BERCO AC 650 cylinder boring machines
 The machine and its functions Precision, fast operation and reliability are the main features of the new AC 650 and AC 650M Cylinder Boring Machines.
The two models, dimensionally and structurally alike, only differ in the table drive system: manual traverse on the AC 650 and power traverse on the AC 650M.
Although they have been designed for reconditioning of small and middle-sized I.C. engine blocks, they can profitably be used also for other jobs such as con-rod and bearing housing boring, etc.
On the AC 650M, with power table trav-erse, it is possible, by using a milling cutter, to resurface the contact surface, of cylinder blocks and heads as well as manifolds in either cast iron or aluminium.
All of these operations are performed in the most rational way and with the utmost fastness as both models are equipped with a special device which allows fast boring spindle change and gives the possibility to preset the tools out of machine for subsequent machining.
Other possibilities to widen the field of application are given by the cutter arbor which can accommodate at the inside a special taper seat (No. 3 M.T.) bush which allows, fitting toolholders, drill chucks, twist drills of different sizes, etc.
The AC 650 and AC 650M machines, manufactured with the unrivalled technique featuring all of the BERCO products, are featured by:
• structure components all in highresistance, stress-relieved cast iron;
• integral slide ways widely dimensioned and finished with a particular process which assures, even under max. load, an even and rational dispensing of the lubricating film;

More:http://www.berco.com

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