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Home Products Silent Drag Chain (low noise) 18mm Inner Height Series

18mm Inner Height Series

18 Series Silent Drag Chain: Low-Noise & High-Speed Cable Carriers

The 18 series silent drag chain is designed specifically for automated equipment demanding high-frequency dynamic motion, smooth articulation, and minimal operating noise. Built with an internal height of 18mm and a micro 17mm pitch, this low-noise cable carrier significantly reduces vibration during rapid movements, making it an ideal protective solution for sensitive power cables and signal lines in compact installation spaces.

Key Engineering Features & Structural Advantages

Engineered from high-rigidity modified polyamide (PA66 reinforced), the YDLHS18 series offers exceptional tensile strength, wear resistance, and long service life. Its primary architectural features include:

  • Bridge-Type Open Design: The open bridge structure allows maximum airflow, superior heat dissipation, and quick visual inspection or replacement of cables without disassembling the entire carrier.
  • Micro 17mm Pitch Configuration: Small pitch engineering drastically minimizes the "polygonal effect" during rotation, ensuring ultra-smooth transitions, low acoustic emission (below 30–40 dB), and reduced wear on guiding systems.
  • Integrated Buffering & Silent Stops: Multi-point limiting mechanisms and built-in dampening structures absorb kinetic impact, preventing noisy link-to-link collisions during acceleration.
  • Modular Internal Separation: Can be fitted with vertical and horizontal dividers to cleanly isolate power, control, and pneumatic lines, preventing twisting and frictional damage.

Technical Specifications: YDLHS18 Series Matrix

Review the comprehensive dimensional parameters and structural options for our 18 series silent cable carrier models in the technical specification table below:

Item No 

  Internal

Dimensions

     (H x W) 

  mm 

    External Dimensions

      (H x W) 

        mm 

Bending   Radii

   (R)             mm 

 Pitch      

 

  mm 

Chain Links per Meter       pcs 

Opening Principle 

Max Cable Diameter         

     mm

YDLHS1815

18X15

25x26

        

 R28   

 

 R38   

 

R48 

 

17

59

bridge

   type 

16.00

YDLHS1818

18X18

25x29

YDLHS1820

18X20

25x31

YDLHS1825

18X25

25x36

YDLHS1830

18X30

25x41

YDLHS1837

18X37

25x48

YDLHS1850

18X50

25x61

Target Applications & Industry Use Cases

Thanks to its cleanroom-compatible low dust generation and stable high-speed running capability, the 18 series silent drag chain is widely applied in precision automated systems, such as:

1. Semiconductor & Electronics Assembly

Ideal for high-speed SMT placement machinery, automatic optical inspection (AOI) equipment, and IC packaging handlers that require continuous, vibration-free cable guidance.

2. Medical & Laboratory Automation

Perfect for silent clinical analyzers, automated pipetting workstations, and medical imaging devices where whisper-quiet operation is critical.

3. Precision CNC & Desktop Automation

Provides robust dynamic cable protection for high-acceleration gantry systems, small engraving routers, and 3D printing equipment.

OEM Customization & Selection Guide

We provide comprehensive OEM and ODM customization services for the YDLHS18 series, including custom color combinations, flame-retardant material formulations, laser-engraved company logos, and specialized interior separator arrangements. If your automation layout demands even smaller profiles or non-silent standard mini tracks, explore our full selection of small drag chains to discover the exact cable carrier required for your technical specifications.

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