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Precision D28 Welding Table with 0.05mm Hole Spacing Accuracy
Precision D28 Welding Table with 0.05mm Hole Spacing Accuracy is our top-tier 3D flexible welding fixture table engineered for robotic welding stations and high-precision heavy part manufacturing. Every grid hole is processed under constant temperature workshop conditions, controlling hole spacing tolerance within ±0.05mm to guarantee repeatable positioning consistency during mass production.
The entire table undergoes complete stress relief treatment to resist thermal deformation caused by prolonged welding heat exposure. With full 5-sided CNC drilling design, it supports multi-angle 3D clamping, and all standard D28 modular accessories are fully interchangeable. Available in nitrided Q355 steel and HT300 cast iron versions, this table significantly reduces custom jig costs and rework rates for new energy vehicles, construction machinery, and rail transit manufacturers.
Product Specifications
Parameter
Data
Hole Standard
D28, Φ28mm hole, 100×100mm grid
Hole Spacing Accuracy
±0.05mm
Tabletop Flatness
0.1mm/1000mm
Wall & Tabletop Verticality
≤0.1mm/200mm
Optional Material
HT300 Cast Iron / Q355 Steel
Steel Plate Thickness
25mm
Surface Treatment
Ion Nitriding (Steel Version)
Standard Sizes(mm)
1000×800 ~ 4000×2000
Core Advantages
Minimal Dimensional Error in Welded Finished Products: A standard D28 welding table has a hole spacing of ±0.1mm, which can lead to significant cumulative errors after multiple tooling steps. A ±0.05mm accuracy allows for control over the overall welding form and position tolerances, enabling one-time forming of the chassis and equipment frame, greatly reducing rework.
Dedicated Adaptor for Robot Welding: Robot vision positioning requires extremely high tooling standards. A 0.05mm-level hole system ensures stable and repeatable positioning by the robot program, resulting in uniform dimensions for batch parts and a significantly reduced scrap rate.
Globally Interchangeable Standard Parts: The D28 uses an internationally standard hole system, making positioning rulers, quick-locking pins, support blocks, clamps, and extension brackets all interchangeable. No custom-made tooling is needed, allowing for quick switching between different workpieces.
Slow Accuracy Decline with Long-Term Use: The nitrided hardened layer and low-stress substrate maintain hole spacing accuracy within ±0.05mm for extended periods, even under high welding temperatures and frequent clamping impacts. Ordinary platforms typically exceed this accuracy limit after 1-2 years of use.
Mainstream Application Industries
Heavy Machinery: Construction machinery chassis, excavator structural components, wind turbine tower supports
Rail Transit: Bus chassis, rail locomotive frames, container steel structures
Automobile Manufacturing: Truck chassis, new energy battery boxes, construction machinery cabs
Automated Welding: Robotic welding workstations, precision sheet metal batch welding
Equipment Manufacturing: Machine tool frames, special equipment, pressure vessel accessories
Incoming Material Inspection: Spectral analysis is performed on steel plate and cast iron raw materials to ensure compliance with Q355/HT300 specifications and to eliminate the use of substandard recycled materials.
In-Process Inspection: During the rough milling, finish milling, and reaming stages, hole spacing is checked via sampling every two hours; any non-conforming semi-finished parts are immediately sent for rework.
Finished Product Inspection: Comprehensive inspection covers hole spacing, flatness, perpendicularity, parallelism, hole diameter, diagonal error, and surface hardness. All data is recorded to generate both physical and digital inspection dossiers, suitable for export customs clearance and customer factory audits.
Pre-shipment Protection: Upon completion of machining, anti-rust oil is injected into the holes, and the entire work surface is wrapped in anti-rust film to prevent corrosion during storage and transportation.
If you are looking for a high precision welding fixture solution, our Precision D28 Welding Table with 0.05mm Hole Spacing Accuracy will perfectly meet your production demands.
Feel free to send us your required size, material and accessory demands, we will offer you the most competitive quotation right away.
