Laser Welding System For Automotive BIW Roof Panels
Products Description
HGLASER BIW roof laser welding machine is custom‑built for mass‑production automotive body‑in‑white roof panel welding & laser brazing. Equipped with multi‑axis servo control and advanced seam‑tracking technology, it delivers uniform, gap‑free welding seams to meet strict OEM quality requirements, supporting high‑volume automobile manufacturing for traditional fuel vehicles and new‑energy EVs.
Products Features:
- Multi‑model compatibility: One single production line supports 4‑10 different vehicle platforms, fast model‑changeover.
- Full‑set customized solution: Custom‑made BIW clamping fixture, roof holding tooling, special laser welding control cabinet according to customer workshop requirements.
- Body‑in‑white structural optimization consultancy: Provide body‑structure improvement suggestions to guarantee stable welding precision & mass‑production controllability.
- Modular standardized laser‑cabin & welding accessories, shorten delivery cycle, easy maintenance.
- Superior welding seam appearance: Welding result outperforms CMT welding and electron‑beam welding; many OEMs allow direct painting without secondary polishing.
- Advanced seam‑tracking system: Compensate body‑in‑white assembly deviation, ensure consistent seam width and stable performance in high‑volume production.
Key Technical Specifications：
| Laser Power | 3.6‑6 kW |
| Processed Base Material | Carbon steel / Aluminum alloy for auto BIW |
| Brazing / Welding Speed | 60‑120 mm/s |
| Application Object | Car roof panel BIW assembly |
| Production Mode | Mixed multi‑model mass production |
Products Application:
Automotive OEM body‑in‑white roof laser brazing / laser welding
New energy electric vehicle roof panel assembly
Multi‑model mixed‑mode production for sedan, SUV, MPV & commercial vehicles
Tier‑1 auto body component supplier automated production workshop
Real‑World OEM Reference Cases
- HGLASER has delivered dozens of BIW roof laser welding lines for world‑famous automotive OEMs, including SAIC, GM, BYD, Ford, DPCA, JAC, NEXTEV etc. Projects cover sedan, SUV and new‑energy EV platforms, with running factories across China & Vietnam Ford plant.
- GM / SAIC‑GM: Multiple roof laser brazing projects for K211, D213, E261 EV series
- BYD: Xi'an & Changsha plant SA2FC / SA3F new‑energy vehicle roof laser brazing lines
- Ford Vietnam V362: Overseas BIW roof laser welding production‑line project
- DPCA (Stellantis): G95, BZ3, W23 508 series roof laser brazing projects
- NEXTEV, JAC, JMC, Zotye: Domestic passenger‑car & commercial‑vehicle BIW welding lines
What We Solve for Automobile Manufacturers?
Compensate body‑in‑white assembly deviation and keep welding‑seam consistency
Guarantee beautiful, uniform weld profile and seam width
Ensure long‑term equipment stability under 24‑hour mass‑production cycle
Lower investment vs imported European laser BIW lines with equivalent quality performance
Deliverable Scope of Turn‑key Solution
- Laser welding host unit + multi‑axis servo motion system
- BIW roof clamping fixture & customized tooling
- Seam‑tracking monitoring system & safety laser cabin
- Special industrial control cabinet & HMI operation software
- Installation, commissioning, operator training, after‑sales remote support
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