Abstract
To date lapping as a finishing process of part surfaces lacks an underlying digital knowledge base. This is due to the complex interlinking of the numerous parameters that influence the results of machining. Starting from here the paper argues improved process planning and machining process optimization by presenting a new modelling algorithm of lapping and a software tool designed as a support for lapping machine operators. The proposed computer programme enables automated planning of machining and can be deployed for studies related to the influence of various work parameters on the quality criteria targeted by machining.
Highlights
Two of the essential requirements to be met cumulatively by mechanical components machined by cutting are high form precision and minimum surface roughness
The second group of parameters pertains to the lapping process and includes information concerning workpiece material, size and form of the lapped surfaces, the machining allowance, machining pressure and speed, the kinematics of the lapping process, etc
Considering the above aspects, the paper puts forward a modelling algorithm of the plane lapping process and of a software tool designed as a support for lapping machine operators
Summary
Two of the essential requirements to be met cumulatively by mechanical components machined by cutting are high form precision (very flat surfaces) and minimum surface roughness. These characteristics can be obtained by lapping, a metal cutting method obtained by the friction generated between two surfaces that are pressed one onto the other in the presence of an interfacing abrasive paste (slurry). Considering the above aspects, the paper puts forward a modelling algorithm of the plane (flat) lapping process and of a software tool designed as a support for lapping machine operators This instrument enables the operator to determine in minimum time the set-points for the adjustable input values of the machining system such as to ensure the targeted output in terms of surface quality
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