CNC Nitrided D28 Modular 3D Welding Positioning Work Platform
The CNC Nitrided D28 Modular 3D Welding Positioning Work Platform is a high-precision industrial workstation engineered for professional precision welding and component assembly. Crafted with high-strength cast iron and processed via full CNC precision milling, this platform features a standardized D28 modular hole system with strict industrial tolerance control. The professional nitrided surface treatment effectively resists welding spatter corrosion, high-temperature oxidation and mechanical wear, maintaining stable flatness and positioning accuracy for long-term intensive operation. Its flexible 3D modular structure supports free combination of various positioning fixtures and clamping accessories, enabling fast and accurate fixing of irregular and complex workpieces. Designed to eliminate traditional welding positioning errors and thermal deformation problems, this platform perfectly adapts to manual precision welding, semi-automatic and robotic welding production lines, helping factories standardize processing procedures, improve product consistency and reduce production rework rates.
| Parameter | Specification |
|---|---|
| Model | D28 3D Welding Table |
| Table Top Material | Q355 Steel |
| Surface Treatment | Nitrided (Hardness ≥ 60 HRC) |
| Hole Diameter | 28 mm (D28 System) |
| Hole Grid Spacing | 100 mm × 100 mm |
| Flatness Tolerance | ±0.1 mm / m |
| Load Capacity | Up to 5,000 kg (depending on size) |
| Table Thickness | 25 mm |
| Available Sizes | 1500×1000 / 2000×1000 / 2400×1200 / 3000×1500 mm (custom sizes available) |
| Compatible Accessories | D28 clamping bolts, angle brackets, stop blocks, V-blocks, clamping pliers, riser blocks |
| Application | Welding, assembly, positioning, jigging, inspection |
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1. Ultra-high CNC Machining Precision
The entire platform undergoes full CNC precision milling with strict micron-level tolerance control. The stable ±0.05 mm grid pitch tolerance ensures perfect interchangeability of all D28 standard accessories, realizing consistent repeated positioning accuracy and eliminating batch positioning deviations in long-term mass production.
2. Durable Nitrided Surface Performance
Professional nitriding treatment greatly improves the tabletop surface hardness and wear resistance. It effectively resists welding spatter burns, high-temperature oxidation and daily mechanical friction, retaining original flatness and hole precision for years of continuous industrial operation without frequent maintenance.
3. Rigid Cast Iron Structure Anti-deformation
Adopting integral high-density cast iron structure, the platform features excellent structural rigidity and uniform heat dissipation. It can effectively disperse welding thermal stress and withstand long-term heavy workpiece pressure and repeated clamping force, avoiding bending, warping and permanent deformation.
4. Flexible 3D Modular Positioning System
The universal D28 3D grid hole system matches all mainstream standard fixtures, positioning pins and clamping tools. Operators can freely adjust and combine clamping points according to workpiece shapes, greatly shortening fixture setup time and improving production flexibility for customized and complex workpieces.
5. Excellent Vibration Damping for Stable Welding Quality
Superior vibration damping performance of cast iron effectively absorbs welding vibration and equipment operation vibration. It reduces welding defects such as uneven weld beads, pores and cracks, stabilizing welding molding quality and significantly improving finished product qualification rate.
6. Low Operation Cost and Wide Compatibility
The stable nitrided protective layer avoids frequent polishing and repainting. Daily maintenance only requires simple cleaning of welding slag and debris. The international standard D28 hole system supports most third-party brand accessories, saving equipment upgrade and accessory matching costs for enterprises.
- Heavy machinery component welding in large manufacturing factories
- Large frame fabrication for trailer and truck accessory production
- Structural steel welding for engineering and construction workshops
- Batch production of heavy‑duty metal equipment parts
- Multi‑specimen trial welding for industrial research and development teams
- Metal repair and custom fabrication for heavy‑industry service workshops


If you are looking for high-precision, durable and flexible modular welding workstations to upgrade your workshop production efficiency and welding quality, our CNC Nitrided D28 Modular 3D Welding Positioning Work Platform is your optimal choice. We provide standard finished products, personalized accessory matching and professional customized solution services. Every product undergoes strict precision testing and quality inspection before delivery, with complete certification documents guaranteed. Feel free to send us your inquiry to obtain detailed product parameters, technical drawings, latest quotations and professional matching suggestions. Our professional sales and technical team will reply to you promptly and provide reliable one-stop industrial welding positioning solutions for your business.
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