Machining without chip removal in the precision machining It is the process of manufacturing parts prepared for use in the industry, using semi-finished parts that do not require the extraction of material. It is also known as machining, but it is correct to speak of machining without chip removal, because machining refers to the removal of material, either by abrasion or chip removal.
These semi-finished pieces are transformed into final pieces without having to release any particle of material during the process and are based on the plastic deformation of the material by applying both heat and pressure, whether with rollers, dies, hot, cold... With this type of precision machining The desired dimensions and shapes and an improvement in properties, such as hardness or toughness, are obtained, although with limitations.
It is an ancient process and is still preserved and combined with other more complex methods of the precision machining. Non-metal machining can be used for various purposes, such as for the manufacture of steel tubes for use in the furniture industry, since the steel sheet needs to be hot rolled several times and then cold rolled, cut into strips and then shape it into a tube through rollers and weld it.
Afterwards, the piece should be cut into smaller portions according to the needs of each manufacturer and subjected to marking or drilling, and then subjected to other manufacturing processes. precision machining such as abrasion and chip removal.
What shapes can be made with precision machining that is done by machining without chip removal?
Forging process refers to the plastic deformation of the material after the application of localized compression forces made with specific tools such as the hammer and can be done cold or hot.
Laminate; In this case it is the plastic deformation of a material by introducing it between one or more rollers that rotate in the opposite direction to reduce the thickness and make it more uniform. Laminating can be done both cold and hot.
Extrusion; It is a process of plastic deformation of the material by making it flow through a die that has a cross section that is fixed and defined. Achieving pieces of complex shapes and with an excellent finish.
Machining without chip removal has clear advantages:
They are more ecological because they do not generate waste, More economical because they use all the material, Simple and not at all complex and require less time to carry out, in addition to there being less limitation on the size of the raw pieces.
Regarding the choice of the type of precision machining It will depend on the needs of each material, each piece and the format you want to achieve.
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