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Precision grinding is a manufacturing process used to finish metal parts to exact tolerances. It can be done on-site or outsourced. Techniques include Mattison and Blanchard grinding. Precision grinding is used in electronics, aerospace, and medical equipment production. Precision grinding careers usually begin with an apprenticeship or trade school. Rates of pay vary by region and job type.
Precision grinding is a manufacturing process used in the fabrication and finishing of metal parts to very tight tolerances. These parts must be sized and finished exactly or the finished product will not function properly. Factories can carry out the precision grinding on site or choose to outsource it to a company that specializes in this service. Many urban areas, especially those in manufacturing regions, have a facility that offers this service, and many of these companies also do fabrication, producing parts to order using specifications provided by customers.
The precision grinding process can be used for both tiny parts such as electronics, as well as very large ones. It involves the use of various tools to size, shape and texture the surface as needed. Some techniques used by precision grinders include Mattison grinding and Blanchard grinding, also known as rotary surface grinding. A technician will determine which technique or techniques to use in finishing a part based on project specifications and customer needs.
These techniques are used in the production of parts for electronics, scientific instruments, aerospace and medical equipment. This equipment is generally very sensitive and the level of variation allowed for the parts is limited. Components with unwanted overhangs, rough surfaces, or dimensions that are only slightly too large or too small will be rejected. Many precision grinding facilities focus on a specific industry, applying years of experience and specialized engineering skills to their projects.
Customers can go to a facility with a part that needs machining and finishing, or they can request start-to-finish fabrication. The structure needs precise specifications and any mockups, if available. He also usually needs to know how the part will be used, as this will affect the metal alloys used in manufacturing and finishing techniques. The requirements for space shuttle parts, for example, are different from those for car parts.
Precision grinding careers usually begin with an apprenticeship in a facility, although some people attend trade school to learn machining skills. Supervisors in such facilities usually have extensive experience and may even have training such as an engineering degree. Rates of pay vary by region and the type of work performed, and some jobs come with benefits such as health care and retirement plans. Many of these workplaces are unionized, with the union arguing that employees get benefits and fair wages.
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