Machining appliance incorporates vacuum generator between machining appliance and machined surface, with support and working appliance

摘要

A vacuum-generator (4) produces the vacuum between the machining appliance (2) and the surface being machined (1). At least one support (8) is supported against the surface . The machining appliance is supported against the surface by means of a working-appliance (6) which together with the at least one support, forms a three-point base.