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| Categories | Conductive Slip Ring |
|---|---|
| Brand Name: | SPR-ing |
| Model Number: | SP036020 |
| Place of Origin: | Shenzhen |
| MOQ: | 1 |
| Price: | 200-800USD |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 1000/month |
| Delivery Time: | 1 week |
| Packaging Details: | Carton |
| Rotating Speed: | 0~3000 RPM |
| Design loop: | 20 |
| Working Life: | 10 million~100 million circle |
| Dynamic Resistance Change: | ≤10mΩ |
| Working Temperature: | -40℃ to 60℃ |
| Insulation Resistance: | 200MΩ/250V/DC |
| Maximum Current: | 1A |
| Shell Material: | Alluminum alloy/304 stainless steel/316L stainless steel |
| Company Info. |
| Shenzhen SPRing Technology Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
The SP036020 20-circuit high-speed long-life slip ring is designed for demanding rotating test systems. It supports speeds up to 8000 rpm and offers a customizable service life from 10 million to 100 million revolutions. With gold-to-gold contacts and ultra-low dynamic resistance variation, it ensures reliable signal transmission for strain gauge and thermocouple applications in high-speed test platforms such as aircraft engine testing and automotive wheel hub performance evaluation.
Technical parameters
Electrical specifications | |
Design loop | 20 |
Insulation resistance | 200MΩ/250V/DC |
Rated voltage/current | 250VDC/3A |
Dielectric strength | ≥250VAC/50Hz/60s |
Dynamic resistance change value | ≤10mΩ |
Wire length | Standard 300 ± 20mm (optional) |
Mechanical specifications | |
Rated speed | 0~3000 rpm |
Working life | 10 million~100 million circle |
Operating temperature | -45℃ ~ 60℃ |
Contact material | Gold-gold |
Shell material | Alluminum alloy/304 stainless steel/316L stainless steel |
Maximum starting torque | 3.5N.cm |
IP grade | IP51 |
Outline Drawing

Technical advantages:
>ü >Slipring's core technology - friction pair technology: gold metal contact technology, ensuring an ultra long service life.
>ü >Integrated casting process: Ensure the concentricity between the ring groove and the bearing is ≤ 0.01mm.
>ü >Mirror processing technology: Ensure that the smoothness of the slip ring contact surface can reach Ra0.02, making the contact more reliable.
>ü >Precision component manufacturing process: dimensional tolerance<0.01mm, axial displacement<0.01mm, high precision, and more stable performance.
>ü >Advanced brush wire modulation technology: Nearly zero pressure brush design and debugging process, extending the life of the slip ring by 1/3.
>ü >High speed, this slip ring can reach a maximum speed of 8000 revolutions per minute (with cooling system).
>ü >Long lifespan, with a maximum lifespan of up to 100 million revolutions per minute.
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