Báo cáo đề tài nghiên cứu khoa học: Thiết kế, chế tạo Máy chuyên dùng mài dao phay ngón, mũi khoan

In vocational training, particularly in mechanical processing, the precision and longevity of cutting tools like end mills and drill bits are crucial. Traditional sharpening methods often lead to inaccuracies, reduced tool life, and operational noise, posing a significant challenge in ensuring high-quality practical training and efficient resource utilization. This research addresses this critical need by proposing the design and fabrication of a specialized, integrated grinding machine. The primary objective is to develop a compact, cost-effective device capable of precisely sharpening both end mills and drill bits, thereby enhancing students' practical skills, extending tool life, and improving the overall quality of mechanical engineering education at the Ho Chi Minh City Vocational College.

Giảng viên và sinh viên ngành Cơ khí Chế tạo tại các trường cao đẳng, dạy nghề; kỹ thuật viên, người lao động trong lĩnh vực gia công cơ khí.

This research addresses the critical need for an effective and economical solution for maintaining cutting tools in vocational training environments. It focuses on the design and manufacturing of a specialized machine capable of precisely grinding both end mills and drill bits, specifically tailored for the practical training demands of the Mechanical Engineering faculty at Ho Chi Minh City Vocational College. The study highlights the limitations of traditional manual sharpening, which often results in inaccurate tool geometry and reduced tool lifespan, and the unsuitability of expensive, industrial-grade machines for educational purposes. The core of the project involves creating a compact, integrated device that supports various tool diameters up to Ø14mm, with built-in features like a dust extraction system and easy operation, ensuring safety and precision. The methodology encompassed a thorough review of existing theoretical frameworks and market conditions, followed by the conceptual design, modeling, component selection, fabrication, assembly, and rigorous testing of the prototype. The findings indicate that the developed "máy mài dao phay ngón" và "máy mài mũi khoan" effectively meets its objectives, providing a practical tool for sharpening diverse cutting tools used in modules such as CNC turning and milling. This innovation significantly enhances the quality of "đào tạo nghề cơ khí", enabling students to develop essential "kỹ năng mài dụng cụ cắt" accurately and efficiently. The machine's "thiết kế chế tạo" not only prolongs the life of "dụng cụ cắt" but also fosters a conducive learning environment, ultimately boosting the proficiency of future technicians in "gia công cơ khí".