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Hydraulic presses

Presses for Advanced Ceramics

By setting suitable pressing parameters it is possible to produce even complex geometries with high and especially with uniform compaction, for example plates with an extremely high aspect ratio (like large sputtering targets with a size of 1100 x 420 mm² for PVD plants; the green strength of those sputtering targets still ensures a smooth handling, even with a plate thickness of 8 – 10 mm only). Various examples showed that the properties of uniaxially pressed oxide and non-oxide ceramic green bodies were definitely comparable to those pressed on isostatic presses, at the same time featuring much better dimensional accuracy, acutance and a considerably increased output. Compared to alternative shaping technology such as casting (including pressure casting and injection moulding) the dry pressing technology offers the advantage of a considerably lower addition of organic additives and liquids, which significantly facilitates the subsequent drying and sintering processes.

Even complex geometries can be realized through suitable adaptations of the pressing technology and mould design. For some special advanced ceramic products also type HPF presses are applied (e.g. if a filling depth > 120 mm is required).
Alpha 800-06 Alpha 1500-06 Alpha 4200-06 Alpha 800-06/120

Alpha 800-06

Laeis
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Alpha 1500-06

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Alpha 4200-06

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Alpha 800-06/120

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Alpha 1500-06/120 HPF 630 HPF 1000 HPF 1600

Alpha 1500-06/120

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HPF 630

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HPF 1000

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HPF 1600

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HPF 2000 Omega 2600 Omega 3000

HPF 2000

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Omega 2600

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Omega 3000

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