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Home Products Nylon Drag Chain Reinforced Nylon Enclosed Drag Chain (GFPA) 65mm Inner Height Series

65mm Inner Height Series

CNC Cable Chain 65mm Series – Enclosed Glass-Fiber Reinforced Nylon

Heavy-Duty Swarf & Coolant Shield for Industrial Machinery

Protecting heavy-duty electrical cables, signal wiring, and high-pressure fluid lines on large-scale machine tools requires an exceptionally rigid cnc cable chain. The 65mm series fully enclosed polymer cable carrier is purpose-built for heavy CNC machining centers, gantry mills, large plasma cutters, and 7th-axis robot transfer units. Featuring a completely sealed, chip-proof outer structure, this enclosed cable track forms a continuous protective shield, preventing hot metal swarf, abrasive grinding debris, and high-pressure coolant spray from reaching internal lines and causing premature cable jacket failure.

Featuring a massive internal clearance height of 65mm, this heavy-duty cnc cable chain comfortably supports internal widths ranging from 75mm up to 300mm. It easily accommodates thick main spindle power cables, multi-core feedback wires, and heavy hydraulic or pneumatic conduits up to 55mm outer diameter, maintaining superior dynamic alignment and high anti-sagging rigidity across long travel distances.


65mm Enclosed Series Size Chart & Specifications

Select from our standard 65mm series enclosed models below. All versions feature quick-release snap-open lids along the outer radius for rapid cable harnessing. Custom widths and tailored bending radii options 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

YDLRE6550

65X50

85X82

 

    

       R100 

 

 R125 

 

 R150 

 

 R200 

 

R250

 

R300

80.5

13

 enclosed cover  type 

58.5

YDLRE6560

65X60

85X92

YDLRE6575

65X75

85X107

YDLRE6590

65X90

85X122

YDLRE65100

65X100

85X132

YDLRE65125

65X125

85X157

YDLRE65150

65X150

85X182

YDLRE65175

65X175

85X207

YDLRE65200

65X200

85X232

Note: Popular bending radius choices for the 65mm series include R200, R250, and R300. For inner widths exceeding 150mm, selecting R250 or R300 guarantees optimal flex dynamic control and extends cover latch durability.


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

Long-term dynamic endurance under heavy cable loading depends directly on advanced polymer engineering. Every link component of our 65mm enclosed cnc cable chain is precision injection-molded from **PA66 nylon heavily reinforced with 30% structural glass fiber**, offering key physical advantages over standard unreinforced plastics:

  • Complete Chip & Debris Protection: Tight-sealing hinged covers form a continuous shield against flying hot metal swarf, wood shavings, fine stone dust, and high-pressure coolant jets.
  • Maximum Tensile Rigidity & Flexural Strength: The 30% glass-fiber matrix dramatically increases structural stiffness, preventing carrier deflection and lateral "snaking" over long, unsupported travel strokes.
  • 10 Million+ Dynamic Flex Fatigue Life: High joint pin surface hardness minimizes internal friction, delivering a dynamic service life exceeding 10 million flexing cycles.
  • Broad Operating Thermal Range: Maintains high impact toughness and form precision in operating temperatures from -40°C up to +130°C.
  • Chemical & Oil Immunity: Highly resistant to degradation from synthetic coolants, gear lubricants, hydraulic fluids, and industrial solvents.
  • Flame-Retardant & Smooth Motion: Rated **UL94 V-2** for flame retardancy, with natural sound-damping properties that keep operational noise strictly below **60dB**.

Enclosed Structure & Maintenance Advantages

Engineered for rapid servicing and minimal machine downtime, the 65mm enclosed carrier design integrates convenient snap-open top lids along the outer radius:

  1. Fast Cable Harnessing: Service technicians can quickly pry open the top lids with a standard flathead screwdriver to lay pre-assembled cable bundles directly into the track cavity, bypassing tedious wire pulling.
  2. Cable-Friendly Inner Contour: Injection-molded rounded inner radii prevent outer jacket abrasion on sensitive encoder cables and high-pressure hydraulic hoses.
  3. Lower Motor Drive Inertia: Weighing a fraction of traditional steel drag chains, this glass-fiber nylon system lowers drive motor strain, supporting higher axis acceleration rates.

Target Applications & Heavy Machinery

This heavy-duty 65mm enclosed cnc cable chain series is purpose-built for robust machinery operating in harsh, contaminated environments, including:

  • Heavy CNC Machining Centers & Gantry Mills: Protects large spindle motor power lines and feedback cables from hot steel and aluminum swarf.
  • Large Woodworking CNC Routers: Prevents fine sawdust and wood particles from clogging the carrier link joints.
  • Industrial Laser, Plasma & Waterjet Tables: Shields gas supply hoses and fiber optic lines against high-temperature sparks and cutting slag.
  • Stone & Marble Processing Equipment: Blocks abrasive stone slurry, grit, and water jets from invading the internal cable cavity.
  • 7th-Axis Robot Transfer Units (RTUs): Provides stable linear protection for heavy umbilical cables along long travel tracks.

Open Bridge Type Alternative

Operating in clean, chip-free environments where maximum thermal dissipation and full cable visibility are preferred?

Explore Open Bridge Type Option: 65mm Series Bridge Type CNC Cable Chain