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STRAPPING HEADS FOR STEEL STRAP

SAIZAR Strapping heads models for steel strap:
• CASA 16/19
• CASA 25/32

Technical features

CASA 16/19

CASA 25/32

Dimensions:

   

        Length

800 mm.

900 mm.

        Width

700 mm.

700 mm.

        Height

1000 mm.

1100 mm.

Strap width

16-19 mm.

25-32 mm.

Strap thickness

0.6-1.00 mm.

0.8-1.00 mm.

Type of strap

Steel

Steel

Sealing

Notching/TIG Welding /Linkers

Notching/TIG Welding /Linkers

Welding time

1-3 seconds

1-3 seconds

Strap resistance

80-90% of steel strap breaking load

80-90% of steel strap breaking load

Collection speed

2 m/s.

2 m/s.

Feeding speed

2 m/s.

2 m/s.

Tensioning speed

0.2 m/s.

0.2 m/s.

Max.Tension

7000 N-18000N

7000 N-20000N

Hydraulic pressure

90 bar.

90 bar.

Tensioning time

0.5 seconds

0.5 seconds

Feeding/Tensioning

Hydraulic/Pneumatic

Hydraulic/Pneumatic

Work pressure

6 bar.

6 bar.

Consumption of air

110 L./cycle

120 L./cycle

Electro valve coil tension

24 V C.C

24 V C.C

Weight of the head

190 Kgs.

200 Kgs.

SEALING SYSTEMS

SEALING BY NOTCHING
SAIZAR has 3 different strapping jaws to be used. Depending on the application and the features of the material to be strapped the following notching systems can be used:
Sealing by 3 double notches• Sealing by 3 double notches

For 16 and 19mm steel strap the notching system used is by 3 double notches. Also for applications where is used the 25 or 32mm steel strap, for minimum widths and diameter packages, it is recommended to use the 3 double notches sealing system. This system performs 3 notches in one sense on one side of the strap and other 3 notches in the other sense on the other side of the strap. By the tension applied, we ensure that the higher strap goes 2mm deep respect to the lower strap.

Sealing by 4 double notches• Sealing by 4 double notches

For 25 and 32mm steel strap the notching system used is by 4 double notches. This system performs a total of 4 double notches in one sense or 3 double notches in one sense and another double notch in the opposite direction. By the tension applied, we ensure that the higher strap goes 2mm deep respect to the lower strap.

Sealing by 5 double notches• Sealing by 5 double notches

For 32mm steel strap, where high quality sealing is required with a value higher than the 90% of the steel strap breaking load, the sealing used is by 5 double notches. This system performs 5 notches in one sense on one side of the strap and other 5 notches in the other sense on the other side of the strap. By the tension applied, we ensure that the higher strap goes 2mm deep respect to the lower strap.

SEALING BY TIG WELDING
SAIZAR offers different solutions for the TIG welding sealing system, so depending on the application you can choose to use one of the next options:
Sealing by 1 TIG welding point• Sealing by 1 TIG welding point

Depending on the features of the material to be strapped, the sealing can be performed by one TIG welding point. The welding point is done by a tungsten electrode. This requires that the strapping machine carries a welding machine provided with argon.

Sealing by 2 TIG welding points• Sealing by 2 TIG welding points

Usually when TIG welding is used are performed 2 TIG welding points. This requires having two tungsten electrodes. Both points can be done by the same welding machine or you can use one welding machine for each welding point, also is necessary for the machine to be provided with argon.

Sealing by 3 and 4 TIG welding points• Sealing by 3 and 4 TIG welding points

For special applications where is required a high strength sealing with a breaking load higher than 90% of the strap breaking load, the TIG Welding is composed by 3 or 4 welding points. This requires having 3 or 4 tungsten electrodes (depending on the application). The 3 or 4 welding points can be made by one welding machine or you can use separate welding machines to perform each welding point. Also is necessary to provide argon to the machine.

SEALING BY LINKERSSEALING BY LINKERS

SAIZAR also offers the option to perform the sealing by linkers (clips). The strapping head carries a system to feed the linkers and the sealing is done performing notches at both sides of the linker.

Poligono Beotibar, 4 • 20491 Belaunza (Guipuzcoa) • Telf: +34 943 675 068 • Fax: +34 943 675 640 • info@saizarsl.com

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