In 3C electronics manufacturing, the AF (anti-fingerprint) coating process is critical to a screen’s tactile feel and stain resistance.

The efficiency and precision of the loading and unloading stage directly affect product yield and overall line capacity.

Traditional lines often rely on manual loading and unloading. This not only limits speed, but also makes it difficult to maintain highly consistent pick positions. Any slight deviation may cause scratches or contamination on the screen.

Fixed automation modules can improve efficiency, but they usually require high retrofit costs and large floor space, which is not ideal for manufacturers demanding high production flexibility.

Without requiring major line modification, ATOMROBOT provides a high-speed SCARA robot loading solution that combines speed, precision, and easy deployment.
 

Application Overview

High Speed and Precision — Picking 3 Pieces at Once

This project is designed for the AF coating process of mobile outer screens, precisely matching the feeding requirements of the spraying machine.

The system consists of:

• 2 ATOMROBOT SCARA robots
• Customized grippers
• Conveying and spacing mechanisms

After manual transfer to the loading conveyor, products enter the robot working area. A limiting and clamping mechanism automatically positions each piece to ensure accurate and repeatable pick locations.

To achieve higher takt time, a customized three-suction-cup gripper is used, allowing the robot to pick three screens simultaneously.

Through the gripper spacing mechanism, the three screens are separated and placed onto a ball transfer conveyor, preparing for the next tray loading step.

Smart Tray Loading Logic — 5 + 5 Arrangement

The ball transfer conveyor separates each glass screen precisely according to fixture spacing.

Every time 5 screens accumulate, the module activates a pick action and groups them neatly into one tray section.

When 10 screens are loaded into a tray, the tray conveyor automatically sends it into the spraying machine, and the next cycle begins.

The entire system works in coordination to achieve:

51 pieces per minute per unit, with repeat positioning accuracy of ±0.5 mm.

Even at high speed, the system ensures stable and precise pick-and-place, reducing coating unevenness and scratches caused by positional deviation.

Replacing 2 Workers per Unit — 18-Month ROI

Under rated conditions, each unit can replace 2 operators, doubling efficiency while significantly reducing repetitive manual labor and human error.

Each SCARA robot consumes only 1 kW of power, making the system energy-efficient.

The investment payback period is 18 months.

At the same time, the compact structure requires no large-scale site modification or special infrastructure. The system can be quickly deployed with lightweight installation — ready to run upon arrival.

Key Parameters at a Glance

• Efficiency per unit: 51 pieces/min
• Labor replaced per unit: 2 workers
• Repeatability: ±0.5 mm
• Efficiency improvement: 100%
• ROI period: 18 months

The ATOMROBOT high-speed SCARA solution for mobile screen loading and unloading can be widely applied in AF coating, cleaning, and inspection processes for:

• Mobile phone glass covers
• Tablet screens
• Automotive displays
• Other precision 3C components

For more details, feel free to leave a message below.

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