CNC Drag Chain – Heavy-Duty Bridge Open Cable Carrier for Industrial Automation

Product Overview & Engineering Standards

Our heavy-duty CNC drag chain series is specifically engineered to provide flexible, dynamic cable management and hose protection for advanced computer numerical control (CNC) machinery. Molded from 30% glass-fiber reinforced PA66 engineering nylon, this dynamic cable carrier delivers extreme tensile strength, high impact resistance, and continuous fatigue endurance under high-speed acceleration. Featuring a modular bridge open-type structure, it allows quick visual inspections, optimal heat dissipation, and seamless cable installation without requiring complex wire threading.

Advanced Material & Performance Advantages

Constructed from high-grade 30% glass-fiber PA66 composite, our CNC drag chain provides distinct operational benefits for demanding shop floor environments:

• Extended Service Life: Low friction and high wear resistance guarantee over 10 million dynamic cycles in linear motion systems.
• Broad Thermal Resilience: Operates flawlessly in extreme ambient temperatures ranging from -40°C up to +130°C.
• Chemical & Fluid Resistance: Impervious to mineral lubricants, synthetic coolants, hydraulic oils, and mild chemical splashes.
• Enhanced Operational Safety: Rated UL94 V-2 flame retardant with low-noise joint articulation (<60dB) for quiet factory floors.

Inner Height Series Specifications (20mm – 80mm)

Select your required inner profile from our comprehensive modular size chart below. Multiple bending radii are available to suit tight machine clearances:

Model	Inner Height (mm)	Outer Height (mm)	Pitch (mm)	Bending Radius (mm)
YDLRB25	25	40	46	R55    R75    R100    R125    R150    R175   R200
YDLRB35	35	55	68.1	R75    R100    R125    R150    R175 R200   R250   R300
YDLRB45	45	65	68.1
YDLRB55	55	75	80.5	R100    R125    R150    R200   R250   R300
YDLRB65	65	85	80.5
YDLRB80	80	106	100	R150    R200   R250    R300    R350  R400

Why Choose Bridge Open-Type Architecture?

The term bridge type denotes the structural crossbars bridging the side frames, whereas open type defines the snap-open accessibility. Key technical benefits include:

1. Rapid Heat Dissipation: Open channels promote constant convective airflow around power-heavy servo cables.

2. Effortless Maintenance: Crossbars unclip quickly along the inner or outer radius, allowing fast cable drop-in or replacement without harness disassembly.

3. Lightweight & Inertia-Reducing: Weighs nearly one-third of traditional steel cable chains, drastically reducing motor torque load.

Industrial Equipment Applications

Designed for multi-axis motion control systems, our CNC drag chain line is widely deployed in CNC machining centers, turning lathes, milling equipment, high-speed laser cutters, grinding machines, wire EDM tools, precision CNC routers, and heavy articulated robotic arms.

Related Protective Solutions

Working in heavy swarf or cutting fluid environments? Explore our fully sealed protection lineup with our CNC Drag Chain – Enclosed Type series.