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Steel sphere super-finishing machine PicchiMachine for working brass
spheres with a diameter of up to 2”1/2. (external ø max 103mm). - High speed spindle supported on super-precision bearings and by a compound steel sleeve which is case hardened-tempered and ground. Drive by a spindle motor managed by a vectorial inverter. - Spherical lathe group capable of rotating and vertical translation. The rotation is commanded by a hydraulic actuator managed by a servo- valve in the CNC version; translation is through a servo-assisted electric motor. - A facing carriage to execute the radius. Its translation can be provided either via a hydraulic actuator or via a servo-assisted electric motor. - A expanding mandrel control group, complete with magnetic limit switches for pincer opening control with a safety device in case the drow-bar breaks. - Sphere centring group - Electrical board with PLC - Hydraulic unit - Automatic loading/unloading system |






