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Our HRR-4 series 4 rolls plate roll bending machines are designed for bending medium and thick plates in minutes. Side rolls positioned on both sides of the upper and lower roller and moves on linear line and able to bend very end of plate edge. All rollers are mounted with double row roller bearings. In this way, the generated torque allows the bending process to be performed in fewer steps without any loss. Thanks to the fully symmetrical upper roller bearing system, no diameter difference occurs during bending and is completed in a much shorter time.
Our HRR-4 series features a rectilinear type 4-roll design specifically engineered for bending large cylindrical and conical structures, such as wind towers. It boasts a CNC system with a pre-bending capacity of up to 3”. This solution comes equipped with a motorized plate feeding, plate sliding manipulators, double knuckle side supports with swing rollers for cones, plate edge aligners with sideways and pulling backwards, heavy duty overhead support and various additional features.
NC control system, in addition to the PLC control system, has the property to work manual, teach-in and automatic modes of operation. In manual mode, the use of all functions are provided by the operator. In teaching mode for the operator to do all the steps are recorded respectively. In automatic mode all recorded movements are repeated, respectively by the machine.
The CNC unit, with its graphical control system allows the bending to be done step by step or by automatically calculating the bending steps. With the CNC control you can easily bend parts into shapes such as: cylindrical, polycentric, elliptical, oval, parallel side, rectangular, and arc. CNC unit has interpolation capability due to proportional valves. The CNC unit can store more than 2,000,000 programs.
• Rectilinear type side roll movement.
• PLC Electronic balancing system
• Cone bending
• Induction hardened rolls (HRc 56±4)
• Polished rolls
• Single speed control of all axis
• Dual speed control of all axis (Standard on NC machines)
• Variable speed control of all axis (Standard on CNC machines)
• Machine body constructed of stress-relieved
• Highly durable carbon steel rolls machined by CNC Lathes with optimal crown (special crown upon request)
• Rolls seated dual spherical bearings
• Hydraulic titable top roll and bracket (drop end) with easy pull out system
• Top and bottom rolls driven with hydraulic motor and planetary gear box
• Automatic rolls peripheral speed compensation
(optimum distribution of torque)
• Adjustable hydraulic pressure on bottom roll (crowning compensation)
• Emergency stop wire around the machine
• Electrical and hydraulic protection against overloads
• World standard electrical and hydraulic components
• Mobile control panel
• Manual lubrication
• Welding possibility on the machine
• NC Unit (Simple CNC)
• CNC Control Unit with color graphical control
• AISI 4140 High strength alloy steel rolls
• Four rolls drive
• Wired or wireless remote control
• Oil cooler
• Oil heater
• Side support system (both sides)
• Vertical hydraulic overhead support system
6, 8 or 15 TON ( 4m - 5m - 6m diameters)
• Preparation for side or vertical support system
• NC inclusion for vertical support control (Available on CNC control)
• NC inclusion for side support control (Available on CNC control)
• Plate alignment unit
• Automation system
• Changeable top roll for smaller diameter
• Special roll crowning
• Special plate support systems
• Automatic central lubrication
• Material feeding table (Idle or motorized)
• Seperated power cabin
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