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Secure It for Good: High-Strength Screw Projection Welding with HAIFEI MFDC Technology.

Loose or stripped threaded connections are a persistent source of failure. This video demonstrates the superior alternative: Screw Projection Welding using the HAIFEI MFDC (Mid-Frequency Direct Current) Spot Welding Machine. Discover how this precise process creates a permanent, metallurgical bond between a screw/stud and a metal sheet, delivering unmatched pull-out strength and consistency for automated assembly.

In This Video, You Will See Why MFDC is Ideal for Screw Welding:

Focused Energy on the Projection: Watch how the MFDC’s stable, concentrated current is perfectly directed at the screw’s pre-formed projection or tip, causing it to collapse and fuse with the base metal with minimal heat spread.

Minimal Distortion & Discoloration: The controlled heat input prevents warping of thin sheets and avoids annealing or discoloration around the weld zone, maintaining part integrity and cosmetic appearance.

Consistent, High-Strength Results: Every weld is a repeatable process. The result is a joint where the failure force exceeds the tensile strength of the screw itself, ensuring the threaded portion is the strongest point.

Perfect for Automation: The speed and reliability of MFDC make it the perfect companion for automated screw feeding systems, enabling high-volume production of welded assemblies.

Engineered for Reliability in Critical Assemblies:
HAIFEI’s MFDC systems are proven in the most demanding environments. Our technology supports Fortune 500 manufacturers in automotive and appliance industries where fastener reliability is non-negotiable. The precision and robustness of our welders ensure that every screw, from small grounding studs to large mounting bolts, is secured to specification, batch after batch.

Key Features & Technical Benefits:

Superior Weld Strength: Creates a fusion weld nugget that provides exceptional torque-out and tensile strength.

Excellent Weld Consistency: Advanced controllers compensate for variations in screw or surface condition, ensuring a high first-pass yield.

Clean Process with Low Spatter: Reduces post-weld cleaning and minimizes the risk of spatter interfering with threads or nearby components.

High Efficiency & Speed: Fast weld cycles (often ≤ 100 milliseconds) support high production rates.

Extended Electrode Life: The efficient DC process reduces electrode wear and mushrooming compared to AC welding.

Ideal Applications & Industries:

Automotive Components: Welding mounting studs, grounding screws, and fasteners to body panels, brackets, and chassis components.

White Goods & Appliance Manufacturing: Attaching leveling feet, mounting bolts, and terminal screws to appliance cabinets and frames.

Electrical Enclosures & Panels: Welding threaded studs for secure grounding or component mounting inside boxes and cabinets.

Furniture & Metal Fabrication: Permanently attaching threaded inserts to metal furniture and structures.

Tired of Threaded Fastener Failures in Your Products?
If you are a Manufacturing or Design Engineer looking to eliminate loose hardware, reduce assembly steps, and create a more robust product, projection welding with MFDC technology is your answer.

📞 Contact HAIFEI for a Screw Welding Feasibility Test:
🌐 Visit Our Website: www.busbarwelder.com
📧 Email Us Directly: [email protected]
📱 WhatsApp/Call: +86 158 1641 7853

Send us your screw and base metal samples. We will perform weld tests and provide you with strength data (tensile and torque-out) to validate the performance for your application.

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#ProjectionWelding #ScrewWelding #MFDCWelding #SpotWelding #Fastening #AutomotiveManufacturing #ApplianceManufacturing #Automation #WeldingTechnology #HAIFEI #MetalFabrication #Manufacturing