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Data Matrix vs QR Codes: Choosing the Right Code For Your Needs

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Have you ever wondered about the small, square barcodes often found on electronic devices, tools, and appliances? While they might resemble QR codes, they’re actually Data Matrix codes, essential components of modern manufacturing processes.

Unlike QR codes, primarily used for consumer-facing applications like websites and social media, Data Matrix codes are designed for efficient data storage and traceability. They’re the only 2D barcodes officially approved by GS1 for regulated healthcare items, emphasizing their reliability and accuracy.

QR codes on the other hand are larger and contain more data, such as website URLs, and can encode information in numeric and alphanumeric form as well as Kanji and other multi-byte character sets. 

No matter what industry, when it comes to industrial traceability for manufacturers, choosing the right type of code can leave a production run riddled with misinformation and the chance of getting lost. 

Let’s break down the differences and similarities between QR and Data Matrix codes and why the latter is the preferred choice of most manufacturers.  

 

QR vs Data Matrix Codes

Understanding the distinctions between QR codes and Data Matrix codes is crucial for manufacturers looking to optimize their processes. Both codes are two-dimensional (2D) barcodes and consist of a pattern of squares that can be read by a barcode scanner. However, there are notable differences in their shape, size, and data capacity.

What is a QR Code?

QR Code

QR codes are two-dimensional barcodes scanned by smartphones or other devices with cameras. They store information in a matrix of black-and-white squares, which can be interpreted to reveal data such as URLs, text, or contact information. Think of them as digital links that can be quickly accessed by simply scanning them with your phone.

 

What is a Data Matrix Code?

Data Matrix CodeData Matrix codes are another type of two-dimensional barcode, but they are smaller and more compact than QR codes. They are often used in industrial settings, such as manufacturing and logistics, because they are highly durable and can be scanned even when damaged or dirty. Data Matrix codes are useful for tracking individual items or components throughout production, ensuring accuracy and efficiency.

 

Direct Part Marking 

While both QR and Data Matrix codes are in the public domain and can be used royalty free, Data Matrix codes have become the standard for anti-counterfeit measures, part identification, and internal tracking because they feature advanced error-correcting techniques that are more robust than QR codes. 

This presents a unique benefit for manufacturers that need to ensure their products can be identified if part of the mark gets damaged or impeded. 

Particularly necessary for complex and high stakes industries such as medical, aerospace, and defense, where hundreds to thousands of components are needed in order to assemble a finished product, Data Matrix codes can be read even if up to 50% of the mark gets damaged. 

QR codes on the other hand have steadily been adopted in consumer-facing applications. These codes can be found everywhere from business cards to product packaging, containing links to websites, resumes, premium offers, and even restaurant menus. 

QR codes have a lower level error-correcting built in, and can be rendered useless with even slight ware and tare. Just 30% of a QR code needs to be damaged before it becomes unreadable. 

While these codes are perfect for consumer-forward use, marking a component or part with a QR code presents a real danger for misidentification pending the mark gets damaged. 

 

Data Matrix vs QR Codes | Uses Cases and Applications

Data Matrix
Supply chain traceability
Anti-counterfeiting through serialization
Part identification
QR code
Additional product information
Usage instructions
Social sharing
Auto-linking for spare ordering and registration
Promotions, contests, and gamification


Specifications of Data Matrix vs QR Codes

While Data Matrix codes are typically reserved for industrial use cases, both types of marks can play a role in the manufacturing industry.

Since both DataMatrix and QR codes are GS1 approved, they can carry any GS1 ID keys including: 

ID Key
Global Trade Item Number (GTIN)
Global Location Number (GLN)
Global Returnable Asset Identifier (GRAI)
Global Individual Asset Identifier (GIAI)
Global Service Relation Number (GSRN)
Component/Part Identifier (CPID)
Global Model Number (GMN)
Used to Identify
Products and services
Parties and locations
Returnable assets
Assets
Service provider
and recipient relationships
Components and parts
Product model
Example
Can of soup, chocolate bar, music album
Companies, warehouses, factories, stores
Pallet cases, crates, totes
Medical, manufacturing, transport and IT equipment
Loyalty scheme members, doctors at a hospital, library members
Automobile parts
Medical device

 

Beyond GS1, specifications and requirements for each code are presented by the International Organization for Standardization (ISO). For more about how these codes work themselves, and how to create them, you can check out the relevant ISO standard for more detail.

Requirements for Data Matrix codes are specified under the ISO/IEC 16022 international standard; while requirements for QR codes are specified under the ISO/IEC 18004 international standard.

Best Practices for Implementing Data Matrix Codes in a Manufacturing Process

Implementing Data Matrix codes in a manufacturing process can significantly enhance traceability, efficiency, and accuracy. However, to fully leverage the advantages of this technology, it’s crucial to follow best practices tailored to the specific needs of your operations. 

Best practices for implementing Data Matrix codes include:

  • Ensuring that the code is applied in a location on the part that is less likely to be damaged or exposed to harsh conditions.
  • Using direct part marking methods like laser marking or dot peen to create a durable, permanent code that can withstand wear.
  • Regularly testing and verifying the readability of the code throughout the production process.
  • Incorporating advanced scanning equipment that can easily read Data Matrix codes, even when partially obscured or damaged.
  • Consulting with an industrial marking expert to ensure the correct code placement, size, and method of application for long-term durability.

 

Frequently Asked Questions About Data Matrix and QR Codes:

How Do the Error-Correcting Capabilities of Data Matrix Codes Compare to QR Codes in Practical Applications?

Data Matrix codes have more robust error-correcting features compared to QR codes. They can still be accurately read even when up to 50% of the code is damaged, making them more reliable in harsh environments like manufacturing or logistics. QR codes, on the other hand, lose readability once about 30% of the code is damaged, making them more prone to failure in industrial settings where wear and tear are common.

 

Are There Significant Cost Differences Between Implementing QR Code & Data Matrix Code Systems? 

The cost of implementing QR or Data Matrix codes can vary depending on factors such as the specific hardware and software used, the complexity of the system, and the volume of codes needed. In general, Data Matrix codes may be slightly more expensive to implement due to the specialized equipment required for their reading and writing. However, the long-term benefits of using Data Matrix codes, such as improved traceability and efficiency, can often outweigh the initial costs.

 

Are There Differences in Scanning Speed & Accuracy Between QR & Data Matrix Codes, Especially When Used in High-Speed Industrial Settings?

While both QR and Data Matrix codes can be scanned at high speeds, Data Matrix codes often have a slight advantage in terms of scanning accuracy. Their smaller size and denser data encoding make them less prone to misreading, especially in challenging conditions.

Direct Part Marking | Best Practices and Proven Methods 

Understanding the differences between QR codes and Data Matrix codes, and choosing which is best for your application can get overwhelming.  That’s why its important to consult a trusted advisor and partner. 

Technomark has been operating and supplying expertise with industrial marking equipment since 2000. Since 2018, Technomark North America has been the only established OEM of dot peen and laser marking systems — the primary methods for direct part marking — with a headquarters in the USA. 

Technomark has been at the forefront of industrial marking innovation, developing machines for seamless integration in manufacturing processes. 

Our goal is to help our customers:

  • Increase machine uptime
  • Decrease total cost of ownership
  • Make part marking and identification simple and cost-effective
  • Bring new ideas to the table to increase efficiency

Your relationship with Technomark North America shouldn’t be limited to a strict supplier-to-customer interaction. We value communication above all else, which is why our team is dedicated to finding ways to solve your traceability challenges through a consultative process.  

Interested in learning more about Direct Part Marking using Laser Technology? Check out our free ebook below: 

Industrial Laser Marking Guide Download

Laser Marking for Manufacturing 101

5 Industrial Laser Marking Applications to Know

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Laser Marked Component

What commonalities do DVD players, checkout lines at the grocery store, and industrial marking machines all share? Lasers.

But alas, not all lasers are the same.

Do you know what L.A.S.E.R. stands for? Light Amplification by Stimulated Emission of Radiation. In other words, it’s a highly concentrated beam of light. Lasers consist of a: 

  • Gain medium: A material that interacts with electrical currents to stimulate photons of light as they pass through.
  • Energy supply: Lasers typically receive their energy from electrical currents. These currents are “pumped” through the gain medium, stimulating atoms as light passes through. As the currents are pumped, the light accelerates within the gain medium.
  • A material to provide optical feedback: The materials selected for optical feedback serve one main purpose: steering the direction of the light beam.

More

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The Science Behind Industrial Laser Marking Systems: Understanding Material Interactions

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Industrial laser marking systems are used across a wide range of industries and trusted for precision and accuracy to provide marks that are easy to read and stand up to wear and tear over time.

Laser marking machines are capable of marking on a variety of materials, but the material influences the adjustments that need to be made. For example, when the situation calls for laser engraving for metal, the type of metal and the surface preparation influence the quality of the mark and the potential for defects.

Understanding how the laser beam interacts with each type of material and what factors influence the final outcome can go a long way in avoiding defects or issues when industrial laser markers permanently mark products.

Thermal Effect and Marking Quality for Industrial Laser Marking Systems

Heat conduction and diffusion play a crucial role in influencing laser marking technologies and can significantly change the marking quality and efficiency on different materials. Understanding these thermal effects is essential for optimizing the laser marking parameters and achieving desired results.

Metals, especially those with high thermal conductivity (e.g., copper, aluminum), can rapidly dissipate heat away from the laser-material interaction zone, leading to reduced marking efficiency and potential heat-affected zones. Materials with lower thermal conductivity (e.g., plastics, ceramics) tend to localize the heat generated by the laser, resulting in more efficient marking and minimizing heat-affected zones.

When using short laser pulse durations (e.g., nanosecond, picosecond, femtosecond) for marking applications, the heat diffusion during the pulse is minimal, leading to more localized energy deposition and reduced heat-affected zones. With longer pulse durations (e.g., millisecond), heat diffusion becomes more significant, potentially causing larger heat-affected zones and undesirable effects like melting or distortion around the marked area.

Materials with high thermal conductivity (e.g., metals) can rapidly dissipate heat, making it challenging to achieve efficient marking without using higher laser powers or shorter pulse durations. Materials with low thermal diffusivity (e.g., ceramics, some polymers) can better confine the heat to the laser-material interaction zone, improving marking efficiency and reducing heat-affected zones.

For thin materials or substrates, heat dissipation can occur rapidly through the material thickness, potentially affecting marking quality and efficiency. Thicker materials or substrates can better confine the heat, leading to more efficient marking, but also increasing the risk of heat accumulation and potential material degradation. Complex geometries or curvatures can influence heat flow and dissipation, affecting the marking process and requiring adjustments to laser parameters or beam delivery optics.

Another area of consideration is the marking strategies that will be implemented and the potential for heat accumulation. The use of specific scanning patterns (e.g., hatching, spiraling) can influence heat accumulation and dissipation, impacting marking quality and efficiency. Meanwhile, overlapping laser pulses or scans can lead to heat accumulation as well, potentially causing material degradation or undesirable effects.

Another option is the choice to employ pulsing strategies, such as pulse bursts. This approach can help manage heat accumulation and dissipation, improving marking quality and reducing heat-affected zones.

Proper control and management of heat conduction and diffusion can lead to improved marking efficiency, reduced heat-affected zones, and better overall marking quality. In some cases, active cooling techniques (e.g., air or liquid cooling) or auxiliary processes (e.g., pre-heating or post-cooling) may be employed to further manage heat effects and achieve desired marking results on specific materials or applications.

Laser Marking Optimization Tips for Industrial Laser Marking Systems

To optimize laser marking based on the interaction with different materials, several key parameters need to be considered and adjusted. Here’s an outline of the best ways to generate high-quality part marking, focusing on factors such as wavelength, power, pulse duration, and beam quality:

Wavelength selection:The wavelength of the laser should be chosen based on the material’s absorption characteristics. For metals for example, longer wavelengths can mark products efficiently. Some materials may exhibit better absorption at specific wavelengths due to their chemical composition or color pigments.

 

Power and pulse duration:Higher power and shorter pulse durations are generally preferred for efficient material removal or ablation. For metals, higher power and shorter pulses can promote melting, vaporization, and oxidation processes. For non-metals, lower power and longer pulses may be better suited to prevent excessive material degradation or charring. The optimal combination of power and pulse duration depends on the material’s thermal properties and the desired marking quality.

 

Beam quality and focusing:A high-quality laser beam with good focus and consistent intensity distribution is crucial for precise and consistent marking. Proper beam focusing can concentrate the laser energy onto a small area, increasing the energy density and improving marking efficiency. Factors like beam divergence, mode quality, and focal spot size should be optimized for the specific material and marking requirements.

 

Scanning and overlapping:For larger marking areas or complex patterns, the laser beam may need to be scanned or overlapped across the surface. The scanning speed, overlapping percentage, and scanning strategy (e.g., hatching, spiraling) can affect the marking quality and efficiency. Optimizing these parameters can ensure uniform marking and minimize heat-affected zones or material damage.

 

Surface preparation:Proper surface preparation can significantly improve marking quality and contrast. Cleaning and degreasing the surface can enhance laser absorption and reduce contamination. Applying contrast-enhancing coatings or primers can increase marking visibility on certain materials, especially non-metals.

 

Environmental considerations:Factors like ambient temperature, humidity, and atmospheric conditions can influence the laser-material interaction and marking results. Controlling these environmental factors or adjusting the laser parameters accordingly can ensure consistent marking performance.

 

Material testing and characterization:Conducting material testing and characterization is essential for optimizing laser marking parameters. Techniques like spectroscopy, thermal analysis, and microscopy can provide insights into the material’s optical, thermal, and physical properties. This information can guide the selection of appropriate laser parameters and marking strategies.

 

Material Interaction and Industrial Laser Marking Machine Settings

Finding the optimal laser marking solution is an iterative process that may require extensive testing and adjustment of multiple parameters. Collaboration between material scientists, laser experts, and application engineers is often necessary to achieve the desired marking quality, efficiency, and durability for specific materials and applications.

Proper selection of laser parameters, such as wavelength, power, pulse duration, and beam characteristics, is crucial for achieving optimal marking results. The laser parameters should be adjusted to match the specific material composition and desired marking quality. Depending on the carbon fiber composite material and the desired marking contrast, surface preparation techniques, such as applying contrast-enhancing coatings or primers, may be necessary to improve marking visibility and durability.

Ready to Learn More About Laser Marking?

Our resource library offers multiple options for further reading to provide a better understanding of what your needs might be with laser marking systems. For example, we have this resource you can take with you: 

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Laser Etching vs. Engraving: What to Know

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Laser marking, also known as laser engraving or laser etching, is a precise and permanent method of adding marks or designs to various materials. It uses a high-intensity laser beam to alter the surface of the material, resulting in marks that can range from logos and text to intricate patterns.

With both etching and engraving, precision and permanence are key. Whether you’re in the business of personalizing gifts or manufacturing industrial parts, choosing the right laser technology can make all the difference. When considering the two primary methods, laser etching vs. engraving, both provide accuracy but only one can lead to the right final product, depending on your goals. 

While laser etching and laser engraving are terms that are used interchangeably, there is a notable difference between the two laser marking processes: the depth of the mark left on the product. When laser etching is used, the mark is typically 0.0001”, while laser engraving 0.0001-0.0005” in depth. Meanwhile, deep engraving is considered any mark deeper than 0.0005”. 

Another difference between the two is the process of creating the mark itself. While laser etching uses a beam of focused light, laser engraving uses a rotating lens to direct incoming beams to the surface of the product to create the mark. 

Choosing the right method for your needs can depend on other factors than the process itself, including: 

  • Material being marked
  • Environment 
  • Setup costs
  • Wear and tear on materials
  • Speed
  • Precision

 

What is Laser Engraving?

Laser engraving is an art form that can be seen in many different materials, from metal to wood and plastic. It is a delicate process that requires extreme precision, as the smallest mistake can ruin a project or result in permanent damage to the material. The technique works by using a high-powered laser beam to vaporize or cut away thin layers of the material being engraved, much like sandblasting, but with more control and accuracy over depth and shape. This allows for high contrast marks to be added with amazing precision, resulting in clean lines and smooth surfaces. Additionally, with the right laser engraving machine and setup, laser engraving can be done quickly without sacrificing detail or accuracy.

This makes the laser engraving process perfect for projects where exact detail is required, such as commercial part marking for medical implants or industrial parts. In these cases, choosing the right laser marking technique can make all the difference; not only will it give you better results but it can also save time and money on production costs.

 

Pros and Cons of Laser Engraving

Laser engraving offers a lot of advantages over other methods such as sandblasting or chemical etching. One of the greatest advantages is speed; laser engraving can be done much quicker than traditional methods, allowing for high production rates when dealing with large amounts of parts. Additionally, laser engraving provides more control over the depth and shape of the engraved area, allowing for intricate details to be added with amazing precision.

With laser engraving, accuracy and replication are extremely important. The speed of the process is also a great advantage as it allows for quick turnaround times on orders. Laser engraving can be used to add text, logos, or other images to items quickly and with amazing precision. Additionally, because it’s non-contact, there are no worries about wear and tear on the parts like with traditional methods.

However, there are some limitations to keep in mind when using laser engraving. The process is limited to certain materials that can absorb the energy from the laser beam without being damaged. Metals such as aluminum and stainless steel are common choices, but other materials like glass and plastic can also be engraved. Additionally, laser engraving can be expensive to set up since it requires specialized equipment and the cost of laser engraving varies depending on the complexity and size of the job. Large jobs can take longer to complete and require more equipment or materials which can add to the overall price tag. 

It’s also important to consider the environment when using laser engraving. The process generates fumes and particles that can be hazardous if proper ventilation is not present. Wearing protective gear, such as safety glasses and gloves when operating the laser in order to protect against eye damage or burns, is also a best practice. Lastly, lasers require constant maintenance and adjustments in order to stay operational. This can add up over time so it’s important to factor that into cost estimates.

 

What is Laser Etching?

Laser etching is a surface alteration process that uses a laser beam to create an indelible mark on a variety of materials. It’s widely used in industries such as product manufacturing, packaging, and labeling for branding, customization, and personalization. In some cases, it can also be used for decorative purposes like creating intricate designs on wood or other surfaces.

Laser etching works by using intense beams of light to penetrate the surface of the material and create very fine lines or tiny holes. The laser etching process can be controlled with precision allowing for deeper engraving or shallower marking of the material’s surface. This makes laser etching incredibly versatile as it can be used to mark various materials with different depths, whether for promotional purposes or decorative effects.

 

Pros and Cons of Laser Etching

Laser etching is ideal for making unique designs on surfaces with precision and accuracy. For example, jewelry designers can use laser etching to engrave special messages or patterns on rings, earrings, and other pieces of jewelry. 

Laser etching is an incredibly versatile tool in many different industries thanks to its precise marking capabilities and compatibility with different materials. However, laser etching is typically not the best method to use for marking parts in the automotive industry. This is because most parts are made of metal that require a more heavy-duty engraving method such as deep-cut or rotary engraving. 

The strength and longevity of these methods make them a better choice for long-term applications, especially in areas where high temperatures can cause regular laser etching to fade easily. Additionally, deep-cut and rotary engravings can create very intricate designs and shapes much more effectively than laser etching can.

 

Laser Etching vs. Engraving | Next Steps

Choosing the right method for creating marks on your product requires attention to the speed needed, the material being marked, the precision, and other factors. With these criteria in mind, choosing the right etching tools or engraving machines for optimal efficiency is manageable. 

 

Make the Right Decision

If you are still undecided about the best methods for part traceability on your production line, consider the following resource: 

 

(Editor’s Note: This blog was originally published in October 2023 and was updated in May 2024 with the most current information.)

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Unlocking the Potential: Increasing Productivity with Automated Dot Peen Machines

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In the rapidly evolving landscape of industrial manufacturing, the adoption of cutting-edge technologies is not just a trend but a necessity for staying competitive. Among these, dot peen marking technology has emerged as a cornerstone for a myriad of industries, underscoring its critical role in product identification, traceability, and quality control.

Dot peen machines, which use a carbide or diamond tip to permanently engrave surfaces with data, have become indispensable in sectors ranging from aerospace to automotive, and from metalworking to electronics. The precision, durability, and versatility of dot peen marking meet the stringent standards required for tracking components throughout their lifecycle, ensuring compliance with global quality and safety mandates.

As we delve deeper into the digital age, the transition from manual to automated systems represents a significant leap forward. Automated dot peen machines, in particular, stand at the forefront of this shift, offering a pathway to remarkable gains in productivity and operational efficiency. This blog aims to explore the transformative power of these machines.

Through automation, businesses can not only accelerate their marking processes but also achieve

  • Unparalleled accuracy
  • Consistency
  • Reliability.

Dot peen marking technology, also known as pin stamping, has become an integral tool for industries requiring precise, durable, and traceable marks on their products. At its core, dot peen marking involves a pneumatically or electromechanically driven pin that rapidly indents the surface of an item with dots to create numbers, letters, logos, or 2D DataMatrix codes.

The technology can be implemented through either automated or manual machines, each serving different needs and applications. Understanding the distinctions between these two types of dot peen machines is essential for businesses aiming to optimize their marking processes. For more on machines that use electromechanics, consider this resource: https://www.technomark-inc.com/dot-peen-marking/.

Automated Dot Peen Machines

Automated dot peen marking machines offer a suite of benefits designed to enhance productivity and efficiency across various industries. By automating the marking process, these machines minimize the need for manual intervention, leading to significant improvements in speed, accuracy, and consistency of marks. Automated machines offer superior precision and consistency in marking, as the computer-controlled movement ensures each dot is placed exactly as intended, every time.

The integration capabilities of automated systems also allow for seamless communication with existing manufacturing databases, facilitating better traceability and quality control. Users can program the machine to carry out complex marking tasks with minimal human intervention, making them ideal for high-volume production lines.

Cost savings emerge not only from the reduction in labor costs but also from the decrease in rework and scrap rates, making automated dot peen machines a valuable investment for businesses looking to optimize their operations and maintain a competitive edge in the market.

These machines are designed to integrate seamlessly into existing manufacturing systems, enabling a more streamlined workflow. They can be connected to databases for automatic part identification and traceability.

For more information on a product that can be easily integrated into the production process:
Read about the M4 Inline.

Manual Dot Peen Machines

Manual dot peen marking machines present a cost-effective and flexible solution for businesses with lower-volume marking needs or those requiring customization for unique, irregularly shaped items. These machines allow for direct control by the operator, enabling precise placement and a personal touch that can be essential for bespoke or specialized applications.

The simplicity and ease of use of manual dot peen systems reduce the barrier to entry for smaller operations or those new to dot peen marking technology. Additionally, the lower initial investment compared to automated systems makes them an attractive option for businesses mindful of budget constraints while still benefiting from the durability, permanence, and versatility of dot peen marks.

This adaptability, combined with the capacity to mark a wide range of materials, makes manual dot peen machines a valuable tool for companies seeking an efficient, cost-effective method to enhance their product identification and traceability processes.

Manual dot peen machines provide versatility in application, as they are available in both a handheld and stationary model. These machines can be utilized to mark products of various sizes that are produced in differing production processes.
Suitable Materials and Surfaces
Dot peen marking technology is highly versatile and can be used on a wide range of materials and surfaces, including but not limited to:

Metals: Steel, aluminum, copper, brass, and gold. It’s especially popular in the metalworking industry for its ability to create deep, permanent marks that withstand harsh conditions.
Plastics: Certain types of hard plastics can be marked with dot peen machines, though the material’s hardness and composition might affect the quality of the mark.
Hardened Materials: Tools and components that have undergone heat treatment processes can also be marked effectively.
Painted or Coated Surfaces: Dot peen marking can penetrate thin coatings to mark the underlying material, making it useful for parts that are painted or have protective coatings.

Key Benefits of Automated Dot Peen Machines

Integrating automated dot peen machines into existing production lines is a matter of knowing what you need and ensuring it is in place for your production process. 

Some of the considerations for making an automated dot peen marking machine part of your production line include: 

  • Security of WIFI connection
  • Reliability
  • Machine Size
  • Material Compatibility
  • Software features

Staff will need to be trained on interfacing with the new software and creating the part marking specifications on that platform, as well as the data transfer capabilities. 

However, there are four benefits to discuss for integrating an automated dot peen marking machine:

  1. Increased efficiency
  2. Enhanced accuracy and consistency
  3. Improved traceability
  4. Cost savings

 

1. Increased Efficiency

Automation improves production time by streamlining the marking process. It is a much simpler matter to set and adjust the marking design with the software involved. Likewise, those steps can be taken by someone off-site if the occasion demands. Meanwhile, manual methods require in-person adjustment, which takes greater time and effort to match the precision that comes naturally with automation.

2. Enhanced Accuracy and Consistency

Automation means working with software to create logos and fonts in real-time. The immediate feedback and capability to adjust the mark means less human error. It also ensures uniformity in marking for the entirety of the order that is being marked. 

3. Improved Traceability

Automated marking offers reliability for supply chain management and quality control. In the event a part needs to be identified due to issues or recalled, the marks created during the automated process are done quickly and efficiently to last over the long term. 

4. Cost Savings

Investing in automated technology means reducing the number of staff needed on-site to handle things like marking design and adjustment. This also cuts down on the number of products that need to be remarked due to a user error. 

 

Dot Peen Machines Increase Efficiency

The choice between automated and manual dot peen machines hinges on the specific needs of the production environment, including volume, precision requirements, and integration capabilities. 

Regardless of the type chosen, the ability of dot peen marking to adapt to various materials and surfaces makes it an invaluable asset for industries prioritizing product identification, traceability, and quality control.

Interested in learning more about dot peen marking technology? Consider these resources from our blog library: 

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6 Tips for Choosing the Best Laser Marking System for Your Business Needs

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Laser marking systems provide reliability and long-term marking solutions for commercial and industrial applications, which resolves concerns about component tracking for many industries where the product is exposed to extreme heat or other conditions that cause wear and tear.

Choosing the best laser marking system for your production line means weighing the various factors that determine the most effective yet least time-consuming process to meet deadlines.

We compiled a list of six actionable tips to choose the most suitable laser marking system:

  1. Understand your marking needs
  2. Consider the type of laser technology
  3. Evaluate system performance and speed
  4. Assess software compatibility and ease of use
  5. Consider maintenance and durability
  6. Compare costs and return on investment

1. Understand Your Marking Needs

The use of laser marking systems is not the only choice to be made. Within the laser marking industry, various methods have been proven effective for product marking. The process to use depends on a variety of factors. Three marking methods that utilize lasers include:

  • Engraving: With laser engraving, marks are made on the surface of an object with high heat that vaporizes the material into dust. This is done quickly and with precision, allowing for unmatched durability and readability, along with better turnaround times on orders that involve a large number of parts.
  • Annealing: This process changes the color of the metal but does not remove any materials. This is because oxygen is diffused beneath the surface of the metal during a slow heating process. This process is only useful for metals like steel, stainless steel, and titanium.
  • Etching: In this process, heated surfaces are allowed to expand, creating permanent marks in a faster and more efficient manner. This process provides a contrast that remains readable after post-treatments.

Different marking applications are ideal for different material types. For example, certain metals can be marked using the annealing process (as noted above). Meanwhile, etching or engraving can be useful for metals, plastics, and some other materials – such as wood. However, the process used makes a difference in the marking quality, depth, and the speed at which the marking process is completed.

2. Consider the Type of Laser Technology

Several types of lasers are used in laser marking systems:
Fiber lasers use a shorter wavelength than the CO2 laser and are capable of marking non-metallic surfaces. This process is commonly used for plastics and metal, as well as rubber.

CO2 lasers can be used to mark wood, plastic, cardboard, as well as metal. This type of laser uses CO2 gas to create an infrared laser beam. This beam cuts the mark into the material.

UV lasers have an adjustable wavelength and can be used on sensitive materials. This process is also possible to complete cold marking – which protects the product from heat degradation but still provides a readable, long-lasting mark.

3. Evaluate System Performance and Speed

Both marking speed and system performance impact overall productivity. Marking speed can lead to a faster completion rate for a larger order, as noted previously. Meanwhile, system performance can mean consistent production rates over time versus a more chaotic rate of production due to maintenance-related downtime.

4. Assess Software Compatibility and Ease of Use

Laser software is commonly hard to understand and to use because of the settings (except for an expert). User-friendly software offers adjustments that can be completed quickly and with minimal clicks. A secure connection via WiFi means the laser marking system can be utilized anywhere the WiFi reaches across the facility – or outside if necessary.

This allows for marking in real-time and allows for maintenance to be adjusted through the software as well.

5. Consider Maintenance and Durability

While reliable systems might come with a higher initial cost, they often lead to significant savings over time. Reduced downtime, fewer repairs, and longer intervals between major maintenance can drastically lower the total cost of ownership. Also, there are no consumables for laser marking (which is a durability and environment advantage).

Reliability also ties into safety. Systems that are less prone to malfunction reduce the risk of accidents in the workplace, protecting both your employees and your equipment.

Systems designed with ease of maintenance in mind often have modular components that can be easily replaced or serviced. Easy maintenance also means that you can potentially handle many issues in-house without needing to call in expensive external service technicians every time something needs tweaking.

6. Compare Costs and Return on Investment (ROI)

Choosing the right industrial laser marking system is a significant decision that can affect your operation’s efficiency, safety, and bottom line.

When evaluating options, consider not just the purchase price but also the costs associated with maintenance, repairs, and potential downtime. A more expensive system might be more cost-effective in the long run if it’s more reliable and easier to maintain.

These can then be weighed against the potential for increased ROI, which can make the final decision easier to reach. Calculating ROI for laser marking machines takes all of the following into consideration:

  • Improved efficiency
  • Productivity rates
  • Product quality

Laser Marking Systems: Opting for Efficiency

Technology evolves, and so do the needs of your business. A system that is easy to maintain is generally more adaptable to upgrades and changes. This adaptability ensures that your investment remains valuable and relevant, even as new technologies emerge.

A reliable system delivers consistent quality in markings, which is critical for traceability, brand identity, and meeting industry standards. This consistency helps in maintaining product quality throughout the production cycle, reducing the risk of errors or defects. Finding that system means evaluating the above points and determining the most efficient system for your unique production needs.

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Efficiency in Dot Peen Marking Systems Automation

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Effective part-marking is indispensable for ensuring seamless component traceability in the industrial manufacturing sector, particularly when dealing with large quantities. Among the various part-marking options available, Dot Peen marking technology has stood out as a preferred solution over the years.

Dot Peen marking machines use electromagnetic or pneumatic force to rapidly oscillate a stylus, creating indents on the part’s surface. Notably versatile, Dot Peen technology adapts well to both manual and fully automated production lines. While commonly employed in manual applications, the flexibility of modular Dot Peen systems allows for an initial portable setup, which can later be seamlessly transformed into an in-line system for integration with fully automated production lines.

 

The Need for Automation

While dot peen marking is a well-established method of ensuring traceability, it comes with challenges. These include the need for an in-depth understanding of the process, the right direction for the machine, and using the wrong methods for the material the product is made of. 

Today’s industries prioritize timelines and the reliable delivery of products. With that in mind, there is an increase in the need for efficiency to ensure deadlines are met. Incorporating automation into production lines, particularly for part marking, has led to significant progress in addressing and resolving efficiency issues. 

 

Technical Aspects of Automated Dot Peen Marking

As marking systems continue to evolve, the benefits of utilizing these systems can’t be ignored. These systems offer avoidance of downtime via their capability to:

  •    Improve speed and throughput
  •    Increase consistency and accuracy
  •    Reduce human error
  •    Enhance traceability

These systems incorporate innovations applied elsewhere to pair reliability and established problem-solving methods to streamline the part marking process. 

   Integration with Other Systems

Dot Peen marking systems can be integrated with any system. Portable, in-line, and bench models provide the options needed to maximize the efficiency of your traceability system. Automated options mean better versatility for your dot peen marking and reduced need for human oversight of that aspect of production. 

   Software Capabilities for Automation

Software has advanced to allow for control of the automation process from outside the facility if you so choose. Meanwhile, the control and adjustment via software means better control and improved marking accuracy. 

   Customization Options for Specific Industrial Needs

Permanent part marking means reliable part marking for product identification purposes throughout the product’s life span. Both dot peen marking machines and laser marking options offer the versatility to mark a product with a serial number, Datamatrix, logo, or other pattern as required. This then can be used to track the product through its production and installation – and beyond. 

For more precise orientation and focus, the laser technology may be helpful. Meanwhile, dot peen marking is a long-trusted method of part marking that provides a mark that impacts the surface via a succession of dots. This method is hard to wear away or otherwise deteriorate, leaving it easy to read for long periods. 

From automotive parts and aerospace applications to the oil and gas industry, many industries utilize these marking systems to increase traceability and reliability in part identification into the future. 

 

Trends and Innovations

With current trends in dot peen marking automation, the flexibility and ease of operation only continue to streamline the marking process. Products have reached the market that are portable and not tied to any specific area of the production line. Rather, the use of a secured WiFi connection means the control can be trusted to an operator’s cellphone. In turn, this portable marking machinery can be used in both indoor and outdoor work environments. 

The product that requires marking can be of any size and still be within the marking capabilities of the marking system – provided it is made of one of the many materials these systems handle with no issue. These products also come with improved battery life, ensuring an entire day’s work can be completed without requiring a recharge of the unit needed for the marking process. 

 

Considerations for Implementation

For those considering automation for part marking, there are numerous factors to evaluate before incorporating automation. These range from your WiFi connection security level and reliability to the level of training necessary to bring your staff up to speed with this pivot in control in the marking process. 

 

Consider these resources to evaluate your readiness for automation in your marking system: 

10 Industrial Part Marking Considerations

The Ins & Outs of Industrial Laser Marking Machines

Dot Peen Marking Machines & Efficiency | Final Thoughts

Dot peen marking is widely accepted as reliable and efficient in providing traceability solutions that are prioritized in today’s fast-moving but transparent society. With this in mind, it only helps to improve that reliability with the incorporation of automation to facilitate the programming and fulfillment of the part marking process. 

Before you go… 

It’s normal to still have questions at this point. If you are still considering your best next steps, our resource on part marking considerations could also be helpful: 

part marking considerations

10 Industrial Part Marking Considerations

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Industrial part marking

Every manufacturing process has a unique set of challenges to face. Thanks to increased complexity and a lack of standardization, the part marking process is no exception.

Previously, we’ve discussed how material specification should be the first consideration when selecting the best permanent marking method for your parts. 

The next step is to understand how the marking system will fit into your production process. Let’s look at 10 process considerations that will help you narrow down options when selecting a direct part marking method for your project:

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Dot Peen Marking Basics

What Is Dot Peen Marking?

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Dot Peen Marking Basics

Ask anyone inside the industrial manufacturing industry – part-marking is crucial to component traceability when working with large quantities. And while several different types of part-marking exist, Dot Peen marking technology has been a preferred solution for many years. 

At a high level, Dot Peen marking machines use either electromagnetic or pneumatic force to rapidly oscillate a stylus, in turn indenting the marks onto the surface of the part. 

One of the advantages of Dot Peen is that it’s very flexible and can be used in either manual or fully automated production lines. A lot of the applications Dot Peen serves are manual applications, however, with modular Dot Peen systems, you can start with a portable system and later convert it to an in-line system for integration with fully automated production lines.

 

The Basics | What is Dot Peen Marking?

If you took apart a Dot Peen machine, one of the most important components you would find is a carbide or diamond-tip stylus. 

The Dot peen process is considered a “low-stress” marking method because the mark is generated via material displacement rather than material removal.  The carbide stylus strikes the material surface to produce the mark via a series of cold-formed stamped dots. Compared to Laser Marking Systems, Dot Peen does not induce thermal shock to the part surface since the material is cold-stamped rather than super-heated to produce the mark.  

Dot Peen systems are commonly used by manufacturers in the aerospace and oil & gas industries where low-stress marking is required, such as tubular and flow control products that are exposed to extreme pressure differential in the oilfield. 

Dot Peen marking is viable for material hardness up to 63 HRC. Typically, when a part hardness is greater than 63 HRC, laser marking systems are recommended. 

All of Technomark’s Dot Peen machines rely on an electromagnetic solenoid to actuate the marking stylus. Dots are plotted in an X/Y plane via electronic control for precise placement of the Dot pattern. Using electromagnetic force versus pneumatic also provides a greater level of control of both the depth of the mark as well as the ability to mark contoured or complex surface.

Dot Peen Marking: Component Traceability In Action 

Dot Peen marking machines are utilized in almost every industrial-goods manufacturing operation, including: 

  • Automotive
  • Oil and Gas (pipes, fittings valves, other)
  • Aerospace
  • Defense
  • Metalworking (general purpose)

Dot Peen Marking 101

While these machines can run in-line and handle large quantities in an automated production environment, most are operated manually using a battery pack to go mobile. 

The best Dot Peen marking machines utilize a fully electric design and that doesn’t require compressed air to operate.  All Technomark Dot Peen marking machines feature an Intelligent Driving Impact (IDI) function that allows for marking on many different materials and finishes. The IDI function automatically adjusts and levels the stylus to the workpiece. Whether the part has a curved, wavy, or complex geometry, the stylus will follow the contour of the marking surface while maintaining a constant depth of high-quality marking throughout. 

When structural integrity is crucial, Dot Peen marking provides a low-stress marking solution that removes no material during the part marking process.

Why Choose Dot Peen Marking

One of the biggest benefits of a Dot Peen Marking Machine is its ability to efficiently produce marks compared to other marking systems. Other benefits of Dot Peen machines include: 

  1. Portability: battery-operated systems are ergonomic and perfect for smaller-scale operations or marking of large, heavy parts that cannot be transported to a fixed location for marking
  2. Versatility: state-of-the-art Dot Peen marking systems are modular and can start with a portable or manual marking system that can later be adapted to a fully automated production line
  3. Ease of use: Dot Peen machines are easy to program and do not require any advanced computing knowledge or technical training. 
  4. Permanency: Dot Peen marking process yields a permanent, indelible mark that can withstand harsh operating environments
  5. Economical: Compared to other marking systems, Dot Peen systems are typically less than $10,000.

Integrating a dot peen marking machine into your production line will improve the productivity and quality of the part-marking process.  

New and exciting dot peen innovations are coming this fall. Be on the lookout for machines that feature: 

  • Wireless connectivity between marking head and control (Network-able devices that are able to communicate to other devices through wireless communications)
  • On-board diagnostic tools to help the operator know when it’s time for scheduled maintenance — protecting your investment. 

If you have questions regarding Dot Peen machines or any part marking machines, contact us today. At Technomark North America, we have the experience to help you get the best solutions for your industrial marking needs.

(Editor’s Note: This blog was originally published in September 2021 and was updated in December 2023.)

Datamatrix laser marking automotive part

Direct Part Marking & Deconstructing Data Matrix Codes

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Commerce has come a long way from the bartering system. When currency became the acceptable medium of exchange, it only made sense that a better system of marking products was needed. 

The first barcode was created in 1952, but they weren’t put into use in commerce and the transaction process until 1974, when a pack of Wrigley’s gum was scanned in a supermarket in the state of Ohio. 

Barcodes have become widely used and have been upgraded and improved in an ongoing process. From the days when a barcode took up a significant amount of the packaging and contained limited information to today’s Data Matrix codes that are significantly smaller and can hold more data, the barcode development process has been fast and focused on efficiency. 

Here we will focus on Data Matrix codes, their importance, their history, and an in-depth look at:

  1. How they’re generated
  2. How they differ from other marking processes
  3. What industry these are most common in and on which type of materials and parts are they commonly found 

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