Self-piercing riveting is a relatively new process for joining sheet metal, forming a connection between the sheet and the rivet, without the need for pre-punching. Instead, the solid rivet is used as a punching tool High-speed mechanical connection process.
First, Self-pierce riveting equipment status
In 1985 the founder of HENROB company Kean. Jones developed and produced the world's first set of Self-pierce riveting equipment, and gradually for a large number of customers in different industries to provide riveting equipment and the corresponding services. Riveting systems have been developed in succession and are used in large enterprises such as Audi, BMW, Jaguar, Volvo, GM, Ford and Daimler. There are various forms of Self-pierce riveting equipment, and we can classify them from the following aspects:
1, according to the control mode: automatic control and manual control
2, according to the driving method points: the wider use is the electric servo drive, but also some of the hydraulic drive mode, and the riveting force of the lower requirements of riveting machine using mechanical transmission mode
3, according to the layout of points: a fixed arrangement and hanging arrangement
4, according to the riveting machine frame form points: C-frame and E-frame
5, according to the way for the supply of rivets: belt for the nail and reminders for the nail
At present, China's self-piercing riveting technology research work is not carried out in depth, the relevant literature is not much, there are few domestic research institutions and automotive manufacturers of riveting equipment, systematic research, although the self-piercing riveting is the last dozen But the self-piercing riveting process with its many advantages quickly in foreign production enterprises are widely used in 93 years, the Audi A8 car body for the first time since the application of riveting technology riveting. Therefore, China's urgent need to carry out Self-pierce riveting equipment related to product development and development work.
Second, Self-pierce riveting equipment development prospects
Because self-piercing riveting has the advantages of simple process, one-step connection, fast connection, mechanical automation, suitable for connection between different raw materials, no smoke and heat, low noise, etc, which has been widely used in automobile manufacturing. Self-pierce riveting equipment will continue to improve, I believe Self-pierce riveting equipment will be more and more popular with customers of all ages, self-piercing riveting technology will continue to explore in the Gradually improve.
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