Feed Force and Sawdust Geometry in Particleboard Sawing.

Bartosz Pałubicki,Tomasz Rogoziński,Stephan Frömel-Frybort,Luďka Hlásková

doi:10.3390/ma14040945

Bartosz Pałubicki, Tomasz Rogoziński + Show 2 more

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https://doi.org/10.3390/ma14040945

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Abstract

The measurement of cutting forces permits building of physic-mechanical cutting models for a better understanding of the phenomena observed during cutting. It also permits the design and optimization of processes, machines, tools, and wood preparation. Optimization of cutting conditions of wood-based materials can decrease the cutting forces, which directly relates to the energy consumption and surface quality. The sawdust analysis may serve for analysis of cutting kinematics and occupational health risk. The aim of the study was to estimate the correlation between the feed rate and both feed force and sawdust particle size produced during particleboard circular sawing. A saw machine type K700 was used in experiments. There were three feed rates of 12, 18, and 24 m/min executed by a horizontal pneumatic actuator fixed to the sliding side table of the saw machine. Based on the results of the experiments, a positive correlation was observed between the feed rate in a circular sawing process and feed forces and an unexpected particle size distribution depending on the feed rate.

Highlights

At the time of rapid development of new materials, there is a growing need for a better understanding of the interaction between the workpiece and tool
Increased feed forces due to blunting of the tools could be noticed, whereby a faster dulling was observed at higher feed rates
The study showed that it is possible to bypass the complex method of direct cutting force measurement by deriving the feed force

Summary

Introduction

At the time of rapid development of new materials, there is a growing need for a better understanding of the interaction between the workpiece and tool. During the analysis of the cutting process, the cutting forces are very often chosen as the main outputs for the description of the cutting process. According Marchal et al (2009) [1], the main reason of such an approach is that measurement of cutting force is a simple and useful tool to create the physico-mechanical cutting models that allow an explanation of the phenomena arising during machining. Using these models, it is possible to design or optimize machines, tools and cutting conditions. Optimizing wood cutting processes can reduce the value of cutting forces that are directly related to the energy consumption and surface quality

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