Home / News / Media information / What is automatic cable taping machine?

Media information

What is automatic cable taping machine?

Media information 2025-10-30

An automatic cable taping machine applies adhesive-backed tapes or films precisely onto cables during production. Here's a breakdown of its function and features:


 

●Core Purpose

▸Insulation/Barrier Layer ulation/Barrier Layer — Wraps tapes (e.g., polyester, PVC, aluminum.g., polyester, PVC, aluminum foil) around conductors to provide electrical insulation, moisture resistance, or EMI shielding.
▸Conductor Binding — Secures stranded wires into a compact shape before jacketing.
▸Fire Protection — Applies flame-retardant mica tapes for fire-survival cables.


 

●Key Components

▸Unwind Stands — Holds tape reels with tension control to prevent slack or tearing.
▸Guiding System — Aligns tape and cable using laser sensors or servo-controlled rollers.
▸Application Head — Presses tape onto the cable via heated rollers (for adhesives) or cold pressure.
▸Cutting Mechanism — Trims tape at cable ends or during splicing; ultrasonic during splicing; ultrasonic cutters avoid fraying.
▸Overlap Control — Adjusts tape edge alignment for consistent coverage (e.g., 25% overlap).


 

●Taping Methods

▸Longitudinal Taping — Tape runs parallel to the cable length (common for shielding).
▸Helical Taping — Tape spirals around the cable (flexible for curved paths).
▸Double-Sided Taping — Adhesive on both sides bonds layers (e.g., copper foil + drain wire).


 

●Automation Features

▸Vision Systems —- Vision Systems — Cameras detect tape gaps/misalignment, triggering auto-correction.
▸Recipe Memory — Stores settings (tension, speed, overlap) for different cable diameters.
▸Jog Mode — Slow-motion adjustment during setup to minimize tape waste.


 

●Material Compatibility

▸Conductive Tapes — Aluminum, copper foil for EMI/RFI shielding.
▸Insulating Tapes — Polyester, polyimide for voltage isolation.
▸Adhesive Types — Acrylic (general use), thermosetting (high-temp cables), or pressure-sensitive.


 

●Critical Quality Controls

▸Wrinkle Detection — Sensors halt production if tape folds or bubbles form.
▸Tension Feedback Loops — Prevents tape stretching or breakage during speed changes.
▸Adhesive Activation Monitoring — Infrared sensors verify proper bonding temperature.


 

●Applications

▸Data Cables — Foil shielding for Cat6/7 Ethernet cables.
▸Power Cables — Mica tape for fire-resistant wiring in buildings.
▸Coaxial Cables — Aluminum tape + braid for signal integrity.
▸Automotive Harnesses — Tapes bundle wires before — Tapes bundle wires before overmolding.


 

●Operational Advantages

▸Speed — Processes cables continuously at line speeds >100 m/min.
▸Consistency — Eliminates human error in tape alignment/adhesion.
▸Waste Reduction — Precision cutting minimizes tape scraps.


 

●Common Challenges Solved

▸Edge Curling — Anti-curl rollers flatten tape during application.
▸Adhesive Residue — Non-stick rollers and cleaning cycles prevent buildup.
▸Static Discharge — Ionizing bars neutralize static on non-conductive tapes.


 

v