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A Communication Heterogeneous Feed System for CNC Machine Tool and Its Debugging Method

A technology of feed system and CNC machine tool, applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problem of lack of literature, and achieve the effect of increasing openness

Active Publication Date: 2021-09-28
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In particular, the existing "EtherCAT-ProfiBUS protocol conversion technology" cannot be directly transplanted to the "industrial computer-motor" connection, but needs to go through several complicated debugging; and how to debug, the inventor searched (including: EPO database, CNKI database, HIMMPAT database, Wanfang database, Baidu), but no literature has disclosed

Method used

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  • A Communication Heterogeneous Feed System for CNC Machine Tool and Its Debugging Method
  • A Communication Heterogeneous Feed System for CNC Machine Tool and Its Debugging Method
  • A Communication Heterogeneous Feed System for CNC Machine Tool and Its Debugging Method

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Embodiment 1

[0060] Embodiment 1: The present invention will be specifically described by taking a laser processing machine tool feed system as an example.

[0061] Such as Figure 4 Shown is a physical picture of the electrical cabinet of a laser processing machine tool, in which the industrial computer adopts Beckhoff C6640-0040 industrial computer, equipped with CoreTM i7 2.3GHz CPU, with 8G running memory, the system uses win7 professional version, and installs TwinCAT software, supports EtherCAT protocol.

[0062] The servo system adopts Siemens CU320 motor control unit, S120 DC / AC servo motor driver, and 1FK7 series servo motors, all of which support the ProfiBUS protocol.

[0063] The communication protocol conversion module adopts Beckhoff EL6731 module.

[0064] The power supply and communication wiring of the feeding system are as follows: the industrial computer adopts single-phase 220V power supply, the Siemens servo adopts three-phase 380V power supply, and the EL6731 module...

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Abstract

The invention discloses a CNC machine tool communication heterogeneous feed system and a debugging method thereof, which belong to the field of CNC machine tool servo control, and its technical point is that the hardware of the feed system is divided into four parts: an industrial computer, a communication protocol conversion module, a servo driver, servo motor. The upper computer control software is installed in the industrial computer, which supports the EtherCAT field bus protocol. The servo drive and the servo motor support the ProfiBUS field bus protocol. The lower computer control software is used for debugging. The communication protocol conversion module can realize the conversion of the upper and lower computer communication protocols. The debugging method is divided into three parts: the upper computer control software configures the communication protocol conversion module, the lower computer control software configures the servo drive and sets the position loop and speed loop parameters of the feed system. By using the system and the debugging method of the present application, the high-performance motion control of the communication heterogeneous feed system in the numerical control machine tool can be realized.

Description

technical field [0001] The present invention relates to the field of servo control of CNC machine tools, and more specifically, relates to a communication heterogeneous feeding system of CNC machine tools and a debugging method thereof. Background technique [0002] EtherCAT (Ethernet Control Automation Technology) is an open-architecture industrial fieldbus developed by Beckhoff, Germany. It is widely used in the field of automation because of its low communication jitter and low hardware cost. The ProfiBUS protocol was developed by Siemens AG of Germany, and it is used in servo drive control scenarios with high real-time requirements and high control precision requirements. [0003] At present, many open CNC systems are developed based on the EtherCAT communication protocol. Therefore, if you want to realize real-time control of the servo that supports the ProfiBUS protocol, you must open up the conversion and debugging process of the two protocols, so as to realize the hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q15/00H04L12/40H04L29/06
CPCB23Q15/00H04L12/40006H04L69/08H04L2012/40221
Inventor 刘强殷振朔孙鹏鹏王柳权
Owner BEIHANG UNIV
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