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Tel: 0532-55570881
Fax: 0532-55570885
Contact Person: David Gong
Address: No.666 Guangzhou North Road, Jiaozhou, Qingdao, China

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Paper edge protector machine


 SANPPL-120G is our latest edge protector production line with high speed (50m/min).  Through

 changing tools, flat board and U profile protector can be produced by same one machine.

Technical specification



L protector size(mm)

25~100(can be symmetrical and assymetrical)


normally 2.56mm,special order for max thickness of 8mm

Applicable inner paper

360-600g/m2  bobbin fibre paper

Applicable surface paper

175-250gsm craft paper

Core diameter of paper roll

3”(76mm) ( 4”or other size must be confirmed when making order)

Max. quantity of Layer

13 Including 1 layer surface paper

Max. speed

50m/min for length not smaller than 500mm.

Control system

PLC, servo motor, Touch screen (HIM) with automatic alarm and failure notice, easy for operation and adjustment.

With output counting.

Paper stands

Model G. Suspended paper stands (suffering effect) with hoist for inner paper. Separate paper stand for surface paper.

Forming wheels

chamber hanging type , easy to change moulds

Method to load paper roll

Load inner paper rolls by hoist (along with machine). No need to stop machine when loading paper rolls.

Applicable paper roll diameter


Paper feeding and compounding

Model G, Step type with complex structure

Gluing system

Cascade type gluing system

Glue heating

Model G, electrical heating with temperature control system

Glue feeding

Automatic feeding by diaphragm pump

Pressing adjustment

Pneumatic pressing  to protect paper and easier operation

Protector heating

Model G, electrical heating

Cut method

Hydraulic cutting

Quantity of cutter


Moving of cutting head

servo motor controlled by PLC

Min cut length

100mm (speed not more than 10m/min)

Max. cutting frequency


Cut tolerance



Model G, Automatic stacking

Motor for forming section

two motors with inverter, with high power, direct-connected reducing motor

Power supply

20.7KW   380V, 50HZ 3 phase

Air supply


Total weight(MT)



24.5×1.8×1.9(highest point for hoist is 2.9m)




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