Overview
Since the reform and opening up, with the rapid development of the national economy, the market demand for hollow blow molding machines has continued to grow.
In recent years, the hollow blow molding machine industry has been developing rapidly with a growth rate of about 15%. The production of hollow blow molding machine industrial enterprises has also undergone tremendous changes. In addition to the state-owned professional blow molding machine factory, collective, joint venture, sole proprietorship and The private sector has also developed rapidly.
With the accelerating pace of international integration and increasing market competition, people have become increasingly aware of the importance of product quality, cost and product development capabilities. The manufacture of hollow blow molding machines is one of the most basic elements in the entire chain. The manufacturing technology of hollow blow molding machines has become an important indicator to measure the level of manufacturing in a country, and to a large extent determines the living space of enterprises.
In recent years, many hollow blow molding machine companies have increased their investment in technological advancement and regarded technological progress as an important driving force for enterprise development. Some domestic blow molding machine companies have popularized two-dimensional CAD, and have begun to use international software such as UG, Pro/E, I-DEAS, and Euclid-IS. Some manufacturers have also introduced CAEs such as Moldflow, DYNAFORM, Optris and MAGMASOFT. Software and successfully applied to the design of stamping dies.
The manufacturing technology of large-scale stamping blow molding machine represented by automobile cover hollow blow molding machine has made great progress. The blow molding machine manufacturers such as hollow blow molding machine factory of automobile company have been able to produce some car cover hollow blow molding machine. .
In addition, many research institutes and universities have conducted research and development of hollow blow molding machine technology. After years of hard work, significant progress has been made in the CAD/CAE/CAM technology of hollow blow molding machines, contributing to the improvement of the quality of hollow blow molding machines and the shortening of the design and manufacturing cycle of hollow blow molding machines.
2. Development trend of future manufacturing technology of stamping blow molding machine
The development of hollow blow molding machine technology is the service requirement of “blow delivery time”, “high precision”, “good quality” and “low price” for hollow blow molding machine products. To meet this requirement, it is urgent to develop the following items:
1. Fully promote CAD/CAE/CAM technology
Hollow blow molding machine CAD/CAE/CAM technology is the development direction of hollow blow molding machine design and manufacture.
With the development and advancement of microcomputer software, the conditions for popularizing CAD/CAE/CAM technology have been basically mature, and enterprises will increase the intensity of CAD/CAM technology training and technical services to further expand the application range of CAE technology. The development of computers and networks is making it possible to promote CAD/CAE/CAM technology across the region, across enterprises, and across campuses, and to realize the integration of technical resources to make virtual manufacturing possible.
2. High speed milling
The high-speed milling processing developed in recent years has greatly improved the processing efficiency and achieved a very high surface finish.
In addition, it can also process high hardness modules, and has the advantages of low temperature rise and small thermal deformation. The development of high-speed milling technology has injected vitality into the manufacture of large-cavity hollow blow molding machines in the automotive and home appliance industries. At present, it has developed toward a higher agility, intelligence and integration.
3. Hollow blow molding machine scanning and digitizing system
The high-speed scanner and hollow blow molding machine scanning system provide many functions required from model or physical scanning to processing the desired model, greatly shortening the development cycle of the hollow blow molding machine.
Some fast scanning systems can be quickly installed on existing CNC milling machines and machining centers to achieve fast data acquisition, automatic generation of various CNC system processing programs, CAD data in different formats, for hollow blow molding machine manufacturing. "Reverse Engineering".
Hollow blow molding machine scanning system has been successfully applied in the automotive, motorcycle, home appliances and other industries, I believe it will play a greater role in the future.
4. EDM milling
EDM milling technology, also known as EDM, is a new technology that replaces traditional machining of shaped cavities with high-speed, simple, tubular electrodes for 3D or 2D. Contour machining (like CNC milling) eliminates the need to make complex shaped electrodes, which is clearly a major development in the field of EDM. In foreign countries, machine tools using this technology have been applied in the processing of hollow blow molding machines, and this technology is expected to be developed.
5. Improve the standardization degree of hollow blow molding machine
The standardization degree of hollow blow molding machines in China is constantly improving. It is estimated that the coverage rate of standard blow molding machines in China has reached 30%, and the developed countries generally have about 80%.
6. Quality materials and advanced surface treatment technology
It is necessary to use high-quality steel and apply the corresponding surface treatment technology to improve the life of the blow molding machine. Heat treatment and surface treatment of hollow blow molding machines are the key to fully exploit the performance of hollow blow molding machine steel materials.
The development direction of heat treatment of hollow blow molding machines is vacuum heat treatment. In addition to improving the existing technology, the surface treatment of hollow blow molding machines should develop advanced vapor deposition (TiN, TiC, etc.), plasma spraying and other technologies.
7.Blowing and polishing of hollow blow molding machine will realize automation and intelligence
The quality of the surface of the blow molding machine has a great influence on the service life of the blow molding machine and the appearance quality of the parts. Researching automated, intelligent grinding and polishing methods to replace existing manual operations to improve the surface quality of hollow blow molding machines is an important development trend.
8. Development of automatic processing system for hollow blow molding machine
This is the goal of China's long-term development. Hollow blow molding machine automatic processing system (FMC and FMS system) should have reasonable combination of multiple machine tools; equipped with accompanying positioning fixture or positioning plate; complete machine tool and tool CNC library; complete CNC flexible synchronization system; quality monitoring Control system, etc.