The high temperature military standard through hole slip ring is specifically developed for extreme military environments. It features multi-layer sealing and high-temperature-resistant composite materials, enabling stable power and signal transmission under extreme temperatures up to 260°C. Additionally, it incorporates military-grade shock resistance, a modular design, and large-aperture wiring channels. This allows for seamless integration into radar systems, rotating turrets, defense equipment, and other applications.

Features

Conductive Stability

The high temperature military standard through hole slip ring uses copper alloy conductive material with extremely low resistivity of about 1.7×10⁻⁸Ω·m. It can control the current loss at a low level.

Anti-Signal Interference

For signal transmission, the slip ring resists external electromagnetic interference through metal braided mesh and electromagnetic shielding coating. In the signal transmission with a frequency range of 1MHz to 1GHz, its signal attenuation rate is only about -3dB/m.

Strong Structure

The rotating part of it is supported by ball bearings or sliding bearings. The radial runout accuracy of these bearings can be controlled within 0.01mm, and no obvious vibration and shaking will occur when rotating at high speed (such as 1000 revolutions per minute).

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, 18, 24,36, 48
Current	5A, 10A , 15A,20A or combined rings to get higher current
Voltage	≤380V, 600V optional
Dielectric strength	≥1000V@50Hz between each circuit
Insulation resistance	1000MΩ@ 500VDC
Electric noise	≤7Mω
Lead wire size	22AWG, 17AWG, 14AWG, UL, color Teflon, silver or tin plated
Lead wire length	200mm

Critical Dimension:

Model	Length "L"
Model	Current	Formula (A means No. of ring)	6 circuits	12 circuits	18circuits
BTH96185	<=20A	40+5×A	70mm	100mm	130mm

Application Scenario

The high temperature military standard through hole slip ring is used in many fields, including the following:

Industrial electrical equipment: alternators, wind turbines, fiber optic systems
Precision electronic equipment: robots, medical devices, radar antennas
Amusement rides: carousels, Ferris wheels, roller coasters
Military and defense applications: radar systems, weapon turrets, satellites

FAQ

Q: How does a through hole sliip ring work in Industrial electrical equipment?

A: In industrial electrical equipment, a through-hole slip ring works by allowing the transmission of power, signals, and data across rotating interfaces. The central hole accommodates rotating shafts or other components, while multiple conductive rings and brushes within the slip ring maintain continuous electrical connections.

Q: If through hole slip rings are maintenance free?

A: Through-hole slip rings are often designed to be maintenance-free, using high-quality, wear-resistant materials and advanced contact technologies . Sealed units protect against dust, moisture, and contaminants, further reducing maintenance needs. However, the actual maintenance requirements can vary based on the application environment and operational conditions. In harsh environments or high-load applications, periodic inspections were needed to ensure its performance.

Q: For a through hole slip ring, if the larger, the cost is higher?

A: Generally, the larger the through-hole slip ring, the more expensive it tends to be, larger through-hole slip rings generally cost more if the channels and loading the same, in fact, the specific price will depend on the detailed requirements and specifications of the application.

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