MAGNETIC BASED PORTABLE DRILL EQUIPPED WITH ACCESSORY PLATES FOR DRILLING CONVEX SURFACES

摘要

The invention relates to a portable magnetic-based drilling machine equipped with accessory plates for drilling convex surfaces. /P P Said drill has a base formed by an electromagnet to which accessory plates are attached in various positions to allow it to be mounted in a stable position on a convex surface such as a pipe of magnetic material. /P P Application to the drilling of holes in convex support surfaces such as a pipe of any diameter or a cylindrical tank or tank.