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Since the piston area is directly determined by the inner diameter of the pneumatic cylinder barrel, it follows that a larger bore diameter results in a larger piston area; consequently, under identical air pressure conditions, the cylinder is capable of generating a greater thrust force.

If the machining precision of the pneumatic cylinder tube is insufficient, it may lead to: •Gas leakage •Unstable piston movement •Damage to the seals •A decline in cylinder efficiency Therefore, from a functional standpoint, high-precision machining is a fundamental requirement for the pneumatic cylinder tube, rather than merely an optional add-on.

For the majority of pneumatic cylinder barrels, given that their wall thickness is relatively small compared to their inner diameter, they can typically be analyzed and calculated using the principles applicable to thin-walled cylinders. The fundamental formula is: σ = (P × D) / (2 × t)

In principle, a pneumatic cylinder barrel relies on compressed air to drive piston movement; its fundamental operating mechanism does not change simply because the temperature drops. Therefore, within a certain range, a pneumatic cylinder barrel can still function normally.

This situation may create the following risks: The rapid release of compressed air can generate a strong airflow, impacting surrounding equipment or personnel. If the pneumatic cylinder barrel material breaks upon rupture, fragments may be ejected from the cylinder structure.

A sealing fit is formed between the pneumatic cylinder barrel and the seals. When scratches appear on the inner wall of the pneumatic cylinder barrel, the surface is no longer smooth, and the seals may not fit tightly when passing over the scratched area.