Non woven fabric surface stain detection system machine vision system             

[Product description]           

Nowadays, the nonwoven fabric in the production process will produce a lot of stains, nodes and other defects, which seriously affect the product quality and corporate image.           

In view of this phenomenon, our research and production of nonwoven fabric surface defect detection system is mainly based on advanced machine vision technology, combined with the characteristics of nonwoven fabric sparsity and texture, using the combination of positive illumination and negative projection imaging mode, which can online carry out highspeed and accurate surface defect detection; combined with onsite process online alarm, automatic report statistics and product classification disposal, etc It provides an effective solution for the production informatization and product quality of enterprises.           

[Test object]           

Spunlaced nonwoven fabrics, heat bonded nonwoven fabrics, pulp airjet nonwoven fabrics, wet nonwoven fabrics, spunbonded nonwoven fabrics, melt blown nonwoven fabrics, needle punched non-woven fabrics, sewing non-woven fabrics, etc.

[Detection principle]             

The whole system adopts the working principle of online image scanning of industrial CCD camera. Under the condition of highspeed production of the production line, the product surface is illuminated by the bright LED industrial linear light source with specific wavelength (for opaque thin film products, the reflection detection principle is adopted), and the product image at the light source is realtime scanned and collected by the linear array camera set on the production line.

The film image collected by the camera is processed by MVI image software algorithm. Due to the gray-scale difference between the imaging images of defects and the images of normal products, the system can accurately detect the defects of products; at the same time, according to the image characteristics of various defects collected in advance and recording the defect database, the online detection of defects, as well as the classification and subsequent disposal of defects are realized.

[Technical parameters]          

1. Test object: fabric surface defects and defect detection in spunbonded, Spunlaced, hotrolled, chemical bonded, hotair and other nonwoven fabric production process         2. Detection speed: maximum 800m / min           

3. Detection width: can adapt to any width (multi camera combination)           

4. Detection accuracy: 0.1mm0.5mm           

5. Test content: non woven fabric surface stain detection (stain, hole, melting point, bright spot, insect, etc.)           

6. Disposal methods: screen shot sound and light alarm, automatic defect classification, automatic recording position, automatic storage and retrieval of pictures           

7. Test summary: the system automatically generates the quality report and defect distribution chart of non-woven fabric coil.

[Defect detection pictures]           

Industry advanced technology, years of non-woven fabric testing experience.

[Software function]           

1. Simple operation interface, convenient for workers to operate.           

2. Support the setting function of different customers and different quality standards.    3. Defects of the same customer are classified according to the requirements.           

4. Synchronous with the field equipment production, realtime display of defect location information and image information.           

5. Batch number can be generated in real time according to customer requirements; batch number can be modified during production.           

6. At the end of the production of each batch number, the quality report of the batch number products is automatically generated, and the automatic printing function is supported.           

7. Product quality of all batch numbers can be recalled at any time to analyze product quality information.           

8. Historical records can be stored for a long time, and can be deleted regularly and quantitatively. The historical records can be automatically deleted to save computer space for the display of defect location distribution map;           

9. Gold medal technical service function, solve operation difficulties at any time.

[Star customers]         

Hengan Group, Ogilvy medical, Huzhou Ouli, Shandong changnuo, Bona UK

[Field application]           

The world's largest medical nonwoven enterprise application site           

Functions can be fully customized according to user requirements!