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GB/T 39129-2020: Numerical control system of machine tool - Fault diagnosis and correction specification
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Numerical control system of machine tool - Fault diagnosis and correction specification
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GB/T 39129-2020
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Basic data | Standard ID | GB/T 39129-2020 (GB/T39129-2020) | | Description (Translated English) | Numerical control system of machine tool - Fault diagnosis and correction specification | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J50 | | Classification of International Standard | 25.040.20 | | Word Count Estimation | 14,153 | | Date of Issue | 2020-10-11 | | Date of Implementation | 2021-05-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39129-2020: Numerical control system of machine tool - Fault diagnosis and correction specification
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Numerical control system of machine tool - Fault diagnosis and correction specification
ICS 25.040.20
J50
National Standards of People's Republic of China
Specification for fault diagnosis and maintenance of machine tool numerical control system
2020-10-11 released
2021-05-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China Machinery Industry Federation.
This standard is under the jurisdiction of the National Machine Tool Numerical Control System Standardization Technical Committee (SAC/TC367).
Drafting organizations of this standard. Huazhong University of Science and Technology, Wuhan Huazhong CNC Co., Ltd., Guangzhou CNC Equipment Co., Ltd., Beijing Airlines
Tian University, Shenyang High Precision CNC Intelligent Technology Co., Ltd., Changchun Yuheng Optical Co., Ltd., Shenji (Shanghai) Intelligent System R&D and Design
Co., Ltd., Kede CNC Co., Ltd.
The main drafters of this standard. Jin Jian, Zhang Hangjun, He Yingwu, Peng Chong, Wu Wenjiang, Lin Changyou, Wang Shengwen.
Introduction
CNC machine tools are equipment for manufacturing equipment. They are called "worker machines". They have an extremely important position in the equipment manufacturing industry and are widely used.
Used in aviation, aerospace, shipbuilding, light industry, automobile, textile and other industries. The CNC system is the core component of CNC machine tools, which largely determines
The function and performance of CNC machine tools. As the functions become more powerful, the CNC system is
More and more applications in. However, the more powerful the function, the greater the harm caused by failure. Due to failure to diagnose and repair in time or diagnosis
Direct and indirect losses caused by improper maintenance and repairs (including damages to blanks, tools, workbenches, machine tools, CNC systems themselves, etc.,
The damage to the body and the environment and the losses caused by downtime and lost work) are about hundreds of millions of yuan (the output value of the CNC system industry is on the order of tens of billions).
In order to reduce these hazards and losses, adopt and implement effective fault diagnosis and maintenance methods to locate the fault and make it possible
To quick repair is particularly important. Develop technical standards for fault diagnosis and maintenance of CNC systems,
Standardizing the fault diagnosis and maintenance process, fault and maintenance data statistics, etc., has important implications for improving the efficiency of fault diagnosis and maintenance.
It can effectively improve the reliability of the CNC system and reduce user losses.
Specification for fault diagnosis and maintenance of machine tool numerical control system
1 Scope
This standard specifies the technical requirements for fault diagnosis and maintenance of machine tool numerical control systems.
This standard applies to machine tool numerical control systems.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1
Machine CNC System
A control system that uses numerical control to control machine tool processing functions.
Note 1.Machine tool numerical control systems generally include hardware devices and corresponding software. The machine tool numerical control system is mainly composed of a numerical control device (also called a control unit) and a driving device
(Motor drive unit and motor, sensor) and other components. The numerical control device is the main part of the machine tool numerical control system, which mainly includes a microprocessor, a
Motion (position) controller, memory, input/output (I/O) and communication interface, man-machine interface (display and keyboard), operating buttons (keys) and other hardware (and/or circuits) and corresponding control software.
Note 2.There are multiple classification methods for machine tool numerical control systems. According to different functions, machine tool CNC systems are usually divided into three types. simple type, high-performance type and popular type;
According to the different application technology, it can be divided into two kinds of special and general CNC systems; according to the different feedback control forms, it can be divided into open loop control and semi-closed loop control.
There are three types of control and closed-loop control; according to the different processing control methods, it can be divided into three types. point control, linear control and contour control.
Note 3.Rewrite JB/T 11989-2014, definition 2.1.3.
2.2
malfunction
The state in which the CNC system of the machine tool cannot complete the required function. Except for preventive maintenance or other planned actions or lack of external resources.
Note 1.The failure is usually caused by the failure of the product itself, but even if the failure does not occur, the failure may exist.
Note 2.Rewrite GB/T 2900.13-2008, definition 191-05-01.
2.3
Troubleshooting
Actions taken for fault identification, fault location and analysis of the cause of the fault.
[GB/T 2900.13-2008, definition 191-07-22]
2.4
malfunction repair
Fault repair
After the fault is located, the action taken to restore the faulty product to a state where it can complete the required function.
Note. Rewrite GB/T 2900.13-2008, definition 191-07-23.
3 Machine tool CNC system failure
3.1 Overview
The machine tool numerical control system often runs in conjunction with its control object (such as machine tool), and there is a complex structure and functional relationship between the two.
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