Packaging Technology

Achema 2012 Bosch introduces compact inspection unit KKX 3900 for capsules Quality control with x-ray technology

  • Weight identification, foreign particles detection, length measurement and deformation recognition in only one process step
  • Output of up to 220,000 capsules per hour
  • Real-time identification of process relevant data
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  • April 24, 2012
  • Packaging Technology
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press release

At Achema 2012 in Frankfurt/Main, Germany, Bosch Packaging Technology introduces the new inspection unit KKX 3900 for capsules at its booth (C70, C72) in hall 3.1. Based on x-ray technology, the machine serves as a system for comprehensive and 100 percent weight and quality control. The small inspection unit is equipped with soft x-ray technology and an associated sensor for image creation. “The KKX 3900 is universally applicable and apart from filling weight control provides further advantages. For the first time, an inspection unit is capable of simultaneously checking all quality features like weight, foreign particles, deformation of capsule top and bottom, as well as length,” explained Melanie Beck, product manager at Bosch Packaging Technology.

Complete process control through digital image evaluation
The KKX 3900 is used for the inspection of filled hard capsules. It can be installed after any capsule filling machine and achieves an output of up to 220,000 capsules per hour. The 100 percent inspection of filling weight is based on x-ray technology. Apart from the 100 percent inline weight control, the digital image evaluation gathers further information. „Besides filling weight information, the system also measures the length of capsules. Additionally, foreign particles in the filling product or capsule material are detected. Therefore, capsule quality is examined comprehensively and in one single process step,” said Melanie Beck. Capsules that are not in line with desired requirements are discharged individually. The innovative real-time image evaluation resists vibration, air flow and dampness.

The system provides several financial and pharmaceutical advantages. The combination of four measurement systems in one compact unit with minimal interference leads to reduced space requirements as well as lower costs and allows for significant increase in productivity. The individual discharge of capsules that are not in line with requirements yields a higher output. Furthermore, complete process control enhances the security of subsequent processes and, as a result, saves even more on costs. So far capsules had to be checked individually or in downstream processes. Capsules that were not closed correctly could re-open when packaged into blisters and cause significant product damage. With the KKX 3900, the first capsule inspection unit is available checking different, process-relevant data in real-time.

The exact process control adopts several functions of visual systems for error identification. Further process control features are currently being developed and can be activated by software updates. The system is easy to use. The qualification of the machine is a quick and uncomplicated procedure and adjustment is automatic.

Based in Waiblingen near Stuttgart, Germany, and employing 6,200 associates, the Bosch Packaging Technology division is one of the leading suppliers of process and packaging technology. At over 30 locations in more than 15 countries worldwide, a highly-qualified workforce develops and produces complete solutions for the pharmaceuticals, food, and confectionery industries. These solutions are complemented by a comprehensive after-sales service portfolio. A global service and sales network provides customers with local points of contact.

Additional information is available online at

The Bosch Group is a leading global supplier of technology and services. It employs roughly 375,000 associates worldwide (as of December 31, 2015). The company generated sales of 70.6 billion euros in 2015. Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiaries and regional companies in some 60 countries. Including sales and service partners, Bosch’s global manufacturing and sales network covers some 150 countries. The basis for the company’s future growth is its innovative strength. Bosch employs 55,800 associates in research and development at 118 locations across the globe. The Bosch Group’s strategic objective is to deliver innovations for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.”

Further information is available online at and,

PI7718 - April 24, 2012

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