Contact arrangement for use in an apparatus for producing three-dimensional work pieces

US10150161B2 · kind B2 · utility

Assignee

• SLM SOLUTIONS GROUP AG · DE

Inventors

• Bodo Haack · Stade, DE
• Dieter Schwarze · Hof Perlberg, DE

Key dates

• Filing date: Nov 13, 2015
• Grant date: Dec 11, 2018
• Expiry date: Oct 6, 2036

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/25
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A contact arrangement (44) for use in an apparatus (10) for producing three-dimensional work pieces by irradiating layers of a raw material powder with electromagnetic or particle radiation, the contact arrangement (44) comprises a replaceable building chamber (20) adapted to receive a work piece generated in the apparatus (10) by an additive layering process and a building chamber support element (38) adapted to support the replaceable building chamber (20). A first contact element (46) is fastened to the replaceable building chamber (20) and comprises at least one first electrical conductor element (48), the first electrical conductor element (48) being provided with a first planar conductor surface (50). A second contact element (52) is fastened to the building chamber support element (38) and comprises at least one second electrical conductor element (54), the second electrical conductor element (54) being provided with a second planar conductor surface (56). The first planar conductor surface (50) provided on the first electrical conductor element (48) of the first contact element (46) and the second planar conductor surface (56) provided on the second electrical conductor ele…