700L Dual-Side Battery Welding Machine: Precision Welding Solution for Next-Gen Energy Storage

Industry Demand Fuels Innovation in Battery Manufacturing

As global EV adoption accelerates, battery producers face three critical challenges:

Precision Requirements: 4680 cylindrical batteries demand electrode welding accuracy <0.05mm

Throughput Pressure: Leading manufacturers target 3GWh/year output, requiring 300% UPH (units per hour) efficiency

Digital Transformation: Tesla’s "Gigafactory" model drives automation and real-time data integration in welding processes

Key Technical Advantages of the 700L Series

Model: TWSL-700L

(Compatible with Φ18-21mm batteries | Length ≤70mm | Welding speed 3500pcs/h)

1. Dual-Power Architecture

Simultaneous Welding: Welds both positive/negative tabs in one cycle, boosting productivity by 50%

Intelligent Power Calibration: Auto-adjusts parameters for aluminum/copper/nickel materials

2. Advanced Vision System

3D Laser Calibration: Real-time error correction for winding/stacking tolerances

AI Defect Detection: Automatically identifies weak welds/spatter/pores, achieving 99.8% yield

3. Ultra-Precise Control

Gradient Heat Input: Prevents overheating in high-nickel cathodes, extending battery life by 20%

0.02mm Repeatability: Meets ultra-thin foil requirements for blade batteries

4. Digital Integration

Edge Computing Module: Uploads welding data to the cloud for remote diagnostics

MES-Compatible Traceability: QR code access to 128 welding parameters per cell

6 Real-World Application Scenarios

Customer Success Stories

Top-tier Battery Plant: Deployed 32 units, achieving:

Annual capacity surge from 50GWh → 150GWh

OEE (Overall Equipment Effectiveness) >98%

European EV OEM Project: Certified under IATF 16949, powering Audi e-tron GT battery packs

Feature Comparison

Dimension Traditional Welder 700L Intelligent Welder

Welding Consistency：±0.15mm ±0.05mm

Form Factor Flexibility：Square cells only Cylindrical/soft pack/blades

Intelligence Level：No data connectivity Integrated MES system

Cost Efficiency：$120k/unit $180k/unit (30% cost saving)

Technical Specifications & Certifications

Parameter Specification

Input Voltage：AC220V±15%/AC380V±10%

Welding Frequency ：1-100Hz adjustable

Protection Rating： IP67 (dust/water resistant)

Noise Level：≤58dB(A)

Certifications：CE/UL/ISO 14001

Why Choose  Sunkalead?

Patented Technology: "Dual-pulse + Adaptive Control" algorithm nominated for National Science Progress Award

Global Delivery: Factories in Dongguan/Shenzhen/Germany, 30-day lead time

Full Lifecycle Support: Welding process development, maintenance, and spare parts supply

Take Action Today

 Free Consultation: 

Demo Request: 72-hour virtual commissioning without onsite visits

 Customization: Tailored solutions for CATL/Tesla battery formats.

Free Consultation: For any inquiries about battery pack assembly line solutions,please don't hesitate to contact us.