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Deep-hole drilling apparatus with continuously working, electrohydraulic centring device, controlled by laser light, for the working axis of the drilling head to prevent deflection in the elastic area
Deep-hole drilling apparatus with continuously working, electrohydraulic centring device, controlled by laser light, for the working axis of the drilling head to prevent deflection in the elastic area
The purpose of the present invention is: To guarantee the making of deep holes with optically straight axes and thereby avoid scrap. To enable drill holes to be made deeper than previously. To make production more economical.
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