Engineering Insights & Technical Updates

SD SWIVELES Engineering 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 rotary joints
SMC rotary joints

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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high speed rotary joint
high speed rotary joint

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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High speed hydraulic rotary joint
High speed hydraulic rotary joint

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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Oil and gas slip ring
Oil and gas slip ring

Oil gas slip ring is a general term for the integrated system of gas/liquid (oil) fluid rotary joints and electric slip rings in the industrial field. Its core function is to synchronously and stably transmit high-pressure oil and gas (or compressed air, hydraulic oil and other fluids)+electricity+control signals when the equipment rotates continuously 360 °

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gas electric rotary joint
gas electric rotary joint

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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Reason for rotating joint failure
Reason for rotating joint failure

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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gas-liquid electric integrated slip ring
gas-liquid electric integrated slip ring

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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Discussion on the Differences in Quality of Central Rotary Joints
Discussion on the Differences in Quality of Central Rotary Joints

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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Replace imported SMC rotary joints
Replace imported SMC rotary joints

SMC rotary joint (core series MQR low rotary torque rotary joint) is mainly used for 360 ° rotary transmission of compressed air/vacuum in pneumatic systems, characterized by lightweight, low torque, and multi-channel independent sealing

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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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Transport packaging for rotary joints
Transport packaging for rotary joints

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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