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Machining analysis in mould making
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Abstract(s)
This document is the internship report of the Master in Product Design Engineering
carried out at V.B Fresagem S.A. The company V.B. Fresagem S.A., is dedicated to the
provision of milling services for the sector of moulds and metal machining. It has the ability to
machine small and medium sized parts in various materials such as steel, stainless steel,
aluminium, wood and nylon. V.B. Fresagem S.A. is a company started in 1991, based in
Marinha Grande, specialized in the service of moulds, in milling operations.
With this internship it was possible to concretize the industrial immersion that was one
of the objectives of the student for this stage. In the company after an initial inclosing, it was
possible to develop work in the different equipment’s with different materials for moulds in
the company machines.
It was also defined as an objective, the accomplishment of an analysis to the machining
process of moulding surfaces. With this analysis it was possible to compare parameters of
machining process, tools and steel for moulds making with the surface state in terms of
roughness. It was also possible to compare the stability of the process in different equipment.
The speed of rotation and the diameter of the tool are two parameters that most influence
surface roughness, because they also influence the other machining parameters in general.
This work also concluded that it is fundamental that the tools used in the machining
works, are used within the ranges of operation recommended by the tool’s manufacturers. Thus,
it is possible to ensure a surface finish within that is defined in the design of the moulding and
also a stability in the machining process to ensure a longer tool life.
Description
Keywords
CNC machines Cutting tools Roughness Mould moulding