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V-shaped positioning block for 3D welding table

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Wuxi Lemar Machinery Equipments Co., Ltd.

City: wuxi

Country/Region:china

Tel:86-510-8888-6966

Contact Person:
Mr.Oscar View Contact Details

V-shaped positioning block for 3D welding table

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Brand Name WUXI LEMAR
Model Number D28/D16
Certification CE
Place of Origin WUXI
Minimum Order Quantity 1
Price 1-20 USD
Payment Terms L/C,D/A,D/P,T/T,Western Union
Supply Ability 5000 units/month
Delivery Time 3-7 work days
Packaging Details 3000*2000*200mm
Compatible System D16 / D28 standard hole system
Standard Hole Pitch 50mm / 100mm
Material 40Cr Alloy Steel
Craft Integral forging + CNC precision milling
Hardness HRC 45–50
Surface Treatment Blackening / Galvanizing / Gas Nitriding
Positioning Accuracy ±0.02mm
Tensile Strength ≥ 980 MPa
Yield Strength ≥ 785 MPa
Impact Toughness ≥ 39 J/cm²
Working Temperature Range -20℃ ~ +400℃
Detailed Product Description
V-shaped positioning block for 3D welding table
 
  • V-groove opening: Mainstream angles are 90°/120°/130°/135°. 90° offers high centering accuracy for small to medium-sized round tubes; 120°/130° provides a larger and more stable contact area, suitable for large diameter tubes or heavy loads.
  • Bottom positioning structure: Equipped with D16 (φ16) or D28 (φ28) standard positioning holes, fixed to the welding platform grid holes (50/100mm spacing) via positioning pins/locking pins. It can be installed in any position with a repeatability accuracy of ±0.02mm.
  • Material and hardness: High-strength alloy steel/40Cr, surface hardened to HRC45-50, wear-resistant, deformation-resistant, and resistant to welding spatter damage.
  • Working principle: Utilizing the self-centering characteristic of the V-groove, after the cylindrical workpiece is placed, the axis automatically aligns with the V-center, and it can be fixed with the clamping device without complex adjustments.
Main Specifications
  • Compatible hole systems: D16 (φ16mm), D28 (φ28mm)
  • Applicable pipe diameter range: φ10-200mm (depending on model)
  • Weight: 2.5-3.5kg
  • Surface treatment: Blackening / Zinc plating / Nitriding (rust prevention, wear resistance)
 
Product SeriesSpecifications and dimensionsWeight (kg)
D28 seriesφ58/130°0.3
φ80/130°0.5
φ110/130°1
D16 seriesφ48/130°0.7
φ65/130°1.5
φ80/130°2
Functions and Advantages
  • Precise Centering: The symmetrical V-groove design automatically centers cylindrical workpieces, solving the problems of eccentricity and misalignment in round pipe welding and ensuring coaxiality.
  • Flexible Adaptability: Compatible with 3D welding table D16/D28 hole systems, it can be used individually or in pairs, combined in any position, and adapted to pipes of different lengths and diameters.
  • Efficient Clamping: No need for customized special tooling, quick positioning and clamping significantly reduces clamping time and improves welding efficiency.
  • Stable Support: The large-angle V-groove (120°/130°) provides a large contact area, preventing slippage and rolling, and resisting deformation under welding stress.
  • Durable and Economical: Made of hardened alloy steel, it is high-temperature resistant, spatter resistant, wear-resistant, and reusable, reducing long-term costs.
Load and Operating Conditions
The overall structure is thickened and reinforced, ensuring it remains undeformed under heavy loads and can support heavy round pipes, shafts, and mechanical fittings.
Suitable for frequent use in workshops such as cold working welding, steel structure welding, vehicle frame welding, pipe prefabrication, and engineering machinery tooling.
Resistant to weld slag, impacts, and repeated disassembly and assembly, its service life is several times that of ordinary spacers.
Process and Surface Treatment
The body is made of integral forging and precision milling, not ordinary cast iron, making it less prone to breakage and deformation.
High-precision CNC milling of V-grooves ensures a smooth, burr-free contact surface and high repeatability.
Mainstream processes: Integral nitriding, blackening, galvanizing
  • Nitriding: High hardness, resistance to welding spatter, high temperature resistance, rust and corrosion resistance; the first choice for high-frequency welding in factories.
  • Blackening/galvanizing: High cost-effectiveness, suitable for ordinary light-load welding conditions.
FAQ
Q: What is the positioning accuracy?
A: Precision CNC milled, repeat positioning accuracy up to ±0.02mm, ensuring welding coaxiality and assembly consistency.
Q: Can it be used repeatedly?
A: Yes, it is modular and movable. It can be disassembled and rearranged freely for different workpieces, no need to make custom fixtures.
Q: What is the delivery time?
A: Standard models are in stock, delivery within 3-7 days. Custom size or special surface treatment needs 10-15 working days.
Q: Do you support customized size?
A: Yes, we can customize height, V-angle, overall dimension and logo according to customer's drawings.
Q: What is the package?
A: Anti-rust oil + bubble film + export carton. Safe for sea and air shipping, no damage and no rust during transit.
Q: Can you provide CE certificate and technical drawing?
A: Yes, CE certificate, material test report and product dimension drawing can all be provided for your market sales.
Interested in our V-shaped positioning block for 3D welding table and want to buy it?
Just feel free to message us for more details and best price. We're always here to help you!
Product Tags: V-shaped welding positioning block   3D welding table fixture   welding clamp positioning tool  
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