Are you in the market for a press brake but don’t want to break the bank on a brand-new machine? Finding the perfect used press brake can be a game-changer for your fabrication needs, offering both cost savings and reliable performance. But with so many types and brands out there—hydraulic, mechanical, hybrid, and electric—how do you make the right choice? This comprehensive guide will walk you through everything you need to know, from understanding the differences between press brake types to evaluating key specifications and identifying reputable brands like Accurpress and Amada. Ready to discover the secrets to scoring a high-quality used press brake that fits your budget and meets your needs? Let’s dive in.
Hydraulic press brakes are driven by hydraulic oil and feature two synchronized hydraulic cylinders that apply force. These versatile machines excel at handling thicker materials with precision. They are ideal for heavy-duty applications such as construction and shipbuilding, offering smooth and consistent operation.
Mechanical press brakes utilize a flywheel, crank mechanism, and clutch to function, making them renowned for their speed and efficiency. These machines are suitable for high-volume production environments like automotive manufacturing, excelling in delivering rapid and repetitive bends.
Electric press brakes, also known as servo-electric press brakes, run on electric servo motors. These machines are highly accurate and energy-efficient, as they do not rely on hydraulic systems. They offer precise control and are suitable for applications requiring exact bends, such as in the electronics and aerospace industries.
Hybrid press brakes combine the advantages of hydraulic and electric systems. They use a hydraulic system to provide the necessary force while incorporating electric servo motors for precision control. This blend of technologies boosts energy efficiency, reduces maintenance needs, and enhances accuracy, making hybrid press brakes suitable for a wide range of applications.
By understanding each type’s characteristics and advantages, you can select the right machine to meet your needs, ensuring optimal performance and productivity.
Mechanical press brakes utilize a flywheel and clutch system to generate force. The flywheel stores energy, which is then released to move the ram vertically. This design results in a simpler mechanism but limits flexibility compared to hydraulic systems. The mechanical nature of these press brakes makes them suitable for high-speed operations but restricts the ability to adjust the stroke during the bending process.
Hydraulic press brakes operate using synchronized hydraulic cylinders on the C-frame to move the ram. This system allows for greater control over the bending process, enabling the operator to reverse the stroke at any point in the cycle. Hydraulic press brakes offer more precision and flexibility, making them ideal for complex bending tasks.
Mechanical press brakes are typically limited to simpler tasks and lack the precision needed for complex jobs. In contrast, hydraulic press brakes excel in high-precision and complex tasks due to their advanced control systems. They provide more accurate bends and allow for adjustments to the bending angle, making them suitable for projects demanding detailed precision. The advanced control over the bending process ensures consistent and high-quality results.
Mechanical press brakes can be riskier because they must complete their cycle before stopping, which can be hazardous. Older models may also lack modern safety features.
Hydraulic press brakes are generally safer because they can be stopped or reversed at any point in the cycle. They often come equipped with advanced safety features such as emergency stop buttons, safety guards, and light curtains, providing a safer working environment and reducing the risk of accidents.
Mechanical press brakes operate faster, making them suitable for high-volume production. However, their mechanical design limits full automation.
Hydraulic press brakes are slower but offer variable speed control and easier integration with automation systems. The ability to control the speed and integrate with automation enhances their versatility in various manufacturing processes.
Mechanical press brakes are cheaper initially and have lower short-term maintenance costs. However, they may need more repairs over time. Hydraulic press brakes are more expensive upfront but offer better long-term value due to their advanced features and durability.
When purchasing a used press brake, it is essential to thoroughly inspect the machine’s condition, regardless of whether it is mechanical or hydraulic. Key areas to focus on include:
By considering these factors, you can make an informed decision that aligns with your specific project requirements and ensures the optimal performance and safety of the press brake.
Tonnage refers to the maximum force a press brake can exert to bend metal. It is a critical specification as it determines the machine’s capability to handle various material thicknesses and types. When selecting a press brake, ensure its tonnage aligns with the heaviest and thickest materials you will be working with. Overestimating your tonnage needs can lead to unnecessary costs, while underestimating can result in insufficient bending force and potential damage to the machine.
The length of the press brake, particularly the bed length, dictates the maximum width of the material that can be bent. Typical bed lengths range from 3 to 20 feet, and it is essential to match the bed length with the largest size of the material you plan to work with. Additionally, the throat depth measures the distance from the center of the ram to the machine’s frame. This depth determines the maximum depth of bend that can be achieved and is crucial for applications requiring deep bends or working with larger sheets of metal. A greater throat depth allows for more versatility in bending complex shapes and larger materials.
Working pressure is another vital specification, especially for hydraulic press brakes. This parameter indicates the hydraulic system’s maximum pressure, directly affecting the machine’s tonnage and bending capabilities. Ensure the working pressure is adequate for your bending requirements, considering both the material type and thickness.
The open height of a press brake is the maximum distance between the ram and the bed when the machine is fully open, which is essential for accommodating taller parts and for ease of loading and unloading materials. Additionally, stroke length refers to the total distance the ram can travel during the bending process. It is a crucial factor for achieving the desired bend angles and for processing materials of varying thicknesses. A longer stroke length provides more flexibility and allows for deeper bends, which is particularly important for complex fabrication tasks.
The back-gauge system is used to position the material accurately during the bending process. Consider whether you need a manually adjusted or CNC-controlled back-gauge. CNC-controlled systems offer higher precision and automation, which can significantly improve efficiency and accuracy in production.
Press brakes can have multiple axes of control, such as Y, X, R, and Z axes. The number of axes required depends on the complexity of the bends you need to perform. Basic machines may have a single axis, while advanced CNC machines can have up to 10 axes, offering greater control and precision for intricate bending tasks.
Safety features are paramount when selecting a press brake. Look for machines equipped with emergency stop buttons, safety guards, and light curtains. These features protect operators by preventing accidental injuries and ensuring safe operation during the bending process.
When purchasing a used press brake, always inquire about its maintenance and service history. A well-maintained machine with documented service records is more likely to perform reliably and have a longer lifespan. Check for any major repairs or upgrades that have been performed to assess the overall condition of the machine.
Ensure that the press brake’s electrical requirements match your facility’s power supply. Common requirements include 460V/3-Ph power, but this can vary depending on the machine. Verifying compatibility can prevent installation issues and ensure smooth operation.
Tooling compatibility is another important consideration. Different types of tooling, such as American Traditional Precision-Planed, European Precision Ground, or New Standard (New American) tooling, offer varying levels of precision and cost. Ensure the press brake can accommodate the tooling you need for your specific applications. Having a duplicate set of tooling can also help reduce downtime during production.
Before finalizing a purchase, thoroughly inspect the press brake for any visible signs of wear and tear. Test the machine’s functionality to ensure it operates correctly and meets your production needs. Check for any necessary repairs or upgrades that may have been done in the past to assess the machine’s overall condition and performance.
Amada is renowned for its high-precision press brakes equipped with advanced CNC controls and automatic tool-changing features. Known for their robust construction and innovative technology, Amada press brakes are ideal for industries requiring high accuracy and efficiency. Popular models include the Amada HFE3i series, which offers enhanced automation and user-friendly interfaces, and the Amada HD series, known for its high bending accuracy and energy-efficient performance.
Trumpf Inc, a German manufacturer, is recognized for its durable and precise press brakes. Trumpf machines are designed with self-measuring angle adjustments and energy-efficient systems, providing reliable performance and robust customer support. Notable models include the TruBend series, such as the TruBend 3000 and TruBend 5000, offering high flexibility and suitability for a wide range of bending tasks.
Based in Switzerland, Bystronic is acclaimed for its high-performance press brakes and automation solutions. Their machines are particularly favored in industries requiring intricate and complex bending tasks. The Bystronic Xpert series features the ByVision touchscreen controller, which makes operation simple and boosts productivity. Models like the Bystronic Xpert Pro are known for their high precision and advanced automation capabilities.
Accurpress is known for producing user-friendly hydraulic and CNC press brakes with a focus on longevity. Their machines are user-friendly and come with strong customer support, ensuring reliable performance. Popular models include the Accurpress Advantage and Accurpress Edge, which are designed to provide reliable performance and are ideal for both small and large-scale production environments.
Cincinnati offers a range of models suitable for various applications. The Proform series is designed for high-speed bending and precision, while the Maxform series offers advanced CNC controls and a high degree of automation for complex tasks.
Pacific press brakes are recognized for their heavy-duty construction and capability to handle large-scale bending operations. Their models, such as the Pacific K-Series, are designed for durability and high performance in demanding industrial environments. The Pacific J-Series is also popular for its versatility and ease of use, making it suitable for a wide range of bending applications.
LVD offers versatile press brakes known for their precision and flexibility. The LVD Easy-Form series, for example, features adaptive bending technology that ensures high accuracy and consistency. The LVD ToolCell series integrates automatic tool changing, which enhances productivity and reduces setup times.
Prima Power is known for its advanced press brake technology, including cutting-edge automation and robotic integration. The Prima Power eP series, for instance, is designed for energy efficiency and high precision, making it suitable for various industrial applications. Their machines are equipped with features like automatic angle measurement and correction, ensuring high-quality bending results.
Durma press brakes are valued for their balance of performance and affordability. They are ideal for heavy-duty bending tasks and are known for their durability and ease of maintenance. Popular models include the Durma AD-S series, which offers advanced CNC controls and high precision, and the Durma E series, known for its energy-efficient performance and user-friendly operation.
Precision and Automation:
Amada press brakes are celebrated for their precise CNC controls and automatic tool-changing features, making them perfect for complex, high-volume tasks. Trumpf, on the other hand, excels in providing high-performance press brakes with self-measuring angle adjustments and energy-efficient systems. Both brands offer exceptional precision, but Amada’s focus on automation may provide an edge in highly automated production environments.
Durability and Customer Support:
Trumpf press brakes are known for their robust construction and strong customer support, which includes comprehensive training and after-sales services. Amada also offers durable machines with excellent technical support, but their higher initial cost and complexity may require more specialized training.
Advanced Automation:
Bystronic press brakes feature advanced automation and intuitive controls, making them suitable for intricate bending tasks. Their high accuracy and stability are particularly advantageous for businesses requiring precise and consistent results. Accurpress, while also reliable, focuses on user-friendly hydraulic and CNC models that emphasize longevity and ease of use.
Cost and Accessibility:
Accurpress machines, known for their reliability, are more accessible in the North American market and offer strong customer support at a competitive price. Bystronic machines, with their advanced features, may present a steeper learning curve and higher initial investment, but they deliver exceptional performance for complex applications.
Speed and Precision:
Cincinnati’s Proform series is designed for high-speed bending and precision, making it suitable for environments where production speed is critical. The Maxform series includes advanced CNC controls, ideal for complex tasks. Pacific press brakes, known for their heavy-duty construction, are ideal for large-scale operations requiring robust performance.
Versatility:
Pacific’s models, such as the K-Series and J-Series, offer versatility and ease of use, catering to a wide range of bending applications. Cincinnati’s models, with their advanced controls and high-speed capabilities, provide an excellent balance of precision and efficiency for various production needs.
Performance and Affordability:
Durma press brakes are valued for their balance of performance and affordability, making them suitable for heavy-duty tasks without a significant financial burden. Models like the AD-S series feature advanced CNC controls and high precision, while the E series focuses on energy efficiency and ease of use.
Adaptive Technology:
LVD’s press brakes, such as the Easy-Form and ToolCell series, incorporate adaptive bending technology and automatic tool changing. These features ensure high accuracy and productivity, making LVD an excellent choice for industries requiring consistent and precise bending results.
Energy Efficiency and Automation:
Prima Power’s eP series is designed for energy efficiency and high precision, featuring advanced automation and robotic integration. This makes Prima Power a strong contender for applications requiring cutting-edge technology and sustainable operations. Trumpf’s TruBend series also emphasizes energy efficiency and reliability, with robust customer support to ensure optimal performance.
Flexibility:
Trumpf machines, such as the TruBend 3000 and 5000 series, offer great flexibility and are suitable for a variety of bending tasks. Prima Power’s advanced features, including automatic angle measurement and correction, provide a competitive edge in applications demanding high-quality bending results.
When selecting a press brake, it’s essential to understand your specific fabrication needs. Assess the types of projects you’ll be working on, the materials you’ll be bending, and the production volume to determine the necessary specifications and features.
Different materials and thicknesses require varying levels of force and precision. Identify the types of metals you’ll be working with, such as aluminum, stainless steel, or mild steel, and their respective thicknesses. This will guide you in choosing a press brake with the appropriate tonnage and capabilities.
Precision is key in many metalworking projects. Determine the level of accuracy required for your bends. If your projects demand high precision, consider press brakes with advanced CNC controls and automated features. Additionally, assess the complexity of the bends you need to perform, as this will influence the type of press brake and tooling required.
The tonnage capacity of a press brake indicates the maximum force it can exert, so make sure it can handle the thickest material you plan to bend.
Consider the maximum length of the material you need to bend. The press brake should have a bed length that accommodates your largest workpieces. Additionally, evaluate the throat depth and open height to ensure they meet your project requirements.
A reliable backgauge system is essential for achieving consistent and accurate bends. Decide whether you need a manual or CNC-controlled backgauge based on your precision and production needs.
Modern press brakes come with a range of advanced features that enhance productivity and precision. Look for options like CNC controls for precise and repeatable bends, automated tool changers to reduce setup times, and safety systems such as light curtains.
Investing in a press brake from a reputable manufacturer ensures long-term reliability and performance, so research brands with a history of producing durable, high-quality machines.
Consider whether the press brake can be upgraded or integrated with additional automation systems in the future. This flexibility is important as your production needs evolve.
While it’s important to stay within budget, ensure you don’t compromise on essential features and specifications. A well-chosen press brake will provide better value and performance over time.
By carefully evaluating these factors, you can select a press brake that meets your specific needs, ensures optimal performance, and supports long-term operational success.
When purchasing a used press brake, choosing a reliable source is crucial to ensure the quality and performance of the equipment. Here are some reputable sources where you can find a wide selection of used press brakes:
Since 1962, Kempler Industries has specialized in selling high-quality used press brakes. They offer a diverse inventory that includes mechanical, hydraulic, hydra-mechanical, and CNC press brakes. Kempler Industries provides a 30-day return guarantee, which adds an extra layer of security to your purchase. They also actively buy used surplus press brakes, ensuring their inventory is constantly updated.
Revelation Machinery offers an extensive, regularly updated inventory of used press brakes from top brands like Accurpress, Amada, Bystronic, and Cincinnati, including hydraulic, mechanical, hybrid, and electric models. They also provide support for those looking to sell their used equipment, facilitating a smooth transaction process.
KD Capital Equipment lists a wide range of used press brakes from multiple reputable brands, including Accurpress, Amada, Bystronic, and Cincinnati. Their inventory is updated daily, and they offer tools like brand tables and advanced filters to help narrow down your search. This ensures you can find a press brake that matches your specific requirements.
Specializing in bending and forming technologies, Southern Fabricating Machinery Sales can assist you in selecting the right used press brake for your needs and budget. They provide expert advice and useful tools, such as a press brake inspection checklist, to help you make an informed purchase.
Inspecting the physical condition of a used press brake is essential. Look for signs of wear and tear, such as rust, dents, or scratches. Ensure that the alignment of the machine components is correct and that there are no visible damages to critical parts like the ram, bed, and tool holders.
Check the tonnage and bending capacity of the press brake to ensure it meets your project’s requirements. Also, consider the machine’s accuracy, speed, control system, and safety features. Testing the machine’s functionality before purchase is crucial to ensure it performs optimally.
Make sure to research the manufacturer and model to ensure it’s from a reputable brand known for quality. Consider the specific features and capabilities of the model and how well they align with your project needs.
Research the reputation and reliability of the seller. Evaluate their history, customer reviews, and any warranties or guarantees they offer. This step helps avoid potential scams and ensures you are dealing with a trustworthy source.
Compare prices, specifications, and warranties from different sources, including online marketplaces and local dealers. This helps in finding the best deal that fits your budget and requirements.
By keeping these factors in mind and choosing reputable sources, you can confidently find a used press brake that fits your production needs and budget.
Daily cleaning of the press brake and its work area is essential. Accumulated dirt and debris can increase friction and lead to part breakdowns. Use a clean cloth to wipe the machine before each day’s operation, and ensure the work area is free from oil, grease, and scrap materials.
Regularly inspect the hydraulic system to prevent malfunctions. Check for hydraulic leaks and ensure all connections are secure. Lubricate the necessary parts, such as the grease nipples of the hydraulic mechanism, using a brush and referring to the machine manual for specific lubrication points.
Regularly calibrate the back gauge to ensure it remains parallel to the beam for precise bends. Check that the tooling system locks tightly to prevent wobbling, which can lead to poor results.
Inspect the condition of the ram and bed for any signs of damage, such as deformation or gouging. Check tool holders and other critical components for wear or damage. Tighten all bolts after maintenance procedures to avoid machine damage or operator injury.
Never place hands or any part of the body between the dies, even when the press brake is stopped. The area where the forming takes place is especially dangerous.
Ensure the press brake is equipped with proper safeguarding devices such as light curtains, laser beam guards, mechanical guards, and two-hand controls. These devices prevent accidental contact with moving parts and stop the machine if the safety zone is breached.
Use emergency stop buttons strategically placed to quickly halt the machine in case of an emergency. Ensure the ram is in a safe position, either at the bottom of the stroke or resting on appropriate blocks or tooling, when leaving the machine unattended.
Operators should be thoroughly trained in specific safety protocols associated with press brakes. Designate a crew leader to ensure consistent adherence to comprehensive safety protocols.
Maintain a clean and organized work area free from tripping hazards. Use slip mats, avoid distractions while operating, and rotate footswitch cords away from walkways to prevent trip hazards.
Always wear personal protective equipment like gloves and goggles, and avoid loose clothing or accessories that could get caught in the machine.
Prioritize proper lockout/tagout procedures before performing any maintenance tasks on the press brake to ensure the machine is completely standstill and disconnected from the main supply.
Below are answers to some frequently asked questions:
Hydraulic press brakes use synchronized hydraulic cylinders for smooth and controlled operations, offering variable stroke lengths and adjustable tonnage, making them versatile for various materials and thicknesses. Mechanical press brakes, on the other hand, operate through a flywheel-driven mechanism, providing precise and repeatable bending but with limited stroke adjustability. Hydraulic press brakes are generally safer, more adaptable, and suitable for custom fabrication, while mechanical press brakes are ideal for high-speed, uniform tasks in high-volume production due to their simpler design and lower maintenance costs. Understanding these differences is crucial when purchasing a used press brake.
Top brands offering high-quality used press brakes include Cincinnati, Amada, Trumpf, Accurpress, Bystronic, and Durma. Cincinnati is known for its robust and durable machines, while Amada and Trumpf are renowned for their precision and advanced features. Accurpress provides user-friendly and long-lasting models, and Bystronic offers high-performance machines with advanced automation. Durma is recognized for its versatile and well-constructed press brakes. When buying used press brakes, it’s essential to research the manufacturer, evaluate machine condition, and assess seller reliability to ensure a trustworthy purchase, as discussed earlier in the guide.
To choose the right press brake for your fabrication needs, consider evaluating your specific fabrication requirements, including material types and thickness, and the complexity of the bends. Assess the necessary tonnage capacity to ensure the press brake can handle the materials you work with, and choose a bending length that accommodates your typical workpiece dimensions. Additionally, determine the level of precision and production efficiency needed, and consider the operator skill level required for the press brake’s features and capabilities, such as CNC controls and backgauge systems. Finally, ensure the machine’s reliability, maintenance support, and scalability for future needs.
You can find used press brakes for sale through various reliable sources, including online marketplaces like Revelation Machinery and Machinio, specialized equipment dealers such as Elite Machinery, Inc. and Southern Fabricating Machinery Sales, Inc., and refurbished equipment sellers like ADH Machine Tool. These platforms offer a range of options from top brands like Accurpress, Amada, and Cincinnati. Always consider inspecting the machine’s condition, verifying the seller’s reputation, and ensuring the press brake meets your specific requirements in terms of tonnage, bending capacity, and features.
To maintain a press brake effectively, follow key practices such as daily inspections for loose or damaged parts, regular cleaning to remove dust and debris, and consistent lubrication as per the manufacturer’s guidelines. Weekly and monthly tasks include greasing moving parts, checking hydraulic systems for leaks and fluid levels, and inspecting electrical components. Additionally, perform deep cleanings of the hydraulic circuit bi-monthly and conduct comprehensive annual inspections. Creating a preventive maintenance schedule and ensuring operators are well-trained can further enhance the machine’s longevity and performance. Always refer to the manufacturer’s manual for specific maintenance instructions and recommendations.
When using press brakes, ensure to follow key safety precautions such as never placing hands or body parts between the dies, utilizing safeguarding methods like presence sensing devices and dual palm buttons, maintaining mechanical and interlocked guards, employing two-handed controls and emergency stops, keeping a safe distance and clear work area, ensuring operators are well-trained, conducting regular maintenance and inspections, using personal protective equipment, being cautious of backgauge and pinch points, strategically placing foot switches or pedals to prevent accidental activation, and managing ventilation and coolant/lubricant levels to prevent overheating and ensure safe operation.
