LAON PEOPLE

Applied Solutions

NAVI AI

When the vehicle leaves the factory, the visual inspection is performed with the naked eye, which causes detection errors, and the precise inspection requires a lot of time and computer resources.

LAON PEOPLE uses its own AI inspection software, NAVI AI and 3D scanner technology, to accurately detect atypical defects in exterior of automobile. 

To improve the errors by naked eye & robot inspection from the manufacturing line, we suggested the vehicle exterior inspection by tunnel style.

This inspection system would be detected many errors such as masses of paint, scratches, different colors so on with by optimized AI deep learning cameras, lighting pattern, and light source (color, color temperature, the intensity of illumination, and contrast range, etc.).

Overview of Inspection

• Inspection Field: Automobile
• Inspection Parts: Exterior
• Inspection Type: Gap and flush, different colors, masses of pain and scratches
• Inspection Solution: NAVI AI

Features and Benefits of LAON PEOPLE

• ​Structured light 3D scanner technology
• Detect the location of atypical defects accurately

Applied Solution

LPMVC-EE120(GigE/1.2M) + NAVI SW

The sawtooth of the bearings prevent slipperiness and increase friction to allow more accurate power transfer to the rotator. Usually there are more than a dozen teeth, and a single tooth can be defective if a problem occurs.

The client had several teeth models of the same diameter and wanted to change from a previous visual inspection to a vision-based automated inspection. LAON PEOPLE's vision solution allows easy identification of models and different types of teeth by testing the number of teeth in different models.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Sawtooth Inspection
• Inspection Type: Inspection for Number of Needle Bearing Object
• Constitution of an Inspection Solution
  - Inspection Camera: LAON PEOPLE LPMVC-EE120(GigE/1.2M)
  - Inspection S/W: LAON PEOPLE NAVI
  - Lens: 8mm (120° Wide Angle)
  - Lighting: Face Lighting
  
  

 

 

Contents of Inspection

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- Setting the product surface look white silhouette with lighting​​
- Detecting and tracking the teeth position by the difference of brightness between teeth surface and body curve
- Detecting the boundary point with difference of brightness between teeth
- Counting number of boundary points
- Determining Pass/Fail with numbers
- Inspecting with unfixed samples

Strengths of LAON PEOPLE 

• ​Our solution calculates the number of teeth that are visually indistinguishable in the form of automation.
• Our NAVI tool makes it very simple to create applications that check quantity counts.
  
• Detection time is fast.
  

Applied Solution

LPMVC-EE400(GigE/4M) + NAVI SW

The automotive doorknob is a small, multi-species part. Although this does not look very different from model to model, the design is different by model, and the left and right sides must be separated, resulting in a lot of cross-mixed production.

A vision inspection that identifies the model usually uses barcodes or RFID, but it is not desirable for automotive doorknob. It is desirable to avoid model classification and mixing by registering unique features in patterns for injection components such as automotive doorknobs.

The client wanted to prevent cross-mixing by introducing vision inspection at the shipping inspection stage. This helped to prevent mixing of models by registering unique patterns by model and performing the vision section with LAON PEOPLE's solution.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Automotive Doorknob
• Inspection Type: Inspection for Distinguishing the Model of Doorknob
• Constitution of an Inspection Solution
  - Inspection Camera: LAON PEOPLE LPMVC-EE400(GigE/4M)
  - Inspection S/W: LAON PEOPLE NAVI
  - Lens: 25mm
  - Lighting: Low Angle Lighting
  
  

 

 

Contents of Inspection

• Registering unique patterns on the back of the doorknob for each model
• Determining Pass/Fail relative to registered pattern
  

 Strengths of LAON PEOPLE​

• ​​Our solution can register different types of objects with a Pattern ID.
• Our solution allows you to easily compare and analyze patterns that can be visually confusing with vision inspection.
  

Applied Solution

LPMVC-EE120(GigE/1.2M) + NAVI SW

The automotive mode panel can print a variety of information, including vehicle speed, volume of refueling and air conditioning modes, in a variety of design formats. If an automotive mode panel is built in a single injection form, a variety of models can be produced simply by changing the print format, but a variety of print shapes can make management increasingly difficult for each model, requiring an automated vision solution.

LAON PEOPLE's Panel Printing Inspection Solution allows you to manage each print by model by registering patterns in the same printout, as well as detect typographical errors and misplaced print locations. (Detectable to X, Y, and matching rates)

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Automotive Panel
• Inspection Type: Automotive Panel Printing Inspection
• Constitution of an Inspection Solution
  - Inspection Camera: LAON PEOPLE LPMVC-EE120(GigE/1.2M)
  - Inspection S/W: LAON PEOPLE NAVI
  - Lens: 8mm (120° Wide Angle)
  - Lighting: Bar Lighting
  
  

 

Contents of Inspection

 

• ​Setting the product's inspection target (printout) look white silhouette with lighting
• Calculating the position, angle, and matching rate by comparing with registered pattern
  
• Color inspection: judging pass/fail with pixel values of each R/G/B channel on the blue/red arrow, saving the representative color and inspecting with matching rate
  

​

Strengths of LAON PEOPLE

• ​Our solution allows you to examine the various inspection areas that exist on the panel simultaneously with a single camera.
• Our solution can integrate black-and-white and color inspection into a single system (two types of cameras).
  

Applied Solution

LPMVC-EE400(GigE/4M) + NAVI SW

For automotive manual gears, it is a combination of many bearings. In order to inspect a single manual gear, the operator must inspect a large number of bearings, and the overlapping parts of the shift gear must be inspected as the operator moves the gears, which naturally requires a lot of resources.

Even with the introduction of a vision inspection system, if only one bearing is inspected, it will not be able to obtain satisfactory cost-effectiveness. Therefore, the system must be constructed so that all bearings within the manual gear can be inspected. In this case, connecting the robot with the vision inspection enables an efficient composite inspection.

Clients introduced a LAON PEOPLE solution linked to robots and applied it to the finished product testing process. Vision solution has met all the clients' conditions by performing composite vision inspection in 10 areas.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Manual Gear
• Inspection Type: Inspection for Tightening Bearing of Manual Gear
• Constitution of an Inspection Solution
  - Inspection Camera: LAON PEOPLE LPMVC-EE400(GigE/4M)
  - Inspection S/W: LAON PEOPLE NAVI
  - Lens: 25mm (120° Wide Angle)
  - Lighting: Face Lighting
  
  

 

Contents of Inspection

• ​Setting the product look black silhouette with lighting
• Setting each bearing to the inspection area
  
• Detecting the object with low intensity value in each inspection area and calculating the area
  
• Determining tightening/missing as the difference of area is occurred on the inspection area by existence of bearing
  
• Creating only one inspection area for the inspection area 6, 7 by the position of gear (determining tightening/missing by OR operation)

Strengths of LAON PEOPLE 

• ​Our product allows you to conveniently set up ROIs and check the presence and absence of various locations with simple manipulation.
• Our product can calculate pass/fail by manipulating the result of each vision inspection as AND or OR on UI.
  
• We provide the proper optical environment to the inspection environment.
  

Applied Solution

LPMVC-EE120(GigE/1.2M) + NAVI SW

In the process of manufacturing auto parts with a mass production system, visual inspection is still being conducted by people who are not automatic vision inspection. The inspection for the existence of parts is the first step in automation in the form of vision inspection with less difficulty.

A simple vision algorithm can be used to examine the presence and absence, but in the automotive sector, most of the parts are made of metal, so care is required when constructing an optical environment. Metal reflects badly when light is emitted, so the image of the reflected part is saturated as white when the image is acquired by the camera.

On the other hand, if you take advantage of these optical properties, you can configure the system with a simple vision inspection algorithm. If the vision inspection area is white, then the metallic parts exist, and if the vision inspection area is not white, then the metallic parts do not exist.

LAON PEOPLE implemented a presence inspection solution with simple ring lighting, and clients were able to add vision configurations and increase productivity at the QC level in place of the existing expensive automation equipment.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Volume Knob
• Inspection Type: Inspection for the Existence of Volume Knob
• Constitution of an Inspection Solution
  - Inspection Camera: LAON PEOPLE LPMVC-EE120(GigE/1.2M)
  - Inspection S/W: LAON PEOPLE NAVI
  - Lens: 25mm (120° Wide Angle)
  - Lighting: Ring Lighting
  
  

 

Contents of Inspection

• ​Shining brightly in the light as the spring is made of metal
• Setting spring position to inspection area
  
• Detecting the object with high intensity values
  
• Easy to detect as the spring shows a large difference in intensity value in the inspection area by its presence or absence

Strengths of LAON PEOPLE

• Our product analyzes parts status and conditions with simple operation.
• Our product provides an optical environment suitable for the inspection environment.
  

Applied Solution

LPMVC-EE500(GigE/5M) + NAVI SW

Due to the trend of miniaturization and precision of parts, very precise dimensional inspection is required on the inspection equipment. The introduction of vision inspections for dimensional inspection can significantly improve precision and speed.

The client wanted to apply a vision inspection to the balance shaft product, which was previously inspected with contactable equipment, to conduct a dimensional inspection of the machined surface. The key was to secure the error, which was allowed in contactable equipment, but the selection of the right camera and lens allowed us to detect it within the margin of error within 30 μm.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Balance Shaft
• Inspection Type: Dimension Inspection of Balance Shaft
• Constitution of an Inspection Solution
  - - Inspection Camera: LAON PEOPLE LPMVC-EE500(GigE/5M)
  - Lens: 50mm + Extension Ring
  - Lighting: Face Lighting
  
  

 

Contents of Inspection

• ​Setting the product to look black silhouette through lighting / obtaining the entire image results in distortion of the specimen, resulting in measurement error as the specimen is not flat
• Acquiring the image by moving the camera to each inspection area / detecting the suitable boundary line after detecting the boundary point using difference of brightness
  
• Measuring the distance between boundaries
  
• Inspecting after dividing by inspection area and obtaining the acceptable error for 30 μm

Strengths of LAON PEOPLE

• ​Our product measures precisely.
• We have built an accurate measurement environment with customized optical design (lens + lighting).
  

Applied Solutions

LPMVC-EE400(GigE/4M) + NAVI SW

The car's engine is not free from noise and vibration. The balance shaft unit acts as a solution to engine noise, but it can also cause the degeneration of fuel economy and reduced performance as weight increases. As a result, in recent car models the balance shaft module is fitted to the engine.

The balance shaft module is very complex in configuration. It requires a lot of testing and takes a long time for the visual inspection. The implementation of complex inspection targets is not easy to automate with vision checks.

The client requested a robot-linked vision inspection so that the equipment can be slimmed down and used immediately for future model changes without additional cost. The client wanted to automate a variety of vision inspection, including checking for coking, tightening bolts, locating sprockets and marking, tightening timing pins, reading OCR and DPM barcode, and checking for missing bushes.

LAONPEOPLE has proposed a customization solution that can make up a large number of complex inspection items into a minimized system and has addressed customer requirements with two systems.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Parts: Balance shift module
• Inspection Type: Inspection for tightening of bolt, twisted status, missing bushes, tightening of pin and DPM barcode
• Configuration of Inspection Solution
  - Inspection Camera: LAONPEOPLE LPMVC-EE400(GigE/4M)
  - Inspection S/W: LAONPEOPLE NAVII
  - Lens: 16mm (120-degree wide angle)
  - Lighting: Ring light
  
  

 

    

Contents of Inspection

1. Tightening Bolts
- Use the difference in brightness between background and bolt, and the difference in brightness between bolt and product to detect the boundary point.
- Detect the suitable border
- Measure the distance between borders.
- Determine the pass/fail of bolt fastening by measuring distance





2. Check for the Twisted Status
- Use the difference in brightness between the hole and the surface of the product to detect the boundary point
- Detect the appropriate boundary source and calculate the center coordinates of the circle
- Calculate the line connecting the center of each circle.
- Determine the pass/fail of twisted status by angle of line






3. Check for Missing Bushes
- Use the difference in brightness between the bush and the surface of the product to detect the boundary point
- Detect the appropriate boundary source and calculate the diameter of the circle
- Determine the pass/fail with the diameter of the circle





4. Status of Tightening Timing Pin
- Set inspection zone at the timing pin position
- Detect the object with high-Intensity values and calculate the inspection area
- Determine tightening/missing as differences of inspection area occur due to the presence or absence of timing pin






5. DMP Barcode (Metallic Barcode)
- Set inspection zone at barcode location
- Barcode reading

Features and Benefits of LAON PEOPLE

• ​Read optical character in difficult contrast range conditions
• Perform a variety of complex vision inspections using one system
  
• Construct an optical environment suitable for the reflective environment of metal materials
  

Applied Solutions

LPMVC-EE400(GigE/4M) + NAVI SW

The car's engine is not free from noise and vibration. The balance shaft unit acts as a solution to engine noise, but it can also cause the degeneration of fuel economy and reduced performance as weight increases. As a result, in recent car models the balance shaft module is fitted to the engine.

The balance shaft module is very complex in configuration. It requires a lot of testing and takes a long time for the visual inspection. The implementation of complex inspection targets is not easy to automate with vision checks.

The client requested a robot-linked vision inspection so that the equipment can be slimmed down and used immediately for future model changes without additional cost. The client wanted to automate a variety of vision inspection, including checking for coking, tightening bolts, locating sprockets and marking, tightening timing pins, reading OCR and DPM barcode, and checking for missing bushes.

LAONPEOPLE has proposed a customization solution that can make up a large number of complex inspection items into a minimized system and has addressed customer requirements with two systems.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Parts : Balance Shaft Module
• Inspection Type: Inspection for coking, OCR, location of sprockets and checking missing bolts
• Configuration of Inspection Solution
  - Inspection Camera: LAONPEOPLE LPMVC-EE400(GigE/4M)
  - Lens: 16mm (120-degree wide angle)
  - Lighting: Ring light
  
  

 

Contents of Inspection

1. Checking Coking
- Set the location where coking is present as inspection area
- Detect the boundary points by brightness difference between surface and coking
- Count the number of border points. Determine the pass/fail of coking with number of border points.




2. Confirmation of the Model Name
- Register model name in pattern
- Determine the pass/fail of the model name by comparing with the registered pattern




3. Check for the Location and Marking of the Sprocket
- Set an inspection area at the location of the sprocket.
- Detect the object with high-intensity value and calculate the location and area
- Available to determine the presence as the differences of area occur in the inspection area due to the presence of sprocket




4. Check for Missing Bolts
- Set an inspection area at the bolt position. Detect the object with low-intensity value and calculate the area
- Available to determine the presence as the differences of area occur in the inspection area due to the presence of bolt

Features and Benefits of LAON PEOPLE

• Perform a variety of complex vision inspections using one system
• Construct an optical environment suitable for the reflective environment of metal materials
  
• Read optical character in difficult contrast range conditions
  

Applied Solution

LPMVC-EE120(GigE/1.2M) + NAVI SW

The bearings are used to secure the position of mechanical parts that are driven by components that reduce machine friction. Various forms of bearings are also used in automobiles, and needle bearings can be used in air conditioning compressors, etc. There are dozens of needle bearings, and if the number of needle is incorrect, there is a problem securing the shaft.

Needle bearings should be produced in large quantities, but each part has dozens of needles, which can be very difficult for humans to visually inspect and may not be accurate. The client wanted to replace the existing visual counting case with vision testing and provided a very quick counting solution with a simple solution configuration.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Field: Automobile
• Inspection Type: Inspection for the number of needle bearing object
• Configuration of Inspection Solution
  - Inspection Camera: LAONPEOPLE LPMVC-EE120(GigE/1.2M)
  - Inspection S/W: LAONPEOPLE NAVI
  - Lens: 2.5mm (120-degree wide angle)
  - Lighting: Face light
  
  

 

Contents of Inspection

• ​Set the needle bearing of the product to look like a white silhouette with light
• Set inspection area with doughnut ROI
  
• Detect the object with a high-intensity value in the inspection area
  
• Count the number of objects detected. Determine the pass/fail with number of objets

Features and Benefits of LAON PEOPLE

• ​Provide a doughnut type ROI setup tool
• Available to create a quantity count inspection application with NAVI tools
  
• Rapid detection time
  

Applied Solution

LPMVC-EE500(GigE/5M) + Customized Vision SW

Due to the trend of miniaturization and precision of parts, very precise dimensional inspection is required on the inspection equipment. The introduction of vision inspections for dimensional inspection can significantly improve precision and speed.

The car's lead frames have different processing shapes and sizes at the top and bottom, requiring simultaneous inspection of the top and bottom sections, but the client's existing solutions have only one slot at a time, making them less productive.

Thus, LAON PEOPLE applied certain algorithms instead of regular dimensional inspection to ensure accuracy and repeatability, allowing for two slots at a time, but still providing reliable inspection.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Lead Frame
• Inspection Type: Dimension Inspection of Lead Frame
• Constitution of an Inspection Solution
  - Inspection Camera: LAON PEOPLE LPMVC-EE500(GigE/5M)
  - Inspection S/W: LAON PEOPLE NAVI
  - Lens: 0.5 Times of Telecentrix
  - Lighting: Ring Lighting
  
  

 

Contents of Inspection

• ​Lighting to make the product look like a white silhouette.
• Acquisition and measurement of the entire image exceeds the tolerance error/acquisition of image by dividing the inspection area with the moving camera.
  
• Detection of appropriate boundaries after detecting boundary point using the difference of brightness.
  
• Inspection after dividing by minimum inspection area and securing the allowable error for 10~20 μm.

Strengths of LAON PEOPLE

• ​Our product can measure accurately.
• We have built an accurate measurement environment with customized optical design (lens + lighting).
  

Applied Solution

3D Camera

This is an example of the application of brake pads that are essential to the vehicle. Laser can be used with Spot or Line Laser.

Because the Spot Laser Sensor uses a point-type laser source, it is possible to inspect the sample area, but it is difficult to check the face. Of course, you can use the Spot Laser Sensor to change the measurement point, such as the Line Laser, but it is not applicable due to the production time. When inspecting brake pads, the number of Spot Laser Sensors must be installed proportionally in proportion to the inspection area (horizontal axis line). In addition, defects that are caused other than the inspection line cannot be detected.




The disadvantage of this Spot Laser Sensor can be overcome by 3D Camera using Line Laser developed by LAON PEOPLE. For Line Laser 3D Camera, you can obtain the surface height information required for the examination with one scan.

Overview of Inspection

• Inspection Field: Automobile
• Inspection Part: Automotive Brake Pad
• Inspection Item: Existence of Full Surface Height/Pin, Thickness of Assembly, Measurement of Dimension
  
  Contents of Inspection 

The solution allows you to inspect the entire surface height (or flatness inspection) that is difficult to measure using the Spot Laser Sensor, including measurements of dimensions such as width, area, and hole that can be measured using 2D Camera.

Unlike 2D Camera or Spot Laser Sensors, which are cumbersome to install by measuring area or item, 3D Camera is the best choice for the brake pad inspection, allowing all inspections with scanning for once.

These inspections should also be based on accurate 3D images. As shown in [figure 3], you can obtain 3D information to perform accurate examinations based on a stable peak detection compared to the competition.

 

[figure 4] is an example of a total surface inspection in which the height of a specific area is measured below the set reference value. Simply put, for normal products, the color that corresponds to the height is continuous, but for non-normal products, it shows non-continuity in certain areas.

[figure 5] is an example of a side crack being detected in addition to a surface height inspection and is using height information, the most important function of the 3D Camera. It is difficult to detect using lighting conditions because the normal and crack parts do not differ in color when using 2D Camera.

 

 

Applied Solution

3D Camera + NAVI SW

The car's engine is not free from noise and vibration. The balance shaft unit performs a role to address engine noise, but it also reduces fuel economy and performance as it increases weight. Thus, recent car models incorporate a balance shaft module into the engine.
The balance shaft module is very complex to configure. There are many things to examine and it takes a long time to conduct a visual inspection. It is not easy to automate with vision testing to implement many complex inspection targets.
Clients have requested a robotic connection vision inspection to be available immediately for the slim equipment and future model changes without additional cost. They also wanted to automate a variety of vision inspections, including check the existence of caulking, bolt tightening, check for sprocket position and marking, tightening timing pin, reading OCR and DPM barcode, and inspection for missing bush
LAON PEOPLE has proposed a customized solution that can configure a number of composite inspection items as minimized systems and has addressed client requirements with two systems:

Solve 9 composite inspections of auto parts BSM in one solution

The tool in the vision inspection software has been used to satisfy the nine inspection requirements as shown below.

1) Check the existence of caulking (six positions)
- Determine whether the caulking is present or not using the difference of brightness between the surface and caulking

2) Checking the model – OCR reading

3) Check the location and marking of the sprocket.
- Calculate the location/area of the sprocket using the difference in the Intensity value and determine the existence

4) Check the missing bolt
- Determine whether a bolt is present or not using the difference in the Intensity value





5) Check the fastening of bolt
- Detect the boundary using the brightness of background and bolt
- Determine the pass/fail for fastening of bolt by measuring the distance between boundaries

6) Check the twisted status
- Detect the boundary circle and calculate the line connecting the center of the circle and the coordination of center of circle using the brightness difference between the hole and the product surface
- Determine the pass/fail for twisted status by line angle

7) Check for missing bush
- Detect the suitable boundary circle and calculate the diameter of the circle using the difference in brightness of the bush and the product surface
- Determine the missing of bush

8) Check the fastening of timing pin
- Calculate the position/area of detection using difference of intensity value, determine fastening/missing

9) Reading DPM barcode (metallic barcode)