No issues even if individual workpieces have different distortions or warpage, or if the workpieces are misaligned within the pallet
Case study3D alignment and contour coating
Challenges
- We are using a desktop robot, but we have the following issues.
- We are applying sealant to the outer perimeter of resin workpieces, but individual workpieces have distortions or warpage, so the same application path results in defects.
- There is play in the workpiece pallet, and workpieces are sometimes fixed at an angle, causing the application position to shift.
- The nozzle position may shift when replacing the syringe, requiring readjustment and verification of the application program each time.
- If liquid adheres to the tip of the nozzle, the application shape becomes distorted, leading to defects.
Solutions
- By introducing an application robot with image recognition (desktop/Cartesian type),
- we implemented "3D alignment/tracing functions" and "automatic nozzle position correction functions."
- We also installed a nozzle cleaning unit.
Results
- We can now automatically sense workpiece distortion and warpage, allowing for application "tailored to the actual workpiece," which has improved the yield rate.
- The nozzle position is automatically corrected when replacing the syringe. This eliminates the need for tedious readjustments.
- The nozzle tip is cleaned automatically. It is now possible to maintain the best condition at all times, improving the yield rate.
PROPOSED PRODUCTS
Proposed Products
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