SHAFT ELEMENT, METHOD FOR PRODUCING A SHAFT ELEMENT COMPOSED OF TWO DIFFERENT MATERIALS, AND CORRESPONDING TURBOMACHINE

SHAFT ELEMENT, METHOD FOR PRODUCING A SHAFT ELEMENT COMPOSED OF TWO DIFFERENT MATERIALS, AND CORRESPONDING TURBOMACHINE

The invention relates to a shaft element (1) of a turbomachine (2), in particular of a combined steam turbine (4), comprising at least two shaft subsegments (15, 16) integrally joined to each other by means of a weld (23), wherein different chemical and mechanical properties are inherent to said sha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NIEPOLD KARSTEN, BRUSSK STEFAN, KERN TORSTEN-ULF
Format: Patent
Sprache:chi ; eng
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:The invention relates to a shaft element (1) of a turbomachine (2), in particular of a combined steam turbine (4), comprising at least two shaft subsegments (15, 16) integrally joined to each other by means of a weld (23), wherein different chemical and mechanical properties are inherent to said shaft subsegments (15, 16), wherein the weld (23) has a ratio of welding layer height to weld width of 1:14 to 1:2. The invention further relates to a method for producing a shaft element (1) composed of two different materials. 本发明涉及种流体机械(2)的、尤其组合式蒸汽轮机(4)的轴元件(1)，所述轴元件具有至少两个借助于焊缝(23)彼此材料配合地拼合的轴子部段(15，16)，其中在这些轴子部段(15，16)中存在不同的化学和机械特性，其中焊缝(23)具有1:14至1:2的焊层高度/焊缝宽度比。本发明还涉及种用于制造由两种不同材料构成的轴元件(1)的方法。