ST4R is a 4-roll hydraulic round bending machine designed for precision sheet metal rolling. This model combines a robust structural build with automated control elements, offering a wide range of standard features and options. It is highly user-friendly and versatile, capable of performing various tasks ranging from standard straight cylinders to complex conical bends.
Features and Advantages
Advanced Control System: Features a 7-inch multifunctional touchscreen display and PLC control with manual, semi-automatic, and fully automatic modes to suit various production scenarios.
Performance & Precision:
Linear guide system and guide bearings ensure roll stability and an extended service life.
One-touch automatic balancing system simplifies the alignment of the rollers.
Robust Construction: The frame is manufactured from high-grade ST-52 steel, providing maximum rigidity and long-term durability.
Hydraulic Versatility:
The bottom roll includes pressure regulation to control the contact and quality of the bend.
High-Quality Rolls: Induction-hardened and polished rolls (Ck45) provide superior wear resistance and a high-quality surface finish.
Comprehensive Safety: Includes overload protection, an emergency stop, light and sound warning signals, and a transparent protective shield for the control panel.
Standard Equipment
7-inch multifunctional touchscreen display.
PLC controller with manual, semi-auto, and fully automatic modes.
Three-speed roll rotation.
ST-52 steel frame and linear guide system.
Hydraulic top roll movement and drop end.
Adjustable bottom roll pressure and automatic balancing.
Induction-hardened and polished rolls.
Conical bending device and auxiliary tools for conical shapes.
Integrated warning system (visual and audible) and maintenance indicators.
Options
CNC Unit: For high-precision programming of complex bending cycles.
Laser Safety Barriers: Front or rear laser emergency stop barriers for enhanced operator protection.
Infinitely Variable Speed: Provides smooth, seamless adjustment of rotation.
Support Systems: Central overhead support and hydraulic side supports for large diameters.
Automation & Maintenance: Automatic centralized lubrication, oil cooling system, and feeding/output tables.
Interchangeable Top Roll: To adapt to different profiles or material thicknesses.
Technical Specifications
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