Views: 2 Author: Site Editor Publish Time: 2024-05-25 Origin: Site
With the rapid development of the manufacturing industry, demand for machinery mold manufacturing is increasing, and traditional methods of machinery mold manufacture have struggled to fulfill the demands of efficient and high-precision processing. As a result, CNC machining technology and services are increasingly being used in the manufacture of machinery molds. This study, funded by Kaiao-RPRT, presents a brief overview of machinery mold manufacturing and CNC machining technology, as well as an analysis of the application of CNC machining technology in equipment mold production to anticipate future development trends.
A mold is a tool used to mass produce a specific product or part, and a machinery mold is a mold used in the process of mechanical manufacturing. In the manufacturing of machinery molds, it is necessary to select suitable materials according to the design drawings or models, and after a series of machining processes, such as turning, milling, grinding, drilling, boring, etc., to manufacture molds that meet the requirements. Such molds can be used to produce a variety of mechanical products, such as automobiles, electrical parts and so on. In the traditional mechanical mold manufacturing, the maker usually needs to rely on experience and skills, using manual or semi-automatic processing, there are problems such as low precision, low efficiency, unstable quality, etc., it is difficult to meet the needs of the modern manufacturing industry.
With the progress of science and technology, the application of computers in machinery mold manufacturing is more and more extensive, and has become the key technology of the machinery mold industry manufacturing reform, improving the quality and efficiency of industrial production. At this stage, China's machinery mold manufacturing industry is in a rapid development stage, but also faces challenges such as technological innovation, lack of talent, production costs.
CNC machining technology refers to the use of digital information on the mechanical mold for automated control of processing technology, computer technology, automation technology, modern control technology, etc. into one, through the programming, processing and control of the mold processing process of the relevant data, to achieve the automated processing of the mold. CNC processing technology has high precision, high efficiency, high degree of automation, processing flexibility and other characteristics, can better meet the needs of modern manufacturing industry. CNC machining technology has a variety of functions:
① multi-axis linkage function, can control the movement of multiple axes at the same time, to realize the processing of complex shapes.
② tool path planning function, according to the shape of the mold and processing requirements, automatically generate the optimal tool path to improve processing efficiency and accuracy.
③ Machining process optimization function, which can automatically select suitable machining process and parameters according to the material and machining requirements of the mold to improve machining quality and efficiency.
④ Online monitoring and control function, which can monitor the processing status of the mold in real time and control the processing process online to ensure the processing quality and precision.
⑤ Intelligent machining function, which can automatically select suitable machining strategy according to the shape of the mold and machining requirements to improve machining efficiency and quality. Sixth, the processing data management function can effectively manage the processing data of the mold, analyze and optimize the processing process.
CNC wire cutting processing technology is based on the principle of electric spark, the use of fine metal wire as a tool electrode, between the wire and the workpiece to apply pulse current, generate electric spark discharge, cutting and processing workpiece.
This technology is a kind of special processing technology, belongs to the non-contact cutting technology, compared with the traditional technology, has a faster cutting speed, and will not produce tool loss, in the cutting of metal billets and other raw materials with high hardness and large size has significant advantages.
In the application of practical operation, firstly, the electrode wire should be selected according to the processing requirements; secondly, the combination of workpiece and electrode wire should be installed; again, after setting the processing parameters such as pulse width, pulse interval and current size; finally, the processing should be started. Since the tension of the electrode wire and the wire travel speed will affect the machining accuracy and surface quality, it needs to be reasonably controlled, and attention should be paid to selecting the electrode wire and machining parameters according to the hardness, thickness and shape of the machined material.
In processing, always keep the working fluid clean and sufficient to avoid problems such as arc and short circuit. At the same time, the waste chips generated during processing need to be cleaned up in a timely manner to avoid affecting the machining accuracy and surface quality.
CNC EDM technology is based on the principle of EDM, using the discharge phenomenon between the electrodes to process the workpiece. This technology can directly use thermal or electrical energy to remove metal materials, the hardness and strength of the processed material is less demanding. EDM technology has excellent working efficiency in manufacturing high-precision, high-hardness, complex-shaped molds, such as plastic molds, die-casting molds, extrusion molds and so on.
When applying CNC EDM technology to process molds, firstly, the electrode should be reasonably selected according to the processing requirements; secondly, the safety of the electrode and workpiece should be ensured, and the positioning and clamping of the electrode need to be accurate and stable to avoid errors in the processing.
Can use fixtures or magnetic suction cups and other tools to fix the electrode; again, should be reasonably set the relevant processing parameters, such as current, voltage, pulse width, pulse interval, processing speed, electrode loss, etc.; Finally, start the machine tool to start processing operations. In the machining process, it is necessary to control the feeding speed and depth of the electrode to ensure the machining quality and efficiency.
At the same time, pay attention to controlling the temperature and pressure during machining to avoid problems such as overheating and deformation. Processing surface quality is an important factor affecting the service life and accuracy of the mold, need to pay attention to ensure that the processing surface finish and accuracy.
CNC turning processing technology is based on the principle of turning, the use of tools and the relative motion of the workpiece processing workpiece. This technology is mainly used in the processing of shaft parts molds, such as positioning slightly, guide rods, etc., through the program setting, complete the knife, knife operation, combined with the drawings required to produce shaft parts within the error range.
When applying CNC turning machining technology, firstly, select the appropriate tool according to the processing material and processing requirements, in order to improve the processing efficiency and quality; secondly, in the process of installing the tool and the workpiece, make sure that the workpiece is firmly fixed to avoid vibration and displacement in the process of machining; once again, reasonably set up the machining parameters, such as the cutting speed, feed and depth of cut, etc., to ensure that the quality of machining; finally, start the normal machining Finally, start normal machining.
During the machining process, pay attention to the correctness and reasonableness of the program writing to ensure the accuracy of the machining path and machining parameters. At the same time, the tool wear should be monitored regularly, and the tool should be replaced in time to ensure the machining quality. In addition, the machining accuracy should be controlled through reasonable machining process and inspection means to ensure the accuracy and quality of the mold.
CNC milling processing technology is based on the principle of milling, through programming to control the movement of the tool trajectory, milling of mold parts, to obtain the required shape and size. This technology mainly completes the milling of the grooves, surfaces and holes of the mold parts, with high precision, is one of the more widely used processes.
Application of CNC milling technology, first of all, according to the mold material and processing requirements to select the appropriate milling tool to ensure the accuracy and reliability of the processing; Secondly, the mold needs to be processed placed in a mechanical fixture to ensure that the mold is securely fixed; again, in the completion of the parameter settings, program preparation is complete;
Finally, start the equipment, under the control of the pre-programmed program, according to the established route to complete the knife Operations, and control the milling cutter speed and milling speed, to ensure the accuracy of the machining mold plane. In the actual processing process, should always pay attention to the milling process, timely detection and treatment of abnormalities in the processing process, in order to ensure the processing quality and operational safety.
At the same time, according to the shape and size of the mold, a reasonable milling path should be planned to avoid interference and collision during processing. In addition, the safety operation regulations of CNC milling machine need to be strictly observed to ensure the safety of operators.
① CNC machining technology using digital control system, can achieve high precision motion control and position control, through precise control of the tool's trajectory and machining parameters, to achieve very high machining accuracy, to meet the strict requirements of mold manufacturing precision.
② CNC machining technology can compensate for the impact of factors such as tool wear and thermal deformation on machining accuracy through the tool compensation function. According to the actual size and shape of the tool automatically adjusted to ensure the stability and consistency of machining accuracy.
③ CNC machining technology can automate machining, reduce the impact of manual operation on machining accuracy, avoid errors caused by human factors, and improve the stability and reliability of machining accuracy.
④ Multi-axis linkage machining technology can realize the processing of complex surfaces, improve machining accuracy and efficiency, by controlling the movement of multiple coordinate axes, it can realize the precise movement of the tool in different directions, and process more complex mold shapes
⑤ CNC machining technology can be equipped with online detection function, real-time detection of errors and abnormalities in the machining process, online detection can detect problems in the machining and correct them in time to ensure the accuracy and consistency of machining precision.
① CNC machining technology can realize automated processing, through the preset processing program and automation control system, CNC machine tools can automatically complete the processing task, improve productivity and processing accuracy.
② CNC machining technology using high-speed spindle and fast feed system, can realize high-speed processing, shorten the processing time, improve productivity. At the same time, high-speed machining can also reduce tool wear and improve tool life.
③ CNC machining technology supports multi-task parallel machining, and multiple machining tasks can be carried out at the same time. Through reasonable task allocation and scheduling, improve production efficiency.
④ CNC machining technology can be adaptively adjusted according to the real-time feedback information in the machining process. By monitoring the machining parameters and tool status, the CNC system can automatically adjust the machining parameters to improve machining efficiency and quality.
⑤ CNC machining technology can realize automatic management and replacement of tools. Through the tool library and automatic tool changer, the tool can be changed quickly to improve the production efficiency.
1. CNC processing technology can realize automatic processing, reduce the need for labor, improve production efficiency and reduce labor costs.
2. CNC machining technology can realize accurate processing of materials through precise programming and control, reduce the waste of materials, and at the same time realize multi-task parallel processing, improve the utilization rate of materials, and reduce the cost of materials.
3. CNC machining technology can realize precise control of jigs and fixtures through programming and control, reducing the number and cost of jigs and fixtures.
4. CNC machining technology can realize high-precision machining, reduce the scrap rate, reduce the waste of materials and labor, and reduce production costs.
5. CNC machining technology can realize rapid programming and machining, shorten the production cycle, and reduce the inventory cost and capital occupation cost. At the same time, CNC machining technology can realize multi-task parallel machining and remote monitoring, improve equipment utilization and reduce the unit cost of equipment.
With the continuous progress of science and technology, mold manufacturing requires more and more precision. In order to meet market demand, CNC machining technology can be used to continuously improve processing accuracy by using more advanced control systems, high-precision machine tools and cutting tools, as well as optimized processing technology.
In order to improve production efficiency, CNC machining technology will continue to optimize the machining process and flow. For example, the adoption of high-speed machining technology, multi-axis machining technology, automated production lines, etc., can improve machining speed and efficiency. In addition, through rational tool selection and fixture design, machining time can be reduced and productivity can be improved.
With the continuous development of artificial intelligence technology, CNC machining technology will also develop in the direction of intelligence. By adopting more intelligent control systems and algorithms, CNC machine tools can realize automated machining and intelligent monitoring. For example, machine learning-based tool life prediction, adaptive adjustment during machining, etc., can improve processing quality and efficiency.
Multi-axis machining technology can realize more complex machining shapes and processes, and improve machining accuracy and efficiency. For example, five-axis machining technology can realize the processing of complex surfaces, while multi-axis linkage machining technology can realize the one-time processing of complex parts.
With the improvement of environmental awareness, CNC machining technology will develop in the direction of green manufacturing, including the use of more environmentally friendly machining processes and materials to reduce pollution of the environment. For example, the use of dry machining technology, water-soluble coolant, etc., can reduce the emission of waste liquid and exhaust gas.
In short, the development trend and prospect of CNC machining technology in the future mold manufacturing is very broad. By continuously improving processing accuracy and efficiency, realizing intelligent and automated processing, as well as adopting more environmentally friendly processing techniques and materials, CNC machining technology will make a greater contribution to the development of the mold manufacturing industry.
Integrating CNC machining technology into machinery and mold manufacture is a critical approach for increasing production efficiency, lowering costs, and improving product precision. China's CNC machining sector is constantly evolving and innovating as science and technology advance and market needs rise. CNC machining service providers are ready to deliver even more intelligent, efficient, and precise solutions in the next years, thanks to Kaiao-RPRT, signaling expanded growth potential for the machinery and mold manufacturing business.