Final Assembly

 

Automatic or semiautomatic lines come equipped with advanced AI vision systems for component positioning and tolerance measurement. Wherever those are impractical, digital contact sensors can perform high-accuracy measurements of thickness, flatness, and parallelism. Servo-controlled presses handle delicate press operations, guided by force sensors for even distribution.

These lines are modular by design, allowing for easy adaptability and future upgrades. They also feature energy consumption measurements for both air and electricity, providing valuable data for optimizing operational efficiency. Integrated with MES systems, the lines offer streamlined operation and quality control.

 

Final Assembly
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1 2 3 6 4 5 7
1Display & Backlight Loading
1.1Robot Pick & Place
1.2Placement Verification
2Surface Activation
2.1Plasma Treatment
3Display Assembly
3.1Gap Filler Dispensing
3.2Robot Pick & Place
4PCBA Assembly
4.1Tray Feeding Mechanism
4.2Robot Pick & Place
4.3Robotic Screwdriving
5Camera Assembly
5.1Tray Feeding Mechanism
5.2Robot Pick & Place
6Back Cover Assembly
6.1Tray Feeding Mechanism
6.2Robot Pick & Place
6.3Robotic Screwdriving
7End of Line Test
7.1Product Contacting
Add-on

Functionality test

To ensure that only good parts are passed forward, various functionality tests are performed at the end of line. All test results and measurements are reported to the information system for 100% traceability.

Add-on

End of line calibration

At end of line the products are calibrated to ensure the highest quality. The biggest challenge for the display calibration is white point calibration.

Add-on

Manual test

If required, a manual test station can be positioned at the end of line. The product is contacted and powered up with specially designed images for the operator to determine any potential errors following a strict set of criteria.

Add-on

Protection foil placement

After detailed product testing, protection foil for display and other critical cosmetic components is placed on the product to avoid any potential damage during the transportation and final product installation.

Add-on
Functionality test

To ensure that only good parts are passed forward, various functionality tests are performed at the end of line.

All test results and measurements are reported to the information system for 100% traceability. Even though there are multiple tests, failing just one will cause a part to be automatically rejected.

The cause for rejection can be checked in the system and the product can be sent for an appropriate rework if it can be repaired. End-of-line testing usually consists of:

  • Homogenity test,
  • Touch test,
  • Surface inspection,
  • Sub-pixel test.
Final Assembly
Add-on
End of line calibration

At end of line the products are calibrated to ensure the highest quality. The biggest challenge for the display calibration is white point calibration. This process requires specialized hardware and software, such as a colorimeter or spectrophotometer, to measure the display’s current white point and compare it to the desired target. Through adjustments to the display’s red, green, and blue color channels, the calibration software fine-tunes the color balance until the measured white point matches the target. To ensure highest quality product image centering is performed at the end. This process ofsets the center of the image on the LCD to match the center (the correct image position) in the final product.

Image1 R
Add-on
Manual test

If required, a manual test station can be positioned at the end of line. The product is contacted and powered up with specially designed images for the operator to determine any potential errors following a strict set of criteria. The station is designed in such a way that it alows product height and tilt adjustment for various operator heights. This adjustment ensures ergonomy for the operator and better visibility angles for error detection.

Electrical Tests Image3 Blueish
Add-on
Protection foil placement

After detailed product testing, protection foil for display and other critical cosmetic components is placed on the product to avoid any potential damage during the transportation and final product installation. The station conists of a protection foil feeder – usually supplied on a roll – and a robot. The robot uses force sensors and soft foam grippers to carefully apply the foil onto the required product area.

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