Depending on the variant, they have a number of features (speed, high gripping forces, long gripper jaw lengths) and thus offer the right solution for every application. The grippers of the GPP5000 series, with their robust, hard-coated steel-in-steel profile linear guide, were designed for true universal use. The grippers and swivel units of the Zimmer Group installed in the machine. The Zimmer Group was able to score here with its pneumatic GPP5004N-21-A gripper. It was decided to replace the existing gripper with a new sealed gripper, which can ensure perfect functioning and adapt to the very humid climatic conditions of the washer.
After a precise diagnosis of the malfunction, for which the gripper had to be removed, the experts from SEA electronics had noticed signs of corrosion and rust on the bearings and inside the cylinder and could therefore conclude that the problem was primarily due to the gripper's tightness. During an inspection of the machine's functional sequences, it was discovered that one of the grippers used was turning with difficulty, which jammed the transfer turret at the discharge guide and subsequently caused the machine to come to a standstill. The Tunisians were particularly worried about the many successive stoppages of the washer due to alarms (malfunction of the encoder). In the last step, the gripper places the bottles on a conveyor line for the drying and product filling process. The gripper then moves back to its starting position (180° turn in the opposite direction). A washing needle penetrates into the bottles and cleans them with a jet of water. There a cleaning process is started for the gripper or for the vials which it still holds with the opening pointing downwards. The turntable then moves to the second position. The gripper then rotates through 180° to empty the vials again. Afterwards, the vials are grouped in a fours and fixed by a gripper attached to a swivel unit. By means of a filling device, the vials are filled with sterile water, then reach a rotary table for cleaning. The defective and rusty grippers could not withstand the adverse conditions in the press and had to be replaced.īut now back to the application: The original automated cleaning machine, which can clean small sterile glass bottles called vials, consisted among other things of a rotary table and eight standard pneumatic rotary grippers from a market companion. A few years later, the company founded SEA Trading and SEA International to devote more attention to foreign projects. Relatively quickly the company became successful and became a certified Siemens Solution Partner. Initially, the young company helped the local industry to increase its productivity. SEA electronics from Sousse – a port city and at the same time the third largest city in Tunisia – was founded in 1994. The fact that the Tunisian automation specialist has already been working successfully with the French company on other projects for many years was a great advantage. This is because the company's extremely broad product range includes a number of cleanroom-certified and clean-room-suitable components such as grippers and swivel units. In the search for a new gripper solution for a newly developed application that is part of an automatic packaging line of a pharmaceutical company, the Tunisian automation specialist SEA electronics therefore found what it was looking for at Zimmer Group France – a French subsidiary of the German Zimmer Group.
For example, systems for medical technology must in most cases meet demanding cleanroom classifications and the components must also be suitable for use under such adverse environmental conditions. However, the conditions for the entry of systems, components, and robots into this sector are anything but easy to meet. The introduction of modern automation technology into the sensitive production areas of pharmaceutical and medical technology was rapid.
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