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Langzauner launches hydraulic drives for composite presses

12 Sep '13
2 min read

Hydraulic drives with variable rotation speeds have found their way to serial production. Because of its amazing accuracy and versatility, this system is predestinated to be used in laboratory presses. It has the strengths of a proportional hydraulic system without its weaknesses like the enormous maintenance intensity.

The hydraulic system with variable rotation speeds has a very high accuracy and prevents overshooting by reducing the oil flow when the nominal pressure is reached. Standard valves are too slow to reach that accuracy.

These presses are built to handle every production process to pave the way for efficient serial production. Many research and development companies, as well as serial producers are committed to this drive system.

One of the system’s major arguments is its amazing efficiency, which makes it very interesting for tier 1 vendors in the automotive and aeronautic industry.

Avoiding the usage of proportional valves enables the usage of hydraulic oil with less quality. Furthermore, the oil is only in motion when the machine is in action.

This increases the lifetime of the oil and an oil cooler gets unnecessary.

The first presses for serial production, equipped with this system, are already in use.

The potential in savings is enormous. With a 650T-press, driven in three shifts, a potential saving of more than 50.000€ can be realized.

Considering this, this drive concept is extremely interesting for companies in the automotive sector.

The mass production demands machines with low energy consumption.

The advantages:

- low noise (below 65db)
- high accuracy
- very energy efficient
- only standard valves in use
- no high performance oils are needed
- longer maintenance rates
- no adjustment of proportional valves
- no oil cooling required
- potential in savings of maintenance, oil and energy
- no pressure overshoot

Composite Europe

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