Online test system of friction stir welding

A friction stir welding and online testing technology, applied in signal transmission systems, electrical signal transmission systems, measuring devices, etc., can solve problems such as low efficiency, cumbersome operation, complex structure, etc., and achieve simple operation, simple operation, and accurate and simple measurement. Effect

Inactive Publication Date: 2010-12-29
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] The purpose of the present invention is to solve the unreasonable problems such as single function, complex structure, cumbersome operation, low efficiency and high cost of the existing fric

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  • Online test system of friction stir welding
  • Online test system of friction stir welding
  • Online test system of friction stir welding

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] like Figure 1-2 shown.

[0023] A friction stir welding online test system is characterized in that it is mainly composed of a signal induction platform 1, a signal conditioning system 2 and a data acquisition system 3, such as figure 1 As shown, the signal sensing platform 1 includes two symmetrically arranged force-measuring octagonal rings 1-1 (such as figure 2 ), a vibration sensor 1-2 and a temperature sensor 1-3, two force-measuring octagonal rings 1-1 are symmetrically fixed on opposite sides of the base 1-4, and each force-measuring octagonal ring 1-1 is provided with a bell Shaped horizontal through hole 1-6, that is, there is a sub-bell-shaped hole on the longitudinal section surface of each force-measuring octagonal ring 1-1 (the round holes at both ends are connected through a flat hole), and the force-measuring octagonal ring...

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Abstract

An online test system of friction stir welding (FSW) comprises a signal sensing platform, a signal conditioning system and a data acquisition system and is characterized in that the signal sensing platform takes force-measuring octagonal rings as bodies, respectively fixes a vibrating sensor and a temperature sensor on the bodies and integrates multiple sensors; the signal conditioning system has the function of simultaneously processing multi-channel different voltage signals; the invention amplifies, filters and compensates the acquired electric signals for the acquisition system to acquire; and the data acquisition system is self developed and integrates data acquisition, display and storage. The system integrates temperature detection, three-dimensional force detection and vibration detection, realizes synchronous online test of important parameters of FSW and has the advantages of accurate test, simple structure, simple and convenient operation, low cost, etc.

Description

technical field [0001] The invention relates to a mechanical engineering testing technology, in particular to a system for testing temperature, vibration and welding three-dimensional force during friction stir welding, in particular to an online testing system for friction stir welding. Background technique [0002] At present, friction stir welding, as a new type of solid-phase joining technology, has unique advantages in aluminum alloy welding. These technical characteristics of friction welding make it rapidly develop into a new type of industrial connection technology that can replace fusion welding technology in the manufacturing process of aluminum alloy and other light metal structures. At the same time, it has also become a hot spot in engineering research in recent years. A large number of welding experiments and related simulations Research work was carried out. [0003] With the continuous development and wide application of friction stir welding technology, the...

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Application Information

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IPC IPC(8): G01K7/00G01H1/00G01K1/00G08C19/00B23K20/12B23K20/26
Inventor 左敦稳汪洪峰王吉胜黎向锋董学伟邵定林
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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