Heavy-Duty CNC Plate and I-Beam Cutting Machine
The CNC Plate and I-Beam Cutting Machine is engineered for structural steel fabricators requiring high-duty-cycle, dual-function processing without workflow bottlenecks. By integrating a heavy-duty roller-conveyor feeding system with a gantry-type plasma and oxy-fuel cutting bridge, this system simultaneously or independently handles flat steel plates and structural profiles (I-beams, H-beams, channels, and angles).
Constructed on a stress-relieved, annealed steel framework, the machine absorbs high dynamic loads during rapid acceleration, maintaining strict dimensional stability across continuous multi-shift operations.
Technical Specifications
|
Specification Item |
Industrial Grade Standard |
|
Plate Cutting Width |
2,000 mm - 4,000 mm (Customizable to project layout) |
|
Beam Profile Size Range |
Height: 150 mm - 1,000 mm; Flange Width: 100 mm - 400 mm |
|
Drive System |
AC Servo Motors with high-precision planetary reducers (Dual-side longitudinal gantry drive) |
|
Positioning Accuracy |
+/- 0.15 mm / 1000 mm (ISO 230-2 verified) |
|
Repeatability |
+/- 0.05 mm |
|
Cutting Processes |
High-Definition Plasma (HD) and Oxy-Fuel (Propane / Natural Gas / Acetylene) |
|
Z-Axis Stroke |
200 mm - 300 mm equipped with capacitive Torch Height Control (THC) |
|
Control & Software Interface |
Industrial CNC with direct import support for Lantek, FastCAM, and SigmaNEST |
Structural Integrity & Manufacturing Process
Bed & Gantry Construction: Fabricated from heavy-walled structural steel tubing and plates, welded in accordance with AWS D1.1 standards, then thermally stress-relieved in a bogie hearth furnace at 600°C to permanently eliminate residual welding stresses.
Rail Machining: Longitudinal guide rails utilize high-strength 50kg/m crane rails, precision-milled on a 12-meter gantry milling center in a single setup to guarantee a straightness tolerance within 0.05 mm over the entire travel length.
Surface Preparation: All steel components undergo abrasive grit blasting to Sa 2.5 standard, followed by an industrial multi-layer epoxy primer and polyurethane finish to resist aggressive shop-floor environments.
Application Suitability
Designed for heavy industrial sectors processing carbon steel, structural alloy, and stainless steel:
Structural Steel Fabrication: Coping, slotting, and cutting clearance holes in I-beams and H-beams for high-rise commercial buildings, stadiums, and industrial plants.
Bridge Engineering: Fabricating thick web plates and heavy-section flange members requiring precision edge preparation (V, Y, or K bevels for structural welding).
Shipbuilding & Offshore: Profiling longitudinal bulkheads, web stiffeners, and deck plates within an integrated material-handling footprint.
Quality Inspection & Factory Acceptance Testing (FAT)
Every machine undergoes rigorous internal validation prior to crating:
Laser Interferometer Calibration: Linear positioning, pitch, yaw, and backlash verified against ISO 230-2 standards.
72-Hour Continuous Burn-in Test: Electrical enclosures, servo amplifiers, and gearboxes tested under simulated thermal and mechanical load conditions.
Sample Test Cuts: Verification coupons processed in carbon steel plates and structural profiles to confirm edge squareness, dross minimization, and dimensional accuracy prior to shipment.
Frequently Asked Questions
Q: How does the machine handle the transition between cutting flat plates and structural I-beams?
A: The system utilizes an integrated or modular loading layout. Flat plates are positioned on the central water/downdraft cutting table, while structural beams are fed longitudinally through dedicated roller-conveyor fixtures featuring pneumatic clamping jaws. The CNC controller automatically switches coordinate systems, gas consoles, and torch height parameters via pre-loaded nesting programs.
Q: What is the maximum wall thickness and beam depth supported?
A: Standard configurations support I-beam web and flange thicknesses up to 50 mm using oxygen-fuel or high-definition plasma. Maximum beam height capacity reaches 1,000 mm. Custom gantry clearances can be engineered for specific heavy infrastructure demands.
Q: What CAD/CAM software files are compatible with the CNC controller?
A: The controller accepts standard G-code and imports DSTV (TEKLA output), DXF, and DWG files directly. This allows structural steel detailers to seamlessly transfer beam-coping and plate-nesting data straight to the shop floor without manual reprogramming.
Q: What are the primary utility and installation requirements?
A: Standard electrical input is 3-phase, 380V - 480V, 50/60Hz (custom transformers available on request). Pneumatic supply requires clean, dry compressed air at 0.6 MPa to 0.8 MPa to drive automatic torch lifters, gas proportional valves, and material clamping actuators.
Q: What is the standard delivery timeline and spare parts availability?
A: Standard manufacturing lead time is 45 to 60 days following drawing sign-off and deposit receipt. Critical replacement parts-including HD plasma consumables, proximity switches, and drive belts-are stocked for immediate global courier dispatch.
Request a Technical Proposal & Layout Integration
To evaluate cycle-time benchmarks or request a plant-layout integration drawing for your fabrication facility, please share your maximum workpiece dimensions, annual tonnage requirements, and target material grades with our engineering team.
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