Pneumatic

Questions relating to the product range

General questions about pneumatics

What is a pneumatic cylinder?

A pneumatic cylinder is an actuator that converts compressed air into linear motion. It is used for lifting, pushing, clamping, positioning or moving workpieces and machine components.

How does a pneumatic cylinder work?

Compressed air is fed into the cylinder and moves the piston. The force generated is transmitted to the application as linear motion via the piston rod.

What are the advantages of pneumatic cylinders?

Pneumatic cylinders are notable for their simple design, high reliability, rapid movement, long service life and relatively low maintenance requirements.

What types of pneumatic cylinders are there?

The most common types include standard cylinders, compact cylinders, round cylinders, short-stroke cylinders, guide cylinders, tandem cylinders, rodless cylinders and special-purpose cylinders.

What is the difference between single-acting and double-acting pneumatic cylinders?

Single-acting cylinders operate in one direction only using compressed air and are usually returned to their home position by a spring. Double-acting cylinders are moved pneumatically in both directions.

How much force can a pneumatic cylinder generate?

The force depends on the operating pressure and the piston area. Larger piston diameters and higher operating pressures result in greater forces.

What is the standard operating pressure for pneumatic cylinders?

Most pneumatic systems operate at a working pressure of between 6 and 10 bar. Special versions may be designed for higher or lower pressures.

How do you choose the right cylinder size?

The design is based on the required force, stroke, speed, installation conditions and the available compressed air supply.

Can pneumatic cylinders be used in harsh environments?

Yes. With the right materials, coatings and seals, pneumatic cylinders are also suitable for use in dusty, damp, corrosive or temperature-sensitive environments.

What materials are used for pneumatic cylinders?

Aluminium, stainless steel and high-strength steels are frequently used. The choice of material depends on the environmental conditions and the loads involved.

Can pneumatic cylinders be fitted with sensors?

Yes. Many pneumatic cylinders can be fitted with magnetic pistons, proximity switches or position sensors to monitor end positions or intermediate positions.

What role does compressed air quality play?

High-quality compressed air significantly extends the service life of the cylinder. Clean, dry and filtered compressed air reduces wear and tear and minimises malfunctions.

Enquiries regarding special cylinders

What is a specialised pneumatic cylinder?

A custom pneumatic cylinder is a cylinder developed to specific requirements, tailored precisely to the needs of a particular application. It is used when standard cylinders do not meet the technical requirements.

When is it worth using a special cylinder?

A custom cylinder is worthwhile in cases of confined installation spaces, specific environmental conditions, high forces, special stroke lengths or when additional functions need to be integrated.

Welche Anpassungen sind bei Sonderzylindern möglich?

Virtually all components can be customised, for example stroke, piston diameter, connections, fixings, piston rods, seals, materials or coatings.

What quantities are possible for custom cylinders?

Special-purpose cylinders can be manufactured cost-effectively, whether as single units, in small batches or even in large production runs.

Can special cylinders be used in extreme temperatures?

Yes. With special seals and materials, versions are available for low temperatures down to below -60 °C or high-temperature applications above +350 °C.

Are there special cylinders for corrosive environments?

Yes. Stainless steel housings, hard-anodised surfaces or special coatings enable use in damp, salty or chemically corrosive environments.

Can position-measuring systems be integrated?

Yes. Special-purpose pneumatic cylinders can be fitted with linear displacement measurement systems or position sensors to enable precise position monitoring.

What types of fastening are available?

Virtually all mounting options, such as flange, base, fork, swivel or custom mountings, can be tailored to individual requirements.

Can several functions be combined in a single cylinder?

Yes. For example, cushioning, locking, rotary motion, position sensing or force amplification can be combined in a specialised cylinder.

Can special cylinders withstand high lateral forces?

Yes. Thanks to integrated guides or reinforced designs, special cylinders can also be engineered for applications involving high lateral and bending forces.

What pressure ranges are possible with special cylinders?

In addition to standard operating pressures, special cylinders can be designed for particularly low or high operating pressures, as well as for specific media.

Can specialised cylinders simplify existing assemblies?

Yes. By integrating several functions into a single cylinder, it is possible to reduce the number of components, shorten assembly times and improve operational reliability.

What are the advantages of custom pneumatic cylinders?

Custom pneumatic cylinders allow for optimal adaptation to the specific application. They improve machine performance, reduce the installation space, increase reliability and often offer a more cost-effective solution than standard components that have been extensively modified.

Questions about telescopic cylinders

What is a pneumatic telescopic cylinder?

A telescopic cylinder consists of 2, 3 or 4 nested cylinder stages and allows for long strokes despite a very short overall length.

When are telescopic cylinders used?

They are used wherever long strokes are required but the available installation space is severely limited, for example in machinery, vehicles or automation systems.

What are the advantages of telescopic cylinders?

They save installation space, allow for long travel distances and can be customised to suit the specific application.

Can telescopic cylinders be made to order?

Yes. The stroke, number of stages, connections, fixings and materials can all be customised.

How is a telescopic cylinder designed?

The piston diameter of the smallest cylinder stage determines the usable cylinder force.

Questions about tandem cylinders

What is a tandem cylinder?

A tandem cylinder combines two or more pistons in a single housing to generate a significantly greater force whilst maintaining the same piston diameter.

When is a tandem cylinder a good idea?

When higher forces are required, but the cylinder diameter cannot be increased due to the available installation space.

What are the advantages of tandem cylinders?

They generate greater feed force without increasing the installation diameter, and are ideal for compact machines.

In which applications are tandem cylinders used?

They are frequently used in presses, clamping systems, forming machines and assembly lines.

Questions about low-friction cylinders

What is a low-friction cylinder?

Smooth-running cylinders are specially designed pneumatic cylinders with a particularly low starting force and minimal friction.

What are the advantages of low-friction cylinders?

They enable extremely precise movements, high repeatability and a sensitive response.

What applications are low-friction cylinders suitable for?

They are used, for example, in measuring systems, testing equipment, medical technology and for precision positioning tasks.

How is low friction achieved?

Thanks to optimised sealing systems, precision-machined guides and high-quality surfaces.

Questions about high- and low-temperature cylinders

When are high-temperature cylinders used?

High-temperature cylinders are used in applications where ambient temperatures are consistently high, such as in drying plants, foundries or paint shops.

What temperatures can cryogenic cylinders reach?

Depending on the model, operating temperatures of down to around -50 °C or lower are possible.

What distinguishes high- and low-temperature cylinders from standard cylinders?

They feature special seals, lubricants and materials that function reliably even under extreme temperature conditions.

Can high- and low-temperature cylinders be customised?

Yes. The temperature range, sealing materials, coatings and corrosion protection are adapted to the specific application.

Questions about lifting columns

What is a pneumatic lifting column?

A pneumatic lifting column is a compact linear actuator capable of moving heavy loads vertically with precision and without tipping.

What advantages do lifting columns offer over conventional cylinders?

They offer high guide rigidity, can absorb lateral forces and often do not require any additional external guidance.

Where are pneumatic lifting columns used?

Typical applications include ergonomic workstations, assembly lines, handling systems and lifting stations.

Can lifting columns be custom-made?

Yes. Stroke, load capacity, installation dimensions, connections and fixings can be customised to suit the specific application.

Questions about pneumatic cylinders as positioning systems

Can pneumatic cylinders be used for positioning tasks?

Yes. With integrated position-measuring systems and a suitable control system, pneumatic cylinders can also be used for precise positioning tasks.

How is the position of a pneumatic cylinder measured?

The position can be measured continuously using integrated linear position measurement systems, magnetic tape sensors or external position sensors.

What are the advantages of pneumatic positioning systems?

Sie kombinieren hohe Dynamik, einfache Integration, robuste Technik und eine energieeffiziente pneumatische Antriebslösung mit präziser Positionierung.

Für welche Anwendungen eignen sich pneumatische Positioniersysteme?

They are used, amongst other things, for guide vane adjustment, format adjustment, metering, workpiece positioning, valve actuation, and in testing and automation systems.

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