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Aluminum Spot Welding Automation for Automotive Parts using KUKA KR120

Application Field
Industry > Automotive, Application > Welding, Sector > Manufacturing

Process layout

Process Overview

This welding automation solution uses the KUKA KR120 to perform aluminum spot welding for automotive parts, enabling faster welding operations and multi-angle access through a welding robot system.

By applying a high-precision, high-speed industrial robot, the solution supports accurate and stable welding even on complex-shaped parts, securing high productivity and consistent welding quality.

Components

Robot
  • KUKA Ready2_spot

  • KR120 R2700

  • 6-axis articulated robot

  • Payload: 120 kg

  • Repeatability: ±0.05 mm

  • Working range: 2,701 mm

  • Total weight: 1,069 kg

  • KUKA.ServoGun Software

  • Spot package

  • Welding controller: KR C4

  • KUKA automatic teaching playback function with sensor-based compensation

  • Process switch cabinet

  • Robot controller

Peripherals
  • Robot mounting base

  • Workpiece fixing and rotating jig (separate configuration)

Workflow

STEP 1.Workpiece loading
STEP 2.Rotate the workpiece fixing jig
STEP 3.Spot welding operation aligned to welding positions
STEP 4.Rotate the workpiece fixing jig to the discharge position

Features

Excellent Welding Quality and High Process Flexibility

  • Ensures fast welding operation and stable quality by applying a high-precision, high-speed industrial robot

  • Enables multi-angle welding access on complex curved workpieces using a 6-axis articulated robot

  • Supports stable aluminum welding performance


Stable Installation and Operation with a Dedicated Spot Welding Package

  • Ensures stable installation and operation by applying a dedicated welding package

  • Reduces installation time and commissioning lead time through a dedicated spot package configuration

  • Protects against electrostatic discharge and electrical noise through ESD prevention functions

  • Ensures stable welding performance

Results

Key Benefits
Increased productivity Secured consistent welding quality
Client Feedback
Installation and trial operation were completed quickly, and we were satisfied to achieve stable aluminum welding quality.
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ⓒ2020-2026 Bigwave Robotics Inc. All Rights Reserved.

Bigwave Robotics Inc.

Bigwave Robotics serves only as an e-commerce intermediary for certain products listed by third-party vendors on Marosol and is not the seller of record for those transactions. Bigwave Robotics shall not be held liable for any product information, transactions, or related issues concerning items registered by third-party sellers.

ⓒ2020-2026 Bigwave Robotics Inc. All Rights Reserved.