Rotary Table Intelligent Assembly Machine adopts 45° oblique integrated layout, and the bed adopts tubular hollow structure, which greatly improves the bending and torsional rigidity of the machine tool during operation. At the same time, the stability of the machine tool is improved by secondary aging treatment. High rigidity and high stability are important guarantees to ensure the accuracy of machine tools. Suitable for high precision, high processing difficulty, multi-process, mass production of all kinds of shaft, disc type small and medium-sized parts processing. Rotary Table Intelligent Assembly Machine coordinate system is the machine tool itself inherent coordinate system, generally in the machine tool design has been set. The machine coordinate system is used to determine the position of the workpiece on the machine tool, the special position of the moving parts of the machine tool (such as tool change point, reference point), travel range, protection area, etc.

The machine tool system adopts a standard rectangular coordinate system and is built according to the following three principles:

(1) Consistent with the right-hand rule

The thumb points in the positive direction of the X axis, the index finger points in the positive direction of the Y axis, and the middle finger points in the direction of Z. Or make a fist with the palm of your hand from the X axis to the Y axis, with the thumb facing the Z axis.

(2) The Z axis is in the same direction as the main axis

The Z axis direction and the main axis direction of most CNC machine tools are the same, but the forward direction of the Z axis must take into account the other two principles. Figures 7-3 and 7-4 show the Z-axis and its forward direction of a CNC lathe and machining center.

(3) The direction between the tool and the workpiece is a positive coordinate axis

The motion distribution of different CNC machine tools is different, and this principle emphasizes the relative motion direction of the tool and the workpiece. Based on the origin of the machine coordinate system, it is more effective to determine the distance between the tool and the workpiece.

It should be pointed out that the determination of the machine tool coordinate system must consider three principles at the same time, otherwise the machine tool coordinate system can not be correctly obtained.

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