Internal High-Pressure Forming
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Servo Bellows Water Expansion Machine

The working principle of this device is to place the pipe fittings on separate molds, use an oil cylinder to drive the joint to lock the mold, use high-pressure water to expand the pipe fittings in sections (bulging), and then use a servo driven screw to push the molds to close and form a corrugated pipe (pushing wave).

Model BM30-600
Press Type (Frame/Four-column) Four-column joint type
Servo Drive Joint Locking Force (KN) 160
Press Opening Height (mm) 396
Press Slider Stroke (mm) 200
Press Worktable Effective Area (LxW mm) 700 x 550
Press Worktable Height (mm) 1000
Side Servo Drive Push Force (KN) 30
Side Servo Repetition Accuracy (mm) ±0.02
Side Servo Motor Center Height (mm) 198
Number of Side Servo Motors (pcs) 2
Side Servo Motor Stroke (mm) 300 (one side)
Number of High Pressure Sources 1
Max Pressure of High Pressure Source (MAP) 100
Max Volume of High Pressure Source (L) 1
Forming Water Pressure Repetition Accuracy (MAP) ±1.5 (when sealing conditions are the same)
Water Medium (Type) Emulsion liquid + water, ratio 1:10-15
Water Pressure System (MPA) 20 MPA
Water Tank Volume (L) 30
Equipment Dimensions (mm) 3500 x 1500 x 3000
Total Equipment Power (KW) 32
Total Equipment Weight (T) Approximately 6.5
Min and Max Process Pipe Diameter (mm) 10 to 35
Min and Max Process Wall Thickness (mm) 0.3 to 0.8
Max Loading Length (mm) 600
Start Method Dual-hand control buttons
Operation Mode Automatic/Manual
Loading and Unloading Method Manual loading and unloading
Processing Efficiency 10-28 seconds per cycle
Power Supply Specifications AC380V ±10V 50Hz
Total Power Supply 20 KW
Max Water Pressure 100 MPA
Wave Size (non-annealed pipe) ±1 mm
Wave Spacing ±0.5 mm
Wave Roundness Tolerance ±0.2 mm