Piranha Press Brakes
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Piranha Press Brakes are available in a variety of widths and range from 25 to 400 tons. They may be ordered in the standard white or Piranha green color. Piranha's proven design provides four distinct advantages over other press brake designs.
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Piranha's mechanical linkage system provides full tonnage at any point across the ram and bed, allowing maximum flexibility for multi-operation set-ups. Operators may place full-tonnage tools anywhere on the bed. Other press brake designs require the operator to place any full-tonnage tool only in the center of the bed, resulting in added handling and lower productivity. Attempting multi-operation set-ups on other designs can result in machine damage. Other designs require more total machine tonnage for off-center applications.
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Piranha's Generation II Control System, combined with the single cylinder hydraulic system, provides full control reliability in a simple, efficient design. In the event of a violation of a safety device, the dual CPU module provides two paths for signals to stop ram movement. This, with the single hydraulic valve system, provides the utmost in simplicity, maintainability, and safety.
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Piranha's exclusive Preloaded Ram System (PRS) uses a dynamic system of opposing ram cylinders to preload the ram prior to movement. This system lifts the ram into the drive system, eliminating the influence of ram weight on the bending process. Furthermore, this system removes the effects of clearances and wear within the drive system throughout the life of the press brake.
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Piranha utilizes a bed tilt system as opposed to ram tilt to allow for fade-out bends and to adjust for tool wear. This system allows the ram to be fully gibbed and stabilized for parallel movement. Ram tilt sytems on other designs allow for more play in the gibs and put unneeded stress on the drive system. Unlike ram tilt systems on other press brake designs, Piranha's bed tilt system easily returns to the "zero" position.
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THE PIRANHA PRESS BRAKE DIFFERENCE
Piranha's Fabrication Series Press Brakes utilize a heavy duty mechanical linkage system combined with Piranha's exclusive Preloaded Ram System to provide the best bending and punching performance. Full rated tonnage for bending and punching is achievable at any point across the bed. This allows the operator the versatility to set up several tools at once, decreasing part handling in a production run and increasing productivity and profitability.
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OUR COMPETITORS' DESIGNS
Torque Tube Press Brakes
The torque tube or rocker arm design is a two-cylinder model that does not utilize a hydraulic compensation system. The torque tube ties the two end levers together in an attempt to transfer power between the cylinders to achieve parallelism. In reality, the tube does twist. Off-center loading causes the ram to deviate from parallel, leading to poor die alignment, uneven bottoming, an d tapered work pieces. This design cannot achieve full tonnage anywhere but on center.
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Click here for more information about Piranha Press brakes.
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PRESS BRAKE UNIQUE FEATURES
Self-Lubricating Bearings: Piranha's pivot points are lined with maintenance-free bearings. These state-of-the art, aerospace bearings provide high load capacity and low friction in the form of a thin-walled sleeve. They are completley non-metallic, require no lubrication, and provide years of maintenance-free service.
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Inboard Ram Drive: Piranha's ram drive links are mounted between the "C" frames. This mounting increases the ram strenght and minimizes ram deflection. Competitors' press brakes have a wider ram set which results in excessive ram deflection.
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Minimal Deflection: Piranha's heavy design and rigitd construction provide superior bed, ram, and machine deflection characteristics. This, along with the inboard drive system, allows less beam deflection for more accurate operations. Heavy construction allows ram and bed surfaces to be machined flat to better accommodate multiple tool set ups. Competing designs attempt to compensate for excessive deflection with machined crowning, a less than satisfactory solution.
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Full Length Gibs: Extra-long, hardened and ground ways are mounted on the massive Piranha "C" frame to provide maximum support and guidance for parallel ram movement. Adjustable gibs ensure the ram is controlled front, back, and sides.
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Click here for more information about Piranha Press brakes.
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PRESS BRAKE STANDARD FEATURES
Bed Tilt Adjustment Wedges: Bed tilt accomplished from the front of the machine for fade-outs or cone forming.
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Easy-To-Handle Spring-Open Upper Clamps: Sectional spring-open upper clamps with hardened clamping bolts ensure quick and easy tooling changes (Wila and European tooling adapters available).
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Generation II Control System: Embedded module that allows control of basic and enhanced features at the operator's fingertips. Provides full control reliability, ensuring state-of-the-art safety operations via a dual CPU integrated circuit.
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Click here for more information about Piranha Press brakes.
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