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RK International of Erith in Kent has expandied its machine tool portfolio to include large capacity (bed lengths of up to 50m) 3- to 5-axis portal construction high speed form milling and drilling centres from SAHOS. Produced by the Czech Republic profiling specialist the machines are widely used for processing composites, aluminium, plastics, wood, laminates, polyurethane resins and fibre boards.
The machines fall into two basic groups of modular portal construction comprising the Dynamic and Power series. The Dynamic has table sizes between 3m by 1.5m to 6m by 2.85m with spindles delivering 24,000rpm. Meanwhile, the Power series has X-axes available between 2m and 50m, Y-axes between 2m and 6m and Z-axes between 1m and 3m. These machines have ceramic bearing spindles with maximum speeds of 18,000rpm. It is also possible to specify independent multiple spindle milling and drilling units on the same machine frame.