During safety training, students should learn dangers related to machining along with safety and proper procedures. Students could improve their safety understanding if they could experience real dangerous situations under controlled machining conditions. Using a simulator developed by the authors, students can experience danger and fear related to machining accidents. Because lathe machines are typical machining tools, they were selected for modeling for the accident simulator. Five training items including destruction of work and tools were chosen as actual accident models for demonstration by the simulator. This accident simulator was introduced into the education schedule of machine manufacturing safety training. Questionnaire survey responses indicated improvement in students′ recognition about safety and the dangers of machining work.