Fully Automatic CNC Machine has compact structure, beautiful appearance, large spindle torque, high rigidity, stable and reliable performance, and excellent accuracy retention. Optimized design of headstock, suitable for the turning of disc and shaft parts, can be linear, circular, male thread, multi-thread processing, can be applied to the turning of complex shape and high precision disk and shaft parts processing.

The positioning accuracy of CNC machine tool refers to the orientation accuracy that each coordinate axis of the machine tool can reach under the control of CNC equipment. The positioning accuracy of the machine tool can also be understood as the motion accuracy of the machine tool. Generally, the machine tool is manually fed, and the positioning accuracy is mainly determined by the reading error, and the movement of the inclined hard rail machine tool is realized by the digital program instruction, so the positioning accuracy is determined by the numerical control system and the mechanical transmission error.

The movement of each moving part is completed under the control of numerical control equipment. The accuracy of each moving part under the control of program instructions directly reflects the accuracy of the machined part. Therefore, positioning accuracy is a very important detection content.

The positioning accuracy is generally carried out under no-load conditions of the machine tool and the working table, according to the national norms and the rules of the world standardization organization (ISO specification), the detection of the inclined hard rail machine tool should be subject to the laser measurement.

In the absence of a laser interferometer, the average user can also use a standard scale with an optical reading microscope for comparative measurement. However, the accuracy of the measuring instrument must be 1 to 2 levels higher than the accuracy of the measurement.

The instruments used for testing are the same as those used for testing positioning accuracy. The general detection method is to measure the arbitrary three directions near the middle point and both ends of the coordinate travel, each direction is positioned with rapid movement, and the positioning is repeated 7 times under the same conditions to measure the discontinued azimuth value and find the difference in reading.

In order to reflect all errors in the positioning of a Fully Automatic CNC Machine, the ISO specification rules that each positioning point is calculated according to the five measurements and the uniform value and the dispersion band composed of the dispersion band of the dispersion band -3.

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