Optimization of production lines through rotary-lift units from Expert-Tünkers

Handling Combined Motion for Precision in Manufacturing

2025-07-18 Source: Press release | Translated by AI 2 min Reading Time

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Rotating and lifting, lifting and rotating: Expert-Tünkers provides lift-rotate units as well as rotate-lift units—a small but important difference!

The lift-rotate unit from Expert-Tünkers is used, for example, for manipulating entire car bodies in body-in-white lines.(Image: Expert-Tünkers) — The lift-rotate unit from Expert-Tünkers is used, for example, for manipulating entire car bodies in body-in-white lines.
(Image: Expert-Tünkers)

Modern production lines are increasingly relying on automated systems that integrate both rotation and lifting. This synergy allows for more efficient material processing as well as the transport of workpieces—a crucial factor for companies striving to achieve the highest quality standards while optimizing production costs.

"When large, heavy, or unwieldy workpieces are still transported or aligned manually, it significantly slows down the production process. Automated machines can take over the lifting and positioning of workpieces, enabling highly precise processing. The combination of turning and lifting or lifting and turning offers a number of advantages, such as increased efficiency, cost reduction, time savings through optimized processes, and enhanced safety for employees," says Christian Heyer, Managing Director of Expert-Tünkers GmbH.

Lift-Rotate Units for Processing in any Position

The lift-turn unit from Expert-Tünkers is used, for example, to manipulate entire car bodies in body-in-white lines. It is primarily deployed at welding and inspection stations as well as rework areas. "The modular units consist of two roller lifters and a flexible drum drive. The lifting columns are available in a flexible servo version or with a fixed milled motion profile. The vertical drive is powered by a mechanically synchronized gear motor," reports Heyer.

After a car body is precisely clamped into the support frame, lifted off the transport skid, and moved into the upper working position, the rotational movement takes place. The flexible rotary tables allow processing in almost any desired position. "This enables workpieces of up to 3,000 kilograms to be lifted with a flexible rotation angle in 3 to 10 seconds. Thanks to its compact design, integration into almost any production line is possible," says Heyer.

Rotate-Lift Units for Heavy Loads

Rotate-lift units, on the other hand, can be used for tool changes in manufacturing. Heavy-duty rotary tables serve as base units and buffer storage for up to four tool carriers, which can then be loaded into or unloaded from the processing station through a synchronized rotate-lift motion.

"Customer loads of up to 12,000 kilograms can be moved by the units with a rotation angle of 90 degrees. With rotation times of 4.8 seconds and lifting times of 1.8 seconds, production is achieved with minimal cycle time losses," says Heyer, adding: "The seamless integration of processing and material handling can not only optimize production processes but also meet the demands for ever faster and more efficient manufacturing."

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Date: 08.12.2025

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