Marking machine is a broad concept, it is mainly divided into pneumatic, laser, electric corrosion three types, pneumatic: computer control, printing needle under the action of compressed air to do high frequency impact motion, so as to print out a certain depth of the workpiece mark, mark characteristics: there is a greater depth; Laser marking machines use laser beams to mark the surface of a variety of different substances permanently. Marking effect is through the evaporation of the surface material to reveal the deep material, so as to carve exquisite patterns, trademarks and words; Electroetching mainly prints fixed trademarks, just like stamping, but the printing content changes inconvenient.
There are many kinds of marking machine, the most common pneumatic marking machine, electromagnetic marking machine, electrochemical marking machine.