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TX90 robots – Reliable staff for tough conditions in the food industry

Stäubli Robotics

DUNCAN, SC – Hendriks Engineering & Machinery is part of the Hendriks group; they are a leading company in design and construction of special-purpose machines for industrial automation, located in Veenendaal (Netherlands). More than 20 years of experience has resulted in a broad selection of cheese-processing machines. These machines can be used for de-bagging, removal of the rind and cutting cheese into blocks or portions. In addition, they can connect all the various Hendriks machines to complete automated systems with the other steps in the production process, e.g. buffering, weighing, transporting and placing them in the packaging machines. The various process steps are thus integrated to a fully automated system, incorporating all process steps from storage to slice or packaging.
FixLine: from 20 kg cheeses to 1 kg portions
Hendriks Engineering & Machinery developed and manufactured a fix weight cutting line; called the FixLine. The FixLine is made of different processing modules, such as: de-bagging machine, bar cutting machine, portion cutting machine, checkweigher, vision recognition and robot handling system to put the portions in the thermoforming machine.
This concept makes the line completely automated and capable to have a “Hands- free cheese handling” process from a to z. The main difficulty is that cheese is a natural product and it is a relatively expense product. Through the European regulations in the food industry, everything is based on “E weight”, which means that every portion has to have the same weight. This process is very complex through the variety of size and density of the different cheese that this production line can handle.
Fixed weight against give-away
Based on the demand of the consumer; the client wants more and more products with a fixed weight. Which means that the portion must have a certain minimum weight. Every gram that is delivered too much in the package by the manufacturer they give-away cheese and lose money. Therefore it is necessary to go over to a solution like the Fix-Line that can guarantee the same weight for every single portion of cheese.
Small footprint
The challenge in this project was that the new line has to replace an existing one with an extra debagging machine integrated. This implied that the proposed surface was limited and that we have to look for robots to install in compact environments. This solution has been found together with Stäubli Robotics. Due to the design of the robots they can be integrated in almost every configuration. 
After the cutting line we use in combination with robots tracking and a vision system, to locate the cheese in different orientation on a tracking conveyor. At a speed of 80 cheeses/minute (4800kg/hour) together with an universal gripper we handle the portions (raw cheeses) of different sizes. The robots used are TX90L HE version robots. ”HE” stands for Humid Environment, that means that the robots are resistant to difficult cleaning environments. Stäubli has a leading position in this kind of solutions, thanks to the unique design of the robots. These robots match also with some requirements of Hendriks, they are precise, very fast and they are very easy to clean. Through these key factors Hendriks Engineering & Machinery has obtained an important position in the cheese-processing industry.
Be sure to visit Stäubli Robotics at Booth 5833, at PACK EXPO 2013 Las Vegas, September 23-25! Learn more about the event at www.packexpo.com.
About Stäubli:
Stäubli is a mechatronics solutions provider with three dedicated divisions: Textile Machinery, Connectors and Robotics. With a workforce of 4000, Stäubli has a presence in 25 countries and agents in 50 countries around the world.

(864) 433-1980

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