⊙ PORTFOLIO — SIMULATION

Winding Line Unwinder / Dancer / Traverse / Winder

Complete winding line simulation from unwinder to winder. Material unwinds from supply spool, tension is balanced via dancer arm, and traverse guide distributes layers onto the winding spool. Winder RPM automatically decreases as diameter grows while tension remains constant.

Unwinder Winder Dancer Arm Traverse Tension CODESYS Lenze i950 PID
WINDER LINE v2.0 | Winding Line Simulation
● RUNNING
▸ ROLL
WIND36mm
UNWIND110mm
LAYERS0
▸ SPEED
LINE100m/min
RPM0rpm
▸ DANCER
POS0°
STOK
▸ TENSION
ACT50kg
TGT50kg
▸ AXES
WINDER OK
UNWINDER OK
TRAVERSE OK
MODE
TENSION 50 kg
SPEED 1.0 ×

What Does It Do?

  • Provides continuous material flow from unwinder to winder
  • Balances tension via dancer arm to maintain constant kg
  • Winder RPM automatically decreases as diameter grows
  • Traverse guide ensures even layer-by-layer winding

How Does It Work?

  • Unwinder and winder diameters calculated via encoder in real-time
  • RPM = line speed / (π × dia) — RPM drops as diameter grows
  • Dancer arm deviation feeds PID, tension adjustable via slider
  • CODESYS v3.5 + Lenze i950 — 3 axes (winder, unwinder, traverse)

Industrial Use Cases

  • ⚙ Paper & cardboard roll machines
  • ⚙ Plastic film & foil winding
  • ⚙ Wire & cable winding systems
  • ⚙ Textile yarn & fabric rolls
  • ⚙ Aluminum & steel strip winding

// Traditional vs. Smart Winding Control

Criterion ❌ Traditional ✅ Smart Winding
Tension accuracy ±10% ±1%
Speed adaptation Manual Diameter-based auto
Unwinder / Winder sync Independent control Line speed synchronized
Traverse control Fixed step Sinusoidal, layer-based
Break protection None Instant response
Dancer response time >500 ms <50 ms

// Typical Application Parameters

Parameter Value Unit / Note
Max winder diameter 800 mm
Min diameter (core) 76 mm
Max unwinder diameter 1000 mm
Target tension 1–50 kg
Line speed up to 600 m/min
Dancer arm angle 55–105 °
Traverse stroke ±200 mm
Servo drive Lenze i950 3-axis
Software CODESYS v3.5 PID+Calc
PLC Task Cycle 1 ms

// Cycle Phases

UNWIND

Material unwinds from supply spool, diameter shrinks

DANCER

Dancer arm balances tension, kg kept constant

TRAVERSE

Traverse guide distributes material layers

WIND

Winder diameter grows, RPM auto-decreases

NEW ROLL

Roll full: continue with new core

// let's talk about this project

Got a winding line project?

Write me for consulting and development on unwinder/winder synchronization, dancer arm tension control, traverse guide systems and diameter-based speed adaptation.