Compact machining centre supports 3-axis metal cutting

2nd January 2018
Posted By : Lanna Cooper
Compact machining centre supports 3-axis metal cutting

German manufacturer, Spinner, represented in the UK and Ireland by sole agent Whitehouse Machine Tools, Kenilworth, has announced the new VC1650 5-axis machining centre. Anyone needing to machine complex components weighing up to two tonnes within an 820mm cube may wish to review it. Rigidity and accuracy are assured by deploying a +1°/-110° B-axis spindle to provide the fifth CNC axis, avoiding having to swivel the rotary table.

A fixed table to the right of it allows workpieces up to 1,650mm long to be supported horizontally for 3-axis metal cutting, extending the machine’s versatility. The spindle head centreline is offset by 200mm to the left of its centre of rotation to allow features closer to the table to be machined.

Notable also is the patent-pending method of protecting the table’s Y-axis guideway from swarf and coolant ingress using a single wiper system, eliminating the need for a telescopic cover. The depth of the machine is consequently shorter, leading to a 30% reduction in overall footprint. As the table moves to the extremes in the X-axis, automated loading and unloading from the sides is simplified.

Another characteristic of the machine is FEM-optimisation of the cast structure, which provides a high level of rigidity and vibration damping for elevated cutting performance and high standards of surface finish on machined components. Further advantages are that tool life is extended and accuracy of machining is enhanced.

A user can choose from a vast array of alternative features and options, such as a 464 Nm high torque spindle or a 18,000rpm high speed spindle, a 96-pocket magazine for SK50/HSK100 tools or 138 pockets for SK40 / HSK63, 70 bar high pressure coolant instead of 22 bar, linear scales in X, Y and Z, and either a Siemens 840D sl control with Spinner’s 24" Touchpanel 4.0 interface or a Heidenhain TNC640 with 19" screen.

Often overlooked when drawing up a machine tool shortlist is the aspect of chip disposal. Spinner has optimised efficiency in this area by providing four spiral augers to deliver chips to a conveyor at the front of the machine for convenient removal. It also ensures negligible heat transmission and allows space on the shop floor to be saved when installing the 16-tonne machine.

All Spinner machine tools are manufactured in its Munich factory. The medium-sized enterprise has delivered more than 20,000 since its inception in 1950 and currently sells in excess of 1,000 CNC machines per year.


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