By shumijia | 03 December 2021 | 0 Comments
Before precision machining of non-standard parts you must understand what non-standard parts are?
We know that precision machining according to the processing object can be divided into standard parts processing and non-standard parts processing, relatively speaking, standard parts processing is relatively easy. And the processing of non-standard parts is relatively difficult, many people do not distinguish what is standard parts what is non-standard parts.
First of all, we know that the non-standard parts are relative to the standard parts proposed, so before understanding the non-standard parts we need to know what is called standard parts, standard parts refers to the structure, size, drawing, marking and other aspects have been completely standardized, and the common parts produced by professional manufacturers, such as threaded parts, rolling bearings, etc.. Broadly speaking, including standardized fasteners, links, transmission parts, seals, hydraulic components, pneumatic components, bearings, springs and other mechanical parts, narrowly defined to include only standardized fasteners, commonly known as standard parts is short for standard fasteners, is a narrow concept, but can not exclude the existence of the concept of broad, in addition to industry standard parts, such as automotive standard parts, mold standard parts, etc., also belongs to the broad standard parts.
Non-standard parts processing professionals to elaborate is mainly the state did not set out strict standard specifications, no relevant parameter regulations, by the enterprise free control of other accessories, non-standard parts have many varieties, there is no very standard classification. Roughly classified as follows.
Metal non-standard parts.
The customer provides the drawing, the manufacturer uses the equipment to make the corresponding product according to the drawing, usually the mold is mostly, tolerance requirements and finish are specified by the customer, there is no certain paradigm, the product from casting to finishing completely requires the corresponding quality control, the process is complex and variable, 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 plastic, wood, stone, etc. In recent years, the development of injection molding industry, plastic mold increasingly sophisticated, surface design, programming CNC references, so that the cost of non-standard processing and tolerance levels have been greatly improved.
The above is a small introduction to the non-standard parts precision machining before you must understand what non-standard parts are? I hope it can help everyone. If there are other aspects you want to know, you can come to consult us.
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