How to distinguish different machining centers, how to distinguish machining centers.

2023-07-24

How to distinguish different machining centers, how to distinguish machining centers. There are two forms of common machining centers: one is that the spindle can rotate 900, which can be like a vertical machining center or a horizontal machining center; The other is that the spindle does not change direction, and the table rotates 900 with the workpiece to complete the processing of the five sides of the workpiece. The installation of workpieces in the universal machining center avoids the installation errors caused by secondary clamping, so the efficiency and accuracy are high, but the structure is complex and the cost is also high.

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Machining center is often divided into vertical machining center and horizontal machining center according to the state of the spindle in space, the spindle of the machining center is in a vertical state in space is called vertical machining center, and the spindle in the horizontal state of space is called horizontal machining center. The spindle can be converted vertically and horizontally, which is called vertical horizontal machining center or five-sided machining center, also known as composite machining center. According to the number of machining center columns; There are single-column and double-column types (gantry type).
According to the number of motion coordinates of the machining center and the number of coordinates controlled at the same time: there are three-axis two-linkage, three-axis three-linkage, four-axis three-linkage, five-axis four-linkage, six-axis five-linkage, etc. Three axes and four axes refer to the number of motion coordinates of the machining center, and linkage refers to the number of coordinates that the control system can control the movement at the same time, so as to realize the position and speed control of the tool relative to the workpiece.
According to the number and function of worktables: there are single table machining centers, double table machining centers, and multi-table machining centers.
According to the processing accuracy: there are ordinary machining centers and high-precision machining centers. Ordinary machining center, the resolution is 1μm, the maximum feed speed is 15~25m/min, and the positioning accuracy is about lOμm. High-precision machining center, resolution of 0.1μm, maximum feed speed of 15~100m/min, positioning accuracy of about 2μm. Between 2~lOμm, it is more ±5μm, which can be called precision grade.

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