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About this product

The Standard Ringlock Welding Machine is an automated special-purpose machine engineered for circular MIG welding of 8-hole Ringlock rosettes onto 48.3 mm nominal OD vertical standards. Attaching multi-rosette clusters manually results in angular misalignment, spatter buildup in rosette wedge pockets, and inconsistent penetration that can cause failure during EN 12810 structural pull-out testing. Constructed on a heavy, stress-relieved IS 2062 chassis, the machine features dual synchronized MIG torches, an induction-hardened hollow spindle drive, and a linear rail with pneumatic indexing stops at exact 500 mm center-to-center pitch intervals. The machine completes circumferential welds with programmable 15-degree overlap around each rosette in 25 to 35 seconds per cluster, replacing up to four manual welding stations. Key Features Dual Synchronized MIG Torches: Welds top and bottom circular fillets simultaneously, balancing heat input to prevent tube distortion. 500 mm Linear Indexing Pitch: Hardened gauge stops ensure precise standard spacing across pipe lengths of 0.5 m, 1.0 m, 1.5 m, 2.0 m, and 3.0 m. PLC & Touchscreen HMI Interface: Stores multiple recipe parameters for wire feed speed, rotation RPM, pre-flow, and crater-fill timing. Integrated Rosette Positioning Jigs: Case-hardened locating fixtures position rosettes at exact 90-degree and 45-degree orientations with spatter shielding. Pneumatic Clamping & Ejection: Centers the tube on the spindle axis in under two seconds and lifts finished standards onto roll-off skids. Wide Grid Voltage Compatibility: Built for 380V/415V 50Hz/60Hz grids with industrial Schneider/Siemens switchgear for GCC and European export markets. Applications Ringlock scaffolding vertical standard (upright) fabrication Modular all-round scaffolding manufacturing Heavy shoring tower vertical component production High-volume scaffold export production lines Manufactured and fully assembled at National Cutting Tools in Focal Point, Ludhiana. Pre-dispatch inspection includes sample welding, rosette pitch tolerance checks (within ±0.5 mm), and weld penetration validation.

Specifications

Model Designation: NCT-RWM-STD
Input Pipe Diameter: 48.3 mm (OD)
Pipe Wall Thickness Scope: 2.5 mm to 4.0 mm
Standard Rosette Pitch: 500 mm Standard (Adjustable)
Length Adjustment Range: 500 mm to 3000 mm
Torch Travel / Indexing: Pneumatic / Rotary Mechanical Indexing
Operating Cycle Time: 25 to 35 seconds per rosette cluster
Welding Power Source Compatibility: 350A / 500A Inverter MIG/MAG (Multi-Torch)
Pneumatic Air Consumption: 6 to 8 Bar (Clean Dry Air)
Control System: Delta / Mitsubishi PLC with Touch Screen HMI
Electrical Power Supply: 380V / 415V, 3-Phase, 50/60 Hz
Operating Voltage: 24V DC Safe Control Circuit
Production Yield: 80 to 110 rosette joints per hour
Dimensions (L × W × H): 4500 × 900 × 1600 mm Approx.
Machine Weight: 2200 Kgs Approx.
Chassis Frame Material: Heavy Stress-Relieved IS 2062 Steel
Factory Pre Dispatch Run Off: 100% Tested on Live Pipe Samples with Video Protocol
Brand / Model: National Cutting Tools
Warranty: 1 Year Industrial Manufacturer Warranty

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