Engineering Insights & Technical Updates

SD SWIVELES 工程 NEWS

Expert insights on rotary joint manufacturing, fluid sealing technology, industrial automation trends, and engineering innovations — helping you optimize production processes and reduce downtime.

SMC 旋转接头
SMC 旋转接头

SMC rotary joints are precision mechanical components that provide a reliable passage for fluids and gases between stationary supply lines and rotating machinery. Designed for industrial automation, pneumatic systems, and process equipment, SMC rotary joints help maintain consistent media delivery while equipment rotates continuously or intermittently

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什么是高速旋转接头
什么是高速旋转接头

High speed rotary joint is an industrial sealing component that transports fluid media from fixed pipelines to rotating equipment. Its working speed is usually above 3000rpm, and some models can reach up to 50000RPM. ‌‌

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什么是高速液压旋转接头
什么是高速液压旋转接头

High speed hydraulic rotary joint is a rotary sealing device specialized for transmitting hydraulic oil, coolant and other media under high-speed and high-pressure working conditions. Its core function is to achieve continuous and leak free fluid transportation between fixed pipelines and rotating equipment

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什么是石油和天然气用滑环
什么是石油和天然气用滑环

Selecting the right oil and gas slip ring is a critical engineering decision that directly impacts the reliability of offshore drilling platforms, onshore extraction rigs, and subsea processing systems.

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燃气-电力旋转接头
燃气-电力旋转接头

Gas electric rotary joints are precision links in industrial automation, capable of stably transmitting gas, electricity, and signals during high-speed rotation, adapting to extreme environments, and widely used in robots, wind power, and semiconductor equipment. The evolution of intelligence is driving the development of Industry 4.0.

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旋转接头失效的原因
旋转接头失效的原因

Rotary Union/Swivel Joint is a 360 ° rotating fluid dynamic sealing device, whose core function is to transport media such as gas, liquid, oil, etc. from fixed pipelines to rotating or reciprocating parts without leakage, preventing pipeline entanglement and ensuring continuous operation.

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气液电一体化滑环
气液电一体化滑环

Gas liquid electric integrated slip ring is a rotating joint that integrates conductive slip ring, gas slip ring, and liquid slip ring together. It can synchronously transmit current, signal, gas, and liquid while the equipment rotates 360 °, avoiding pipeline entanglement and saving installation space

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关于中央旋转接头质量差异的讨论
关于中央旋转接头质量差异的讨论

Central rotary joint is a sealing device that connects rotating components and fixed pipelines, and transmits hydraulic oil, water, air or electrical signals during relative rotation. It is mainly used for construction machinery such as excavators and shield machines that can rotate continuously 360 degrees

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Rotating joint extension shaft and motor connection
Rotating joint extension shaft and motor connection

Extension shaft of rotary joint is a special structural form of rotary joint, which refers to a section of shaft body extending from the standard rotary joint, used to directly connect the motor spindle or transmission components, achieve sealed transmission of medium (gas/liquid/vacuum, etc.) in the rotating state, and adapt to axial force and installation space limitations

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旋转接头的运输包装
旋转接头的运输包装

As a precision fluid dynamic sealing device, rotary joints contain precision bearings, sealing rings, and high-precision machined surfaces, which are sensitive to transportation and storage environments

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Hydraulic pipe joint of excavator leaks oil
Hydraulic pipe joint of excavator leaks oil

Oil leakage often occurs at the hydraulic pipe joints of excavators, and the reasons are as follow

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Structure of heat transfer oil rotary joint
Structure of heat transfer oil rotary joint

The installation of heat transfer oil rotary joint is composed of non rotating parts and rotatable shaft or flange. Firstly, a flexible hose or straight pipe is inserted into the non rotating parts. The non rotating connection part and the upper part formed by the casting are composed of external threads and concave internal threads

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