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Home >> Prodotti e servizi >>rubber industry >>Vulcanizing machine >> Radio frequency vulcanizer
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Radio frequency vulcanizer

Radio frequency vulcanizer:

Stalam has developed specific RF equipment for vulcanizing natural latex and SBR foam for pillow and continuous sheet.

 

The traditional Dunlop vulcanisation process uses steam as the heating mean to activate the cross-linking reactions of polymer chains. Foam, having plenty of tiny air bubbles within, is by nature a poor thermal conductor and therefore letting heat soak into thick mattress core or pillow moulds is a slow and inefficient process. Costly and heavy metal moulds fitted with a large number of metal pins are actually used in the attempt to speed up the process, but it still remains time- and energy-consuming. Radio Frequency can be instantly absorbed in the appropriate quantity by the large amount of water contained in the foam, uniformly throughout its volume. Thus, heating of the foam and its full vulcanisation just take a few minutes, in the centre as on the surface.

 

The RF vulcanisation equipment are therefore much smaller (shorter) compared to the conventional carousels or tunnels working with steam having the same hourly throughput, and the energy consumption can be cut by 50% .

 

Moulds are made of light and inexpensive composite materials that allow weight reduction of over 60% compared to traditional metal moulds. Moreover, mould materials developed by Stalam in cooperation with specialising suppliers, allow for an easy and quick stripping of the vulcanised product. Last but not least, mould design is more flexible, not being bound to the presence of pins.

 

Stalam also provides vulcanization and drying equipment for 3 to 10 cm or even thicker continuous sheets, which is shorter and more efficient than traditional production lines, and the product quality is much better! 

 

benefits

 

The product has fine structure and better physical performance

Energy saving and cost-effective process (-50% energy consumption)

Faster vulcanization, shorter (smaller) equipment

Uniform and complete vulcanization

Cheaper, lighter and versatile molds

Higher efficiency

Thicker continuous sheets (3-10cm, even 15cm)

SDB07-85 RF vulcanizer1-5cm

SDB03-105 RF vulcanizer5-10cm

SDB05-125 RF vulcanizer10-15cm


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