Powder Coating of Thin Plate Covers using Doosan M1013

Industry > ElectronicsApplication > Coating·Dispensing·MeteringSector > Manufacturing

This powder coating automation solution utilizes the Doosan M1013 collaborative robot to automate the powder coating of thin plate covers on a conveyor line.

Due to the nature of powder coating, high levels of dust are generated, and the repetitive motions cause significant strain on the wrists, making it a task often avoided by workers.

By implementing three robots to perform tasks previously handled by six manual workers, the working environment has been improved, and consistent quality has been secured.

Components

Robot	Robot: Doosan Cobot M1013 6-axis articulated collaborative robot, 6 torque sensors, payload 10kg, repeatability ±0.05mm, reach 1,300mm, weight 33kg.

Workflow

STEP 1.	Loading: Workpieces are fed into the system.
STEP 2.	Data Transfer: Workpiece shape information is sent from the PLC to the robot.
STEP 3.	Signal Confirmation: The robot confirms the entry signal of the workpiece.
STEP 4.	Powder Coating: Powder coating is performed according to the outer shape of the workpiece.

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Features

Work Environment Improvement for High-Avoidance Tasks

Removal of Harsh Conditions: Eliminates exposure to hazardous working environments filled with fine dust.

Health Protection: Eliminates the risk of wrist-related musculoskeletal disorders caused by repetitive manual arm movements.

Efficient Response to High-Mix Production

Flexible Operation: Capable of handling over 100 different workpiece shapes by receiving real-time geometry data.

Consistent Quality: Ensures uniform coating quality by performing tasks precisely according to each workpiece's specific shape.

Non-Stop Productivity: Operates seamlessly on active conveyor lines without the need for pauses, maintaining high throughput.

Ensured Operational Safety

Advanced Sensitivity: Equipped with high-resolution (0.2Nm) torque sensors on all 6 axes, allowing the robot to detect and stop upon sensitive collisions from any direction (including collisions with workpieces).

Compact Installation

Space Optimization: Utilizes compact collaborative robots to minimize the floor space required for installation.

Results

ROI Period	8.4 months
Key Benefits	Increased job satisfaction through the reassignment of human workers to higher-value roles. Improved fatigue levels by eliminating simple, repetitive labor. Achieved consistent and standardized work quality.
Client Feedback	This was the task workers avoided most due to the extremely harsh environment, but replacing it with robots has significantly increased employee satisfaction. While we were concerned about handling a wide variety of products, the system is efficiently processing over 100 different models.