D16/D28 Welding Table
Application:Welding&Assemble
Process:CNC Machining
Surface treatment:Normal/Nitrided
Type:3D
Brand:Lemar
product introduction
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The 3D D16/D28 Welding Table differs from traditional dedicated fixtures: one platform + universal modules, suitable for the welding/assembly of almost all structural components, significantly reducing model changeover time and lowering tooling costs. It is an industrial-grade three-dimensional flexible modular welding fixture platform, with the core being a dual-specification positioning hole array of D16 (φ16mm) + D28 (φ28mm), used for high-precision welding, assembly, inspection, and rapid tooling switching. |
Email:amywang@lemarmetal.com
Whatsapp/Wechat:+86 180 0619 3916
Website:www.lemarmachine.com

Product Series

D16 series
1. Workbench surface grid specifications: 100x100±0.05mm (D28 series); 1mm scale lines on each of the two adjacent sides of the workbench in the X and Y directions.
2. Hole diameter and accuracy: φ28.15±0.03mm (D28 series)
3. Hole spacing: 100±0.03mm (D28 series)
4. Flatness: 0.1mm/m²
5. Perpendicularity: 0.1mm/200mm
6. Parallelism: 0.1mm/1000mm
7. Parallelism and perpendicularity (adjacent sides): 0.1/1000mm
8. Platform surface finish: 1.6μm
9. Platform support: Leg type: 2T/m², Frame type: 3T/m²
D28 series
1. Workbench surface grid specifications: 50X50±0.05mm (D16 series); 1mm scale lines on each of the two adjacent sides of the workbench in the X and Y directions.
2. Hole diameter and accuracy: φ16.15±0.03mm (D16 series)
3. Hole spacing: 50±0.03mm (D16 series)
4. Flatness: 0.1mm/m²
5. Perpendicularity: 0.1mm/200mm
6. Parallelism: 0.1mm/1000mm
7. Parallelism and perpendicularity (adjacent sides): 0.1/1000mm
8. Platform surface finish: 1.6μm
9. Platform support: Leg type: 2T/m², Frame type: 3T/m²

| Dimensions (length × width) | Countertop material | Expansibility | Pitch tolerance |
| 1000 × 1200mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1000 × 1500mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1000 × 2000mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1200 × 2000mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1200 × 2400mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1200 × 3000mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 2000 × 2400mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1500 × 2000mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1500 × 2400mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 1500 × 3000mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 2000 × 2400mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 2400 × 3000mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
| 4000 × 2000mm | HT300/Q355 | Extremely (general module, rapid model change) | ±0.02mm |
Product video
System Structure and Composition

1. Main body (core) of the workbench
- Five-sided processing: top surface + evenly distributed positioning holes on four sides, capable of multi-directional expansion and connection.
- Material: HT250/HT300 cast iron (high rigidity, anti-deformation, high temperature resistance) or Q345/Q355 steel plate (lightweight, high cost-effectiveness).
- Accuracy: flatness ≤ 0.1/1000mm, perpendicularity ≤ 0.1/200mm.
- Size: common sizes include 1000×1000, 1200×800, 2000×1000, 3000×1500, 4000×2000mm, and can be infinitely connected.
2. Standard module (flexible core)
- Positioning type: positioning pins, right-angle blocks, V-shaped blocks, angle irons, positioning plates, clearance washers.
- Clamping type: quick clamps, screw clamping devices, push-pull fixtures, heavy-duty clamping blocks.
- Support type: columns, adjustable supports, U-shaped/L-shaped support blocks, angle gauges.
- Connection type: steel ball locking pins (single locking force can reach 5T, shear force 25T), connection blocks, extension brackets.
3. Supports and accessories
- Support legs, steel frame, hydraulic lifting table, casters, horizontal adjustment feet, lighting, smoke exhaust interface, robot interface, etc.
Cost and return on investment

D16: Primarily used for small / precision / sheet metal parts, with dense holes, fine positioning, and flexible clamping.
D28: Primarily used for heavy / large workpieces, with large holes, strong bearing capacity, and good stability.
Combined use: The same platform can simultaneously accommodate D16 + D28 holes, balancing precision and heavy load.
Installation: Horizontal leveling, rigid fixation; the module is fastened and locked by steel ball locking pins for precise positioning and tightening.
product superiority

Extremely Flexible, One Platform Can Accommodate All Workpieces.
- There is no need to design and manufacture dedicated fixtures for each product.
- The advantages are most obvious in scenarios involving small batches, multiple varieties, and frequent changes in production.
- It can be used for both sheet metal parts, brackets, frames, and large vehicle frames as well as construction machinery components.
Five-Sided Porous Structure, Capable Of Arbitrary Clamping In 3D Space
- The tabletop and all four sides have positioning holes, achieving true three-dimensional clamping.
- It can be fixed, supported, and compressed from any direction, and can easily position complex structures.
- It supports multi-platform assembly and can be expanded into an ultra-long and ultra-wide workholding system.
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Product real shot images




Our Service Processes
Pre-sales Consultancy
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Confirmation of order
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Production
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Multi-Channel Shipping
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Confirmation of recei
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After-sale Services
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About us

Company profile
Craftsmanship Creates Quality, Innovation Leads the Future.
We always adhere to the principles of professionalism, reliability and efficiency as our core values. We deeply focus on the field of welding fixtures and continuously refine every detail, aiming to provide global users with more stable, intelligent and valuable industrial equipment.
The 3D D16/D28 Welding Table , as our core product, with its high-precision hole system structure, strong flexibility and outstanding rigidity, helps enterprises achieve rapid model change, precise clamping and efficient production, and safeguards intelligent manufacturing, automated welding and high-quality manufacturing.
In the future, we will continue to drive development through technological innovation, repay trust with ultimate service, and work hand in hand with every partner to jointly build a new height in industrial manufacturing.
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