HFIS-400C Precision Spot Welding Machine

Different metal materials require specific spot welding processes. The HFIS-400C precision spot welding machine is engineered for applications where material type, weld position, and joint consistency must be considered together. Beyond common steel and stainless steel welding, this machine handles non-ferrous metals including copper, silver, nickel, and their alloys. For automotive manufacturing, it's suitable for high-strength steel, hot-formed steel, galvanized sheet, and nut or bolt projection welding.

Precision Resistance Spot Welding
The HFIS-400C is designed for resistance spot welding where controlled electrical energy and electrode pressure form welded joints between metal components.

Wide Material Compatibility
This machine welds various conductive materials including:

Actual welding suitability should be confirmed through sample testing based on material grade, thickness, joint structure, and required weld strength.

Suitable for Automotive Sheet Metal
The HFIS-400C is ideal for spot welding and projection welding applications involving high-strength steel, hot-formed steel, and galvanized sheet commonly used in automotive components.

Supports Nut and Bolt Projection Welding
This machine handles projection welding of nuts and bolts, with process parameters depending on projection geometry, workpiece thickness, material combination, and required joint strength.

Compact Precision Welding Platform
The HFIS-400C provides a dedicated machine platform for applications requiring repeatable resistance welding rather than general-purpose manual setups.

Resistance spot welding forms joints by passing electrical current through contact areas between metal components while applying electrode pressure. The process includes: workpiece positioning, electrode contact, pressure application, welding current, weld formation, holding, and electrode release. For projection welding, projections on nuts, bolts, or workpieces concentrate current and pressure at defined contact points. Welding parameters should be established through testing as different materials, coatings, thicknesses, and joint structures create varying welding conditions.

Steel and Stainless Steel
These common resistance welding materials benefit from the HFIS-400C's repeatable electrode contact and controlled welding conditions.

Copper and Copper-Based Components
Copper's high electrical and thermal conductivity requires specific electrode configuration and welding parameters evaluated according to component structure.

Silver and Nickel Components
When welding silver and nickel used in conductive and electrical components, the process balances joint strength, electrical performance, and surface condition.

Galvanized Sheet
The zinc coating on galvanized steel influences electrode-workpiece contact, making appropriate welding parameters and electrode maintenance crucial for consistent production.

Automotive Spot and Projection Welding
The HFIS-400C applies to automotive manufacturing processes involving:

For automotive production, the welding machine should match actual component geometry and production method. Dedicated fixtures and electrodes ensure repeatable positioning and controlled electrode access.

Haifei develops resistance welding equipment and customized welding solutions for industrial production. Our product range covers spot welding, capacitor discharge welding, seam welding, diffusion welding, and automated welding equipment. For precision spot welding projects, equipment selection combines with process evaluation, fixture design, electrode configuration, and sample welding. This approach is particularly valuable for applications involving non-ferrous metals, high-strength automotive steel, galvanized sheet, nut and bolt projection welding, irregular workpieces, multiple welding positions, and customized production requirements.