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{"title":"D28 28mm Nitrided Cast Iron 3D Welding Work Table with Clamps","imgUrl":"https:\/\/img.chinax.com\/nimg\/db\/b4\/758da2941271a0d1d43dc4246b6b-200x200-1\/d28_28mm_nitrided_cast_iron_3d_welding_work_table_with_clamps.jpg","attrs":{"Surface Treatment":"Full Gas Nitriding","Price":"500-1500 USD","Packaging Details":"3000*2000*200mm","System Standard":"D28 (28mm hole diameter)"}}
D28 Hole Grid 3D Welding Table For Heavy Workpieces
Product Overview
The D28 Hole Grid 3D Welding Table for heavy workpieces is a standard fixture for heavy-duty welding applications. Characterized by high strength, high precision, high flexibility, and 3D versatility, it significantly enhances welding efficiency and quality for heavy workpieces while reducing tooling costs, making it suitable for small-batch, high-variety production and automated assembly lines.
Key Specifications (D28 Standard)
Bore Diameter
φ28.10 ± 0.03 mm (Standard D28)
Hole Spacing / Grid
100 ± 0.05 mm (Standard X/Y axes); Premium version features a denser 50 × 50 mm grid
Tabletop Thickness
25 mm (Heavy-duty)
Material
Q355 (16Mn) low-alloy steel / HT300 cast iron; steel components offer superior load-bearing capacity and deformation resistance
Flatness
≤0.3 mm/1000 mm; Perpendicularity: ≤0.1 mm/200 mm
Load-bearing Capacity
2000-3000 kg/m²; suitable for heavy workpieces
Working Surfaces
5 sides (top + 4 sides) with a full hole pattern; enables comprehensive 3D clamping
Support System Classification
Fixed Legs: Constructed from welded, heavy-gauge square tubing and reinforced with diagonal bracing; offering exceptional stability, they are the ideal choice for stationary workstations and long-term operations involving heavy workpieces.
Adjustable Legs: Equipped with leveling bolts at the base offering an adjustment range of ±50mm, allowing for quick leveling on uneven floors; non-slip rubber pads come standard.
Mobile Caster Version: Fitted with heavy-duty, lockable swivel casters, enabling a single person to move the entire D28 3D welding fixture table; suitable for workflows requiring movement or shared use across multiple workshops (fixed legs are recommended for heavy-load applications).
Extended-Height Stands: Designed specifically for large workpieces and vertical welding tasks; by raising the platform height, they accommodate operators of varying statures and ensure compatibility with various lifting devices.
Common Issues and Solutions
Tabletop deformation: Causes → Lack of aging treatment / Overloading; Solutions → Choose reputable manufacturers, do not exceed load limits, conduct regular inspections.
Fixture jamming: Cause → Welding spatter entering holes; Solutions → Clean holes daily, use protective plugs.
Loss of precision: Causes → Prolonged heavy loading + vibration; Solutions → Calibrate 3D welding table precision every six months, regrind for repair if necessary.
Choose D28 Hole Grid 3D Welding Table For Heavy Workpieces for efficient and stable heavy workpiece welding.