Abstract
ABSTRACTThe quality of injection-moulded polymer optic parts depends on the surface finish of the respective mould. In order to improve the surface finish of the mould, it is important to use a tactical material removal, which allows a controlled correction of the mould’s surface geometry. The aim of this work is to use a polishing correction technique to improve and correct the flatness of hardened steel samples in order to reduce the need for manual polishing. A polishing tool function is simulated from the contact between the tool and the hardened steel sample and used to determine the material removal rate per time. A feed profile is calculated, which allows the industrial robot to tactically control the material removal. It is observed that a correction improves the surface’s flatness by up to 70%.
Highlights
Plastic injection moulding is known as a manufacturing process
This research successfully leads to the development of a polishing correction technique
This technique enables a correction of the flatness of hardened steel samples
Summary
Plastic injection moulding is known as a manufacturing process. In this process, material is injected into a mould and parts are produced. Material is injected into a mould and parts are produced These produced parts’ geometry acquire the form of the respective mould. This manufacturing process is, unconsciously, present on everyone’s lives. Plastic injection moulding parts are produced using a steel mould tool. Automatic robot polishing processes are used for the polishing step of the production of steel moulds.
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