Starting from the influence of brazing clamp on brazing, what we should be especially considered in the brazing clamp design is analyzed by practical examples.

Aimed at detecting dimensional deviation in auto body assembly process of welding fixture, this paper proposes coordinate transformation model based on auto body coordinate system, and develops an real-time detection and adaptive control system using eddy current sensor and an adaptive adjustment device.

Application of automatic NC programming on the hole making of welding jig base;

The paper classified welding jigs and their interferences,explained their parametric design methods.

In order to improve the standardization degree of welding jig parts as well as their design efficiency and quality, the concept of‘Research on the Intellectualized CAD System Knowledge-Based of the Automobile Body Welding Line’is put forward.

It introduces the installation method of this welder in detail and the difference between semi-automatic welder about installation,including installation of welding jig and welding carriage.

Special welding jig and intelligence of arc welding robot are the hotproblem researched in the field of engineering technology at all time in recentyears.

The NC bend tube welding jig is the key of the NC bend tube’s quality.

Investigation of three-dimensional dynamic simulation of welding fixture;

The case-based and knowledge-based design strategy is put forward for the scheme design of welding fixture.