Semi-auto hairpin bender is special equipment for bending straight tube into "U" tube. This equipment is a semi-auto machine, which feed material with manual, finishing "Clamping", "Bending", "Tripper". Equipment use "OMRON" PLC controller, which imported from Japan with two functions "Auto" and "Manual". Bending different specification hairpin tube through changing related components. Therefore, it can be said to be a piece of highly efficient manufacture equipment bend hairpin tube in the field of air-conditioner thermal converter manufacturing.