In modern dairy farming, efficiency is measured in seconds. When DeLaval launched the VMS™ V300 featuring InSight™ teat-detection technology, it raised the bar with a targeted attachment success rate of up to 99.8%. This level of precision relies entirely on one thing: a crystal-clear field of view.
But a critical, multi-layered problem is quietly draining profits in barns worldwide: the degradation of the anti-glare thin-film optical coating on the protective camera lens.
The factory anti-glare thin-film coating on the DeLaval V300 InSight™ protective lens frame frequently peels, clouds, and degrades through the environment it works in.
How the 3D Camera Works (In Plain English)
The V300 doesn't just "look" at the udder like a standard security camera or smartphone; it uses an industrial ifm electronic O3D-series 3D Time-of-Flight (ToF) hybrid system to actively map the environment.
- The Invisible Flash: The central 3D camera shoots out thousands of invisible light pulses every second under the cow.
- The Dual Infrared Beams: To guarantee surgical accuracy, the system utilizes two sets of high-power infrared laser beams located at the very top and bottom of the housing. These project sharp reference marks directly onto the teats.
- The 3D Map: By calculating the travel time (nanoseconds) of the central light pulses and tracking how the top and bottom infrared beams bend across the skin, the computer builds a perfect, real-time 3D depth map of the udder down to the millimetre.
The Creeping Failure Percentage
When that protective lens coating degrades, it acts like a dirty prism. The invisible light pulses and laser beams bounce and scatter wildly on the worn surface, throwing off the camera's internal stopwatch. The system can no longer calculate depth accurately, and your performance dashboard suffers:
- Healthy Target: A baseline of 1–2% incomplete milkings (roughly 3 milking sessions a day on a 60-cow Box).
- The Wear-Induced Reality: A worn coating quietly pushes this rate up to 5% or higher (7+ extra failed milkings every single day).
The False-Dirty Washing Loop
When the InSight™ tracking software encounters this optical glare and scattered light, the algorithm misinterprets the blind spots as organic mud or manure on the glass.
The robotic system defaults to its automated correction sequence: it retracts the arm, which activates the lens cleaning sequence, and retries to attach the teat cup. Because the lens glass is physically damaged, the wash cycle does nothing, locking the robot into an expensive retry loop.
The Hidden Costs & Internal Damage
Running a degraded lens penalises your operational margins across four major areas:
- Utility Waste: Those extra attachment struggles and camera hesitations force roughly 70 to 80 unnecessary wash cycles per day, flushing clean water down the pit and overworking your station's air compressor.
- Mechanical Fatigue: Instead of executing a smooth path, the arm enters a jittery "hunting" phase. These micro-adjustments accelerate material fatigue on heavy-duty joints, bearings, and pneumatic valves.
- Software & Motherboard Overload: The processing core has to run complex corrective algorithms at maximum clock speed to clean up the blurry, refracted image stream. This sustained high-CPU load causes localized thermal stress on the 3D camera itself as well as the computer motherboard, risking software lag and system freezes.
- Stolen Box Capacity: A single timeout loop takes 5 to 6 minutes of dead stall time. Over a day, this steals 40+ minutes of free robot capacity—time that should be spent cleanly milking an extra 5 or 6 high-yielding cows.
The RSE Agri Solution: Re-Engineered Sapphire Lenses
A common pitfall is attempting to buff out the lens with automotive headlight polish or glass cleaner. Manual wiping or polishing an already peeling thin-film coating just worsens the issue, warping the optical depth geometry and leaving the InSight™ system permanently unable to calibrate.
At RSE Agri, we completely strip the problematic failure point away rather than replacing it with another delicate factory cover destined to peel again:
- Precision Grinding: We remove all the lenses from the frame and utilize specialist workshop machinery to grind and polish away the factory anti-glare coating entirely.
- Scratch Elimination: The underlying panels used by ifm are made of raw sapphire—one of the hardest materials on Earth. Our commercial polishing process completely erases all micro-scratches, leaving an optically flat, raw sapphire surface.
- Zero Coating Reapplication: Our extensive field experience proves that anti-glare coatings are entirely unnecessary. The earliest robotic milking models never used them and achieved identical, if not cleaner, attachment success rates. If your arm is experiencing genuine glare issues, it is time to relocate the artificial lighting within your barn rather than relying on a fragile film.