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Vehicle Paint Appearance Inspection System
Key features of
「RICOH Visual Inspection System 5000」 series

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Vehicle Paint Appearance Inspection System

「RICOH Visual Inspection System 5000」
series

Key features

01

High Inspection Accuracy

Adoption of an algorithm that combines rule-based defect detection and AI-based defect discrimination

We have more than 10 years of experience in the development and introduction of coating visual inspection equipment. In addition, it has been adopted in many mass-production lines for automotive parts, and has accumulated detection know-how to suppress over-detection.
By utilizing a rule-based defect detection algorithm, it is not necessary to accumulate a large amount of training data. In addition, it avoids detection errors that cannot be analyzed, and then uses AI (machine learning) to identify defective species with high accuracy.

Many years of experience in inspecting painted parts > Accumulation of inspection data in DB (database): A large amount of inspection data of painted parts and defective sample data (surface angle, strain, reflectance) are stored in the DB. > Utilization of accumulated data: Utilization of data accumulated in the DB for Ricoh's unique coating inspection know-how > Inspection accuracy: 
Recognition accuracy 0.3 mm or more
Detection accuracy: 0.5 mm or more 
Defective type discrimination (Ricoh's original SPS method) Discrimination accuracy: 83% or more 
We have many examples of process improvement

The hybrid configuration of a fixed side and a robot on the top realizes optimal placement of cameras and lighting. Stable images and highly accurate inspections are possible.

Since fixed types are used on the side with few undulations and robot types are used on the upper surface with a large difference in height, imaging and inspection can be performed while following the shape, and high-precision inspection over a wide inspection range is possible.

Inspection images


Classification of defective types and data storage (optional)

It is easy to record and analyze the occurrence and analysis of defect situations that were not easily done by humans until now.

Image of recording the occurrence of a defect
02

Adaptable to high-speed conveyors

Adaptable to production line speeds of 170 mm/sec (42 s/car, 85 units/h) as standard

※In the case of a 7m pitch (vehicle 5m + distance 2m)

03

Mass production start-up
in a short period of time

  • Unlike AI-based algorithms, which require a large amount of image data when changing or adding a vehicle model, it is possible to make adjustments with only a small amount of data, and to launch and introduce it in a short period of time.
  • Carefully selected rule-based parameters make it easy for customers to adjust the level of detection.
  • Since it is a hybrid type, it is possible to respond to the addition of vehicle models for a short period of time without robot teaching or additional hardware.
04

Partially installable

Since the side unit (fixed type) and the top unit (robot type) are separated individually, it is possible to install each individual unit.

After confirming the performance on the mass production line with only the side unit, we can proceed to full-scale introduction.

Image of partial installation
05

Non-contact marking (optional)

Defective parts are projected directly onto the vehicle, reducing the load on workers and improving inspection quality.

Advantages of on-vehicle projector marking

  • Easier search for defects on the vehicle
  • Improved inspection quality by reducing work time, load, and fatigue
  • No coating on the vehicle
Image of projector markings on a vehicle

Example of use in a process (hybrid display)

  • Adopting Ricoh's latest industrial projectors (high brightness)
  • Optimize the projection direction so that the operator's shadow is not reflected
  • Hybrid display of monitors and vehicles to grasp the overall number of defects
Image of an example of use in a process (hybrid display)
「RICOH Visual Inspection System 5000」series
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