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Electro-Hydraulic Synchronous CNC Press Brake 4+1 Axis for Precision Bending
CNC press brake 4+1 axis
,electro-hydraulic CNC bending machine
,precision bending CNC press brake
What Is a 4+1 Axis CNC Press Brake?
A 4+1 axis electro-hydraulic synchronous CNC press brake is a high-precision bending machine that controls ram position, backgauge position, and crowning compensation across five axes. The 4+1 designation means four main axes (Y1, Y2, X, R) plus one crowning axis (the +1). This configuration delivers consistent bend angles and flange lengths across the full bending length, which is essential for precision sheet metal parts that require tight tolerances.
Unlike basic torsion-bar synchronized press brakes, the electro-hydraulic design uses closed-loop servo valves on each side of the ram. Linear scales measure ram position in real time and correct deviations within milliseconds, maintaining parallelism between ram and bed to within 0.02mm across the full stroke.
What Do the 4+1 Axes Control?- Y1 and Y2: Ram position on left and right sides, ensuring parallelism.
- X: Backgauge position controlling flange length.
- R: Backgauge height adjustment for different die heights.
- +1: Crowning compensation to counteract bed deflection.
- Press force: 110 tons, 160 tons, 200 tons options
- Bending length: 3200mm, 4000mm options
- Controller: Delem DA-66T or Cybelec Touch
- Repeat positioning accuracy: +/-0.01mm
- Bending angle accuracy: +/-0.5 degrees
- Ram speed: 0-10 mm/s working
- Backgauge speed: 250 mm/s
- Motor: Servo hydraulic, energy-saving
- Weight: 8000-18000kg depending on tonnage
This machine is for:
- Precision sheet metal shops bending aerospace and medical components.
- Electronics enclosure builders requiring tight flange tolerances.
- Automotive component suppliers with high-mix production.
- Job shops that need fast changeover and consistent quality.
- Companies bending thin stainless and aluminum where angle tolerance matters.
A basic 2-axis press brake handles simple bends on thick plate where angle tolerance is loose. If you bend thin sheet, require consistent angles across long parts, or process mixed production where setup speed matters, the 4+1 axis machine pays for itself in reduced setup time and fewer rejected parts.
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