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Giustina EVOLUTION

Giustina EVOLUTION

Giustina EVOLUTION

Product catalog summary
Overview: The Cinetic Giustina Evolution is a high-speed grinder designed for puntiform grinding contact, ideal for processing shafts with diameters ranging from 10 to 150 mm. It features a CBN grinding wheel with a diameter of 400 mm and dynamic balancing, ensuring high precision and productivity.
Specifications: The machine includes a granite bed, high resistance cast iron components, and a high-speed rotary electro-spindle supported by precision angular contact ball bearings (ABEC 9). It offers a maximum wheelhead power of 29 kW at 15,000 RPM and a headstock power of 9.5 kW at 7,500 RPM. The grinding wheel operates at a surface speed of 150-250 m/s, with a positioning precision of 0.1 µm.
Loading/Unloading: The machine supports both manual and automatic loading/unloading. In manual mode, an operator handles the parts, while in automatic mode, a Cartesian gantry with grippers manages the process, including washing and drying of finished parts.
Process: The workpiece is rotated at high speed between centers, driven by friction to avoid geometrical errors. The grinding wheel contours the workpiece profile, with all main functions controlled by CNC. High speeds and precise control reduce machining stress and improve removal times.
Machine Composition: Key components include a high-speed grinding wheel rotary electro-spindle, a rotary tailstock, and a high resistance cast iron worktable. The machine is equipped with a dynamic balancing device, high-pressure wheel cleaning, and CNC-controlled dynamometric load clamping.
Additional Features: The machine includes pneumatic, lubrication, and cooling systems, as well as fumes suction for improved safety and reduced noise levels. Optional features include an electronic positioner and gauge, and a workpiece holding pad for long parts.
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Catalog excerpts

Giustina EVOLUTION-1

Giustina EVOLUTION high speed peel grinder The Cinetic Giustina grinder model Evolution is the ideal machine for the puntiform grinding contact of shafts with diameters 10 ÷ 150 mm. The contourning process, the rigidity and the high removal speed allow a very high precision and an incomparable productivity. Its guarding, completely sealed, can guarantee a better and easier fumes suction, no leakage and higher safety during the process, together with a lower noise level. The Cinetic Giustina grinder model Evolution is a high speed grinder for the processing with only puntiform grinding contact, equipped with: CBN grinding wheel D = 400 mm, with dynamic balancing device Headstock - Tailstock with part clamping with dynamometric load control Grinding wheel and workpiece traversing high-speed sliding guides NC of all main functions Machine guarding Fives Cinetic, designing today the grinding solution of the future

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Giustina EVOLUTION-2

Giustina EVOLUTION high speed peel grinder Loading/Unloading Workpiece Loading and unloading on this machine is made in two different ways: • Manual mode: an operator, at automatic opening of the guarding door, picks up and places safely (wheel protected), the machined part or the part to be ground on proper cradles. The door closure is activated by the operator through the two-hand-held unit. When the door is closed the grinding cycle starts. • Automatic mode: the change of the finished part and of the one to be finished takes places automatically through a Cartesian gantry with grippers. The...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.