as pivotal components in shaping metals and materials into the myriad forms we rely on daily. This article delves into the nuanced world of punch and die fabrication, offering insights into its significance, processes, and how selecting the right fabrication manufacturer can revolutionize the stamping die sector.

What is Punch and Die Manufacturing

Punch and Die components are essential tools in the manufacturing process, particularly in sheet metal fabrication. They are used in a punch press to cut holes and shapes into metal by shearing. The punch is a hard metal rod with a shaped tip that matches the desired cutout shape. The die, on the other hand, is a flat metal piece with a hole that corresponds to the punch’s tip. When the punch press forces the punch into the die, the material lying between them is cut or shaped accordingly.

Materials for Punch and Die

At the core of punch and die manufacturing is the choice of material, which dictates the performance and longevity of the final product. High-carbon steel offers resilience and toughness, making it a staple for general applications. On the other hand, tungsten carbide, with its exceptional hardness and resistance to wear, is favored for high-volume or demanding tasks, providing the durability needed for the relentless nature of stamping operations.

The Manufacturing Process

The journey from raw material to finished punch and die involves several meticulously planned steps. It begins with design, where cutting-edge CAD software plays a crucial role in mapping out the intricate details of each component. This is followed by the machining process, often executed with precision CNC machines that sculpt the material into the desired shapes with astonishing accuracy. The final touches include polishing and applying coatings that enhance the tool’s performance and resistance to wear.

The Role of Punch and Die in Stamping

Stamping dies are marvels of engineering designed to cut and shape material through sheer force, using punch and die sets that work in harmony to produce parts with precision. The versatility of stamping dies allows for a wide range of operations, from simple shapes to complex components integral to various industries. Customization plays a key role here, allowing for the adaptation of punch and die sets to meet the unique requirements of each manufacturing challenge, from automotive parts to intricate electronic components.

Advantages of our Qualified Punch and Die Fabrication

Generally ,Durability ensures that tools can withstand the rigors of production without frequent replacements, while precision engineering guarantees the accuracy of each stamped piece, reducing waste and improving efficiency. Moreover, quality fabrication contributes to the overall smoothness of the manufacturing process, with fewer interruptions and consistent output.

  • Improve tooling life by 50-100%
  • Higher resistance for certain precision metal stamping operations
  • Reduce the maintenance of metal stamping
  • Less downtime when the spare parts need to be replaced

How to Choose a Punch and Die Fabrication Manufacturer

Selecting the right manufacturer for punch and die fabrication is a decision that holds profound implications for the quality and efficiency of stamping operations. Key considerations include the manufacturer’s experience and expertise, which ensure a deep understanding of the nuances of punch and die fabrication. Equally important is the ability to offer customized solutions, adapting to the specific needs of each project with innovative designs and materials. Lastly, a commitment to quality assurance and comprehensive support underscores a manufacturer’s dedication to their craft and their clients, promising a partnership that extends beyond mere transactional interactions

Future Trends in Punch and Die Fabricatio

As we look to the future, punch and die fabrication is poised at the brink of transformation, driven by technological innovations and a growing emphasis on sustainability. Advancements in materials science promise tools that are not only more durable but also environmentally friendly, reducing the ecological footprint of manufacturing processes. Furthermore, digital technologies, including AI and machine learning, offer unprecedented precision and efficiency, heralding a new era of manufacturing that is smarter, faster, and more responsive to the demands of the market.


The realm of punch and die fabrication for stamping dies is a testament to the ingenuity and innovation that drive the manufacturing industry forward. By understanding the intricacies of this field, manufacturers can make informed decisions that enhance the quality, efficiency, and sustainability of their operations. As we embrace the future, the continuous evolution of punch and die technology promises to redefine the boundaries of what is possible, ensuring that the industry remains at the forefront of manufacturing excellence.

How to choose proper material for punch tooling Tue, 09 Apr 2024 09:02:37 +0000

How to choose proper material for punch tooling ?

What is Punch Tooling

Punch tooling plays a pivotal role in manufacturing, used to create holes or shape materials through a punching process. The durability, resistance, and overall performance of punch tools are directly influenced by their material and coating. Understanding these components is the first step toward making informed decisions.

How to Choose Proper Material and Coating for Punch Tooling

Selecting the appropriate material and coating for punch tooling is crucial for optimizing performance, extending tool life, and ensuring quality outcomes in manufacturing processes. This decision can significantly impact the efficiency and cost-effectiveness of operations. This article delves into the essentials of choosing the right materials and coatings for punch tooling, providing valuable insights for professionals in the field.

-Materials for Punch Tooling

Several materials are commonly used in punch tooling, each with unique properties and applications.

  • High-Speed Steel (HSS)

High-Speed Steel is renowned for its durability and resistance to high temperatures, making it ideal for high-volume punching operations. HSS tools are versatile and can be used in various applications, although they may require frequent sharpening over time.

  • Carbide

Carbide tools, known for their extreme hardness and wear resistance, are suitable for demanding applications. They offer longer service life compared to HSS tools but at a higher cost.

  • Powdered Metals

Powdered metals are used to create tools that combine the toughness of HSS with the wear resistance of carbide. This material is beneficial for complex or high-precision punching tasks.

-Factors to Consider

When navigating the complexities of choosing materials and coatings for punch tooling, several critical factors come into play. These considerations ensure that the tooling not only fits the immediate needs of your operation but also provides longevity and efficiency over time.

  • Application Specifics

The material being punched (metal type, thickness), the punching process (speed, volume, precision), and the environment (temperature, presence of corrosive elements) dictate the selection of materials and coatings. For instance, abrasive materials may require carbide tools with a diamond-like carbon (DLC) coating for enhanced wear resistance.

  • Durability

Durability is paramount in high-volume manufacturing settings where tools must withstand repeated use without degradation. Materials like carbide and coatings such as titanium carbo-nitride (TiCN) offer enhanced durability, reducing the need for frequent tool replacements.

  • Longevity

Longevity ties closely with durability but focuses on the tool’s life over extended periods and under continuous operation. Factors influencing longevity include the material’s inherent toughness, resistance to wear and corrosion, and the effectiveness of the coating in protecting the tool’s surface.

  • Cost

Initial cost vs. lifetime value is a crucial consideration. While high-quality materials and advanced coatings may present a higher upfront cost, their longer life and reduced maintenance needs can offer greater value over time. Analyzing the cost-benefit ratio of different material and coating options can guide you toward a financially sound decision.

  • Compatibility

Ensuring that the chosen material and coating are compatible with the workpiece material and the operational environment is crucial. Incompatible choices can lead to increased tool wear, product defects, or even tool failure.

  • Maintenance Requirements

Consider the ease of maintenance and the ability to re-coat or refurbish the tooling. Some materials and coatings may be more challenging to maintain but offer superior performance, requiring a balance between maintenance ease and operational efficiency.


When selecting materials and coatings for punch tooling, consider the application specifics, durability, longevity, and cost. The right choice balances performance requirements with budget constraints.

Technical Documentation Tue, 02 Apr 2024 01:41:44 +0000

Technical Documentation

The purpose of sundi's blog is to share our hard-earned knowledge of prototyping. We hope these posts will help you optimise your product design and better understand the world of rapid prototyping. Enjoy!

Punch and Die Fabrication for Stamping Dies

Punch and Die Fabrication for Stamping Dies

Introduction to the importance and application of punch and die fabrication in manufacturing,

How to choose proper material for punch tooling

How to choose proper material for punch tooling

Overview of common materials used in punch tooling and their properties.

Download Center Mon, 01 Apr 2024 06:38:52 +0000

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Feel free to browse and download our product catalogues

Download Center

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punch tooling Catalog


die tooling Catalog

Company Presentation Catalog

punch tooling Catalog


die tooling Catalog

Company Presentation Catalog

Wear Parts Sun, 04 Feb 2024 02:12:49 +0000

Wear Parts

Upgrade to Sundi's wear parts for unparalleled durability and performance. Engineered for toughness, our parts reduce downtime and enhance efficiency. Trust Sundi for wear parts that keep your machinery at peak performance, ensuring your operations run smoothly and reliably。

A Wear Parts Maker For Various Indutries

Seeking a reliable, responsive OEM supplier for making customized wear parts? whatever small volume or mass quantity, we will turn your idea into tangible, high-quality parts.

Wear parts play a pivotal role across various industries by enhancing the durability and efficiency of mechanical equipment. By protecting more critical parts of machinery from damage, wear parts extend the overall lifespan of equipment, ensuring consistent performance even under harsh operating conditions. The wear parts from Sundi Tools not only lead to cost savings in terms of reduced replacement and repair expenses but also improves operational efficiency by minimizing disruptions and maintaining high productivity levels.

Wear Parts
Wear Parts

What We Can Do For You

  • Superior Material Quality

    We use high-grade materials, ensuring our wear parts offer unmatched wear resistance and longevity.

  • Advanced Manufacturing Techniques

    Our parts boast precise dimensions and optimal material properties by utilizing state-of-the-art manufacturing processes

  • Customized Solutions

    We understand that each application has unique requirements, ensuring perfect fit and function.

  • Cost-Effectiveness

    Our wear parts provide significant cost savings over the equipment's lifespan.

  • Technical Support

    Our expert team is available to provide technical support and advice.

Showcase of Our Common Products

Wear Parts come in various shapes and sizes,material, tailored to create a wide range of good performance critical parts for different application.

Material Selection

Each of these materials brings specific advantages to wear parts, from hardness and wear resistance to corrosion resistance and lightweight properties. The choice of material is critical and depends on the operating conditions, environmental factors, and performance requirements of the part in question.

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Materials: Tungsten carbide, titanium carbide

Applications: These materials are extensively used in cutting tools, drill bits, and in mining and construction equipment due to their exceptional hardness and resistance to wear.

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Metallic Alloys

Materials: Stainless steel, high-speed steel, nickel-based alloys.

Applications: Metallic alloys are used in gears, bearings, and other moving parts in automotive, aerospace, and industrial machinery, where toughness and resistance to high temperatures and corrosion are crucial.

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Materials: Alumina (Al2O3), silicon carbide (SiC), zirconia (ZrO2).

Applications: Ceramics are favored for their wear resistance and thermal stability, making them suitable for applications in the aerospace industry, automotive components (like brake pads), and in the processing of abrasive materials.

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Composite Materials

Materials: Metal matrix composites (MMC), ceramic matrix composites (CMC), carbon-carbon composites.

Applications: Composites are used in aerospace components, automotive parts, and industrial machinery where a combination of light weight, high strength, and wear resistance is required.

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Polymers and Polymer-Based Composites

Materials: Ultra-high-molecular-weight polyethylene (UHMWPE), polytetrafluoroethylene (PTFE), and reinforced plastics.

Applications: These materials are used in low-load applications like gears and bearings in food processing machinery, and in any application where chemical resistance and a low coefficient of friction are important.

Various of Coating

Each coating type offers unique benefits, such as improved hardness, corrosion resistance, and reduced friction, tailored to extend the life and enhance the performance of wear parts in their specific applications.

Coating TypeColorThickness (Typical)Applications
Hard Chrome PlatingSilver-gray1-20 µmHydraulic rods, automotive components, and moving parts
Thermal Spray CoatingsVaries with material20-500 µmAerospace components, industrial machinery, oil & gas parts
Physical Vapor Deposition (PVD)Gold, black, silver, etc.1-5 µmCutting tools, dies, molds, medical devices
Chemical Vapor Deposition (CVD)Varies with material1-20 µmHigh-speed cutting tools, bearings, aerospace components
Anodizing (for Aluminum Parts)Can be dyed various colors5-25 µmAerospace and automotive aluminum parts, consumer electronics
Electroless Nickel PlatingSilver to light gray5-100 µmOil & gas components, automotive parts, chemical processing equipment

Connect with the Sundi Tools Sales Team

Sundi Tools has decades years of experience in designing and precision fabrication with initial on-site consultation, Contact our sales team,you will get a quick reply.

The Common Issues For Wear Parts

When using wear parts in various applications, several common issues can arise, affecting their performance and lifespan. Understanding these challenges is crucial for selecting the right materials and design strategies to mitigate potential problems.

  1. Abrasive Wear: This occurs when hard particles or surfaces remove material from the wear part, leading to gradual degradation. It’s common in environments with sand, dust, or other abrasive materials.
  2. Adhesive Wear: Also known as galling or scuffing, adhesive wear happens when two metal surfaces slide against each other, leading to material transfer or welding at the contact points. This is often seen in parts with poor lubrication or incompatible material pairings.
  3. Corrosive Wear: This involves the chemical or electrochemical reaction between the wear part and its environment, leading to material loss. It’s prevalent in parts exposed to corrosive substances or extreme pH conditions.
  4. Impact Wear: Sudden and forceful impacts can cause deformation, cracking, or breakage in wear parts. This type of wear is common in industries like mining and construction, where heavy materials are handled.
  5. Fatigue Wear: Repeated stress and strain cycles can lead to fatigue wear, causing cracks and material failure. This is often seen in rotating parts like bearings and gears.
  6. Erosive Wear: Caused by the action of solid or liquid particles impinging on the surface of a wear part, erosive wear can lead to significant material loss, especially at high velocities or in turbulent flow conditions.
  7. Thermal Wear: High temperatures can degrade materials through oxidation, softening, or thermal cycling, leading to reduced wear resistance and failure in high-temperature applications.
  8. Mismatched Material Properties: Selecting materials that are not suited to the specific wear conditions (like hardness, toughness, and thermal stability) can lead to premature failure.
  9. Improper Design: Wear parts that are not designed with the specific application and wear mechanisms in mind can suffer from increased wear rates and reduced effectiveness.
  10. Inadequate Maintenance: Lack of proper maintenance can exacerbate wear issues, leading to unexpected failures and downtime.

Metal Stamping Fri, 02 Feb 2024 07:56:51 +0000

Metal Stamping ​ Service

As a forefront precision manufacturer, we excel in metal stamping, swiftly turning concepts into high-quality realities. Leveraging advanced technology and expert craftsmanship, we ensure a seamless journey from idea to product. Our rapid response and efficiency set new benchmarks, making us your trusted partner in today's fast-paced market.

Our Metal Service for  Demanding Customers

Metal stamping is a transformative manufacturing process that artfully shapes metal into precise and intricate parts used in countless applications around the globe. From the sleek contours of automotive bodies to the compact components within your favorite gadgets, metal stamping plays a pivotal role in bringing innovative designs to life.

Why Metal Stamping Stands Out

  • 1


    metal stamping offers the flexibility to produce a wide range of products with varying complexities and materials.

  • 2


    Through advanced engineering and state-of-the-art tooling, metal stamping achieves unparalleled accuracy and consistency.

  • 3


    Ideal for high-volume production, metal stamping provides an economical solution without compromising quality.

Our Metal Stamping Service

  • Personalized Options

    Products customizable to meet client-specific requirements.

  • Design Support

    Professional design assistance and technical consultancy provided to help clients achieve specific project goals.

  • Quality Standards

    Adherence to quality management systems like ISO certifications and industry-specific standards.

  • Advanced Manufacturing Technology

    Utilization of cutting-edge stamping and manufacturing technologies, including innovative machinery and processes.

  • Rapid Response

    Easy access for clients to obtain custom quotes and consultation.

Applications Of Metal Stamping Parts

Electronics: Connectors and Terminals


  • Connectors and terminals are integral components in electronic devices, facilitating electrical connections between various parts. These components are often produced through precision stamping processes to achieve the required small dimensions and intricate


  • They are found in smartphones, computers, household appliances, and any device requiring electrical circuits. The precision and reliability of stamped connectors and terminals are crucial for the overall performance and longevity of electronic devices.

Semiconductors :Lead Frames


  • Lead frames are the metal structures inside semiconductor packages that provide electrical connections from the silicon chip to the external leads of the package. Stamping is used to manufacture these frames, requiring high precision to ensure proper chip placement and connectivity.


  • Lead frames are essential in the production of integrated circuits (ICs) and various semiconductor devices. The accuracy and quality of stamped lead frames directly affect the efficiency and reliability of semiconductor components.

Automotive :Chassis Components


  • The chassis forms the car's structural framework, including parts like brackets, beams, and supports. These components are often produced using heavy-gauge stamping processes, which can handle the larger, more robust parts needed for automotive construction.


  • Stamped chassis components are critical for the vehicle's structural integrity, safety, and performance. They need to be strong enough to withstand stress and impact while also contributing to the vehicle's overall weight reduction efforts for improved fuel efficiency.

Metal Stmaping Parts Making Process

The process of creating stamped products from design to finished product typically involves the following steps, each step is crucial to ensure the final stamped product meets the desired quality, functionality, and durability standards.

1.Design and Engineering

The process begins with a detailed design phase where engineers create product designs using CAD software.

2.Prototype Development

Often, a prototype is made to test the design's functionality, fit, and durability by 3D printing or a simplified stamping process.

3.Tool and Die Making

Based on the final design, specialized tools and dies are produced and assembled at our workshop,quick action for any adjustment.

4.Stamping Process

The chosen material is stamped by the custom-made dies through processes such as punching, bending, drawing, and coining.

5.Surface Finishing

The stamped products might undergo surface finishing treatments for aesthetic and functional purposes.

6.Inspection and Quality Control

Throughout the manufacturing process ,the stamping parts are inspected for quality and conformity to design specifications.

The Material For Metal Stamping

Stamping products are manufactured using a wide variety of materials, each selected based on the specific requirements of the final application, including strength, durability, conductivity, and corrosion resistance. Here are some commonly used materials in stamping

Metal MaterialTypical Thickness Range
Aluminum0.002 inches (0.05 mm) to 0.25 inches (6.35 mm)
Cold Rolled Steel (CRS)0.002 inches (0.05 mm) to 0.25 inches (6.35 mm)
Stainless Steel0.0012 inches (0.03 mm) to 0.25 inches (6.35 mm)
Brass0.005 inches (0.13 mm) to 0.25 inches (6.35 mm)
Copper0.002 inches (0.05 mm) to 0.25 inches (6.35 mm)
Galvanized Steel0.002 inches (0.05 mm) to 0.25 inches (6.35 mm)

Connect with the Sundi Tools Sales Team

Sundi Tools has decades years of experience in designing and precision fabrication with initial on-site consultation, Contact our sales team,you will get a quick reply.

Frequently Asked Questions About Our Metal Stamping Service


Most frequent questions and answers

Absolutely. We pride ourselves on our ability to tailor our metal stamping services to meet the unique needs of each project, including specific shapes, materials, and finishes. Our team works closely with clients to ensure their exact specifications are met.

Our MOQ varies depending on the complexity and specifications of the project. However, we strive to accommodate orders of all sizes, including low-volume runs for prototypes and specialized projects. We’re here to discuss your needs and find a solution that works for you.

Yes, we offer comprehensive design and engineering support to ensure manufacturability and optimize the performance of your parts. Our experienced team is equipped to provide insights and suggestions from the initial concept to the final product.

We work with a wide range of materials including, but not limited to, steel, stainless steel, aluminum, brass, and copper. Our team can also accommodate special material requests based on your project’s specific needs.

Our commitment to quality is backed by strict quality control processes and adherence to industry standards. We hold various certifications, such as ISO, which testify to our rigorous quality assurance practices, ensuring every part meets the highest standards.

Lead times can vary based on the project’s complexity and volume. However, we prioritize efficient production and work diligently to meet your deadlines, offering expedited services for urgent requests.

Yes, we offer a range of secondary operations including welding, plating, assembly, and more. Our goal is to provide a comprehensive service that meets all your project requirements in-house.

Our team is well-equipped with advanced technology and extensive expertise to handle complex and high-precision projects. We engage in thorough planning and prototyping to ensure the highest accuracy and quality in the final product.

We are committed to sustainability and can incorporate eco-friendly features into mold designs when requested. We consider material selection and design aspects to promote sustainability.

Pricing is determined based on several factors including material choice, complexity of the design, order volume, and required secondary operations. We provide transparent quotes and work with you to find cost-effective solutions for your project.


Certainly. We have a portfolio of successful projects across various industries that we’d be happy to share. These case studies demonstrate our capabilities and the trust our clients place in us for their metal stamping needs.



Presicion Grinding Wed, 31 Jan 2024 10:31:14 +0000

Precision Grinding

Elevate with Sundi's Grinding Excellence: Our advanced grinding technology ensures unmatched accuracy and surface finish, enhancing the stability of your parts. Benefit from competitive pricing and precision engineering

What is precision grinding

Precision grinding is a machining process used to achieve high dimensional accuracy and surface finish in manufacturing. This process involves removing small amounts of material from a workpiece using abrasive cutting tools like grinding wheels or belts. Precision grinding is typically used where the tolerance of the finished product is very tight, and surface finish quality is critical

Currently, our facility is equipped with 16 surface grinders, 2 large water grinders, 2 optical profile grinders, and several cylindrical grinders. This array of advanced machinery enables us to work with various materials, including different types of steel and tungsten steel. Whether it’s square or round parts, our equipment is adept at handling diverse shapes and sizes, ensuring precision in every project.

Why Choose Us

  • Exceptional Accuracy

    Our precision grinding achieves exceptionally tight tolerances, ideal for critical and high-precision components in various industries, ensuring dimensional perfection

  • Material Versatility

    Capable of handling diverse materials from hardened steel to carbide, our precision grinding is adaptable for different industrial needs, maintaining high accuracy

  • Broad Industry Applications

    Our services are essential in fields requiring utmost precision, such as aerospace, automotive, and medical industries, meeting stringent quality standards

  • Superior Surface Finish

    Provides smooth finishes crucial for parts requiring low friction and aesthetic appeal.

  • Diverse Grinding Types

    Offers surface, cylindrical, and optical grinding, meeting diverse part specifications.

Our Expertise in Precision Grinding Processes


Optical grinding is a precision process that involves shaping ultra-hard and small-scale components materials with high accuracy. Our advanced grinding machines are designed to operate 24 hours a day, enabling us to meet a wide range of demands, from small batches to large-scale production, ensuring we cater to any volume requirement with ease.


Cylindrical grinding refines the external or internal surface of cylindrical parts, offering high accuracy in terms of circularity and diameter control along with a smooth finish. Its precision is vital in manufacturing shafts, rollers, bearings, and other cylindrical components


Surface grinding is a process where a rotating abrasive wheel creates a smooth finish on flat surfaces. Our grinding machines are versatile and capable of shaping both small, intricate parts and large components over a meter in size. We excel in delivering consistent dimensional accuracy across all sizes of workpieces.

Let’s Make Presicion Grinding Easy

Get fast 1-3 day delivery on complex parts, Submit your inquiry details and you will receive a prompt evaluation and response.


   Upload Your RFQ


   Receive Quote & Design Review


   Confirm Order & Initiate Production

Stamping Die



Applications of Precision Grinding

Materials Ideal for Precision Grinding

Precision grinding is a versatile machining process suitable for a wide range of materials, including:

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Tool Steel

Known for its exceptional hardness and durability, tool steel becomes even more efficient when precision ground for exact dimensions and surface quality, making it ideal for cutting tools, molds, and machinery components.

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Stainless Steel

The corrosion resistance and strength of stainless steel are enhanced through precision grinding, achieving a superior finish and tight tolerances, perfect for medical devices, food processing equipment, and general metalwork.

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Tungsten Carbide

This material's extreme hardness and wear resistance make it a prime candidate for precision grinding, which is essential to shape industrial cutting tools, mining machinery parts, and precision-engineered components with accuracy.

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Lightweight yet easy to machine, aluminum benefits greatly from precision grinding, which brings out a high-quality surface finish and exact dimensions, crucial for aerospace components, automotive parts, and electronics housings.

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With its machinability and good corrosion resistance, brass achieves a smooth surface finish and precision through grinding, making it suitable for decorative items, musical instruments, and plumbing fixtures.

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PMMA (Polymethyl Methacrylate)

The optical clarity and light transmission of PMMA are maximized when precision ground, resulting in smooth surfaces and precise thickness for optical lenses, acrylic glass, and transparent components.

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Zirconia Ceramic

Distinguished by high fracture toughness and wear resistance, zirconia ceramic requires precision grinding for the right shape and surface quality, ideal for industrial cutting blades, dental implants, and high-stress structural components.

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Alumina Ceramic

With its high hardness and thermal stability, alumina ceramic is often precision ground for shaping and fine surface finishes, making it suitable for electrical insulators, wear-resistant linings, and thermal conductive components.

Connect with the Sundi Tools Sales Team

Sundi Tools has decades years of experience in designing and precision fabrication with initial on-site consultation, Contact our sales team,you will get a quick reply.

The Tight tolerance of Precision Grinding

Part DimensionTypical Tolerances (Metric)Typical Tolerances (Imperial)
Length± 0.002 mm± 0.00008 inches
Width± 0.002 mm± 0.00008 inches
Height/Thickness± 0.002 mm± 0.00008 inches
Diameter (for cylindrical parts)± 0.002 mm± 0.00008 inches
Flatness0.002 mm per 100 mm0.00008 inches per 4 inches
Parallelism0.002 mm per 100 mm0.00008 inches per 4 inches
Surface Finish8-16 microinches (0.2-0.4 micrometers) RASame as Metric

Frequently Asked Questions About Precision Grinding


Most frequent questions and answers

“Yes, our advanced equipment and skilled technicians can achieve micron-level tolerances, ensuring high precision for your components.”

“Our grinding capabilities cover a range of sizes. Please provide us with specific dimensions for more detailed information.”

“Lead times vary based on project complexity and volume. We focus on delivering quality work within efficient timeframes.”

“Absolutely. We work closely with clients to develop customized grinding solutions for unique and challenging projects.”

“Quality is ensured through stringent process control, regular inspections, and using precision measurement tools to meet exact specifications.”

“Yes, our facility is equipped to handle both high-volume orders and smaller, specialized batches with equal precision and efficiency.”

“Pricing is determined by factors like part complexity, material, and order size. We provide detailed, competitive quotes upon request.”


Hole Drilling EDM Wed, 24 Jan 2024 07:25:49 +0000

Hole Drilling EDM

Unleash Precision with Sundi's EDM Services: Where Advanced Machinery Meets Expertise. Elevate Your Projects with Our Exceptional Quality, Swift Turnaround, and Competitive Rates, Ensuring Your Market Dominance.

Hole Drilling EDM Service for Demanding Applications

Hole Drilling EDM (Electrical Discharge Machining) technology stands as a cornerstone in precision manufacturing, renowned for its capability to effortlessly penetrate hard materials and craft intricate shapes with impeccable accuracy. This advanced machining process utilizes electrical discharges to erode material, enabling the creation of precise holes, even in the toughest substrates like hardened steel, superalloys, and ceramics. Its ability to maintain integrity without inducing stress or distortion makes it indispensable for applications demanding the highest levels of precision, such as aerospace components, intricate molds, and medical devices. Hole Drilling EDM not only broadens the horizons of design possibilities but also ensures that even the most challenging projects can be realized with precision and efficiency

Why Choose Us for Hole Drilling EDM

  • Mass Capacity and Short leadtime

    At Sundi, we employ 6+ sets Hole Drilling machines that enable us to reach the production requirements shortly.

  • Expertise and Experience

    With a team of highly skilled professionals, Sundi boasts extensive experience in Hole making.

  • Versatility in Materials and Applications

    We can work with a wide range of materials, including hard-to-machine metals and alloys.

  • Customization and Flexibility

    Sundi offers customized solutions to meet your specific requirements.

  • Quality Assurance and Precision

    We adhere to strict quality control protocols and use precision measuring tools to ensure the accuracy and quality.

The Application in Sinker EDM and Wire EDM Process

Hole Drilling EDM (Electrical Discharge Machining), also known as spark machining, plays a pivotal role in both wire EDM (Wire Electrical Discharge Machining) processes and die-sinking EDM applications by providing precise, efficient, and versatile hole-making capabilities.

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In Wire EDM

Hole Drilling EDM is often employed to create the initial hole that serves as an entry point for the wire in wire EDM processes. This is especially crucial when the wire cannot be threaded through the workpiece in any other way, such as when starting a cut in the middle of a solid material. The precision and capability of Hole Drilling EDM to penetrate hard materials without mechanical stress make it an ideal choice for initiating the wire path, ensuring the wire EDM process can proceed smoothly for intricate cutting operations.

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In Die-Sinking EDM

In die-sinking EDM, where the electrode creates shapes in the workpiece by sparking, Hole Drilling EDM can be used to produce precise starter holes or cavities that define the initial depth or location for the die-sinking process. This is particularly useful for creating vents, cooling channels, or specific geometric features within molds or complex components. The hole drilled by the EDM process provides a controlled environment for the die-sinking electrode to engage the material, enhancing the overall precision and efficiency of the EDM operation.

Connect with the Sundi Tools Sales Team

Sundi Tools has decades years of experience in designing and precision fabrication with initial on-site consultation, Contact our sales team,you will get a quick reply.

Common Issues When Processing Hole Driling EDM

When processing with Hole Drilling Electrical Discharge Machining (EDM), several common issues can arise that may affect the efficiency, accuracy, and quality of the machining process. By being aware of these common issues and implementing appropriate solutions, operators can significantly improve the efficiency, quality, and reliability of the Hole Drilling EDM process, ensuring that the final machined components meet the required specifications and standards.

1. Electrode Wear
  • Issue: The electrode used in hole drilling EDM can wear down over time, leading to changes in hole size and shape.
  • Solution: Regular monitoring and replacement of electrodes, as well as using wear-resistant electrode materials, can mitigate this issue.
2. Surface Finish Quality
  • Issue: Achieving the desired surface finish inside the hole can be challenging due to the nature of the EDM process.
  • Solution: Adjusting EDM parameters such as power settings, pulse duration, and flushing pressure can improve surface finish quality.
3. Debris Removal
  • Issue: The efficient removal of eroded material (debris) from the hole can be problematic, leading to unstable machining conditions and potential short-circuiting.
  • Solution: Ensuring adequate and continuous flushing of the hole with dielectric fluid helps remove debris effectively.
4. Heat Affected Zone (HAZ)
  • Issue: The thermal impact of EDM can lead to a heat-affected zone around the holes, potentially altering the material’s properties.
  • Solution: Optimizing EDM parameters and using techniques like low-energy settings can minimize the extent of the HAZ.
5. Precision and Accuracy
  • Issue: Maintaining high precision and accuracy, especially for very small or deep holes, can be challenging.
  • Solution: Using high-precision EDM machines, fine-tuning machining parameters, and employing advanced electrode guides can enhance accuracy.
6. Material Selection
  • Issue: Not all materials are equally suited for hole drilling EDM, with some posing challenges due to high melting points or conductivity.
  • Solution: Material selection should be carefully considered in the design phase, and EDM parameters should be adjusted to accommodate specific material characteristics.
7. Deep Hole Drilling Challenges
  • Issue: Drilling very deep holes with EDM can lead to difficulties with debris removal, electrode wear, and maintaining straightness.
  • Solution: Using multi-channel electrodes, specialized flushing techniques, and regularly checking the electrode’s condition can help address these challenges.

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