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What are the main types of CNC gantry milling according to the position of the spindle

2021-03-22 09:32:49
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Many people do not have a deep understanding of CNC gantry milling. Of course, it is even less clear which is divided according to the position of the spindle. Now I will introduce this knowledge for you. CNC gantry milling is divided into four aspects according to the position of the spindle


The first vertical CNC gantry milling: The axis of the vertical CNC gantry milling spindle is perpendicular to the horizontal plane, and the axis of the CNC gantry milling spindle is perpendicular to the horizontal plane. It is a common layout form in CNC gantry milling and has a wide range of applications. From the point of view of the number of coordinates controlled by the machine tool numerical control system, the current 2-coordinate CNC end milling still accounts for the majority; generally, 3-coordinate machining can be performed, but there are also some machine tools that can only perform any two coordinate machining (often Called 2.5 coordinate processing). In addition, there is also a 4-coordinate and 5-coordinate CNC vertical milling machine that can perform CNC swivel motion around one or two of the X, Y, and Z coordinate axes.


2. CNC gantry milling; CNC gantry milling spindle can move on the horizontal and vertical guide rails of the gantry, and the gantry can move longitudinally along the bed. Large-scale CNC gantry milling must take into account technical issues such as expanding the stroke and reducing the area, and often use the gantry movable type.

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Third, horizontal CNC gantry milling; horizontal CNC gantry milling is the same as ordinary horizontal milling machines, and its spindle axis is parallel to the horizontal plane, which is mainly used for processing box parts. In order to expand the processing range and expand the functions, horizontal CNC gantry milling usually adopts the addition of a CNC turntable or a CNC turntable to realize 4, 5 coordinate machining. In this way, not only the continuous revolving contour on the side of the workpiece can be processed, but also the "four-sided processing" can be realized by changing the station through the turntable in one installation.


4. Vertical and horizontal CNC gantry milling. The spindle direction of the vertical and horizontal CNC gantry milling can be changed, which can achieve both vertical and horizontal machining on a machine tool. It has the functions of the above two types of machine tools, and its use range is wider. It is more comprehensive, and there is more room for selecting processing objects, which brings a lot of convenience to users.


Vertical-horizontal CNC gantry milling can change the spindle direction manually or automatically. Some vertical-horizontal dual-purpose CNC gantry milling adopts a CNC spindle head whose spindle head can be switched in any direction, so that it can process workpiece surfaces that are at different angles to the horizontal plane. A CNC turntable can also be added to the worktable of this type of milling machine to achieve "Five-sided machining" of parts.


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