At micron-level tolerances, even “invisible” factors become decisive:

• workpiece stabilization time
• handling methods (even the heat from human hands can influence the result)
• cleanliness and stability of process media
• proper sequencing of operations

The post How We Achieve Micron-Level Precision in Tool Manufacturing and Repairs appeared first on CDL.

The post Casting vs. Machining appeared first on CDL.

Conclusion – Armor Precision Is Defined by EDM and CNC Technologies

With Armox armor steel, the true quality of the finished component is determined not only by the material itself, but primarily by the processing technology.

EDM wire cutting of Armox enables division of extremely hard ballistic steel with maximum precision, without mechanical loading and with minimal thermal influence. CNC machining of Armox armor steel—particularly using 3-axis and 5-axis CNC systems—then allows the creation of precise functional features while maintaining the material’s mechanical and protective properties.

At CDL, we focus long-term on precision EDM cutting and CNC machining of armor materials. Experience with hardened ballistic steel such as Armox allows preservation of both geometric accuracy and functional ballistic performance of the components.

With armor steel, it is not only the hardness of the material that matters — it is the entire technological process.

The post Armox as Armor Steel – Technological Processing, CNC Machining and EDM Cutting Without Degradation of Ballistic Properties appeared first on CDL.

Collaboration with Zenit company

Our ongoing collaboration with Zenit, from whom we purchased a wire cutter and EDM deepening machine by SODICK, led to a new partnership. Due to capacity limitations, we were asked to address and execute deepening with a challenging injection mold. As it was an urgent matter, we increased production and adjusted to a three-shift schedule.

Encapsulating electronics in plastic and other challenges

Additionally, we solved a technological issue related to encapsulating electronics in plastic. We were approached by a company manufacturing meteorological instruments that had sealing problems with embedding electronics in plastic. We are assisting in the development and production of plastic parts for electronics, and are also exploring further sealing solutions to prevent water and steam exposure to the electronics.

Our focus is increasingly shifting to the optical industry. We are involved in machining and injection molding optical components, with a key process being the assembly of these parts into a functional whole. This requires tremendous precision, a clean working environment, and expert skills from our employees, as even the smallest mistake can significantly affect the quality of the final image.

This month, we also completed two double injection molds and one double blow mold. We delivered a fully integrated product to the customer, consisting of these three parts.

Our motto

„From idea to final product,“ which encompasses the initial impulse, idea development, mood boards, and sketches of new solutions, material and technology selection based on our experience, functionality verification, prototype testing, and transforming the concept into a real product.

The post Newsletter – june 2025 appeared first on CDL.

Kapazitätserweiterung und neue Teammitglieder

Zwei neue Spezialisten für CNC 5-Achs-Bearbeitung sind unserem Team beigetreten. Dank ihrer Expertise konnten wir unsere Produktionskapazität deutlich steigern und die Abläufe so optimieren, dass wir auch an Wochenenden effizienter arbeiten können. Dieser Schritt ermöglicht es uns, schneller auf Kundenanforderungen zu reagieren und Produkte in noch kürzeren Lieferzeiten zu liefern.

Zusammenarbeit mit einem multinationalen Unternehmen

Wir freuen uns auch, eine neue Partnerschaft mit einem renommierten multinationalen Unternehmen bekannt zu geben. Gemeinsam arbeiten wir an der Entwicklung, Produktion und vollständigen Montage eines elektronischen Geräts. Diese Zusammenarbeit bestätigt unser Credo: „VON DER IDEE ZUM ENDPRODUKT.“ Wir bieten unserem Kunden eine umfassende, maßgeschneiderte Lösung, die alle Entwicklungs- und Fertigungsphasen abdeckt und somit höchsten Komfort und Zuverlässigkeit gewährleistet.

Neue Materialien und technologische Herausforderungen im Mai 2025

Die Fertigungswelt verändert sich ständig, und immer mehr Kunden wechseln von Metall- zu Kunststoffmaterialien. Diesen Trend haben wir aufgegriffen und uns im Mai intensiv mit der Bearbeitung des anspruchsvollen Materials PEEK mit 30 % Glasfaseranteil beschäftigt. Diese Erfahrung bestätigt unsere Bereitschaft, neue technische Herausforderungen anzunehmen und den Anforderungen unserer Kunden gerecht zu werden.

Eine besondere Herausforderung stellte die Bearbeitung von Halbedelsteinen dar, die von einem unserer Kunden angefragt wurde. Gemeinsam mit unserem Werkzeuglieferanten haben wir zunächst geeignete Werkzeuge für dieses spezielle Material ausgewählt und diese im Mai erfolgreich getestet. Das Ergebnis ist der Produktionsstart des Halbedelsteins LARIMAR – eine seltene hellblaue Pektolit-Varietät, die in der Dominikanischen Republik und auf den Bahamas vorkommt. Dieses Material hat eine Härte von 4–4,5 auf der Mohs-Skala. Für die präzise Bearbeitung nutzen wir ein hochmodernes CNC-Bearbeitungszentrum der Marke MAKINO mit einer Spindeldrehzahl von bis zu 30.000 U/min.

Teilnahme an bilateralen Gesprächen

Den Mai haben wir mit einer aktiven Teilnahme an bilateralen Gesprächen abgeschlossen, die von der Handels- und Industriekammer in Zusammenarbeit mit der Österreichischen Wirtschaftskammer Advantage Austria und dem Slowakischen Kunststoffcluster organisiert wurden. Diese Veranstaltung richtete sich vor allem an Produktions- und Technologieunternehmen sowie Dienstleister für den Maschinenbau- und Kunststoffsektor sowie die Metallverarbeitung und Fertigungstechnologien. Solche Treffen helfen uns, neue Kontakte zu knüpfen, Fachwissen zu vertiefen und Türen für vielversprechende Projekte zu öffnen.

Conclusion

Der Mai 2025 war für uns eine Zeit dynamischen Wachstums, neuer Partnerschaften und technologischer Innovationen. Wir sind stolz darauf, unseren Kunden umfassende Lösungen „von der Idee zum Endprodukt“ zu bieten, während wir unser Team kontinuierlich erweitern und neue Herausforderungen annehmen. Wir freuen uns auf zukünftige Projekte und Möglichkeiten, unsere Grenzen weiter zu verschieben.

Wir danken Ihnen für Ihr Vertrauen und hoffen, dass Sie diesen Weg auch in den kommenden Monaten mit uns gehen werden!

The post NEWSLETTER – MAI 2025 appeared first on CDL.

In today’s fast-paced world, where technological progress continually shapes the face of manufacturing and design, plastic components are facing increasing demand. In this article, we will delve into the world of plastic injection molding and 3D printing, uncovering their secrets, comparing their strengths, and considering when it’s appropriate to use plastic injection molding versus 3D printing.

Today, as we’ve revealed above, we’ll introduce two revolutionary methods shaping the future of manufacturing. At the core, we’ll open up a fascinating debate: when is it more suitable to use plastic injection molding and when, conversely, 3D printing.

Plastic injection molding is a technology that forms the basis of the modern plastic component manufacturing industry. It’s a process that combines scientific knowledge and technical skill to create a wide range of products, from simple everyday items to complex technical parts.

Plastic injection moulding process

To begin, plastic injection molding starts with the preparation and heating of plastic material into a liquid form. This material, most represented in the form of granules, is then injected under high pressure into a precisely manufactured metal tool—mold—that determines the final shape of the product. After injection and cooling of the plastic, the resulting part is removed from the mold, ready for further use or finishing processes.

The key to success in this technology is a high level of control over the process, including temperature, pressure, and time. These parameters must be optimized for each specific material and part design to ensure the highest quality and efficiency. Errors in these settings can lead to defects such as incomplete filling of the mold or the creation of internal stresses that may affect the properties and performance of the final product. 

Mould design and production

One of the most important and costly aspects of plastic injection molding is the design and manufacture of the mold. This step requires significant initial investment, but modern technologies such as advanced computer-aided design (CAD) software tools and computer-aided manufacturing techniques (CAM) enable precise and efficient mold creation. The quality and accuracy of the mold directly affect the quality of the final part and the efficiency of the entire manufacturing process.

Despite the high initial costs of mold production, plastic injection molding offers unparalleled efficiency and economy in mass production. Once the mold is ready, thousands or even millions of copies can be produced with minimal additional costs, reducing the unit costs to a fraction. This efficiency, combined with high quality and precision, makes plastic injection molding the ideal choice for a wide range of applications.

Universal application in various industries

Plastic injection molding is one of the most versatile and widely used manufacturing technologies today. It’s a process you’ll find in almost all aspects of modern life, from everyday items to highly specialized components. This article explores various industries and applications where plastic injection molding plays a key role and shows how this technology shapes the world around us.

One of the most common uses of plastic injection molding is the production of consumer goods. From food packaging, drink containers, toys, and utensils to mobile phone cases. This method is also used in the automotive industry, where plastic injection molding plays a significant role in reducing vehicle weight and improving fuel efficiency. Last but not least, it is also significant in the medical sector, where precision, sterility, and reliability are of the utmost importance. The electronics industry also doesn’t remain silent. It is important to mention the construction industry, where this method has become popular, especially in the production of durable, resistant, and lightweight materials.

 

Similarly, it finds its application in the aerospace and defense industries, especially in the production of components requiring exceptional lightness and high durability.

Advantages of Plastic Injection Molding

Plastic injection molding is one of the most widespread and technologically advanced methods for producing plastic parts and components, used in a wide range of industrial sectors. This method offers many advantages that distinguish it from other manufacturing processes, making it an ideal choice for mass production of high-quality plastic products. One of the main advantages of plastic injection molding is its ability to mass-produce complex geometric shapes with very high precision and consistency. With precisely designed molds, this process can produce parts with complex details, including thin walls, precise holes, and protrusions, which are often difficult or even impossible to achieve with other manufacturing methods.

Cost-effectiveness and scalability

Another significant advantage is the economic efficiency of plastic injection molding, especially in large production volumes. Although the initial costs of mold production and preparation may be high, the unit costs of the product are extremely low since the molds can be used to produce thousands or even millions of copies. This high level of scalability makes plastic injection molding an ideal solution for projects requiring large quantities of identical parts.

Material flexibility, automation and sustainability

Plastic injection molding also offers exceptional material flexibility, allowing the manufacturer to choose from a wide range of plastic materials based on performance, durability, weight, temperature resistance, and chemical resistance requirements. This ability to adapt to specific project needs means that products can be optimized for their specific use.

Additionally, plastic injection molding allows for a high level of automation, reducing labor costs and increasing production efficiency. Modern injection molding machines can be integrated into automated production lines where processes such as mold filling, cooling, part ejection, and even additional finishing operations can be carried out with minimal human intervention.

Finally, plastic injection molding is significantly more sustainable than many other manufacturing processes because it minimizes material waste. Excess plastic from the manufacturing process can usually be recycled and reused, reducing the environmental impact of production.

Given these advantages, it’s clear why plastic injection molding is so popular and widely used in the industry. From consumer electronics, the automotive industry, medical devices, to everyday consumer goods, plastic injection molding continues to provide efficient, high-quality, and economically viable solutions for plastic component manufacturing.

3D Printing

In recent years, we have witnessed a technological revolution that is transforming almost all aspects of manufacturing and design – 3D printing. This innovative technology, also known as additive manufacturing, allows for the creation of three-dimensional objects layer by layer from digital models. In this article, we will explore what exactly 3D printing is and how it works, revealing its potential and applications that are changing the rules of the game in many industries. Unlike traditional subtractive manufacturing techniques where material is removed to achieve the desired shape (e.g., machining, drilling), 3D printing adds material layer by layer until the final product is created. This process starts with a detailed digital design of the object, often created using computer-aided design (CAD) software.

Currently, the manufacturing industry is constantly evolving, with plastic injection molding and 3D printing (additive manufacturing) at the forefront of innovation, each with its own unique advantages and applications. This article provides a detailed comparison of these two technologies to help manufacturers and designers decide which method is best for their specific needs.

Key Differences

Plastic injection molding is a traditional manufacturing technology used for mass production of plastic parts. The process involves injecting molten plastic into a metal mold under high pressure, where the material solidifies and takes on the desired shape. On the other hand, 3D printing gradually creates objects layer by layer from a digital file. This technology allows for the creation of complex and customized designs with lower initial investments in tools or molds.

However, upon deeper examination of these two methods, we would find that plastic injection molding requires the production of specific molds, which can mean high initial costs compared to 3D printing. However, in the larger picture, at higher volumes, these costs become extremely low. Time also plays an important role. While plastic injection molding can operate within minutes, 3D printing takes days. Another significant difference is precision. Plastic injection molding allows for precise and consistent surface.

The post Injection Molding appeared first on CDL.

High-speed CNC Machine Spindles are used in a wide range of industrial sectors – from highly precise metal machining, through the production of components for the aerospace industry, to detailed work in the watchmaking industry – high-speed spindles are a fundamental pillar of modern manufacturing. Their ability to effectively process various materials at extreme rotational speeds brings significant advantages compared to traditional machining methods. High-speed CNC Machine Spindles bring revolution not only in speed and precision but also in the universality of processing various materials, thus significantly expanding the possibilities of design and production. This blog will guide readers through the world of these innovative tools, presenting their key features, principles of operation, and highlighting their indispensable role in enhancing the competitiveness and innovativeness of today’s manufacturing companies.

In today’s era, where the industry is constantly seeking ways to increase efficiency and precision in manufacturing processes, high-speed spindles represent a key technology with the potential to transform many aspects of production. These sophisticated components, capable of reaching immense rotational speeds, are invaluable tools in the hands of modern manufacturers, enabling them to work faster, more accurately, and with greater material flexibility than ever before. This blog offers insights into what high-speed spindles are, how they work, and why every industry expert should take note of them. We will explore their technical specifications, applications in various industrial sectors, and discuss the main benefits they bring to manufacturing processes. Whether you are an engineer, a production manager, or just a technology enthusiast, this blog will provide you with a comprehensive overview of how high-speed spindles can contribute to innovation in your production.

Construction and types of spindles in the metalworking industry

Basic construction

High-speed spindles for the metalworking industry are designed to withstand extreme loads and temperatures generated during high-speed machining. The basic construction of these CNC Machine Spindles includes:

Rotational axis

The core component of the spindle, rotating at high speed, is made of highly durable materials such as hardened steel or ceramics to withstand significant forces and temperatures.

Bearings

Critical for precise and stable operation at high speeds. High-speed spindles require special bearings, such as ceramic bearings or high-precision bearings, which minimize friction and wear.

Cooling system

Effective heat dissipation is essential for maintaining the optimal temperature of the spindle. Various cooling methods are used, including internal cooling through the circulation of cooling fluid or external cooling with air or oil.

Drive

Electric spindles are most commonly used in metalworking industries, where an electric motor integrated directly into the spindle construction enables high speeds. Drive can also be achieved through pulleys, allowing variable speeds and adaptability to different types of machining.

Maximum speeds (RPM) of high-speed CNC Machine Spindles

One of the most important performance characteristics of high-speed spindles, especially in the context of metalworking operations, is their maximum speeds, expressed in revolutions per minute (RPM). This value is a critical factor influencing the selection of a spindle for specific manufacturing applications, as it directly affects the speed and efficiency of the machining process.

 

Range of speeds

High-speed spindles in metalworking operations typically offer a speed range from 20,000 to over 100,000 RPM. This wide range allows the manufacturer to adjust the machining speed according to the material and the required operation, whether it is fine drilling, detailed milling, or high-speed machining.

Our company, CDL, is proud to have in our manufacturing arsenal a state-of-the-art CNC machining 5-axis center from Makino, equipped with a high-speed spindle with a maximum speed of up to 30,000 RPM.

Advantages of using such spindles

 

The use of high-speed CNC Machine Spindles in the metalworking sector brings a series of technological and production advantages that significantly increase the efficiency and precision of machining processes. These advantages are crucial for improving the competitiveness and innovative capacity of manufacturing companies. Below are detailed the main benefits of implementing high-speed spindles from a technical perspective.

 

Increase in productivity of machining processes

Increasing the productivity of machining processes through the implementation of high-speed spindles represents a fundamental shift in the paradigm of metalworking production, based on more efficient material removal and optimization of production cycles. This phenomenon can be scientifically explained through several key mechanisms and physical principles that are activated when using high speeds in the machining process.

 

Thermodynamic properties of cutting

At higher spindle speeds, changes occur in the thermodynamic properties of the cutting process. The temperature in the cutting zone increases, which may result in a decrease in the material strength at the cutting point. This phenomenon allows the tool to remove material with less resistance, reducing the force required for cutting and enabling faster tool movements, thereby increasing the overall productivity of the process.

 

Dynamics of the cutting process

Increased spindle speeds significantly influence the dynamics of the cutting process. Higher tool rotation speeds improve heat dissipation from the cutting zone, reducing tool thermal damage and increasing its lifespan. Similarly, chip evacuation from the cutting zone is improved, minimizing the risk of chip jamming and increasing process reliability.

 

Material removal efficiency

High speeds enable more efficient material removal by optimizing the cutting regime. At higher rotation speeds, thinner and sharper tools can be used, requiring less cutting pressure, thus reducing the overall mechanical load on the workpiece and the machine. This principle allows for increased feed rates and cutting depths, directly leading to an increase in the amount of material removed per unit of time.

 

Summary

From a technical perspective, it can be concluded that increasing the productivity of machining processes through the use of high-speed spindles is the result of a complex interaction of thermodynamic, mechanical, and material factors. Together, these factors enable faster and more precise machining with lower operating costs and improved product quality. The result is a significant increase in the efficiency and productivity of manufacturing processes, which is essential for maintaining competitiveness in today’s rapidly changing industrial environment.

Optimization of surface characteristics and dimensional accuracy

Optimization of surface integrity and microstructure of the workpiece is a key aspect in increasing the quality and functionality of manufacturing components, directly influenced by the use of high-speed spindles in machining processes. Increased spindle speeds induce less mechanical and thermal stress in the workpiece compared to traditional machining processes, leading to a more pronounced improvement in microstructural homogeneity and reduction in surface defects.

From the perspective of thermomechanical interaction, at high speeds, rapid heat dissipation from the cutting zone minimizes the risk of thermal damage to the workpiece, such as burns or microcracks. This effect is crucial for maintaining the microstructural integrity of the material, as it maintains a stable and predictable structure throughout the surface of the workpiece.

At the microscopic level, high-speed machining promotes the formation of a finer and more uniform chip, reducing mechanical stress on the workpiece surface. This process also promotes the creation of smoother and more uniform surfaces, reducing the phenomenon of „pull-out“ (grain pulling), which is particularly important when machining materials with heterogeneous microstructure.

Additionally, high-speed spindles allow the use of finer and more precise cutting tools, ensuring minimal pressure on the workpiece during cutting and thereby reducing mechanical deformation and improving the geometric accuracy of the product. This technique also contributes to the improvement of microstructural cleanliness of the cutting zone by reducing the occurrence of microcracks and improving the adhesion of coatings if applied subsequently.

In the context of product sustainability and longevity, improved surface integrity and optimal microstructure obtained through high-speed machining increase the durability of components against wear, corrosion, and fatigue phenomena. This represents a significant added value for applications where high demands are placed on material.

The post High-Speed CNC Machine Spindles appeared first on CDL.