How the precision of precision hollow piston rod affects the whole system

The precision of precision hollow piston rod has a far-reaching impact on the whole system in many aspects.
In terms of motion accuracy, a high-precision piston rod can ensure that it runs strictly according to the predetermined trajectory and stroke when reciprocating in the hydraulic cylinder. If the straightness accuracy of the piston rod does not meet the standard, the phenomenon of yaw may occur during the movement, which will cause the motion trajectory of the working parts connected to it to deviate, affecting the positioning accuracy of the whole mechanical system. For example, in the assembly link of the automated production line, the precision deviation of the precision hollow piston rod may make the assembly position of the parts inaccurate, resulting in defective products, reducing production efficiency and product quality.
For sealing performance, the outer diameter accuracy of the piston rod is extremely critical. If the outer diameter dimension accuracy error is too large, it will either cause the seal to be too tight, increase friction resistance, hinder the movement of the piston rod, reduce the response speed of the system, and aggravate the wear of the seal, shorten its service life, and increase the risk of seal failure; or it will make the seal too loose, unable to effectively prevent the leakage of hydraulic oil, resulting in unstable system pressure and affecting the normal operation of the system. In high-pressure hydraulic systems, this kind of seal failure caused by piston rod accuracy problems may cause serious safety accidents.
In terms of the force balance of the system, good precision can ensure that the piston rod transmits force evenly when it is subjected to axial force. If the cylindrical accuracy is deviated, the stress distribution at each point on the piston rod surface will be uneven when subjected to force, which is prone to local stress concentration. Under long-term action, the piston rod may be fatigued or even broken, which will not only paralyze the entire system, but also cause harm to surrounding equipment and personnel.
In addition, the accuracy of the precision hollow piston rod is also related to the vibration and noise level of the system. The high-precision piston rod moves smoothly and can effectively reduce the vibration and noise of the system. On the contrary, insufficient accuracy will cause additional impact and vibration when the piston rod moves. These vibrations will be transmitted to the entire system, which will not only affect the stability and reliability of the equipment, but also generate greater noise pollution, which will have an adverse effect on the working environment and operators.
In summary, the accuracy of the precision hollow piston rod is an important guarantee for the efficient, stable and safe operation of the entire system. Any defects in accuracy may trigger a series of chain reactions and have a serious negative impact on the performance of the system.
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