Sheet Extrusion line Upgrade

Fully Automatic PP PS Single Layer Sheet Extrusion Line

Single Layer PP/PS Sheet Extrusion Equipment

Fully Automatic PP/PS Single-Layer Sheet Extrusion Line

Fully Automatic PP PS Double Layer Sheet Extruder Machine

Our Journey in Sheet Extrusion Innovation

Litai Machinery has continuously upgraded its plastic sheet extruders since 2001. These upgrades have transformed traditional machines into a fully automated production line, integrating sheeting, extrusion, automatic coiling, and thermoforming.

This product line primarily supplies raw materials for thermoforming machines and demonstrates significant technological progress.

Technology Breakthroughs Across Generations

Here is a comparison of the 1st, 4th, 5th, and 8th generation sheet extrusion machines.

Generation	Intelligent Operation	Energy Efficiency	Cost Control	Production Capacity	Automation	Winding	Thickness Measurement	Silicone Oil Coating Unit
1st	Manual Adjustment (Mechanical)	35 kWh per hour (including auxiliary devices)	Low mold precision and high maintenance cost	50-100kg/h	Manual operation	Manual	-	-
4th	Introduced basic PLC control	15% reduction with conventional motor drive	Modular design for lower spare parts costs	150-200kg/h	Semi-automated linkage	Automatic	Manual	-
5th	Touchscreen HMI	20% with mesh-type ceramic air-cooled heater	Automation for reduced manual intervention	200-400kg/h	Partial automation	Automatic	Manual	-
8th	Intelligent IoT System	Overall energy consumption reduced by 40%	Unit cost decreased by 25%	600-800kg/h	Fully automated production line integration	Automatic	Automatic	Automatic

LITAI's Key Technological Innovations

Intelligent Operation

1st–2nd Generation

Operated via mechanical buttons, requiring manual calibration of temperature and roll winding.
4th Generation

Introduced PLC program control, enabling parameter presets and fault alarms.
8th Generation

Features Siemens IoT algorithms for real-time temperature monitoring and adaptive adjustments, reducing fault response time to under 5 seconds.

Energy & Cost Savings

3rd Generation

Features an upgraded motor, reducing energy consumption by 15%.
6th Generation

Introduces a mesh-type ceramic air-cooled heater, lowering electricity consumption by 30–50%.
8th Generation

Achieves a 40% reduction in overall energy consumption compared to the 1st generation, while doubling mold lifespan.

Production Efficiency & Automation

Pull Tab Accuracy

The 8th Generation improves accuracy from ±0.5 mm in the 1st Generation to ±0.1 mm.
Automatic Roll Forming

5th Generation implements a tension control system, while the 8th Generation adds intelligent web correction and automatic roll changing.
Production Line Integration

The 8th generation seamlessly integrates with thermoforming machines via the MES system, cutting downtime by 50%.

8th-Generation Sheet Extrusion Line

Smarter, faster, and fully automated, with advanced specifications and performance highlights.

Performance Highlights	Technical Specifications	Competitive Advantages
Sheet Width (Max.)	900 mm (customizable)	Large-format plastic cup machine, multi-station thermoforming machine
Compatible Material	PP, PS, PET, biodegradable sheets	One-click formula switching to reduce downtime (different settings for PET and PP/PS machines)
Intelligent Maintenance	Predictive maintenance reminder	Reduces unplanned downtime by up to 40%
Rolling Speed	40 m/min (for 0.45 mm thick sheet)	Up to 8× more efficient than 1st generation

CONTINUOUS INNOVATION DRIVING THE FUTURE OF THERMOFORMING

LITAI Sheet Extrusion Line Upgrade: Key Results

Powered by full servo drive, intelligent IoT, and composite energy recovery, the 8th generation extrusion line achieves superior efficiency, intelligence, and sustainability.

Operation

From manual operation to "one-click production"
Energy

From high consumption to green manufacturing
Cost

From intensive maintenance to long-term value
Efficiency

From low-throughput single machines to intelligent production lines