Machine Tool Overhaul and Numerical Control Transformation Discussion Kaixin Electromechanical Engineering Co., Ltd. Su Xinyu is well known that machinery manufacturing has an important position as a basic industry in the development of the world economy. To this end, economists and entrepreneurs in the world are constantly exploring various advanced manufacturing technologies and manufacturing development strategies in the new situation. In China, because of manufacturing industry as an equipment industry, the status and ambiguity for the national economy Car Ding. Industry electronics Ding. The industrial construction industry is listed as a pillar industry of the country. As the core industry of manufacturing, the machine tool manufacturing industry is also entering a new period of development.
The origin of the project is a developing country. Due to the long-term mechanism of the body, the economic and cultural strength is too low, and the backward equipment is outdated. It takes a long time to catch up with the development of the machinery manufacturing industry in the advanced countries of the world. Since the 1970s, China has changed the status of machinery manufacturing. Various types of CNC machine tools have been introduced from abroad. The CNC system is basically a numerical control product of Ximen FANUC and other 3 dry-phase CNC products, and some machine tool companies have developed the contention CNC products. These CNC products, including the drive position measuring system products, have been in the long-term, and have entered the fault-prone period. The micro-electronic product update speed is fast. Most of the original CNC drive products have stopped production, so the spare parts supply is also The source of the dragon, even if there are some discontinued systems, there are spare parts supply, the price is very expensive, and it is quite awkward to find a supply ramp. Take the 1st, 1st, 5th, and 18th systems as an example, the system is discontinued. Spare parts are still available, but the price of spare parts is about RMB 340,000. Users have to pay a high price to ensure the continued operation of these machines, and they are in danger of stopping production at any time.
There are still many domestic users. After purchasing the advanced CNC machine tools at the time, the sub-enterprise technical training level operation asked for the lack of suitable objects, which caused the equipment to be put on hold for many years, so these users are eager to put these The machine tool was updated and modified to put people into normal operation.
Since the reform and opening up, many companies have entered a large number of mobile phone bed equipment and production lines. It seems that due to lack of experience, lack of information, lack of technology, lack of spare parts and other aspects of the products, these hand equipments are not able to operate normally, even for a long time. Shelved. These companies are eager to renovate and upgrade these equipments and make full use of them.
Most of the machine tools in most of China's enterprises are in service for ten years. The equipment is too old and the company is unable to introduce new equipment in large quantities due to the restriction of funds. Therefore, it is urgent to supplement the approved and applicable hand equipment to improve the existing equipment status. It is also urgent to carry out new transformations.
Therefore, it is not difficult to conclude that using advanced control technology in the world, investing less capital, and renovating old and used machine tools to meet the needs of the company's recent development is a very heavy and necessary means.
The form and characteristics of the old machine tool modification 1. The machine tool transformation of the child-shaped shape of the old machine tool transformation form from the content. Speaking 1 is the mechanical overhaul repair; it can be the numerical control system or even the upgrade of the spindle coordinate drive system; it can be the numerical control of the ordinary machine tool; it can be the ordinary relay logic B, the programmable logic controller transformation; It can also be a combination of various modifications.
The advantages of the old machine tool, the transformation of the smelting transformation, the refurbished machine Song has the following advantages compared with the purchase of the new machine tool. In particular, the advantages of large machine tools and special purpose machine tools are more obvious.
The performance is more stable. The design risk is much smaller, the castings will hardly produce stress deformation after long-term aging, and the functional components will be worn for a long time and have good functional stability.
It can more fully present the user's wishes, from the CNC system to be replaced to the machine tool components have a greater choice, and 1 in the direct intervention of the transformation program or even the transformation of the design and debugging.
It gives users more choices in terms of increased performance.
The user directly supervises or participates in the transformation, 4 directly obtains the use. Maintenance information, more in-depth, structural characteristics of the machine tool.
The leaves get the latest spare parts faster.
The socialization specialization trend of equipment maintenance and transformation work The numerical control transformation and renovation of the machine tool is not only a necessary and important behavior in the current economic transition period, but also a long-term strategic development measure for enterprise development.
At present, in the age of knowledge and economy in the 21st century, most enterprises in China are facing the transition of enterprise restructuring to enter the market economy and quickly integrate into the old world. The leaders of our enterprises need to concentrate all their strengths to face these challenges. Enterprise grouping and decentralized networking within the group. Autonomy. Parallel work, new organization, production structure, sensitive manufacturing technology, virtual manufacturing technology, sustainable manufacturing technology, green manufacturing technology, etc., a series of new technical theories, all need to be vigorously = 1 to study, to develop marketable products, to quickly improve the market Responsive ability; gather human and financial resources to improve the market competitiveness of the company, give full play to its own advantages and create as much value as possible at the fastest speed = the enterprise can no longer have a large and comprehensive maintenance under the planned economic system. Team. Therefore, the socialization of maintenance and transformation has become an inevitable trend.
In foreign countries, the transformation and renovation of machine tools is an emerging industry that has recently developed, and has established a factory scale and field in advanced countries.
In my network, this industry has just emerged.
According to the conditions that should be met, there is still a long way to go, but the people of insight in the industry are trying to shape themselves and perfect themselves. I believe that in the near future, the specialized enterprises that have the conditions and regulations will be upgraded and rebuilt. The selection of the machine tool modification plan technical feasibility analysis If the aim of the transformation target and the original design of the machine tool is reasonable, whether the basic components and structural parts of the machine tool are still intact; live, the machine is changed to CNC machine tool. Investigate the mechanical transmission structure of each coordinate axis and the precision of the guide rail sub-measuring machine. The current precision and the factory precision are compared to find the gap; the current faults of the machine tool and the major faults that have occurred in the history; According to the transformation of the 1 standard and the addition of typical workpieces, the transformation and transformation tasks to achieve the advanced and practical machine tools.
Economic Feasibility Analysis This work has discussed qualitative and quantitative questions. Here are just a few of the considerations that should be considered from the practical operability. The value of the machine tool should be considered. Whether the person is too high; the machine tool in the production of the unit of the machine tool production rate 1 estimated, whether it can be faster, investment, and then quickly produce better benefits; machine tool transformation, machine tool accuracy increased performance Whether it can make the unit's products lift water or can benefit the development of new products, so as to obtain additional benefits.
Whether the source of funds for reconstruction is reliable.
This is a very critical question. If you choose well, you can successfully complete the transformation task and achieve the transformation goal. If the choice is not good, then + is only the failure of the machine tool transformation, and it will not be able to achieve the transformation, and it will also waste capital and time and affect production. The user can modify the machine tool as the end user of the machine tool according to the later discussion. The manufacturer must first confirm the condition of the machine's mechanical and hydraulic system. Such as the accuracy of the machine tool before 0; the condition of the mechanical transmission chain; the condition of the wire hitting 1. the guide rail; no major failure to determine that the machine tool is a major repair.
If the original non-CNC machine tool is to be changed to CNC machine tool, the first thing to consider is the feasibility of mechanical modification. The most important thing is the installation of the ball screw. In addition, it also includes the feasibility of installation of the servo motor and the installation feasibility of the viewfinder system.
When doing the CNC machine tool transformation plan, Zha Hu Ding selects the CNC system according to the state of the machine tool and the process requirements.
It is the choice of CNC manufacturers, 1 performance and good reputation in the former belly, Siemens Germany FANUC Japan Ling Japan. 6 Meitian Japan FAGORgHtifBOSCH, users can carefully understand the characteristics of the above-mentioned manufacturers' CNC system and the price ratio of the above-mentioned manufacturers, and the engineering company that implements the transformation, choose a suitable CNC system.
Modern machine urine, according to the function of the machine tool, choose the type of the corresponding control system, so that it can meet all the functions of the machine tool without raising the standard.
We recommend that the enterprise choose the CNC system. Be special, pay attention to the model series of a famous manufacturer, so that it is beneficial to the maintenance and spare parts and is conducive to management. Ding Wan does not make the CNC system of the enterprise into the Wan Guo brand; pay attention to the maintenance of the selected system manufacturers in China. Service conditions, so as not to be in the future; suffering from infinity.
The CNC system selected, 7, with Guang 1 according to the condition of the machine tool, decided to replace or not replace the drive system. If it is not replaced, it must be confirmed that the old drive system and the CNC system can be matched.
For the machine tool measurement system, the current CNC system requirements are incremental å¿’ pulse code input, so the measurement components such as the induction synchronizer or the resolver used in the old machine tool need to be replaced by an additional pulse encoder scale.
For the peripheral circuit, the transformation can be adopted, the two types of connection modification, that is, the peripheral relay circuit is retained, only the modification, the new, does not participate in the peripheral circuit control, only processes, the required command nickname.
It is completely remodeled. In the case where the relay logic is more complicated, the failure rate is higher, and the user can provide it, the logic of Chu can be used with the new one. 1 The peripheral circuit is completely modified, the peripheral circuit is simplified, and the rational use is made. Some, the required nickname, the capacity of 1 is very small, so that only one-to-one transformation, the control has a relatively large surplus.
Therefore, the installation of the motor, according to the actual machine tool, determine the installation mode of the motor, the position of the motor junction box of the flange 1 shaft extension direction, etc., and some ordering auxiliary parameters of the motor can be determined.
It, the installation of the test 1 system, such as the choice of the structure of the motor built-in encoder, the motor is installed to determine, it is also determined; the outer casing requires a flexible coupling. Installation of the clip, cable routing direction and length considerations; for the scale of the scale, the ampoule fits the ampoule. It is an important task to consider the implementation of the project, such as the impact of the installation temperature. The following conditions should be met for the construction of the project.
The key to a complete and efficient technical support system is the human factor. The company should have support including mechanical electro-hydraulics. Process tooling and other comprehensive design with many years of experience. manufacture. As for the assembly and commissioning of an experienced team of engineers, it is also necessary to carry out on-site construction teams capable of playing hard.
The key to the management model under the conditions of a market economy is the human factor. Abandoning the obstacles in the management of enterprises under the conditions of planned economy, the organizational form and management methods of individual enthusiasm, and the ability to quickly respond to market demand through the above comprehensive consideration, the construction team has been selected, the details of the technical plan are determined, and the order list is It can list the attitudes of users and engineering companies, and comprehensively consider the two aspects of cost reduction and reliability assurance, determine the domestic and international order list, and sign the transformation contract = when ordering, Cheng Ren 4, 4 began to carry out system machine, overhaul and electrical software. Real room debugging.
This is the key to the success of the transformation, Ding. At this stage, the squatters complete the machine package, adjust, and finalize the CNC system to prepare the test drive system.
There are usually two standard test pieces for content testing. According to international standards, different types of machine tools have corresponding standard test boring procedures; the machine tool tempering is verified according to the low level of measurement in each factory. The user of the condition can use the laser interferometer to enter the wide measurement, so that the compensation of the machine tool 8 measurement system can be performed by using the obtained data. Thereby improving the accuracy of the machine tool.
After the acceptance check, the technical data needs to be sorted, archived and provided to the user, and the user must be technically trained and guaranteed. The CNC machine transformation of the old machine tool is in the ascendant, in me! The former situation will transform and upgrade a large number of faulty machine tools, especially large-scale CNC machine tools, precision machine tools and hand equipment. With fewer investors, these devices will be effective in economic development as soon as possible to create benefits. It is the struggle of many enterprises that cannot ignore the development of the CNC machine tool transformation and renovation industry.
Facing the tide of the market economy and meeting the challenges of the two-legged economy, Kaipu Electromechanical Engineering Co., Ltd. is actively pursuing the concept of enterprise acceptance, raising the management level, striving to develop itself, and continuously improving in the existing business areas. The level of technical service, open up a broader market, and at the same time explore new and vast users to make better and deeper services, and continue to grow and grow, éº
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