A device for manufacturing a component comprises a trough, into which starting material for manufacturing the component can be introduced, a cover that can be attached to the trough in such a way that starting material for manufacturing the component is enclosed between the trough and the cover, a heating device for manufacturing the component by heating starting material that can be enclosed between the trough and the cover, wherein the trough is manufactured from a material with a coefficient of expansion that is essentially identical to the coefficient of expansion of the starting material for manufacturing the component.