What are the main design suggestions for fixtures and Jigs tooling?

Fixture refers to the device used to fix the processing object in the process of mechanical manufacturing, so that it can occupy the correct position to accept construction or inspection, also known as fixture (qiǎ jǜ). Broadly speaking, in any process in the process, a device used to quickly, conveniently and safely install a workpiece can be called a fixture. So, what are the main design suggestions for stamping precision metal processing production fixtures?
  Most welding tooling is specially designed for the assembly welding process of a certain welding assembly. It is a non-standard device and often needs to be designed and manufactured according to the characteristics of the product structure, production conditions and your actual needs. Welding tooling design is one of the important contents of production preparation, and it is also one of the main tasks of welding production process design.
   For manufacturing industries such as automobiles, motorcycles, and airplanes, it is no exaggeration to say that there are no products without welding tooling. Through the process design, the required tooling types, structural sketches and brief descriptions are put forward, and on this basis, detailed structure and part design and all drawings are completed.
 The quality of tooling design has a direct impact on production efficiency, processing costs, product quality, and production safety. For this reason, practicality, economy, reliability, and artistry must be considered when designing welding tooling.
  In the process of mechanical design and manufacturing, the problem of dimensional chain is common. In the process of assembling parts into a machine, that is, the relevant dimensions on the parts are combined and accumulated. Due to the manufacturing errors in the size of the parts, there will be integration and accumulation of errors during assembly. The total error formed after accumulation will affect the performance and quality of the machine. This forms the mutual influence between the dimensional error and the comprehensive error of the part. Design fixtures are no exception. It is very important to reasonably determine the dimensional tolerances and geometric tolerances of parts.
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