Welding Jig Table

Welding Jig Table is a specialized workstation engineered to integrate dedicated jigs and fixtures for high-precision, repeatable welding of specific components. Unlike Assembly Welding Tables that focus on general assembly workflows, this table is designed around custom or semi-custom jigs, ensuring that each workpiece is positioned identically during every weld—making it indispensable in mass production scenarios like automotive parts manufacturing, appliance fabrication, and standardized metal component production.

The core structure features a rigid base (typically HT300 cast iron or D28 steel) with a precision-machined surface, onto which dedicated jigs are permanently or semi-permanently mounted. These jigs—often crafted from hardened tool steel—incorporate locators, pins, and clamps tailored to the workpiece’s unique geometry. For example, a welding jig table for automotive exhaust flanges will include fixed pins that align the flange’s bolt holes within ±0.02mm, and pneumatic clamps that apply 3-5kN of force to secure the part, ensuring the weld seam between the flange and pipe remains consistent across thousands of units.

A defining characteristic is its focus on process standardization. The table’s surface is machined to a flatness error of ≤0.05mm/1000mm, providing a stable foundation for jigs to maintain their positional accuracy over time. Jig mounting holes are drilled with tight tolerances (±0.01mm) to prevent fixture shift, even after repeated clamping cycles. Some models feature quick-change jig plates—allowing operators to swap between jigs for related components (e.g., left and right door hinges) in under 5 minutes—balancing specialization with limited flexibility.

Durability is optimized for high-volume use, with the tabletop treated to resist wear from constant jig clamping and welding spatter. Hard chrome plating or nitriding (surface hardness ≥HV800) ensures the surface remains scratch-free, while reinforced edges prevent deformation from concentrated clamping forces. The base often includes vibration-damping features to reduce weld spatter adhesion and minimize thermal distortion during prolonged welding runs.

Compared to Assembly Welding Tables, Welding Jig Tables sacrifice versatility for precision. While assembly tables accommodate a range of part sizes and shapes, jig tables are tooled for specific components—their value lying in eliminating variation between units. They lack the open workspace of assembly tables but include specialized features like built-in alignment sensors that verify jig position before welding, triggering an alarm if tolerances exceed 0.03mm. This makes them ideal for critical welds where consistency directly impacts functionality, such as brake line brackets or hydraulic fitting connections.

Practical applications are tightly linked to standardized production: in appliance manufacturing, they weld refrigerator door hinges with uniform gap control; in electrical panel production, they secure terminal blocks for consistent welds on copper conductors; in furniture production, they ensure chair leg joints are welded at exact 90° angles. Their precision also extends to repair of high-tolerance parts, where jigs restore damaged components to original dimensions before welding.

In summary, Welding Jig Table acts as a "precision enforcer" in mass production, leveraging dedicated jigs to lock in workpiece positioning and clamping. By eliminating human error in part alignment, it ensures weld quality, dimensional consistency, and production efficiency—making it a cornerstone of industries where repeatability and conformity to strict specifications are non-negotiable.

Any size can be customized
D16 Specifications (LxWxH)
1000x1000x50mm；	2000x1000x50mm；
1200x1200x50mm；	2400x1200x50mm；
1500x1500x50mm；
Material:B, Q355 steel plate welding, c, high hardness steel plate welding, d, stainless steel plate welding
Aperture:A = φ16.065 -- φ16.149mm.
Hole spacing:L1=50±0.05mm。
Engraved line:The scribe pitch W1 = 50±0.05mm.
Flatness:0.1/1000mm。
Verticality:0.05/200mm。
Surface roughness:Ra3.2。
Bearing:Standard type 2T, frame type: 5T.
Hardness:Hardness of material body

Any size can be customized
D22 Specifications (LxWxH)
1000x1000x200mm；	2400x1200x200mm；
1200x1200x200mm；	3000x1500x200mm；
1500x1500x200mm；	4000x2000x200mm；
2000x1000x200mm；
Material:A, HT300 casting, B, Q355 steel plate welding, c, high hardness steel plate welding, d, stainless steel plate welding
Aperture:A = φ22.065 -- φ22.149mm.
Hole spacing:L1=100±0.05mm。L2=100±0.05mm。L3=50±0.05mm。L4=50±0.05mm。
Engraved line:The scribe pitch W1 = 100±0.05mm.
Flatness:0.1/1000mm。
Verticality:0.1/200mm。
Surface roughness:Ra3.2。
Bearing:Standard type 2T, frame type: 5T.
Hardness:Hardness of material body and nitriding layer: HV450-HV630

Any size can be customized
D28 Specifications (LxWxH)
1000 × 1000 × 200mm	1500 × 1500 × 200mm
1000 × 1500 × 200mm	1500 × 2000 × 200mm
1000 × 2000 × 200mm	1500 × 3000 × 200mm
1000 × 2500 × 200mm	1200 × 2400 × 200mm
1200 × 1200 × 200mm	2000 × 3000 × 200mm
1200 × 2400 × 200mm	2000 × 4000 × 200mm
Material:A, HT300 casting, B, Q355 steel plate welding, c, high hardness steel plate welding, d, stainless steel plate welding
Aperture:A = φ28.065 -- φ28.149mm.
Hole spacing:L1=100±0.05mm。L2=100±0.05mm。L3=50±0.05mm。L4=50±0.05mm。
Engraved line:The scribe pitch W1 = 100±0.05mm.
Flatness:0.1/1000mm。
Verticality:0.1/200mm。
Surface roughness:Ra3.2。
Bearing:Standard type 2T, frame type: 5T.
Hardness:Hardness of material body and nitriding layer: HV450-HV630