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Numerical control machine tool motion control apparatus

A motion control and CNC machine tool technology, applied in the field of CNC machine tools, can solve the problems of complex CNC machine sites, large noise interference and high-frequency interference, and low control precision, and achieve simple structure, reduce noise and high-frequency interference, and enhance The effect of control precision

Inactive Publication Date: 2015-03-18
高鹏
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Problems solved by technology

In addition, the control system needs to have good motion speed control ability to ensure that the machine tool does not produce impact, out of step, overtravel or oscillation when starting or stopping, and can accurately stop at the specified position during the driving process. The disadvantage is that the existing CNC machine tool site is relatively complex, with large noise interference and high-frequency interference, and low control accuracy

Method used

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  • Numerical control machine tool motion control apparatus

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Embodiment Construction

[0008] Such as figure 1 The motion control device for a numerically controlled machine tool includes a motion controller, the motion controller is connected to the ISA bus through a bidirectional data bus controller, and the ISA bus is connected to the ISA bus through a programmable controller and a mid-end signal controller Motion controller feedback connection, the signal output end of the motion controller is connected with the signal input end of the driving circuit, the signal output end of the driving circuit is connected with the signal input end of the stepping motor, and the stepping motor is optically coupled , RC filter and motion controller feedback connection.

[0009] When the present invention works, the MCX314 chip outputs corresponding pulse trains according to the commands received from the ISA bus, and controls the servo motor or stepper motor to perform fixed-speed drive, linear acceleration / deceleration drive, S-curve acceleration / deceleration drive, 2-axi...

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Abstract

The invention discloses a numerical control machine tool motion control apparatus in the field of a numerical control machine tool. The apparatus comprises a motion controller, the motion controller is connected with an ISA bus through a bidirectional data bus controller, the ISA bus is in feedback connection with the motion controller respectively through a programmable controller and a mid-signal controller, the signal output end of the motion controller is connected with the signal input end of a driving circuit, the signal output end of the driving circuit is connected with the signal input end of a stepping motor, and the stepping motor is in feedback connection with the motion controller through an optical coupler and an RC filter. According to the invention, the numerical control machine tool motion control apparatus is simple in structure and stable in operation, reduces noise and high-frequency interference, and can be applied to the numerical control machine tool.

Description

technical field [0001] The invention relates to a numerical control machine tool, in particular to a control system of a numerical control machine tool. Background technique [0002] The motion control system of modern CNC machine tools requires high-speed calculation, fast interpolation, ultra-high-speed communication, ultra-high-speed spindle operation, high-precision positioning, high-resolution position detection and digital servo control capabilities. In order to realize the processing of components with complex shapes, the CNC machine tool must require the motion control system to be able to control a variety of interpolation movements, such as linear interpolation, circular interpolation, bit interpolation and continuous interpolation. In addition, the control system needs to have good motion speed control ability to ensure that the machine tool does not produce impact, out of step, overtravel or oscillation when starting or stopping, and can accurately stop at the sp...

Claims

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Application Information

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IPC IPC(8): G05B19/414
CPCG05B19/414G05B2219/49221
Inventor 高鹏
Owner 高鹏
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