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AD-S Series. Press Brakes. Optional Equipment. Up to six axis back gauge Laser style angle measuring system CNC controlled sheet followers CNC controlled die shuttle systems 3D controller 2D & 3D programming software Operational laser guiding CAD/CAM software. Capacities.
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AD-S Series Press Brakes
Optional Equipment • Up to six axis back gauge • Laser style angle measuring system • CNC controlled sheet followers • CNC controlled die shuttle systems • 3D controller • 2D & 3D programming software • Operational laser guiding • CAD/CAM software Capacities Standard Equipment • Large stroke – daylight – throat • Y1, Y2 ram positioning • Delem DA 66 graphic control • Euro/American style punch clamp • X/R back gauge • Quickset sliding front sheet supports • Automatic table crowning • Rear work light • Side and rear safety doors • 6’ – 30’ lengths – plus tandem/trio • 44 – 3,300 tons
High Engineering Standards Machine Frame Precision Machining The design of the machine frame is a critical part of any machine with relation to its ability to produce accurate parts for a long period of time. Durma uses several different types of construction, depending on the certain dimension, such as length, tonnage, stroke, daylight and throat/depth. Box frame construction is standard on machines 1,100-ton and larger. For details on Durma’s unique box frame construction, please reference the ADSL series. • Modern machining centers are utilized for accuracy, rigidity and smooth operation. Frames, assembly surfaces and connection holes are machined after the welding process, up to 60’ in a single pass. Surface machining nearly to grinding tolerance: 1.6-3.2 micron roughness average (0.8 micron on grinding). Parallel and square surfaces with 0.05-0.1 mm tolerances. There is no axial eccentricity. In comparison, non-precision machining results in: • Difference between Y1 Y2 (ram level) axes • Difficult to hold tools parallel • Difficult to hold tool dimensional tolerances • High vibration during the bending process
High Engineering Standards Cylinder Connection Ergonomic Working Height In order to allow tilting of the ram without damage, special spherical seating and connections are used. This type of connection also allows sudden forces to be absorbed gently. Lower beam (bed) height for most machines is optimized at approximately 35-36” (excluding die holders and dies) for ergonomic operation.
High Engineering Standards Lower Deflection & Longer Lifetime • Durma’s high engineering standards minimize stress and deflection. All mainframe components (side frames, ram, bed) are designed with built-in safety factors. All Durma machines are constructed from st44-2 steel. Acceptable industry stress standards for material is 8.5kg/mm2 stress. All Durma machines must meet a value of 5-6kg/mm2. These strict standards reduce deflection and increase frame durability and the ability to hold tolerances over long periods of heavy use. All incoming plate must be certified by the Durma standards and requirements. Durma’s high frame rigidity and robustness provides long-term accurate bending. • What happens if lower engineering criteria are accepted? • For example, in the case of 8.5kg/mm2: • Weight of machine can be reduced by as much as 30% • Machine operates at limit for deflection and stress • Steel fatigues from high deformation and stress at limit, as well as the risk of cracking is present • High deflections on the ram and the bed that are too large to offset with crowning devices
High Engineering Standards Frame Welding • Welding methods are selected after “welding equivalent” calculation. • MIG MAG welding on frame (below right) • SAW (submerged arc welding – below left) at cylinder connection point. Welding at critical areas is subjected to high forces and vibration, and has to be clear of atmospheric contamination during the welding process. • Applied force at the welding position yields rigidity and strength.
High Engineering Standards Large Part Clearance A combination of the specially-designed reservoir, outboard mounted ram guides, large side frame gaps, strokes and daylights provide for increased openings and reduced collisions during the bending process.
Control Delem DA 66T • The new generation DQ Touch control offers an even higher grade of efficiency in programming, operation and control of today’s press brakes. Ease of use combined with state-of-the-art technology go hand-in-hand, improving productivity. • The touch screen gives access to the proven Delem user interface and enables direct navigation between programming and production. Functions are directly located where you need them, offering optimized ergonomics throughout the application. • The DA-66T offers 2D programming that includes automatic bend sequence calculation and collision detection. Full 3D machine set-up with multiple tool stations give true feedback on the product feasibility and handling. • Highly effective control algorithms optimize the machine cycle and minimize set-up time. This makes using press brakes easier, more efficient and more versatile than ever. • The OEM panel located above the screen, reserved for machine functions and OEM application switches, is integrated in the design and can be used depending on the required application. • 2D graphical touch screen programming mode • 3D visualization in simulation and production • 17” high resolution color TFT • Full Windows application suite • Delem Modusys compatibility (module scalability and adaptivity) • USB, peripheral interfacing • Open system architecture • Sensor bending and correction interface • Storage capacity: 1GB with 3D graphics acceleration • Emergency switch • USB flash memory drive
CAD/CAM Software CAD/CAM system specially designed to automate the programming of profile cutting machines • Combines machine technology with programming and management needs to offer an advanced, intuitive and friendly interfacewhich improves the user’s programming efficiency • Part nesting for optimal material utilization • Advanced programming features such as common line cutting for increased machine productivity • Direct 3-D CAD interface to streamline geometry importation • Offline Press Brake Programming • Automatic generation bending sequence • Real time collision detection • Simulation of the bending process
Features Quick-Set Front Sheet Supports Y1, Y2 Precision & Flexibility Rugged support arms with disappearing stops are mounted on a linear guide rail system. This allows “fingertip” lateral adjustment as required by the bend length of the part. They are also equipped with side gauges for the fast, easy and accurate feeding of parts: small or large. • In the ADS Series, Y1, Y2 ram positioning system, each cylinder operates independently in a closed loop system. Linear encoders combined with precision hydraulic valves and the CNC command center provide +/- 0.0004” accuracy and the ability to program all ram position, speeds and ram tilt. Application advantages include: • Stage or progressive bending • Fade out or conical work • Enhanced material handling with total ram control
Features Large Stroke, Daylight & Throat Oversized Ram Guides • The large frame dimensions allow versatile production of parts requiring increased clearance profitably and easily. • Forming of deep sectioned four-sided boxes • Forming and removal of complex large parts Long, rectangular shaped guides assure stable, smooth and secure ram positioning. Conventional machines typically have these guides mounted on the inside of the frames, resulting in obstructions to the full length acute angle bends.
Features Shimless Bending X/R Style Back Gauge Independent left and right axes (Y1 Y2) are controlled by electronic servo valves and electronic linear position controllers. A CNC-controlled motorized crowning system homogenizes bending, forcing every point of the bending part to acquire straight bends. The need for shimming is eliminated. With the X/R style back gauge, the height of the back gauge is programmable in addition to the depth. This is very useful for changes in die height, extreme crowning settings, and for gauging to the flange that may be a different height than the die.
Features 3 Step Back Gauge Fingers Pocket-Style Back Gauge Fingers Three step style fingers are used for the X/R and X/R/Z1,Z2 back gauge configurations. Special fingers are also available upon request. When equipped with an optional tapering style back gauge, it is necessary to have fingertips that can properly receive and secure the part when it is introduced at an angle in the X axis.
Optional Features Z1, Z2 Independent Finger Width X1, X2 Independent Finger Width Independent finger width movements allow gauging of stage or progressive work along the bed and also automatically set according to bend length or part width. Allows gauging of parts requiring a large taper. Fingers are mounted on a common gauge bar.
Optional Features X Prime Six Axis Back Gauge Independent +/- 5” of one finger. An inexpensive solution for tapered parts. In this configuration (X1/X2 / Z1/Z2 / R1/R2) it can be almost assured the operator will never spend time in the manual adjustment or setup, regardless of part complexity.
Optional Features Laser-Style Angle Measurement System • Manufacturing sheet metal parts with properly bending angles that are kept constant at all times often meets a problem during the actual production process: different parameters in material thickness and stresses. The best solution is a laser-based bending angle measuring device. • Any bending angle can be measured • Very compact: everything in the appliance • Light influence: light or dark material surfaces play practically no part
Optional Features Pneumatic Die Positioning (I Axis) CNC Controlled Multi-Vee Positioning Two position system allows front to back shuttle from one die position to another. This can be useful in hemming and other special demanding operations. CNC-controlled front to back positioning of the Durma multi-vee die. Multiple vee openings may be placed on a single side of the die block, in this case it is possible to program which of the dies you wish to use.
Optional Features Laser Beam Safeguarding Device CNC-Controlled Sheet Followers Due to the multiple purpose use of press brakes, point of operation guarding is the responsibility of the machine buyer/user. For this reason we offer the Akas ram-mounted “laser” style point of operation guard. The system is based off the location of the punch tip. Simply by pressing a button, the system travels down and finds the safe setting relevant to the punch being use at the time. Reduces operator involvement and “dishing” of large sheets or panels. Followers support large sheets as they are being bent. A ‘parking station’ is available on one end of the bed allowing the operator to quickly and easily position the sheet follower units out of the way, on jobs for which they are not required. The following units adjust easily in height and width via linear guide. Pneumatic height adjustment is available optionally (shown with three).
Large Format Automation Large Format Press Brakes Tandem and Trio Systems
Tooling and Tool Clamping Durma Laser Hardened Tooling Precision Ground Euro-Style Tool Package Lever-Style Quick Release Punch Clamp Typical machines 350 tons and over are equipped as standard with an American-style punch clamp and a large multi-vee table with five or more v-openings. The opening sizes are dependent on the machine tonnage. • A very flexible and affordable precision ground tolling package is available. It consists of a four-way bottom die with openings: • 0.625” / 88° • 1.37” / 85° • 1.96” / 85° • 0.030” / 75° • A four-way die holder is also included. The longest punch or die is 32” long. A push-pull lever eliminates the need for loosening and tightening bolts for punch removal. This style does not allow vertical loading/unloading of tolls with safety tang. Available for Euro-style punches and is not self-seating.
Tooling and Tool Clamping Durma Laser Hardened Tooling Precision Ground Euro-Style Tool Package Lever-Style Quick Release Punch Clamp Typical machines 350 tons and over are equipped as standard with an American-style punch clamp and a large multi-vee table with five or more v-openings. The opening sizes are dependent on the machine tonnage. • A very flexible and affordable precision ground tolling package is available. It consists of a four-way bottom die with openings: • 0.625” / 88° • 1.37” / 85° • 1.96” / 85° • 0.030” / 75° • A four-way die holder is also included. The longest punch or die is 32” long. A push-pull lever eliminates the need for loosening and tightening bolts for punch removal. This style does not allow vertical loading/unloading of tolls with safety tang. Available for Euro-style punches and is not self-seating.
Tooling and Tool Clamping New Standard Style Hydraulic Die Clamping American Style Tooling New Standard concept is also available. This concept is generally a little harder and utilizes the patented “hour glass” tang for self-seating. Hydraulic die clamping provides an equally fast method of securing the lower dies. It is available for both American and News Standard style dies. Both precision ground and sectionalized tooling, as well as conventional full length style tooling, is available.
Tooling and Tool Clamping Durma Hydraulic Punch Clamping Hydraulic Punch Clamping Patented ‘easy slide’ removal of the punch. Built to withstand loads up to 330 tons per foot for demanding jobs with heavy load over short area. We offer several styles of hydraulic punch clamping. Each automatically centers and seats the punch and allows vertical removal support. Setup times can be dramatically reduced. It is available for American and New Standard style concepts.
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Durma Aims for Continuous Development DURMA’s large investment in machining centers and production equipment, as well as its ISO-certified factories totaling 1,350,000 square feet and 1,000 employees, make one of the world’s largest, efficient and most contemporary facilities in the world. In order to offer customer solutions and further develop patents, the DURMA Research and Development center opened in 2010. Fifty engineers were added over the last two years. Designed and engineered with modern technology, DURMA products are equipped with high quality and proven readily available components. Established in 1956, DURMA has vast experience in building and supplying quality products. With over 60,000 machines delivered worldwide, DURMA has earned the reputation as a supplier of innovative, “value oriented” solutions. Your partner today, tomorrow and forever.
