3D Welding Table Support Angle Iron
Application:Welding&Assemble
Process:CNC Machining
Surface treatment:Normal/Nitrided
Type:3D
Brand:Lemar
Products Description
- Right angle positioning and stopping: Provides high-precision 90 ° reference to ensure workpiece perpendicularity and positioning repeatability.
- Desktop extension and expansion: fixed on the side of the platform, horizontally/vertically extending the effective working area, suitable for oversized workpieces.
- Three dimensional construction: Combining square boxes, columns, and corner pieces to build a three-dimensional tooling framework, achieving multi-faceted welding and positioning.
- Heavy duty support and load-bearing: Thick walled structure, high rigidity, supports heavy components, reduces welding deformation and vibration.
- Multi working face versatile: All four working faces can be positioned/clamped, and can be interchanged in front and back/left and right directions, reducing the number of accessories.

mainstream specifications
Basic Info
- Material Options
- Cast iron HT300: preferred, high rigidity, good shock absorption, strong stability, minimal deformation after aging treatment, suitable for high-precision and heavy-duty welding.
- Steel Q345 (Q355): High strength, good toughness, suitable for high-strength working conditions, slightly lower cost.
- Key process
- Heat treatment: Whole annealing+natural aging for ≥ 6 months, completely eliminating internal stress, and long-term use without deformation.
- Precision machining: Six sided milling and grinding, flatness ≤ 0.05mm/1000mm, perpendicularity ≤ 0.05mm-200mm, smoothness Ra1.6 μ m.
- Hole system accuracy: D28 hole diameter 28.10 ± 0.03mm, hole spacing 100 ± 0.03mm; D16 hole diameter 16.10 ± 0.03mm, hole spacing 50 ± 0.03mm, positioning pin/bolt fit without clearance.
- Surface treatment: rust proof primer+slag resistant coating, splash proof, easy to clean, and corrosion-resistant.
Standard Sizes
| D28 series (diameter 28 holes, hole spacing 100mm, heavy-duty) | D16 series (diameter 16 holes, hole spacing 50mm, light/medium) |
| 300 × 275 × 100mm, approximately 13kg | 200×140×50mm,approximately 2kg |
| 400×275×100mm,approximately 18kg | 400×190×50mm,approximately 4.5kg |
| 500×275×100mm,approximately 23kg | 600×190×50mm,approximately 6kg |
| 600×275×100mm,approximately 28kg |
Not sure which size fits best?
Send us your workpiece photos, and we'll get back to you with a perfect solution.
core advantage

- High precision: time processing+precision machining, stable accuracy for long-term use, ordinary angle iron is prone to deformation and poor accuracy.
- High interchangeability: Global standard hole system, compatible with all 3D platforms/accessories, no need for customization.
- High efficiency: Modular combination, fast positioning/clamping, no need for marking/welding fixtures, reducing changeover time by over 80%.
- High rigidity: Thick walled castings/steel parts, good shock absorption, reduced welding deformation, and improved product quality.
- Durability: Resistant to welding slag and corrosion, with a lifespan of up to 10 years. Ordinary angle iron is prone to rust and wear quickly.
use in combination
Product adaptation
Lay flat on the platform, align the holes, and secure with locking pins/bolts as the right angle reference and stop for the workpiece.
Vertically fixed on the side of the platform, extending outward from the tabletop, suitable for long/wide oversized workpieces.
Structural details and characteristics
- Overall shape
Standard L-shaped right angle integrated structure, without splicing welding, cast as a whole or milled as a whole steel plate, to prevent weld deformation and cracking problems.
- Hole layout
Not only are there holes drilled on both sides, but there are also standard modular holes on multiple sides (with holes on the front, side, and facade), which can be installed horizontally, vertically, side hung, or inverted at will.
The hole is a stepped through-hole, suitable for locking bolts, locating pins, quick fixtures, and U-bolts, making disassembly and fixation very convenient.
- Thickened rib plate design
Large sized supporting angle iron with reinforced ribs inside, resistant to heavy pressure and torsion, and capable of bearing weight without deformation, suitable for heavy-duty steel structures and large frame welding load-bearing positioning.
- Chamfering anti collision
All outer edges are precisely chamfered without sharp burrs, preventing scratches on the workpiece and operators, as well as avoiding welding slag accumulation at sharp corners that are difficult to clean.

Key selection points
The most suitable choice
- Hole matching: Consistent with the platform (D16/D28), hole diameter/spacing must be fully compatible.
- Material selection: Q345 for heavy-duty/high-frequency applications; Choose HT300 for regular/vibration reduction.
- Size specifications: Select length/height based on the size of the workpiece and load-bearing requirements, with a reserved margin of 10-20%.
- Accuracy level: Select 0.05mm level for precision welding; Choose 0.1mm grade for ordinary welding.
Company profile

LEMAR MACHINERY
Starting locally and expanding to serve welding fixture partners in over 30 countries worldwide, this is our growth story:
2005 🏭 Founding Vision: Rooted in China, dedicated to welding equipment R&D;
2007 🌍 Going Global: Initiating a globalization strategy and upgrading products to international standards;
2008 ⚙️ Comprehensive Upgrades: Added 3D welding platforms and other production lines, transitioning into a comprehensive solution provider;
2015 ✅ Quality Certification: Obtained CE/GS certifications and entered the high-end European and American markets;
Today 🌟, we are present worldwide, serving high-end manufacturing sectors such as automobiles, wind power, and shipbuilding, earning the trust of global clients with our expertise.
Certificate of Product Quality

3D Welding Table Support Angle Iron has CE official certification, strictly complies with EU industrial safety and structural standards, and enters the EU market in compliance with regulations, with unobstructed customs clearance. Certification enhances product quality and production strength, and is highly recognized by European factories, engineering companies, and wholesalers, providing advantages in bidding and procurement. Simultaneously avoiding the risks of EU market regulation, there are no hidden dangers of investigation, delisting, or recall; Different from ordinary uncertified competitors, the brand has higher professionalism, stronger premium and order competitiveness.
FAQ
Q:What sizes are available?
A:Regular D16/D28 standard sizes in stock. Custom non-standard length, height and special hole layout are acceptable.
Q: Can I use it for heavy duty frame welding?
A:Sure. Reinforced rib structure, high load-bearing capacity, ideal for chassis, machinery frame, container and heavy steel structure positioning and supporting.
Q:Do you support OEM / custom logo?
A:Yes. Laser customer logo, custom packaging and neutral packing are all available for wholesale and distributor business.
Q:What is your MOQ?
A:Small trial order is acceptable; bulk order price is more favorable for regular models.
Q:What is the delivery time?
A:Standard models in stock within 3-7 days; bulk or customized orders around 15-25 days.
Q: How about packing for export?
A:Inner bubble wrap + corner protection, outer plywood wooden box or pallet packing, suitable for sea and long-distance transportation, avoid damage and deformation.
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WUXI LEMAR MACHINERY EQUIPMENTS CO.,LTD
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