Pneumatic expanding shafts with ledges mod. 640 PL

Description

Pneumatic expanding shaft with ledges model 640 PL is recommended for unwinding or winding rolls with cores.

The expanding shaft can be used for all types of cores, multiple rolls, and larger diameter requirements. The body of the shaft is available in a variety of light alloys or in a variety of steel, and expandors in steel, rubber, plastic or in combination, depending from the applications. The journal ends are also available in a variety of steels and are always custom-made. Expansion is obtained by a system of inflatable tubes that are located beneath each row of expandors. Each tube exerts pressure equally to engage the expandors when air is applied. This system results in greater self-centering qualities than other pneumatic shafts presently available. On request, tubes can be independent; this way, any leakage in one tube deflates only the broken one whilst the adjacent tubes continue to hold the core. Tube changes are quick and easy, accomplished without journal removal. Hex sockets free both expandors and tube for a quick procedure.

Standard sizes available for this Model are listed below.

Require an estimate

Features

Core diameter: from 25 to 600 mm

Face width: up to 9000 mm

Expansion range: 8 mm on diameter

Balancing: up to 2200 rpm

Air pressure: min. 5 bar (suggested 6 bar)

 

Contact SVECOM for Non-Standard requirements.

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