In the design and manufacturing process of Petrol Car, welding, final assembly and painting are the core tasks of body manufacturing. In welding, the Petrol Car welding fixture is the main factor to ensure the welding quality of Honda Car bodies. It is an important part of the welding process and can ensure that the shape, size and accuracy of the Petrol Car body meet the technical requirements of the product drawings.

Composition of the Petrol Car welding fixture: The Petrol Car welding fixture is an auxiliary means in product production. It is a general term for process equipment used for assembly and welding. It includes a guide device that guides the welding gun or workpiece, and can quickly and accurately position the workpiece. and fixed in a given position. Welding fixtures are indispensable auxiliary equipment for welding metal structures and an important part of welding technology. They mainly play the role of maintaining and ensuring that the shape and size of welded products comply with the requirements of product drawings, facilitating welder operations and improving work efficiency. The welding fixture mainly consists of self-made parts, standard parts and purchased parts. The self-made parts mainly include support blocks, clamping blocks, templates, etc. The standard parts mainly include pins, angle seats, reference blocks, adjustment washers, etc. The purchased parts are mainly cylinders and various bushings. The core and most common structural parts include support blocks, clamping blocks, templates, corner seats, adjustment washers, etc. Therefore, before designing a welding fixture for a Petrol Car, it is necessary to fully understand the welding process of the car body and the structural characteristics of the welding fixture, and reasonably conduct solid modeling, call standard parts, and select outsourced parts.
(1) For body parts and assemblies that should be interchangeable after stamping parts are welded, matching parts of the body should be used, especially the shape and size of the holes should meet the technical requirements.
(2) Assembly, positioning and clamping can be carried out quickly and accurately, and the welded parts should be easy to operate. After loosening the clamping mechanism, the weldment can be easily removed from the fixture, which is safe and reliable.
(3) When designing the fixture, attention should be paid to the parts of the fixture that have problems such as conductivity and insulation to improve the assembly and welding quality of the car body.
(4) Due to the complex structure of the car body, the design of positioning parts and clamping parts should fully consider the processing technology, generalization and standardization of the parts, so as to facilitate the replacement of wearing parts and restore the original design accuracy.
(5) The assembly and welding fixtures of the body assembly are complex and bulky, and it is often necessary to adjust the sample frame for adjustment and correction during manufacturing and use.
