SKODA-BLANSKO SK 63 double-column vertical lathe is a large machine used mainly in heavy industry for processing large and heavy components, such as structural elements, naval components and turbines. Being a used machine, it is essential to consider some key aspects such as wear, general condition and technological updates received.
Visually, the SKODA-BLANSKO SK 63 looks like a massive machine, with a solid work platform and two lateral columns that support the mobile crossbar and the two rams, fundamental components for processing. The two rams, with a section of 400 x 400 mm , represent the heart of the cutting and processing system. The machine has been built to handle extremely heavy loads, with a platform diameter of 6300mm , capable of supporting up to 300 tonnes of weight.
One of the distinctive elements of this vertical lathe is the mobile crossbar, which allows you to adjust the processing height, making the system particularly versatile for pieces of variable dimensions. The platform can spin at 4 speed ranges , with a maximum of 27 revolutions per minute 163 kW motor . This gives the machine a great processing capacity both in terms of precision and speed.
Here are some of the main measurements and technical characteristics:
SKODA-BLANSKO SK 63 vertical lathe underwent a comprehensive retrofitting in 2010, meaning that the machine was updated to be compatible with modern technologies, thus keeping its performance high. In 2020, checks were carried out on the machine's geometries to guarantee the precision and quality of the work.
Mechanically, the machine is robust and powerful, capable of tackling milling, drilling and turning jobs on large components. The two rams allow simultaneous operations on different points of the piece, optimizing processing times. NUM 1060T CNC system ensures precise control of machine movements, allowing complex operations to be programmed with great accuracy.
Operation of the machine requires skilled personnel, given the complexity of the CNC and the need to correctly position heavy parts on the platform. Workable materials include heavy metals and specific alloys, such as steel and cast iron, typical in heavy industry.
Before use, it is necessary to prepare the workpiece and fix it on the platform, ensuring that it is well anchored to avoid movement during processing. Thanks to the movable crossbar and the vertical travel of the rams, the operator can adjust the machine according to the height and size of the piece. Subsequently, the NUM 1060T CNC is programmed for turning or milling operations. The operator can monitor the process in real time, making corrections on the fly if necessary.
Among the most useful accessories that can be combined with this lathe are advanced measurement devices to monitor the precision of operations and improved cooling systems to manage heat dissipation during prolonged machining.
Regarding the definition of the optimal parameters of use, a common formula for calculating the rotation speed is:
n=1000⋅Vπ⋅Dn = \frac{1000 \cdot V}{\pi \cdot D}
Where:
This formula helps determine the correct rotation speed based on the characteristics of the workpiece and the type of material.
Maintenance of a vertical lathe of this magnitude requires regular inspections, especially regarding the machine geometries and the precision of the CNC. It is essential to keep the lubrication and cooling systems clean to ensure the life and smooth operation of the system.
When considering the purchase of a SKODA-BLANSKO SK 63 , it is essential to examine the retrofitting performed and the most recent checks. In the case of this model, the 2010 retrofit and 2020 testing suggest that the machine is in excellent operating condition. However, it is always useful to check the condition of the platform, shoulders and rams in person, as well as testing the CNC.
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