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SCREEN Holdings Co., Ltd.

Inspection & Measurement

Kyoto

Furukawa-cho 322, Hazukashi, Fushimi-ku,
Kyoto 612-8486

TEL : ​+81-75-931-7818 /  FAX : +81-75-931-7826
 

Tokyo

7th Floor, Yamatane Bldg., 2-21 Etchujima 1-chome, Kotoku, Tokyo 135-0044

TEL:+81-3-4334-7977  /  FAX :+81-3-4334-7978

​More

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Targeting Zero Overlook with 360° Inspection

Even metal components requiring visual inspection of whole surfaces can be inspected in 5 seconds. Defects with a depth of 0.3 mm are accurately detected.

 

Defects detectable with a depth of
0.3 mm or more

Issues including ironing marks, scrubbing marks, dents, pits, underfills, die attributable defects and surface roughness/unevenness with a depth of 0.3 mm or more can all be detected at high speed.

Examples of targeted components

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​STEP

1

Setup, adjustment

Setting of defect inspection parameters
(performed before shipment)

Our engineers preset optimal inspection parameters using defect limit products. We also offer parameter setting training, which enables operators to make the required settings themselves whenever they inspect new components after system installation.

​STEP

2

Move-in & setup

SCREEN engineers also perform setup of new systems, providing customers with a turnkey solution.

​STEP

3

Mass production trial

As a final step, our engineers have customers evaluate a fixed volume of target components using their system. They then use this data to perform final adjustment of parameters optimized for mass production.

Inspection

All inspection processes are performed automatically inside the system.

​STEP

1

Registration of master images

Master images of approved components can be created in just a few minutes. Comparison with these masters enables even components with large tolerances to be inspected with great accuracy.

​STEP

2

Loading

We are able to design automatic loaders that can handle a wide range of components as optional units.

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​STEP

3

Surface inspection

Components loaded into the system are automatically transferred to the first inspection unit. This unit is equipped with 17 cameras that are used to capture images for inspection. The images are then compared with the masters using our proprietary image processing technologies, enabling the detection of defects.

​STEP

​4

Reversal

Once image capturing is completed for components in the inspection unit, their front and rear surfaces are reversed. They are then transferred to the second inspection unit.

​STEP

5

Rear Inspection

Images of the rear surfaces are captured in an inspection unit similar to that used in step 3. These images are also compared to the masters.

​STEP

6

Separation and unloading

After inspection is completed, accepted and rejected components are judged and sent to their respective unloaders for discharge.

Monitors displayed inspection results

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Images with detected defects are displayed in red frames

​Enlarged views of defect sites

Defect areas are marked with yellow

Inspection histories are
displayed in a list view

​STEP

1

Setup change

Switching of chucks

The chucks in the transfer system and inspection units are replaced.

 

If customers specify their component types in advance, we can design common chucks that are able to handle a variety of components .

​STEP

2

Changing of parameter presets

Parameters for target components are loaded from the system’s operation screen.

 

Subsidies, tax assistance

Individual subsidy and tax assistance schemes carry specific conditions. Please visit the websites of relevant government agencies for details.

Subsidies supporting the improvement of manufacturing, commercial and service businesses (Small and Medium Enterprise Agency)

Tax assistance supporting the growth of small and medium businesses (Small and Medium Enterprise Agency)

 

SCREEN’s comprehensive
service network

The highly experienced engineers of SCREEN Group companies provide customers with optimized support from their bases located throughout the world. Lulimo users can rely on the personnel for expert assistance whenever required.

Process leading to installation

We perform inhouse evaluations of all steps from trial assessment of whether defect detection is possible right through to final installation.
Please understand that the way these evaluations are handled may change depending on the target components. 

Detection of limit defects*

We first check whether the component shapes and target defects can actually be processed using our systems. If this is possible, we then ask customers to supply defect limit products and around 100 defect-free components. These components are then used to confirm zero overlook on our systems.

Live demonstration &
Facility tour

Customers have the opportunity to visit our facilities and observe the procedure as our demonstration systems perform inspection of their components.

Final decision on installation

* The smallest defects to be rejected.

 
 

Automated visual inspection system for casting/forging components

​Lulimo H

  • Our proprietary Multi Angle Multi Shot system enables complete inspection for microscopic defects in a cycle time of just 5 seconds with zero overlook.

  • An integrated transfer system allows continuous high-speed processing of components from loading to inspection and finally unloading.

  • Shot blasting marks are removed by our proprietary image processing, enabling the detection of hidden defects.

Detectable defect sizes

Component sizes

Inspection cycle time

System size

Power supply, utilities

Dents, scratches, underfills, surface roughness and other defects that are at least 0.3 mm deep and 0.5 mm wide

150 (W) x 200 (D) x 150 (H) mm, maximum weight of 3 kg

Approx. 5 seconds per component  May vary depending on inspection conditions

3,871 (W) x 1,120 (D) x 2,248 (H) mm, weight of approx. 2,500 kg Not including tower lamp

200 V AC, 3-phase 50 A, air supply

Solve labor shortage

Prevent overlook

Reduce excess detection

Improve quality & reliability