Welding Station for Lithium-Ion Battery Assembly

Product Specifications

Technical details and manufacturing context for Welding Station

Definition

The Welding Station is a critical component of the Lithium-Ion Battery Cell Assembly System responsible for creating secure, high-integrity electrical and mechanical connections between battery cell components such as tabs, terminals, and busbars. It ensures the structural integrity and electrical conductivity essential for battery performance and safety. The station typically uses automated welding technologies (e.g., laser welding, ultrasonic welding, or resistance welding) controlled by precision robotics or CNC systems. It positions battery components, applies controlled energy to fuse materials at specific joints, and may include vision systems for alignment verification and quality inspection of the weld seam. The station is designed to handle materials such as copper, aluminum, and nickel-plated steel, which are common in battery cell construction. Key parameters include welding current (1–3 kA), welding voltage (5–15 V), welding time (10–100 ms), electrode force (1–5 kN), positioning accuracy (±0.05 mm), cycle time (2–5 s), operating temperature (10–40 °C), humidity range (20–80% RH), power supply (380 V AC ±10%, three-phase, 50/60 Hz), air supply pressure (0.5–0.8 MPa), machine weight (500–800 kg), and footprint (1200×800×1800 mm). These values are reference ranges and must be confirmed for the specific model and application. The station operates within a controlled environment to ensure consistent weld quality. It is essential to verify model-specific values and standards with the legal manufacturer or supplier before procurement or use.

Working Principle

The station uses automated welding technologies such as laser, ultrasonic, or resistance welding, controlled by precision robotics or CNC systems. It positions battery components, applies controlled energy to fuse materials at specific joints, and may include vision systems for alignment verification and quality inspection of the weld seam. The process parameters, including welding current, voltage, time, and electrode force, are adjustable per weld schedule to accommodate different material thicknesses and joint configurations. The station ensures proper contact resistance and weld placement consistency, contributing to the structural integrity and electrical conductivity of the battery cells.

Common Materials

Copper, Aluminum, Nickel-plated steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Welding Current	1–3 kA	Adjustable per weld schedule
Welding Voltage	5–15 V	Set according to material thickness
Welding Time	10–100 ms	Critical for weld nugget formation
Electrode Force	1–5 kN	Ensures proper contact resistance
Positioning Accuracy	±0.05 mm	Ensures weld placement consistency
Cycle Time	2–5 s	Per weld, affects throughput
Operating Temperature	10–40 °C	Outside range may affect weld quality
Humidity Range	20–80 % RH	Non-condensing
Power Supply	380 ±10% V AC	Three-phase, 50/60 Hz
Air Supply Pressure	0.5–0.8 MPa	For pneumatic actuators
Machine Weight	500–800 kg	Including welding head and controls
Footprint (L×W×H)	1200×800×1800 mm	Approximate dimensions

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Welding Head
Delivers focused energy (laser beam, ultrasonic vibration, or electrical current) to the workpiece to create the weld.

Material: Copper alloy, ceramic
Clamping Fixture
Securely holds battery components in precise alignment during the welding process.

Material: Stainless steel, engineered plastic
Cooling System
Manages heat dissipation from the welding head and workpiece to prevent thermal damage and ensure consistent weld quality.

Material: Aluminum, copper tubing
Weld Parameter Controller
Holds welding current, voltage, time and electrode force to the selected weld schedule.
Vision Inspection System Optional
Verifies alignment before the weld and checks the seam after, on stations fitted with it.

Manufacturers of Welding Station

Manufacturer profiles associated with Welding Station.

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Frequently Asked Questions

What welding technologies does the station use?

The station typically uses automated welding technologies such as laser welding, ultrasonic welding, or resistance welding, controlled by precision robotics or CNC systems.

What materials can the station weld?

The station is designed to handle materials such as copper, aluminum, and nickel-plated steel, which are common in battery cell construction.

What are the key parameters of the station?

Key parameters include welding current (1–3 kA), welding voltage (5–15 V), welding time (10–100 ms), electrode force (1–5 kN), positioning accuracy (±0.05 mm), cycle time (2–5 s), and operating temperature (10–40 °C). These are reference ranges and must be confirmed for the specific model.

How should I verify the station's specifications?

Always verify model-specific values and standards with the legal manufacturer or supplier before procurement or use, as the listed parameters are reference ranges.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0.5-2.0 bar (cooling system), 0.1-0.5 bar (gas shielding)
flow rate:	10-50 L/min (coolant), 5-20 L/min (argon shielding gas)
precision:	±0.05 mm (positioning accuracy)
temperature:	+10°C to +40°C
power rating:	3-15 kW (welding power supply)
slurry concentration:	N/A (dry process)

Welding Station

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards