We look at the Non-standard parts name, and we know that it is different from the processing of ordinary parts. This kind of process is generally only needed if it is needed.
in this case, we must understand what kind of processing method is before choosing this processing method. To understand what his advantages and disadvantages are, then let's take a look at what non-standard parts are like. processing methods ?
Non-standard parts processing following:
We know that Non-standard parts are proposed relative to Standard parts, so we need to know what is called standard parts before we understand non-standard parts.
Standard parts refer to commonly used parts, Such as: Threaded parts, Rolling bearings, etc.,
which are fully standardized in terms of structure, size, drawing, marking, etc., and are produced by professional factories. Generalized includes standardized fasteners, joints, transmissions, seals, hydraulic components, pneumatic components, bearings, springs and other mechanical parts.
In the narrow sense, only standardized fasteners are included. The standard part in China is the abbreviation of standard fasteners, which is a narrow concept, but cannot exclude the existence of general concepts. In addition, there are also industry standard parts, such as automotive standard parts, mold standard parts, etc., which are also generalized standard parts.
The Non-standard parts processing professionals explained that the country has not set strict standard specifications, and there are no other parameters that are freely controlled by the enterprise. T
here are many varieties of non-standard parts, and there is currently no very standardized classification. The general classification is as follows:
Non-standard parts processing
Metal non-standard parts:
The drawings are provided by the customer, and the manufacturer uses the equipment to produce the corresponding products according to the drawings. Usually, the molds are mostly, the tolerance requirements, and the finish are all specified by the customer, and there is no certain paradigm. The product requires complete quality control from casting to finishing, the process is complex and variability, and the general cost is higher than the standard parts.
Non-metallic non-standard parts:
It is the processing of some non-metallic materials. Such as plastics, wood, stone, etc. In recent years, the injection molding industry, the development of plastic molds has been increasingly refined, surface design, programming CNC reference, so that the cost and tolerance level of non-standard processing has been greatly improved.
The above points are the introduction of non-standard parts processing.
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