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Reconstruction plan of CNC machine tools and its implementation

December 06, 2023

First, the specific steps of mechanical repair and electrical transformation combined

In general, the need for electrical transformation of the machine , are subject to mechanical repair. To determine the repair requirements, scope, content; but also to determine the need for mechanical reconstruction of the electrical transformation of the requirements, content; but also to determine the electrical transformation and mechanical repair, alteration between the staggered time requirements. The perfect mechanical performance is the basis for successful electrical transformation.

  After the first easy hard, first after the overall situation

Determine the transformation steps, the transformation of the electrical part should be divided into a number of sub-systems, such as numerical control systems, measuring systems, spindle, feed system, panel control and high-power part of the system until the basic shape and then complete the interconnection of the whole system jobs. This will reduce the number of omissions and errors in the renovation work. In each subsystems work, you should do the less technical, more heavy workload first, and then do the technically demanding and delicate work, so that people's attention can be focused on the key areas.

  Select the system according to the conditions of use

For a machine or several machines to determine its environment, temperature, humidity, dust, power, light, and even the use of external conditions such as rodents, which the choice of electrical system protection performance, anti-jamming performance, self-cooling performance , Air filtration performance can provide the correct basis for the transformation of the electrical system has a viable use of assurance. Of course, the choice of electrical system must take into account the mature product, reasonable performance, practical, spare parts and maintenance support, function to meet current and future years of development requirements.

  Implementation of participation and transformation of personnel and responsibility

Transformation is a systematic project, staffing is very important. In addition to the qualifications of staff, according to the size of the project, a reasonable number of people and division of labor is the key. Too few staff members are not conducive to work, and too many staff members can easily lead to confusion. According to each divided subsystem, determine the staff responsibilities, there are times, easy to organize and coordinate. If the project adopts the form of external cooperation, it is more necessary to define the division of labor and determine the technical coordinator if the target is clear.

  Reconstruction of the scope and period of determination

Sometimes CNC machine tool electrical system transformation, does not necessarily include all the electrical system of the machine, should be based on scientific determination and analysis of the scope of its transformation. Downtime transformation cycle, according to the actual situation of each enterprise to determine, consider the factors of production stress level, the technical level of staff, the adequacy of preparatory work, the size and complexity of the new system, and even weather conditions. Avoid being overjoyed, anxious for success, rush into battle, but also reasonable arrangements to prevent procrastination.

  Second, the technical transformation of the preparation

The adequacy of technical preparation before the transformation will largely determine whether the transformation will succeed or not. Technical preparations include:

  Mechanical part preparation

In order to meet the electrical transformation and mechanical overhaul need to be carried out in the measurement, calculation, design, drawing, parts production should be completed early. At the same time, after the shutdown should be demolished, changed, processed parts should be planned in advance, put forward specific requirements, and the transformation of the work properly.

  New system of electrical data digestion

The new system has many new features, new requirements, new technologies, so should be familiar with the technical information before the transformation, including the system principle, circuit diagrams, PLC ladder and text, installation and commissioning instructions, manuals, programming manuals. There should be plenty of time to translate (import the system), digest, organize and verify the above information so that the thinking is clear and structured.

  Conversion of old and new system interface design

According to the different scope of the transformation of each device, it is necessary to design the interface part conversion in advance. If all the modifications are needed, the interface of electromechanical conversion, control and configuration of the operation panel, partial contact of the interconnection, parameter measuring point and maintenance position should be designed, convenient for operation and maintenance, Reasonable, the line goes smoothly, the small connection point, the minimum strength interference, with adequate margin and so on. Local transformation, but also need to consider the performance of the old system matching, voltage polarity and size conversion, installation location, digital-analog conversion, if necessary, need to make their own conversion interface.

  Operation, programming personnel technical training

Machine electrical system transformation, the inevitable operation, programming staff to bring new requirements. Therefore, it is very important to train operators and programmers in new system knowledge in advance, otherwise, the transformed machine tools will be put into production quickly. Training should generally include the new configuration of the control panel, functions, instructions meaning; the scope of the new system features, methods and differences with the old system; maintenance requirements; programming standards and automation programming and so on. The key is to understand, get through the operating instructions and programming instructions.

  Commissioning procedures and acceptance criteria

After the renovation of the new electrical system, how to carry out the commissioning and determine the reasonable acceptance criteria is also an important part of the technical preparations. Debugging involves mechanical, hydraulic, electrical, control, sensing, etc., it must be carried out by the project leader, with other staff. Debugging steps can be from simple to complex, from small to large, from outside to inside, but also the first after the overall situation, the first subsystem after the whole system. Acceptance criteria is the assessment of the new system, the formulation must be realistic, too high or too low standards will have a negative impact on the transformation work. Once the standard is finalized, it can not be easily modified because it is held

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Author:

Ms. SU LAN RONG

Электронная почта:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

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Связаться с нами

Author:

Ms. SU LAN RONG

Электронная почта:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

Популярные продукты

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