• Flexo Printer Slotter Die Cutter
• Corrugated Cardboard Production Line
• HYWJ Series Corrugated Cardboard Production Line
• Electric Shaftless Mill Roll Stand
• Hydraulic Shaftless Mill Roll Stand
• SF-280S Fingerless Single Facer
• SF-320S(360S) Fingerless Single Facer
• SF-380S(405S) Fingerless Single Facer
• Corrugated Cardboard Preheater
• Overhead Bridge Conveyor
• Gluing Machine
• Double Facer
• Corrugated Cardboard Cross Cutter
• Thin Blade Slitter Scorer
• NC Slitter Scorer
• Corrugated Cardboard Stacker
• Carton Folder Gluer
• Carton Stitching Machine
• Flute Laminating Machine
• Ancillary Machines for Carton Making

Automatic Corrugated Carton Box Making Machine

Corrugated Cardboard Preheater

HUAYU corrugated cardboard preheater is available in single layer, double layer and triple layer. It is mainly used for heating single face corrugated cardboards and Kraft paper. With the capability of removing extra moisture in the paper, this paper preheater can make final corrugated board stronger.

In addition, the corrugated cardboard preheater plays an indispensable role in single face corrugated cardboard production line and single wall, double wall and triple wall corrugated cardboard production line.

• The triplex preheater adopts motorized adjustment for wrap angle. The adjustable angle ranges from 60° to 270°.
• All preheat rolls have been fine processed by precision grinding and hard chrome plating on the surface, ensuring cleanness and durability.
• It employs dishing or plat end enclosure, enabling corrugated medium to be uniformly heated.
• Our corrugated cardboard preheater is configured as single layer, double layer and triple layer options.

Specifications
Preheat roll diameter: φ400mm, φ600mm, φ900mm and φ1100mm
Effective width: 1400mm-2200mm

• 1. 
  2. HY-B Series Semi-Auto Rotary Slotter
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  2. Overhead Bridge Conveyor
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  2. Gluing Machine
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  2. Double Facer