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OSM Bending Machine-Flexural Center

High Efficiency and Automation
High Precision and Versatility
Energy Efficiency, Environmental Protection, and Easy Maintenance

OSM OG-35III bottom-driven hydraulic CNC press brake, ideal for medium to small sheet metal bending with high precision and stable performance.
OSM OG-50III down-acting hydraulic CNC press brake, featuring compact design and stable performance for precise bending of small to medium sheet metal parts.
OSM OG-60III down-acting hydraulic CNC press brake, featuring robust structure and high bending precision for versatile metalworking applications.
奥斯玛OG-100III下动式液压数控折弯机,适用于超长钣金工件的高精度折弯,加工稳定效率高。
OSM OG-150III bottom-drive hydraulic CNC press brake with high rigidity and precision bending performance, ideal for heavy-duty sheet metal processing.
  • OSM OG-35III bottom-driven hydraulic CNC press brake, ideal for medium to small sheet metal bending with high precision and stable performance. OSM OG-50III down-acting hydraulic CNC press brake, featuring compact design and stable performance for precise bending of small to medium sheet metal parts. OSM OG-60III down-acting hydraulic CNC press brake, featuring robust structure and high bending precision for versatile metalworking applications. 奥斯玛OG-100III下动式液压数控折弯机,适用于超长钣金工件的高精度折弯,加工稳定效率高。 OSM OG-150III bottom-drive hydraulic CNC press brake with high rigidity and precision bending performance, ideal for heavy-duty sheet metal processing.

OG Series Down-Acting Hydraulic Press Brake


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July 23, 2025 udated

Model: OG Series

Product Overview:
The OG series press brake forms multi-thickness sheet metal with high precision through a hydraulic down-acting dual-guide structure and an inclined wedge fine tuning crowning system. When combined with a dual-sided quick-release mold assembly and a low-fault hydraulic system, they efficiently and stably process various shaped workpieces.

Application:
Equipped with triple hydraulic cylinders featuring synchronized drive and FR Bending Technology, this machine achieves ±0.5° ultra-high precision and complex contour processing. Ideal for automotive chassis components, new energy battery trays, 5G heat sinks, aerospace titanium alloy skins, and other irregular parts, it serves premium sectors including automotive manufacturing, new energy power batteries, optoelectronics, and aerospace.


No.ItemUnitOG-35ⅡOG-35ⅢOG-50ⅡOG-50ⅢOG-50LⅡOG-50LⅢOG-60ⅡOG-60ⅢOG-100ⅡOG-100ⅢOG-150ⅡOG-150Ⅲ
1Nominal ForceKN3503505005005005006006001000100015001500
2WorkbenchMM120012001200120015001500200020003000300032003200
3Bending LengthMM125012501250125015001500220022003200320032003200
4Colume DistanceMM101010101010101013101310169016902540254025402540
6Stroke DistanceMM100100100100100100100100100100100100
7Max. DaylightMM400400400400400400400400400400400400
8Approach SpeedMM/S56-6856-6853-6553-6553-6553-6550-6350-6350-6350-6350-6350-63
9Bending SpeedMM/S1-9.51-9.51-9.61-9.61-9.61-9.61-111-111-131-131-131-13
10Return SpeedMM/S606050504545404055555050
11Dimensions(Max.)LengthMM145014501500150018001800220022003350335033503350
12WidthMM135013501530153014501450140014001600160016001600
13HeightMM215021502110211021002100220022002450245025002500
15Mian Motor PowerKW3344445.55.57.57.51111
16Total PowerKW555.55.55.55.5779912.512.5
17Power Supply Cable M㎡2.52.52.52.52.52.5444466
18Gross Weight (Approx.)KG 210021002540254029002900335033506700670080008000

Industry Applications: new energy, electronics and electrical appliances, 5G products, server racks and cabinets, filing cabinets, kitchenware, range hoods, air purification equipment, etc.

Down-Acting Hydraulic Press Brake: A Cost-Effective Domestic Option

High Efficiency, Consistent Precision

Specifically engineered for metal sheet bending, combining high-speed operation with precision accuracy to deliver desired angles/shapes for both thick and thin plates, ensuring time/labor efficiency and consistent quality.

Versatile Mold for Broad Applications

Utilizing upper/lower dies of various profiles, the system enables complex workpiece fabrication to meet diverse processing requirements, offering flexible adaptation to custom orders.

Integrated Hydraulic System for Reliable Operation

Featuring a down-acting hydraulic system with integrated design, it achieves compact structure, low failure rate, and minimal maintenance requirements for reliable operation.

Dual Guide Structure Ensuring Angular Consistency

Dual safeguards of cylinder side guidance and upper stopper positioning ensure smooth ram movement and precise angle control during every bending cycle.

Automatic Upper Die Crowning for Enhanced Precision

Equipped with wedge-type fine-tuning crowning mechanism and quick-clamp system, it automatically adjusts to material variations to eliminate errors, enhancing consistency and final product yield.

Cost-Effective Domestic Alternative with Dedicated Service

As a down-acting hydraulic press brake, it offers optimal cost-efficiency supported by localized technical assistance and rapid after-sales service, making it the preferred choice for mid-to-high-end users.

OG Series Press Brake Details

Close-up of OSM CNC press brake foot pedal switch, designed for convenient operation and enhanced production safety.

Foot Switch

The use of foot pedal switch, effectively reduce the work intensity of the workers, improve the working efficiency. With a mechanical life of over 1 million cycles

Close-up of OSM hand wheel control function, showing how hand wheel adjustment during first-piece bending tests improves operational intuitiveness and convenience while enhancing safety.

Handwheel Control for D & L Axes

When the first piece of the workpiece bending test is performed, the use of the hand wheel adjustment function greatly facilitates the understanding of the operation and improves security.

Close-up of OSM arbitrary lower limit control function, demonstrating precise control of bending lower limit position to enhance machining accuracy and safety, optimizing the bending process.

Arbitrary lower limit

By using the direct control of the digital encoder, the height of the stop of the working table is directly controlled, in order to avoid unnecessary empty travel, greatly improve the production efficiency.

Close-up of OSM double-sided quick clamp, featuring an efficient and secure clamping device design that enhances workpiece stability and quick replacement during bending operations.

Double Quick Release and Clamping Device

The upper tool quick-clamping device ensures straightforward and stable installation, prevents upper tool displacement, enables rapid release/clamping cycles, and significantly reduces setup time.

Hydraulic Cylinder

High-Performance Hydraulic Cylinder

  • Enhanced Strength: Constructed from high-strength alloy steel, the cylinder body offers a 30% increase in pressure resistance, ensuring reliable performance under high-load and high-frequency bending operations.​
  • Precision Control: The advanced hydraulic control system delivers rapid response times (≤0.1 seconds) with a positioning accuracy of ±0.05 mm, guaranteeing precise bending angles.​
  • Advanced Sealing: Utilizing nano-level sealing technology, the cylinder is highly resistant to wear and leakage, effectively doubling its service life and reducing maintenance costs.​
  • Energy Efficiency: The low-energy-consumption hydraulic circuit design achieves a 25% energy savings compared to traditional cylinders, contributing to lower operational costs.​
  • Overpressure Protection: Features automatic pressure relief when pressure exceeds safe limits, safeguarding the equipment from potential damage.
Close-up of the hydraulic cylinder in the OG series downward-acting CNC press brake, highlighting the stability and reliability of OSM's core power components.

Corrosion-resistant high-strength housing

Core Frame Structure

One-piece CNC machining

Our press brakes are welded into shape and then machined as a whole using a large gantry CNC machining center, ensuring superior precision and structural integrity.

Gantry milling process in OSM press brake manufacturing, showcasing high-precision large-scale machining capabilities.

Nested frame design

Compared to traditional welded structures, the nested frame design eliminates distortion and deflection. It ensures stable geometry and maintains machining accuracy over long-term use.

Close-up of OSM press brake body, showcasing sturdy construction and excellent manufacturing craftsmanship.

Multi-layer and multi-pass welding​

The machine body welding process employs robotic automatic welding combined with manual touch-up welding.Every connection on the press brake frame is welded 10 times, strictly following Multi-layer and multi-pass welding​ standard for maximum strength and durability.

Real shot of OSM press brake manufacturing process, showcasing robotic arm performing high-precision automated welding to enhance frame strength and stability.

Overall tempering

After the machine body is welded into an integral structure, it undergoes an overall tempering process at a temperature range of 400-650 degrees Celsius, ensuring high consistency in the strength of the machine body.

Tempering process in OSM press brake manufacturing, enhancing structural stability and durability.

Triple-layer protective painting

Once the mainframe is integrally fabricated, it is fully sandblasted and coated with one primer layer and two topcoats using eco-friendly water-based paint — ensuring excellent adhesion and a finish that never peels.

Close-up of OSM press brake body, showcasing sturdy construction and excellent manufacturing craftsmanship.

Manufactured using high manganese steel

Made by high-manganese steel grades Q355 and Q235, which are of the same high-yield-strength steel type as that used in warships, submarines, and cross-sea bridges

Close-up of high-quality sheet metal used in OSM press brake manufacturing, highlighting durable materials and excellent craftsmanship.

OG SERIES CNC Control System

Close-up of OSM press brake control system screen, showing advanced CNC operation interface.

Smart and Easy

1.TFT Touchscreen Interface: Features a vibrant TFT color LCD touchscreen for intuitive, dialog-based data entry, either directly or via a remote handwheel.​ 
2.High-Precision Control: Equipped with Keyence digital controller and Mitsubishi servo amplifier, enhancing stability and precision. Supports up to 999 preset programs.​ 
3.Synchronized Axis Control: Integrates L-axis (backgauge) and D-axis (depth) controls for synchronized operation.​ 
4.Direct Input Mode: Operators input L and D values; the system auto-sets other parameters from its database.​ 
5.Angle Input Mode: By entering material thickness, type, bend length, angle, and tooling, the system calculates axis positions automatically.​ 
6.User-Friendly Operation: Designed for ease of use with minimal training, faster processing, and simplified maintenance.

OG Series Back Gauge Assembly

Semi-automatic/fully automatic back gauge assembly (optional)

The advantages of 2-axis/3-axis back gauge blocks:
A. Equipped with linear guide rail scales, back gauge blocks freely slide to precise positions with ease of movement.
B. Scales adjustable via unilateral manual/electric modes for fast, precise adjustments, facilitating vertical positioning calibration.

Close-up of OSM press brake semi-automatic backgauge assembly, showcasing precise control and efficient bending performance.

Manual back gauge assembly (stardard configuration)

This back gauge assembly utilizes a steel scale with superior rigidity, hardness, and deformation resistance. It has manually adjustable positioning blocks that are easy to disassemble and relocate, and it adapts to different bending requirements.
The scale features unilateral height adjustment capability, accommodating irregularly shaped workpieces during bending operations while ensuring simple and user-friendly operation.

Close-up of OSM press brake manual backgauge assembly, highlighting precision mechanical structure and ergonomic design.

Powerful Bending Function

Slow bending function

The slow bending function allows you to set the bending speed for easy operation. You can also set the position where slow bending starts and the waiting time between steps, with support for digital settings or manual selection, improving processing flexibility and precision control.

2D illustration of OSM slow bending function, showing how reducing bending speed achieves higher precision and more stable bending results, ideal for complex workpiece processing.

Pull-back and bending function

The pull-back and bending function is activated after the mold clamps the material. It first performs an up-and-down movement to confirm that the material is securely clamped, thereby preventing interference with the material during the bending process and ensuring smooth processing.

2D illustration of OSM circular arc bending function, clearly showing bending trajectory and angles during the circular arc bending process, aiding users in precise understanding of the arc bending technique.

Circular arc bending function

The circular arc bending function enables automatic arc bending by entering spacing, converting steps into smooth curves with precision and consistency for sheet metal applications.

2D illustration of OSM circular arc bending function, clearly showing bending trajectory and angles during the circular arc bending process, aiding users in precise understanding of the arc bending technique.

Line marking bending function

The line marking bending function ensures precise forming by positioning pre-drawn lines and optimizing parameters, molds, and intelligent systems, enhancing efficiency and consistency.

2D illustration of OSM line drawing bending function, clearly showing line drawing and bending angles during the bending process, helping users intuitively understand bending steps and workflow.

OG SERIES Press Brake Photos

Close-up front view of OSM OG-50III under-actuated hydraulic CNC press brake, showing overall structure and control panel.
Close-up left front view of OSM OG-50III under-actuated hydraulic CNC press brake, showcasing machine details and high-precision design.
Close-up left front view of OSM OG-50III under-actuated hydraulic CNC press brake, showcasing machine details and high-precision design.
Close-up left side view of OSM OG-50III under-actuated hydraulic CNC press brake, highlighting machine details and robust structure.
Close-up right front view of OSM OG-50III under-actuated hydraulic CNC press brake, showcasing the machine’s overall structure and precision design.
Close-up right rear view of OSM OG-50III under-actuated hydraulic CNC press brake, highlighting machine details and control interface.
Close-up rear view of OSM OG-50III under-actuated hydraulic CNC press brake, highlighting machine structure and design details.
Close-up left rear view of OSM OG-50III under-actuated hydraulic CNC press brake, showcasing machine structure and design details.

Press Brake Tonnage Reference Table

Bending pressure chart of OSM press brake, listing required pressure per meter for various bending materials, V-die width, and minimum flange length.

OG Series Drawing

Dimension drawing of OSM OG series press brake, showing detailed equipment specifications and structural parameters.

Dimensoins

 OG-35OG-50OG-50LOG-60OG-100OG-150(3m)OG-150(4m)
A1400140020002170309033004200
B1210121015002020300032004000
C1010102013201700255025503100
D300400400400400400400
E280280280280280280280
F400400400400400400400
G60606060909090
H1960196020002020230024002400
I1210122015001900280028003350
J950950950950103010301030
L1065129012901290139015001500

EU CE Certificate and Test Report

OSM press brake CE certificate image showing official proof of compliance with European safety and quality standards.
OSM press brake CE certificate image showing official proof of compliance with European safety and quality standards.
OSM press brake inspection report image showing quality certification and technical testing data, ensuring product performance and safety standards.
OSM press brake inspection report image showing quality certification and technical testing data, ensuring product performance and safety standards.
OSM press brake inspection report image showing quality certification and technical testing data, ensuring product performance and safety standards.
OSM press brake inspection report image showing quality certification and technical testing data, ensuring product performance and safety standards.

On-site Door-to-door Training

After the press brake is delivered to the customer, our company will provide free equipment commissioning and subsequent on-site operational training tailored to the customer's specific needs. The training personnel will not depart until the buyer's technical staff have fully grasped the technical characteristics, operational procedures, and maintenance knowledge of our CNC bending machine. The training curriculum includes:

  • Introduction to Structure and Function
  • Basic Operation Training
  • Explanation of System Components
  • Advanced Operational Skills
  • Solutions for Common Faults
  • Routine Maintenance and Care
On-site training service by OSM, highlighting the company’s advantage in providing professional technical support and customer training.

They are using our machines

Logo image of OSM partner YiTaiSYe, highlighting the partnership and reflecting technological collaboration and quality service capabilities in the industrial manufacturing sector.
Logo image of OSM partner SUPERSTAR MINGCHONG, highlighting the partnership and reflecting collaborative growth and technological strengths in intelligent manufacturing and high-end equipment sectors.
Logo image of OSM partner HEAVYBAO, highlighting the partnership and reflecting collaborative growth and technical strength in stainless steel products and kitchen equipment manufacturing.
Logo image of OSM partner BEST, highlighting the partnership and reflecting technological innovation and quality assurance in the home appliance manufacturing industry.
Logo image of OSM partner Zhongtian Plastic Machinery, highlighting the partnership and showcasing expertise and quality assurance in the plastic machinery manufacturing industry.
Logo image of OSM partner BYD, showcasing the strategic partnership and reflecting leadership in the fields of new energy and intelligent manufacturing.
Logo image of OSM partner BEISHILI, highlighting the partnership and showcasing expertise and innovation in the mechanical manufacturing industry.
Logo image of OSM partner Huizhou BIEL Optical, highlighting the partnership and reflecting technological strength and quality assurance in the optical manufacturing field.
Lens Technology Logo display, showcasing their status as a trusted purchaser and user of OSM bending machines, highlighting a customer partnership testimony
Logo image of OSM partner Latitude Communication (LE), highlighting the partnership and showcasing expertise and innovation in the communication technology field.
Logo image of OSM partner CLT, showcasing the partnership and reflecting technological leadership and quality assurance in the intelligent equipment industry.
Logo image of OSM partner DTXS, highlighting the partnership and reflecting high-quality manufacturing and technological innovation.
Logo image of OSM partner Safewell, showcasing strategic partnership and demonstrating expertise in safety technology.
Logo image of OSM partner TMOON, highlighting the partnership and reflecting advanced manufacturing technology and industry leadership.
Logo image of OSM partner BIOSUN, showcasing the partnership and reflecting a strong position in the high-quality intelligent equipment industry.
Logo image of OSM partner Baide Precision Machinery, highlighting the strategic partnership and reflecting leading technology and quality in the industry.

Our Clients' Feedback

Profile image for international customer testimonials on OSM standalone site, showcasing global client recognition and satisfaction with OSM products and services.

The quality and precision of OSM's press brake are outstanding. We’ve been using it for eight months, and it still maintains exceptional accuracy without any deviation. The robust build and excellent craftsmanship make it a top-tier machine!

Procurement Manager, Metal Processing Company, Germany

Profile image for international customer testimonials on OSM standalone site, showcasing global client recognition and satisfaction with OSM products and services.

The energy-saving mode of OSM's press brake is impressive! Compared to our previous equipment, energy consumption has been reduced by 25%, while production efficiency has increased by 30%. It not only saves costs but also aligns with our green manufacturing standards.

CEO, Automotive Parts Manufacturer, Spain

Profile image for international customer testimonials on OSM standalone site, showcasing global client recognition and satisfaction with OSM products and services.

We operate OSM’s press brake 24/7, and it remains highly stable with no need for frequent maintenance. Even under high-intensity production, there have been no malfunctions, significantly boosting our productivity! Their service is very good, remote support is always online.

Technical Director, Aerospace Manufacturing Company, USA

Profile image for international customer testimonials on OSM standalone site, showcasing global client recognition and satisfaction with OSM products and services.

OSM’s intelligent press brake is equipped with an AI recognition system that automatically detects material thickness and adjusts parameters, reducing manual intervention. It handles different materials and sheet metal shapes effortlessly, greatly enhancing production flexibility!

Production Supervisor, Electrical Enclosure Manufacturer, Turkey

Industry 4.0 standards

Seamless Integration with Leading Robotic Systems

Our press brake is meticulously engineered for seamless compatibility with mainstream robotic arms, including models from ABB, KUKA, Yaskawa, and FANUC. It guarantees effortless integration into automated production lines while meeting Industry 4.0 standards. The system supports real-time communication, adaptive control, and intelligent coordination to enhance production efficiency and minimize manual intervention. Whether you need a solution for high-mix, low-volume production or large-scale manufacturing, ours delivers the flexibility and efficiency required by modern industrial applications.

  • Seamless Robotic Integration
  • Intelligent Control System
  • High Precision and Consistency
  • Flexible Production Modes
  • Industry 4.0 Compliance
  • Standard Interface Reservation
Image of OSM press brake equipped with robotic arm, showcasing automated bending production line enhancing efficiency and precision.