D28 Modular Welding Table
Application:Welding&Assemble
Process:CNC Machining
Surface treatment:Normal/Nitrided
Type:3D
Brand:Lemar
Products Description

The D28 Modular Welding Table is a three-dimensional, flexible modular fixturing platform. Its core feature is the distribution of φ28mm positioning holes on the table surface and sides at a standard spacing of 100mm, compatible with a full range of modular clamps. It is used in high-precision metal processing applications such as welding, assembly, and inspection, offering advantages such as rapid reconfiguration, high repeatability, and strong durability. It is widely used in the manufacturing of large and medium-sized steel structures and heavy machinery.
Specifications
Hole diameter specification: φ28mm (H7 precision tolerance), providing an interference fit basis for locating pins, ensuring a tight and gap-free connection.
Hole spacing standard: 100mm × 100mm (orthogonal grid distribution), tolerance ≤ ±0.05mm (high-end models ≤ ±0.02mm), serving as the reference scale for three-dimensional spatial positioning.
Hole depth design: typically 25-30mm, up to 40mm for heavy-duty models, balancing positioning stability and table surface structural strength.


Technical parameters

Basic Dimensions: Common table sizes: 1000×1000mm, 1200×1500mm, 2000×2500mm, etc.; Table thickness: 100-200mm (according to load-bearing requirements)
Hole System Specifications: Hole diameter 28mm, hole spacing 50mm/100mm, hole position accuracy ±0.02-±0.05mm, surface roughness Ra≤1.6μm
Material and Process: High-strength alloy steel plate / cast iron; Surface hardening + nitriding / blackening treatment, rust-proof and wear-resistant, hardness HB220-280
Load Capacity: Uniform load of 2-8 tons per table (depending on size and thickness), concentrated load 1-3 tons, table flatness ≤0.05mm/m²
Accessory Compatibility: Compatible with D28 standard accessories such as locating pins, quick clamps, support columns, L-blocks, U-clamps, connecting bridges, etc., compatible with EROWA/3R and other systems
Environmental Adaptability: Operating temperature -10℃~60℃, suitable for industrial environments with welding spatter, oil stains, etc., protection class IP54 (optional upgrade)
Core advantages

Modular Design, Flexible Adaptation: Utilizing standardized modular components, the tooling can be quickly assembled, disassembled, and reconfigured, adapting to small-batch, multi-variety production. Multiple work surfaces can be joined and expanded, compatible with the entire D28 series of locating pins, clamps, support blocks, and other accessories, allowing for rapid switching between workpiece types.
D28 Precision Hole System, Accurate Positioning: The work surface is covered with standard 28mm diameter holes, typically spaced at 50mm or 100mm intervals. Hole position accuracy reaches ±0.02-±0.05mm, ensuring accurate workpiece positioning and repeatable clamping, suitable for both 2D planar and 3D spatial positioning requirements.
High-Strength Load-Bearing, Stable and Durable: The main body is made of Q35/Q455 high-strength steel or HT300 cast iron. The work surface undergoes heat treatment such as quenching and nitriding, achieving a hardness of HB220-280, providing strong wear resistance and deformation resistance. A single work surface can bear several tons, suitable for welding and assembly of heavy workpieces.
Efficient Operation, Cost Reduction and Efficiency Improvement: No need for custom-made fixtures, reducing tooling investment and changeover time; tooling setup takes only a few minutes, lowering labor costs and improving production efficiency, suitable for integrated operations including welding, assembly, and inspection.
Packaging and transportation
Packaging: The tabletop is wrapped with waterproof film and pearl cotton, and packaged in a high-strength plywood crate with reinforced corners; accessories are packaged in separate boxes with a packing list to prevent damage and loss during transportation.
Shipping: Supports sea freight (container), land freight (flatbed truck), and air freight (loose cargo/full container); the gross weight of a single unit is 500-1500kg. Forklifts or cranes are recommended for loading and unloading to prevent damage to the tabletop.
Labeling: The crate is marked with the product model, dimensions, weight, and moisture-proof/shockproof/upward orientation symbols. An installation manual and parts list are included for easy verification upon receipt.
quality assurance

Our D28 Modular Welding Table, thanks to their superior design and rigorous manufacturing, have earned multiple international certifications, including CE, ISO 9001, and SGS. The core hole system accuracy, structural strength, and safety performance have all been strictly verified by professional testing institutions. From raw material selection to finished product delivery, every step of the manufacturing process adheres to certification standards, providing authoritative assurance of product stability and reliability, and offering trustworthy quality support for your precision welding and efficient assembly needs..
After-sales service

The core structure is covered by a 3-year warranty, including key components such as the tabletop and support frame. Failures caused by product design, manufacturing, or material defects will be repaired or replaced free of charge.
Consumable parts (such as locating pins and clamp jaws) have a 6-12 month warranty. Replacements will be provided free of charge during the warranty period, excluding damage caused by human error, improper operation, or force majeure.
All D28 Modular Welding Table undergo rigorous testing before leaving the factory to ensure a 100% delivery acceptance rate. The warranty period begins from the date of equipment acceptance.
About us
Our production and equipment
Our free service hotline:+86 18006193916
Email:amywang@lemarmetal.com

15
years
We have been working in the industry since 2008
32
certificates
We have obtained most of the professional certificates in the industry and insist on international standards of production.
18
awards
We have won a lot of awards for strong creativity
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