4FT Fully Automatic Putty Spreading Line

4FT Fully Automatic Putty Spreading Line
The 4FT Fully Automatic Putty Spreading Line is an advanced surface treatment solution designed for plywood and wood-based panel production. It automatically applies putty to fill surface defects such as holes, cracks, and depressions, ensuring a smooth and uniform panel surface before sanding, laminating, or finishing.

This production line integrates conveying, putty feeding, coating, leveling, and stacking processes into a continuous automated workflow, significantly improving efficiency while reducing labor costs. It is widely used in modern plywood factories aiming for high-quality panel finishing and mass production.
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4FT Fully Automatic Putty Spreading Line 

1. Product Detailed Description


 

The 4FT Fully Automatic Putty Spreading Line is a complete production system composed of multiple functional units:

1.1 Feeding & Conveying System

  • Automatic roller conveyor ensures smooth and stable panel transportation
  • Maintains alignment for accurate putty application

1.2 Putty Mixing & Supply System

  • Automatic mixing tank for consistent putty preparation
  • Continuous feeding system ensures stable coating supply

1.3 Putty Spreading Unit

  • High-precision spreading mechanism for uniform coating
  • Adjustable thickness control for different panel requirements

1.4 Surface Leveling System

  • Scraping and smoothing structure ensures even distribution
  • Eliminates surface defects efficiently

1.5 Drying / Cooling Section (Optional)

  • Natural or forced cooling/drying system
  • Improves production continuity

1.6 Automatic Stacking System

  • Intelligent stacking with lifting platform
  • Ensures neat and damage-free panel stacking

2. Product Features & Advantages


 

2.1 Fully Automatic Operation

  • Integrated production line reduces manual intervention
  • Improves efficiency and consistency

2.2 High Efficiency Production

  • Continuous processing significantly increases output
  • Suitable for mass production lines

2.3 Uniform Putty Application

  • Precision coating ensures even surface quality
  • Reduces sanding workload

2.4 Labor Cost Reduction

  • Automation replaces manual putty filling
  • Lowers labor intensity and operational cost

2.5 Adjustable Parameters

  • Putty thickness, speed, and pressure can be customized
  • Flexible for different panel specifications

2.6 Stable and Reliable Structure

  • Heavy-duty frame ensures long-term operation
  • Low maintenance and high durability

2.7 Improved Product Quality

  • Eliminates holes, cracks, and uneven surfaces
  • Enhances final panel appearance and value

3. Main Applications


 

3.1 Plywood Manufacturing

  • Surface repair before sanding and laminating
  • Essential for high-grade plywood production

3.2 Furniture Board Processing

  • MDF, particle board, and blockboard finishing

3.3 Construction Panels

  • Film-faced plywood and building templates

3.4 Decorative Panels

  • Panels for melamine lamination and coating

3.5 Export-Grade Panel Production

  • Ensures surface quality meets international standards

4. Technical Parameters


 
EquipmentQtyKey SpecificationsMotor Power / Details
Side Suction Plate Feeder1Size: 2500×2200×1900mm;
Length: 2.3m;
Diameter: 30 slideway
Transmission motor: 1.5kw;
Vortex fan: 2.2kw
4FT Correction Table1Size: 3100×1390×1065mmMotor power: 1.5kw
Main Frame-Square tube: 100×50×3mm;
4×8ft / 4×10ft adjustable
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4FT Putty Scraper1Scraper thickness: 7–30mm;
Speed: 8 sheets/min;
Size: 1520×2000×1500mm;
Weight: ~1200kg
Stirring motor: 2.2kw;
Recovery motor: 1.5kw;
Lifting motor: 2.5T-12 lifter;
   Main motor: 7.5kw + JZQ250 reducer   
Reversing Conveyor1Height: 1200mm;
Knife wheel roller: 10 pcs;
4×8ft / 4×10ft adjustable
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Mixer1Cylinder diameter: 1.2mMotor power: 7.5kw
Feeder & Recycle Machine1   Diameter: 140mm; Length: 2700mm   Motor power: 2.2kw
Industrial Fans8Size: 1200×1200mmMotor power: 0.75kw
Drying Rack   1 set   Length: 12m;
Drying boards: 120 pcs
Motor: 1.5kw + 2-stage reduction
Board Collector1 setHeight: 1350–1400mm;
Pallet: 1250×3100mm;
4×8ft / 4×10ft adjustable
Motor: 1.5kw;
SC50×150 cylinder;
Grass belt: 3100×100mm
Lifting Platform + Conveyor Roller2Stroke: 1600mm;
Tube: 100×50×4mm;
Rollers: 5;
Load: 3000kg;
Size: 1200×2800mm
Lifting motor: 3kw;
Roller motor: 1.5kw
External Conveyor Roller45 driven rollers;
1 main roller;
10 auxiliary rollers
Motor power: 1.5kw