The small through hole slip ring is suitable for any rotating equipment that needs to transmit current or signal voltage. Its inner hole size is 12.7mm (applicable shaft diameter ≤200mm) and the outer diameter is 35mm. Its miniature hollow shaft allows fast cable routing and keeps a reliable 360° continuous rotation. And the slip ring is available in 6 and 12 circuits and can stably transmit power current or signal (2A).

Drawing(mm)

Picture

Drawing

Product Parameters

Mechanical

Working speed	500rpm
Operating temperature	-40℃~ +100℃
Contact material	Precious metal
IP Grade	IP 54

Electrical

Circuit	6 & 12
Current	2A
Voltage	≤380V
Dielectric strength	≥1000V@50Hz between each circuit
Insulation resistance	1000MΩ@ 500VDC
Electric noise	≤7mΩ
Lead wire size	26AWG, UL, color Teflon, silver or tin plated
Lead wire length	200mm
Life-span	120,000,000rounds

Dimension

TYPE	Rings	Length	ID	OD
BHT1235-6	6	23.6mm	Φ12.7mm	Φ35mm
BTH1235-12	12	37.4mm	Φ12.7mm	Φ35mm

Application Scenario

You may find small through hole slip ring used in the following industries:

Wind power generation

The blades of the wind turbine are rotating, while the electrical equipment inside the tower is stationary. The slip ring is used to transmit power and signal communication between the blade pitch control system and the control cabinet inside the tower.

Monitoring system

When the pan/tilt rotates, the slip ring helps the camera's video signal and possible control signals (such as zoom, focus, etc.) to be transmitted to the fixed monitoring terminal device.

Amusement facilities

It can transmit ground power to the rotating Ferris wheel structure, provide power for the amusement facility, and help monitor its operating status in real time.

Testing and measurement

When the motor rotates at high speed, we measure the temperature, vibration and other parameters of the rotor, while providing power to its auxiliary equipment. The slip ring is used to transmit the sensor signal for the test work.

FAQ

Q: What are the early signs of the failure of small through hole slip ring?

A: This may include:

* Signal instability: The transmitted signal is intermittently interrupted, fluctuated, or distorted.

* Noise from poor contact: You may hear intermittent "sizzling" and other abnormal sounds.

* Abnormal temperature increase: The local or overall temperature is significantly higher than normal.

* Unsmooth rotation: You feel a jam or increased resistance during rotation.

Q: Can I customize special slip rings for special requirements?

A: Yes, we can provide not only the standard slip rings we listed on the website, but also customized slip rings, such as high speed (5000RPM), high frequency (200MHZ), high voltage (2000V), current (600A)

Q: How to choose the number of channels?

A: The number of slip ring channels refers to the number of independent signals or current paths that the slip ring can transmit simultaneously. Before you choose, you need to count the types and quantities of signals that need to be transmitted in the device, including power (such as three-phase AC), control signals (such as RS-485, CAN bus signals), sensor signals (such as temperature, pressure sensor signals), etc.

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