Case Studies
IWATSUKA CONFECTIONERY CO.,LTD.
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Optical sorting machine introduced to improve quality of rice crackers
- Type of industryConfectionery and food production and sales
- IssueQuality control and improvement of rice crackers
Efficient sorting of defective products and foreign materials derived from raw materials

Although quality checks are conducted every hour, changes in moisture content and other factors inevitably result in defective products with dough overlapping and sticking together, so we were considering installing a sorting machine to prevent these products from leaking out into the subsequent process.
Results of sorting tests indicate that defective products can be sorted out.

After comparing with other manufacturers, a sorting test was conducted at Satake's Sorting and Processing General Center. As a result, the company decided to introduce Beltuza Spectra because it was judged to be capable of efficiently sorting defective products.
Reduced outflow of defective products and stabilized quality

The number of defective products, such as overlapping dough, leaking to subsequent processes is steadily decreasing. Also, we have not received any inquiries about foreign material contamination so far.
24-hour telephone support for full support.

The 24-hour telephone support was very helpful in case of trouble, such as when we did not know how to operate the machine at the beginning of the installation or when the number of good items to be eliminated increased.
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We would be happy to discuss with you the sample testing process, the possibility of sorting raw materials not included in our case studies, or any other concerns which might be solved by our sorting and processing technology. Please feel free to contact us.