| Customization: | Available |
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| Type: | 2D Welding Table |
| Structure: | Platform |
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Precision Cast Iron Welding Table 3D Fabric Welding Platform D28 2000*3000
Model: D28 (refers to hole diameter)
Dimensions: 2000mm × 3000mm (standard large size for heavy-duty work)
Material: High-grade cast iron (GGG-50/GG20/GG25) for superior vibration damping and thermal stability.
Surface Treatment: Precision-machined, hardened, and sometimes coated with anti-rust or heat-resistant finishes.
Hole Pattern: Typically features D28 holes (28mm diameter) arranged in a grid (e.g., 100×100mm spacing).
Flatness: ≤0.05mm/m² (critical for high-tolerance welding/fabrication).
Hole Positioning Accuracy: ±0.02mm (ensures repeatable fixture setups).
Vibration Damping: Cast iron absorbs vibrations better than steel, reducing weld distortion.
Standardized Fixture System: Compatible with clamps, supports, angle plates, and other modular components.
Reconfigurable: Holes allow infinite workpiece positioning options.
Expandable: Can be combined with additional tables for larger projects.
High-Temperature Resistance: Withstands welding splatter and heat without warping.
Rust Prevention: Some models feature electrophoresis coating or oxide layers for corrosion resistance.
| Aspect | Cast Iron | Q355 (Structural Steel) |
| Material Category | Iron-carbon alloy with high carbon content (2-4%), produced by casting. | Low-alloy high-strength structural steel (GB/T 1591-2018), produced by rolling/forging. |
| Common Types | Gray Iron, Ductile Iron. | Replaces the old grade Q345. |
| Key Composition | High carbon (2-4%), high silicon (1-3%), low manganese (0.1-1%). | Low carbon (≤0.24%), low silicon (≤0.55%), manganese (1.0-1.6%), with microalloys (Nb, V, Ti). |
| Mechanical Properties | - Tensile Strength: 120-400 MPa (low) | - Tensile Strength: ≥355 MPa (actual: 470-630 MPa) |
| - Brittle, low toughness | - High toughness, impact resistance | |
| - High hardness (HB 150-300) | - Moderate hardness (HB 130-180) | |
| - Poor weldability. | - Excellent weldability. | |
| Manufacturing Process | Casting (molten metal poured into molds). Ideal for complex shapes. | Hot/cold rolling, forging. Easy to cut, weld, and machine. |
| Applications | Engine blocks, machine tool bases, pipes, cookware (e.g., cast iron pans). | Structural frameworks (buildings, bridges), ships, pressure vessels, machinery. |
| Advantages | Cost-effective, wear-resistant, good vibration damping. | High strength-to-weight ratio, ductile, suitable for dynamic loads. |
| Limitations | Brittle, difficult to machine post-casting. | Requires corrosion protection in harsh environments. |
| Parameter | D16 Series | D22 Series | D28 Series |
| Application | Small precision parts, electronic assembly | Medium-sized components, multi-station setups | Heavy-duty equipment, large structural parts |
| Load Capacity | Medium (≤2 tons) | High (≤5 tons) | Extreme (≥10 tons) |
| Flexibility | Optimal (dense small holes) | Balanced | Focused on strength |
| Typical Industries | Automotive parts, laboratories | Construction machinery, rail transit | Shipbuilding, energy equipment |
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