Hg76 3 Inch High Frequency Welded BV Pipe Production Line 16-76mm

This production line is designed to manufacture high-quality welded steel pipes including round, square, and rectangular profiles. The system features precision roll pass design for excellent dimensional accuracy and consistent quality.

• Double expansion cantilever mandrels with pneumatic system
• Four-bar linkage mechanism for radial movement
• Hydraulic expansion with pneumatic braking
• Handles coils up to 2000mm OD, 508mm ID

• 1.5KW AC motor for straight head
• 2 roll pinch and 5 roll leveling system
• Pinch roll diameter: Ф140mm
• Leveling roll diameter: Ф110mm
• 15KW motor for pinch and leveling

• Automatically cuts irregular strip ends
• Continuous welding for uninterrupted production
• Handles strip width: 110-250mm
• Welding thickness: 0.9-4.5mm
• Max working cycle: 300 seconds

• Max material velocity: 240m/min
• Storage area: 3.5 m²
• 22KW AC motor for press & carry
• 37KW AC motor for accumulator frame
• Pneumatic pinch form at 6Mpa

• Forming speed: 30-120m/min
• 7 horizontal and 8 vertical forming stands
• 6 horizontal and 6 vertical sizing stands
• 2 sets of Turks Head + 1 horizontal stand
• 110KW + 132KW AC Siemens main motors
• NSK bearings (Japan)

• 15KW servo motor (Japan Yaskawa)
• 15KW variable frequency cutting motor (Siemens)
• 2.9KW servo feed motor (Japan Yaskawa)
• Pneumatic feed saw mode
• Cutting length accuracy: ±2mm
• Max speed: 120m/min

• Nominal power: 300kW
• Output power: >300kW
• Frequency range: 300-350kHz
• 3x 120kW MOSFET inverters
• Secondary resonance output
• Power factor: ≥0.9
• Water-water cooling system
• PLC and touch-screen HMI control

• Workshop: 60x6m, height >5m (with crane)
• Power: Approx. 600KW, 380V/60Hz/3-phase
• Cooling water: 20-30T/h flow, 30m³ pool
• Compressed air: 5m³/min at 5-7kg/cm²