Bar Feeder Guide Channel: The Heart of Precision Bar Feeding Systems

What is a Guide Channel?

The Guide Channel is the core guiding component of a bar feeder, made of wear-resistant polyurethane (PU). Installed at the feeder’s outlet.
It act a role as per below

• Precisely guides bars raw into the spindle (ensures straight feeding, prevents deflection)
• Reduces vibration & noise (absorbs harmonic oscillations during high-speed feeding)
• Protects bar surfaces (prevents scratches for better machining finish)

Five Key Advantages of PU Guide Channels

1. High Wear Resistance: Exceptional durability
2. Scratch Prevention: Elastic cushioning protects bar surfaces
3. Vibration & Noise Reduction: Lowers noise by 30%+
4. Oil Resistance: Resists cutting fluid/lubricant corrosion
5. Cost-Effective: Low replacement cost

Popular Bar Feeder with compatible Guide Channel Sizes

• LNS XT320/326 : 490mm×39mm×33mm, 135mm×39mm
• LNT GT342 : 165mm×69mm
• IEMCA 320/322 :  460mm×40mm×34mm
• PRO RAY326 :  540/482/365/110mm×69mmmore detail.
  Ref:https://www.precollet.com/product/tf40tf40tf40-tf40tf40/

How Guide Channels Master Dynamic Precision

1. Straightness
   – Standard: ≤0.02mm/100mm (laser-calibrated)
   -Impacts:
   Bar deflection → Poor concentricity (e.g., H6→H7 tolerance loss)
   Uneven wear
2. Clearance Control
   -Ideal clearance:Bar diameter + 0.05~0.2mm
   Too large: Bar wobble → Accuracy issues
   Too small: Feeding resistance
3. PRECOLLET Guide Channel’s Lifespan Secret: Laser-Textured Micro-Surface Technology
   -Laser-etched micro-pockets store lubricant
   -40% longer lifespan vs standard PU

Additional Resources

• Operation Video:https://www.youtube.com/watch?v=8eqCOiq8-KA
• Replacement Guide:

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