The friends who know about precision parts processing know that precision processing is a very strict process, no matter for cutting or other processes, or precision, size is a very strict process. So what requirements and standards should be followed to ensure low or even zero defect rate when machining precision parts? The following sections will introduce the specific requirements and standards for precision parts processing:
For precision parts processing, there are strict requirements on the size, such as the diameter of the cylinder. Only qualified parts with positive and negative errors within the specified requirements, otherwise they are unqualified parts; There are also specific and strict requirements for length, width and height, and there are also provisions for positive and negative errors. For example, if the diameter of an embedded cylinder (take the simple basic component Z as an example) is too large and exceeds the allowable range of errors, it will cause the situation that it cannot be inserted. If the actual diameter is too small and exceeds the lower limit of allowable negative values of errors, it will cause the problem that the insertion is too loose and not firm. These are unqualified products, or the length of the cylinder is too long or too short, which exceeds the allowable range of error. All these are unqualified products, which will be scrapped or reprocessed, which will inevitably lead to increased costs.
