45mm Inner Height Series

CNC Cable Drag Chain 45mm Series – Enclosed Glass-Fiber Reinforced Nylon

Total Protection for Medium-to-Heavy Machinery

In demanding industrial environments exposed to flying hot metal swarf, abrasive particles, and continuous coolant spray, maintaining the integrity of dynamic cables is essential. The 45mm series enclosed cnc cable drag chain delivers the perfect balance between high-capacity cable management and compact spatial requirements. Engineered with a completely sealed, chip-proof outer housing, this enclosed energy chain prevents destructive metal chips and liquid contaminants from entering the track interior—effectively eliminating cable jacket abrasion and reducing machine downtime.

With an internal clearance height of 45mm, this robust cnc cable drag chain accommodates internal widths from 50mm up to 150mm. It is fully capable of housing thick servo motor power cables, high-flex data lines, and medium-pressure hydraulic or pneumatic hoses up to 38mm outer diameter, delivering exceptional linear stability across extended travel paths.

45mm Enclosed Series Size Chart & Specifications

Choose from our standard 45mm series enclosed models below. All versions feature snap-open lids along the outer radius for rapid cable installation. Custom configurations are available upon request:

Item No	Internal Dimensions (H x W) mm	External Dimensions (H x W) mm	Bending Radius (R) mm	Pitch mm	Chain Links per Meter pcs	Opening Principle	Max Cable Diameter mm
YDLRE4550	45X50	65X77	R75 R100 R125 R150 R175 R200 R250 R300	68.1	15	enclosed cover type	40.5
YDLRE4560	45X60	65X87
YDLRE4575	45X75	65X102
YDLRE4590	45X90	65X117
YDLRE45100	45X100	65X127
YDLRE45125	45X125	65X152
YDLRE45150	45X150	65X177
YDLRE45175	45X175	65X202
YDLRE45200	45X200	65X227

Note: Popular bending radius choices for the 45mm series include R100, R125, and R150. For inner widths of 100mm or wider, selecting R125 or larger ensures optimal dynamic flexing control and cover longevity.

High-Performance Material: 30% Glass-Fiber Reinforced PA66

Industrial reliability begins with premium materials. Every link component of our 45mm enclosed cnc cable drag chain is precision injection-molded from **PA66 nylon heavily reinforced with 30% structural glass fiber**. This advanced composite significantly outperforms standard plastics in heavy-duty applications:

Ultimate Debris Defense: Precision-fit snap lids seal tightly to block hot metal chips, fine wood dust, abrasive stone slurry, and cutting fluids from reaching internal cables.
Exceptional Structural Rigidity: The glass-fiber matrix dramatically increases the flexural modulus, preventing the carrier from sagging or lateral swaying during high-speed, long-travel movements.
10 Million+ Flex Cycle Life: High pin joint hardness minimizes internal friction, ensuring a dynamic fatigue life exceeding 10 million flex cycles.
Extreme Temperature Stability: Maintains mechanical impact strength and form stability across a broad thermal range from -40°C up to +130°C.
Resistant to Industrial Chemicals: Highly immune to degradation from synthetic coolants, gear lubricants, hydraulic oils, and mild industrial solvents.

Snap-Open Enclosed Structure Advantages

Designed to reduce machine maintenance time, the fully enclosed architecture features accessible snap-open top covers along the outer radius:

Rapid Cable Layout: Technicians can lay pre-harnessed cables and rigid hydraulic hoses directly inside the channel, eliminating the need to thread cables through enclosed tubes.
Jacket-Friendly Interior: Injection-molded smooth internal contours prevent outer jacket abrasion on sensitive feedback lines during rapid acceleration and deceleration.
Lower Motor Inertia: Weighing significantly less than steel drag chains, this glass-fiber nylon system reduces drive motor strain, allowing for higher axis acceleration.

Ideal Applications & Environments

The 45mm enclosed cnc cable drag chain is the optimal cable protection solution for mid-to-heavy machinery operating in contaminated environments, such as:

Mid-Sized CNC Machining Centers & Mills: Defends thick servo and spindle cables against flying hot metal swarf and direct coolant splashes.
Heavy-Duty Woodworking CNCs: Prevents fine sawdust and wood particles from jamming the carrier's articulated joints.
Industrial Laser & Plasma Cutters: Shields fiber optic lines and gas hoses from cutting sparks and hot slag.
Automated Welding Stations & Robotics: Protects welding umbilicals from spatter and welding debris.

Open Bridge Type Alternative

If your machinery operates in clean, chip-free environments where maximum thermal ventilation is desired, please explore our open-style equivalent:

Explore Open Bridge Type Option: 45mm Series Bridge Type CNC Cable Drag Chain

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