Rewinder(4300mm ) 4300mm复卷机

High-speed Rewinder Technical Proposal

The high-speed rewinder technology transfer contract with Metso in the project of trade and technology integration. METSO provides a full set of drawings, technology, quality standard and training which make the rewinder reach Metso’s standard. The product is awarded manufacturing license by Metso and has the features of high-degree automation, high speed, wide width and stable operation.

General Data

Paper grade：		Offset papers, Wall papers
Basis weight：		55～165g/m2
Parent roll:		4350mm (Max.)
Trimmed width：		4300mm
Operating speed：		2200m/min(Max.)
Design speed：		2500m/min.
Parent roll diameter：		φ3000mm（Max.）
Reel spool diameter
Slitter quantity		12
Set diameter		φ1500mm（Max.）
Winding width		Min. 300mm
Core chuck diameter：		3”
Parent roll density		620kg/m3
Max. web tension		910N/m
Hand of machine		Decided later
Acc & Dec rate time		87s (0.42m/s2 acceleration)
Emergency Dec. rate		1.2 m/s2
Color of equipment		Be determined by customer’s RAL
Edge trim/Side		10-50mm

Supplying Scope


Machine section
　 Unwind section
　 Slitting section
　　 Frame
　　 Guide roll
　　 Section rolls
　　 Spreader section roll
　　 Slitters
　　 Edge trim chutes
　　 Double spreader rolls
　 Wind-up section
　　 Frame
　　 Drums
　　 Core locks
　　 Rider roll
　　 Automatic set change equipment
　　 Automatic core insert system
　　 Lowering cradle
　　 Nip guard
　 Auxiliary equipment
　　 Web threading devices
　　　 Mechanical drive for unwind
　　　 Mechanical drive for drums
　　　 Mechanical drive for guide roll
　　　 Safety fences
　　　 Baseplates
　 Automatic control systems
　 Hydraulic and pneumatic systems
Erection and start up
Erection and start up supervision