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HGTECH IGBT Module Laser Welding Solution
2025-11-06149
The global new energy vehicle (NEV) industry is undergoing explosive growth. The surge in production places higher demands on precision, efficiency, and safety in powertrain manufacturing. Traditional welding methods face significant limitations, and the industry urgently requires an advanced manufacturing revolution that is efficient, eco-friendly, and precise.
Building on decades of experience in intelligent manufacturing solutions for automotive electronics, HGTECH has globally launched an automotive-grade IGBT module laser welding solution, providing a comprehensive welding system for Ceramic Copper-Clad Board + PIN Laser Welding, tailored to the needs of new energy vehicle manufacturers.
Laser Welding — The Choice for Advanced Manufacturing
Laser welding works by precisely controlling beam energy and focal position to achieve efficient, high-precision bonding between materials. Featuring high energy density, non-contact processing, and superior accuracy, it has become a key technology for green manufacturing and sustainable industrial development.
HGTECH has leveraged decades of technological accumulation and continuous R&D investment to establish a full range of advanced manufacturing equipment for NEV electronics. The company focuses on high-precision processing of key powertrain systems, offering integrated laser welding solutions across multiple materials and application scenarios.
Deep Expertise — Welding Specialist for the Automotive Industry
With profound technical expertise, HGTECH has developed a comprehensive process library covering diverse automotive welding scenarios such as hairpin motors, MCU modules, and electronic components. Each solution is customized to address specific pain points:
1. Hairpin Motors
Challenge: Low yield and poor stability.
Solution: HGTECH’s self-developed vision recognition system with an intelligent dynamic parameter library automatically identifies incoming material conditions and adjusts welding parameters in real-time, ensuring consistent weld quality.
Equipment: Large-format Hairpin Motor Laser Welding Intelligent Equipment.
2. MCU Busbar
Challenge: Low welding yield.
Solution: Elastic clamping fixture with integrated suction and splash protection; a comprehensive “pre-welding, in-process, post-welding” inspection system guarantees welding reliability.
Equipment: MCU Busbar Laser Welding Intelligent Equipment.
3. High-voltage Relay
Challenge: Cracking and sidewall smoke residue.
Solution: Customized laser source with oscillating welding head disperses concentrated energy, minimizing cracks and residues; compatible with multiple product specifications.
Equipment: Automotive High-voltage DC Relay Laser Welding Intelligent Equipment.
4. Automotive Camera Module
Challenge: Requires crack-free, low thermal damage, and high sealing performance.
Solution: Four-station rotary design with pre/post-welding inspection; precise pressure control and in-process cooling system prevent thermal damage to AA glue. Under 52–54 KPa gas tests, leakage remains within acceptable range (-2 to -10 Pa/s).
Equipment: Automotive Metal Camera Laser Welding Intelligent Equipment.
5. Automotive Plastic Components
Challenge: Significant thermal deformation.
Solution: High-precision semiconductor laser with customized fixtures, galvo scanning system, and CCD monitoring; real-time monitoring of collapse value, pressure, and laser power ensures consistent weld quality.
Equipment: Automotive Plastic Parts Laser Welding Intelligent Equipment.
Through deep understanding of precision, thermal management, material characteristics, and defect control, HGTECH has developed a mature process methodology recognized by leading automotive electronics manufacturers worldwide as a trusted long-term partner.
World Premiere — First Application of Laser Welding for IGBT Modules
Focusing on the challenges of IGBT module welding, HGTECH has introduced laser technology into the PIN welding process for the first time, achieving significant breakthroughs in precision and efficiency. The company has developed the world’s first Ceramic Copper-Clad Board + PIN Laser Welding Automation Equipment.
This system integrates automatic control, in-process monitoring, vision inspection, and big data analytics, replacing traditional soldering and ultrasonic processes. It delivers high-quality, fully automated IGBT module welding — improving yield, reliability, and efficiency.
Ceramic Copper-Clad Board + PIN Laser Welding Automation System
Specially designed for precision welding of Ceramic Copper-Clad Board and PINs in IGBT power module production, this solution enables one-stop automated manufacturing — from cutting, feeding, and welding to inspection — ensuring high product consistency and traceable quality across the entire lifecycle.
Yield ≥ 99.99%: Zero-defect welding with outstanding consistency and reliability.
Penetration Accuracy ±0.2 mm: Ultra-fine focused beam for micro-component precision welding.
Welding Time ≤ 0.2 s: Minimal heat-affected zone prevents delamination or thermal damage.
Pull Strength ≥ 100 N: Excellent mechanical and electrical joint performance.
As the NEV industry enters a new phase of technological transformation, advanced manufacturing equipment has become the foundation of this revolution. As a leader in IGBT module welding solutions, HGTECH continues to expand the application of “Laser + Automation” in automotive electronics manufacturing, committed to becoming a trusted global provider of intelligent manufacturing solutions, empowering the intelligent and green evolution of the global automotive electronics industry.
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