Precision stamping technology is an evolution of standard stamping techniques.
It involves enhancing the guiding precision of the punch and die, reducing the clearance between the male and female molds, increasing reverse ejection pressure, and V-ring edge crimping pressure.
Under intense tridirectional compression stress, precision stamping is achieved and can be combined with other compound forming processes to produce precision stamping parts with higher dimensions and surface roughness than standard stamping.
With industries such as telecommunications, automotive, equipment, and consumer electronics undergoing transformations and upgrades like a spring harvest after rain, the demand for key components necessary for intelligent manufacturing, such as signal collection, connection, transmission, control, execution, motors, and electrical appliances, has dramatically increased.
As product quality becomes more precise and component size decreases, precision stamping technology has found extensive application and development.
Many businesses are utilizing precision stamping technology for small, high-precision, complex-structured precision parts, ensuring not only the shape, size precision, and consistency of the processed components, but also an improved response rate to customers, higher production efficiency, and overall business benefits.
Advantages of Precision Stamping Technology
Precision stamping technology, an indispensable advanced manufacturing technology in modern production, involves multiple high-tech fields such as precision press technology, high-precision stamping mold technology, material technology, high-performance die technology, mold material technology, and intelligent control technology.
It is highly valued by all industrial production sectors in the national economy. Currently, advanced manufacturing technology is the research and development focus worldwide, especially in our highly globalized economy.
Precision stamping technology holds a crucial position due to its distinct advantages compared to other manufacturing techniques.
High Quality Components
Precision stamping improves the guiding precision of the press and die, the manufacturing precision of the mold, and reduces the clearance between the male and female molds.
It greatly enhances the dimensional accuracy and surface roughness of the punched cross-section of components when combined with the lubrication and cooling provided by precision stamping oil, resulting in very high-quality processed components.
Precision stamping molds use special mold materials and heat treatment processes, giving them high dimensional accuracy and a lifespan over ten times longer than standard stamping molds.
This results in high consistency in the dimensional accuracy, shape, and positional accuracy of the processed components, improving the interchangeability of components, reducing measurement selection during assembly, and ensuring product consistency.
High Production Efficiency
Compared to standard stamping, precision stamping improves the dimensional accuracy, shape, and positional accuracy of components, reducing subsequent precision processing procedures, saving processing time on other equipment, and reducing the number of times intermediate products are turned over.
It significantly shortens the manufacturing cycle of components and reduces capital occupation, greatly enhancing the overall economic benefits of the enterprise.
High-speed precision presses have been developed domestically and abroad for specific industries, producing parts with high precision, good surface quality, and long mold life.
High Degree of Automation
Precision stamping combines high-precision stamping mold technology with intelligent control technology and stamping automation technology, significantly reducing personnel dependency.
This not only improves working conditions and reduces costs but also ensures personnel safety during stamping production, changing the concept of stamping production.
Therefore, precision stamping and stamping automation have been widely used in various manufacturing fields such as electronics, communications, motors and electrical appliances, instrumentation, household appliances, automobiles, and military industries.
It is increasingly seen by many entrepreneurs as an important means to enhance enterprise core competitiveness.
Good Comprehensive Benefits
The precision stamping technology have excellent applications in real-world manufacturing. The products manufactured in bulk using high-speed precision stamping technology not only have high quality, good consistency, and high production efficiency, but also save manpower, reduce energy consumption, shorten manufacturing cycles, and reduce capital occupation under the push of stamping automation.
This enhances the economic benefits of enterprises and is increasingly accepted and recognized by them.
Over the past decade, with the widespread application of multi-station presses and multi-function stamping dies, especially in the automotive industry, multi-station presses have reduced the work that originally required several process equipment to be completed to one or two, optimizing the stamping process and reducing the number of stamping equipment.
Precision stamping technology has seen unprecedented development in the automotive industry.
For instance, the traditional two-time stamping process, due to the cold hardening caused by deep drawing, could not remove wrinkles.
After adopting precision deep drawing, not only can the generation of wrinkles be suppressed, but subsequent processes can be reduced, lowering the investment cost of equipment and material costs, and enhancing economic efficiency.
Application of Precision Stamping Technology
Some industries have organically integrated precision stamping with stamping automation technology, greatly improving stamping productivity and enterprise benefits.
The widespread technology of automotive, electronics, communications, motors, electrical appliances, and household appliances can no longer meet the manufacturing process and technology requirements of modern products, because the parts manufactured by precision stamping technology have good quality, high efficiency, and good economic benefits.
It is widely applied across various sectors of society.
Applications in the Automotive Industry
In recent years, under the global environment of energy conservation and emission reduction, automobile lightweighting has become an inevitable trend.
With the rapid development of automotive industry and the continuous increase in the market share of new energy vehicles, as well as the popularity of high-strength special steel that can meet the lightweighting requirements of automobiles, precision stamping forming technology has been widely applied to automotive engine systems, transmission and clutch systems, seating systems, interior systems and other structural and functional parts.
According to data from related industry associations, the precision stamping steel usage per passenger car in many developing countries is 12-15kg, while in developed countries it is about 20-22kg.
In the future, with the maturation of precision stamping technology and the reduction in the cost of precision stamping equipment and molds, the usage of precision stamping steel per passenger car will approach or exceed the level of developed countries, and precision stamping technology will receive wider application and development.
Applications in the Motor Industry
The iron core is a crucial component and the heart of the motor, typically composed of multiple layers of 0.35mm and 0.5mm thick silicon steel sheets.
Therefore, in the entire manufacturing process of the motor, the quality and consistency of the silicon steel sheet iron core become particularly critical.
Techniques such as automatic riveting of silicon steel sheets, triple row silicon steel sheets with twisted grooves, silicon steel sheets with twisted grooves and rotary riveting, double rotary riveting of silicon steel sheets, semi-circular combination riveting of stator silicon steel sheets, and multiple combination riveting of stator silicon steel sheets are used in the motor industry.
These processes employ high-speed precision stamping technology, and their high-speed precision stamping equipment and techniques have essentially reached the level of developed countries, significantly advancing the technical progress of the motor industry.
Applications in the Integrated Circuit Industry
In the integrated circuit industry, precision stamping technology is even more prevalent. Serving as the carrier lead frame of the semiconductor chip, it is characterized by high precision, small size, thin material, large volume, and extremely stringent quality and consistency requirements for parts.
Given the characteristics of the semiconductor lead frame, high-speed precision stamping technology is adopted, mainly composed of a high-speed precision press, precision progressive die, material rack, feeding mechanism, guiding mechanism, finished product collection mechanism, and control system to form a precision stamping production line.
The minimum requirement for the spacing between two leads is 0.17mm, and the flatness must be controlled within 0.01mm, which demands high technical requirements.
Depending on the size and characteristics of the parts, 80~120 tons of high-speed precision press is generally used for production, with 350~500 punches per minute.
The technology of this kind of precision stamping equipment has become very mature and has been widely applied in the semiconductor and integrated circuit industries.
Trends in the Development of Precision Stamping Technology
With economic development and technological advancement, precision stamping technology is evolving towards precision, high speed, flexibility, networking, integration, digitization, intelligence, low carbon environmental protection, and globalization.
As science and technology continue to evolve, precision stamping equipment is gradually moving towards intelligence.
With advanced artificial intelligence and automatic measurement technology as a foundation, precision stamping equipment has high logical and decision-making capabilities, enabling effective control and adjustment of precision stamping targets.
With the development of intelligent manufacturing technology, researchers of precision stamping equipment should deeply explore the field of intelligence, which is the future direction of precision stamping technology.
The progress of modern technology is making all types of products smaller, with higher demands for size accuracy, shape accuracy, and strict quality requirements. This trend indicates that future products will have more precise requirements.
Smaller size, easier usage, and lower energy consumption will enable precision stamping technology to have a wider application in many fields, such as biotechnology and the medical industry.
In the research and exploration of researchers, precision stamping technology conforms to this development trend.
Precision stamping technology and equipment need to be combined with computer technology during development, requiring higher quality and more comprehensive functions in the research and development process.
In particular, with the development of information interconnection technology, many new control technologies are maturing and need to be gradually applied in precision stamping equipment, among which remote control equipment technology is relatively mature.
In future research and development, internet technology must be implemented to adapt to the development of future intelligent manufacturing.
The precision press machine is an important device in precision stamping, and with the continuous development of new products and technologies, it will gradually evolve towards modularization.
The diversity and complexity of products are constantly increasing the scale of manufacturers of precision stamping equipment.
To adapt to the variability of products, precision stamping equipment should gradually achieve modularization. During the development of new products, a reasonable standard series should be divided.
The full use of standard modules in product development ensures the consistency of product interface dimensions and the completeness of product functions.
At the same time, the reasonable configuration of control units and automatic detection units should be increased, and their functions continuously perfected.
In summary, precision stamping technology has many advantages over other processing techniques and has been extensively applied in many fields, such as in the automobile industry, in the motor industry, and in the semiconductor industry.
The use of many different technologies not only improves the application efficiency of precision stamping technology but also broadens its application range.
With the rapid development of science and technology and the continuous emergence of scientific theories, it is necessary to continuously improve and update precision stamping technology to meet the development needs of future new products, new technologies, and new processes, and to conform to the development direction of intelligence and networking.
With the vigorous development of manufacturing, the research and development of a new generation of precision stamping technology will inevitably become the development trend of future manufacturing.