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Features

Specifications

Working Width: 1600mm

Design Speed: 150m/min

Economic Speed: 180-230m/min

Hot Plate Number: 600mm X 10piece

Cooling Section Length: 5m

Temperature Requirements: 160-200℃

Steam Pressure: 0.8-1.3Mpa

Air Pressure: 0.5-0.6Mpa

Pneumatic Pressure Plate: 13 Groups

Working Power: 380V 50Hz 90KW

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Double Facer heavy pressing rollers

Corrugated cardboard production line rollers

Cardboard pressing rollers with warranty

Basic Infomation

Place of Origin: Dongguang，China

Brand Name: GERUN

Certification: ISO,CE

Model Number: GR

Payment & Shipping Terms

Packaging Details: Plastic film covering or wooden case packaging(choosed)

Delivery Time: 30-60days

Payment Terms: T/T

Supply Ability: 30set/month

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Double Facer For Corrugated Cardboard Production Line Heavy Pressing Rollers

Product Description

Double Facer For Corrugated Cardboard Production Line

The double facer, also known as the double backer, is the "forming hub" of a corrugated board production line. It is responsible for bonding single-face corrugated board with a liner (face sheet) and pressing them into sturdy double-wall or multi-wall corrugated board. It is a key piece of equipment that determines the final physical strength and quality of the board.

Technical Specifications

Effective Width	1600mm	Design Production Speed	150m/min
Three Layer Economic Speed	200-230m/min	Longitudinal Separation Accuracy	±1mm
Cross-cutting Precision	±1mm	Working Width	1600mm
Design Speed	150m/min	Economic Speed	120-130m/min
Hot Plate Number	600mm×10 pieces	Cooling Section Length	5 meters
Temperature Requirements	160-200℃	Steam Pressure	0.8-1.3Mpa
Air Pressure	0.5-0.6Mpa	Pneumatic Pressure Plate	13 groups
Working Power	380V 50Hz 90KW

Structural Features

The double-sided machine bonds single-sided corrugated paper and facial paper through laminated, heated platen heating, glue paste, and stereotypes to produce flat cardboard
Hot plate surface is ground finished, with 18 pieces of 600mm wide hot plates and 5m cooling stereotypes section
Hot plates made from container board with enclosed pressure container certification and inspection certificates
Internal thermal panels feature partition isolation structure with S-shaped steam flow and steam-water separation function
Pneumatic pressure plate structure with 14 sets of spring pneumatic pressure plates standard
Multi-section temperature control with temperature display for heating plate heat pipes
Upper cotton webbing automatically centered with double cylinder S-shaped cotton web tensioning device
Lower belt uses pneumatic tensioning mechanism with automatic left-right correction and manual adjustment capability
Independent gearbox drive unit with ZG-500 steel gears and oil-immersed lubrication
International brand electrical components for stable and reliable operation
Main drive motor features frequency energy, low-speed torque, wide speed range, and easy maintenance
High-intensity profile main backbone with solid structure suitable for high-speed operation

Production Line Position and Process Flow

The double facer is typically located after the single facer and before the dryer/cooler section, serving as a connecting link in the corrugated board production process.

Typical Production Flow:

Single-face corrugated board → Double facer (adhesive application, liner lamination, heating/pressing) → Drying and Cooling → Slitting and Scoring → Stacking

Main Types and Selection Reference

Heated-Plate Double Facer: Most common type using upper and lower heated plates for pressure. Large contact area, suitable for medium- to high-speed production lines
Vacuum-Assisted Double Facer: Uses vacuum belt for transport, reducing friction between board and heated plates. Suitable for heavyweight, high-strength boards
Air-Cushion Double Facer: Provides even pressure, suitable for producing thin or lightweight boards, effectively preventing flute crush

Key Operational and Maintenance Points

Temperature Control: Heated plate temperature must match line speed. Higher speeds require higher temperatures to ensure complete adhesive gelatinization
Pressure Adjustment: Excessive pressure flattens flutes (flute crush), reducing strength; insufficient pressure leads to poor bonding
Routine Maintenance: Focus on cleaning heated plate surfaces to prevent carbon buildup affecting heat transfer; check canvas belt or conveyor belt tension to ensure smooth transport

Packing and Shipping

Adopts moisture-proof and shock-proof packaging suitable for long-distance road transportation and various weather conditions. A full set of maintenance and operation manuals is included.

Our Services

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Contact Person :	Mr. Warren
Tel :	+8613004365165
Fax :	86-0317-8198069

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