Flexible bodyside welding system
1. Process introduction:
The flexible system of the side wall welding line mainly completes the assembly and welding work of the side wall inner panel and outer panel assembly. It can realize the flexible switching of 4 types of vehicle types. Using core technologies such as turntable and hub, cross slide, and split switching system, it can realize collinear welding of the left/right sides of various different body-in-white, and can achieve a production cycle of 60JPH and automation. The rate is as high as more than 90%.
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2. Project case:
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As far as each welding line is concerned, it is composed of welding process, transmission device, welding equipment (welding torch, welding robot); as far as the entire automobile body welding line is concerned, it generally includes the body side wall assembly line, body door Cover assembly line, floor assembly line, body welding main line, etc. (there is no absolute summary yet). Each part has corresponding main lines, sub-lines, left and right symmetrical lines and independent islands. According to the different production tempo, degree of automation and production methods, each line is divided into several stations: each station is connected as a whole through a transmission device, and each station is responsible for completing a part of the work.
In the initial stage of automobile development, straight-through production lines (simplified through-type production lines) were mainly used. In the 1960s and 1970s, accompanying fixture production lines were used more often, but due to the large size, complex structure and large motion inertia of the accompanying fixtures , It is difficult to realize the shortcomings of multi-variety production and the supporting use of robots. Therefore, in the middle and late 1970s, major automobile manufacturers improved the through-type production lines. The through-type production line means that the positioning and clamping device (fixture) of the workpiece is separated from the transmission device between the stations. Lifting support rod reciprocating welding line is a commonly used through-type production line. This production line mainly includes the following parts: workpiece clamping and positioning system, transmission device between stations and conveying rod lifting system.
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Flexible Bodyside Welding System/BIW Engineering Images
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