Electric slip ring DHK176-29

RS-422100 Mbpsthrough-hole

Product Overview
DHK176 series large inner hole 176mm through hole slip ring
Customized one-piece conductive through-bore slip ring with a 176 mm inner bore and 290 mm outer diameter. Engineered for continuous 360° power and mixed-signal transmission in rotating electromechanical systems. Configurations (circuit count, current, voltage) are customizable based on standard model options.

Key Features

• Inner diameter (ID): 176 mm; Outer diameter (OD): 290 mm
• Standard number of circuits: 29 (customizable)
• Rated voltage: up to 240 VAC/VDC (example configuration uses 220 V)
• Gold-plated rings and alloy gold-plated brushes for low contact resistance
• Supports combined power and signal transmission in one unit

Typical Power & Signal Configuration (example)

• Power: 4 circuits × 5 A
• RS422 digital signals: 10 circuits × 2 A
• LVDS digital signals: 5 circuits × 2 A
• Network: 1 × 100BASE-TX Ethernet (8 channels)
• Analog video: 2 circuits × 2 A

Applications

• Automated industrial control systems
• Factory power distribution and production lines
• Rotating robots and machinery requiring 360° conductive connections
• Cable manufacturing equipment and metal surface finishing machinery
• Offshore platforms and terminal equipment for mining/oil industries

Product Naming Description

• (1) Product type: DH — electric slip ring
• (2) Installation method: K — through hole
• (3) Through-hole bore diameter (example): 176 mm
• (4) Total circuits (example): 29 circuits
• (5) Rated current: indicated if different from standard; otherwise refer to model specification
• (6) Identification suffix: -XXX used to distinguish variants (e.g. DHK176-29-002)

Technical Parameters (table summary)
Product grade table: General / Working speed / Working life
General / 0–200 rpm / 20 million revolutions
Industrial / 300–1000 rpm / 60 million revolutions

Electrical & mechanical summary:

• Number of rings: 29
• Rated current options: 2 A, 5 A, 10 A
• Rated voltage: 0–240 VAC/VDC
• Insulation resistance: ≥1000 MΩ @ 500 VDC
• Insulation strength: 1500 VAC @ 50 Hz, 60 s, 2 mA
• Dynamic contact resistance change: ≤10 mΩ
• Working speed: 0–600 rpm (general 0–200 rpm; industrial 300–1000 rpm)

Mechanical & Environmental Parameters

• Working temperature: -40 °C to +65 °C
• Working humidity: ≤70 %
• Protection rating: IP54
• Working life examples: General ~20 million revolutions; Industrial ~60 million revolutions
• Housing material: Aluminum alloy
• Electrical contact material: Precious metals (gold-plated rings/brushes)
• Lead specification: Colored Teflon, lead length 500 mm + 20 mm

Notes
Inner bore 176 mm fits devices with diameters ≤176 mm; smaller inner diameters can be achieved by adding an adapter sleeve. Circuit count, current and voltage can be customized within standard model options.

Specifications / Technical specifications

• Model/Series: DHK176-29
• Inner diameter (ID): 176 mm
• Outer diameter (OD): 290 mm
• Number of circuits: 29
• Typical rated currents: 2 A, 5 A, 10 A
• Rated voltage range: 0–240 VAC/VDC
• Insulation resistance: ≥1000 MΩ @ 500 VDC
• Insulation strength: 1500 VAC @ 50 Hz, 60 s, 2 mA
• Dynamic contact resistance change: ≤10 mΩ
• Working speed: 0–600 rpm (general/industrial ranges as above)
• Working life: general ~20 million rev.; industrial ~60 million rev.
• Operating temperature: -40 °C to +65 °C
• Humidity: ≤70 %
• Protection level: IP54
• Housing: aluminum alloy
• Contact material: gold-plated precious metal
• Lead: colored Teflon, 500 mm + 20 mm