This Geminis CNC 5 Plus 870 is a used CNC lathe — sometimes referred to as a turning machine or engine lathe — designed for heavy-duty precision turning operations. Lathes of this class are workhorses of metalworking, used to shape, face, bore, and thread cylindrical components across industries such as oil and gas, power generation, shipbuilding, and general engineering. Geminis is a Spanish manufacturer with a long-standing reputation for building robust, large-capacity CNC lathes suited to demanding industrial applications.
The machine's core capacity is defined by a swing of 870 mm over the bed and 560 mm over the cross slide, with a turning length and distance between centres of 3,000 mm. These dimensions make it well suited to large, heavy workpieces. Workpiece weight capacity is substantial, ranging from 3,600 kg when used without a steady rest, rising to 4,400 kg with one steady and up to 5,600 kg with two steadies in place.
The spindle runs at speeds from 0 to 900 rpm and features a generous bore diameter of 162 mm, allowing bar stock or tubular workpieces of significant cross-section to pass through. CNC control is provided by a Fagor system. Motor power is rated at 30 kW, with a total power requirement of 30 kW for the machine as a whole.
This lathe is offered with a comprehensive package of included equipment. An additional chuck is fitted at the back end of the main spindle, configuring the machine for oil country tubular goods work. Workholding is covered by both an 800 mm four-jaw chuck and a 400 mm three-jaw chuck. Steady rest provision includes one fixed steady of 420 mm capacity and one travelling steady. Ten toolholders are included, along with a cooling pump, chip tray at the rear of the machine, and the original machine documentation.
The machine weighs approximately 9,000 kg and has an installed footprint of 5.1 × 2.4 metres with a height of 2.0 metres. It is currently located in the Netherlands and originates from Spain.
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