Question 1

How do I choose the right pneumatic cylinder for my application?

Accepted Answer

Selecting the correct pneumatic cylinder depends on several factors, including the required force, stroke length, installation space, operating pressure, load direction, speed and duty cycle. Environmental conditions such as dust, moisture, cleanroom requirements or exposure to welding spatter should also be considered. Standard cylinders are suitable for general automation, while compact cylinders are preferred where installation space is limited. Guided cylinders provide higher resistance to side loads, and rodless cylinders are ideal for long strokes without increasing the overall machine length. The engineers at BIBUS Kft. can assist with sizing and selecting the most appropriate solution for your application.

Question 2

When should I use a rodless cylinder instead of a conventional cylinder?

Accepted Answer

Rodless cylinders are the preferred solution when long linear movements are required but installation space is limited. Since the piston rod does not extend beyond the cylinder body, the overall machine footprint remains compact regardless of stroke length. CKD offers several rodless cylinder families, including high-speed, heavy-duty and magnetic rodless designs with integrated guides for excellent load capacity and positioning accuracy. These cylinders are commonly used in material handling, pick-and-place systems, packaging machinery and automated production lines where long travel distances and smooth motion are essential.

Question 3

What are the advantages of guided pneumatic cylinders?

Accepted Answer

Guided cylinders combine a pneumatic actuator with an integrated guide mechanism, allowing them to withstand side loads and bending moments that would damage a conventional cylinder. CKD guided cylinders feature optimized sliding surfaces, wear-resistant sealing materials and high-performance lubrication, enabling stable operation for more than 20 million cycles in many applications. Their integrated mounting plate simplifies machine design while ensuring precise positioning, making them ideal for pressing, lifting, positioning and assembly operations where repeatability is critical.

Question 4

When is a brake or lock mechanism required on a pneumatic cylinder?

Accepted Answer

Brake and lock mechanisms are recommended whenever a load must remain securely in position after air pressure is lost. These cylinders are widely used in vertical axes, lifting systems and applications where dropping a load could damage equipment or create a safety risk. CKD's JSC3 and JSG series use a proven locking mechanism capable of providing holding forces up to twice the cylinder thrust under typical operating conditions. They also offer excellent stopping accuracy, making them suitable for positioning tasks that require both safety and repeatability.

Question 5

Does CKD offer cylinders for demanding or special environments?

Accepted Answer

Yes. CKD manufactures dedicated cylinder series for applications where standard cylinders are not sufficient. These include cleanroom versions for semiconductor and electronics manufacturing, battery production models designed to minimize contamination, food-grade cylinders suitable for washdown environments, weather-resistant versions for outdoor installations and heavy-duty cylinders for demanding industrial use. In addition to the standard catalogue, custom cylinders with special strokes, materials, mounting configurations, sensors or integrated functions can also be manufactured to meet specific application requirements, with short lead times available for many configurations.

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