Determining the influence of the shape of the tool on the initiation and speed of ejection/kickback of milled wood in the context of accident risk

Project manager: Mariusz Dąbrowski M.Sc. (Eng.)

Project summary:

The basic aim of the project was to modernize a stand for testing kickback and then to use it to study the influence of the shape of the body of the woodworking tool and the cutting edge protruding outside the body of the tool during woodworking on the risk of kickback. The speed of kickback is the measure of that risk.Test were conducted on the stand for testing kickback modernized prior to those tests. The test stand was equipped, among others, with a high-speed camera for registering the course of the test at max. 1000 frames per second. Samples for tests were made of three materials widely used in woodworking: pine wood, chipboard and MDF. All the test were repeated 10 times. A statistical analysis of the uncertainty of the results were conducted for that number of repetitions, which was then used in an analysis of the test results. That analysis makes it possible to make a deliberate selection of the cutting tools, which will help decrease the level of risk during woodworking.

Unit: Department of Safety Engineering

Duration: 01.06.2009 – 30.12.2010