Two-roller high precision pressure straightening machine, mainly used for peeling or after grinding the precision of the metal bar straightening and machine, at the same time can also be used on straightening of black material and forging spar straightening. Due to the straightening and machine is finished one-time, so the work efficiency is high. The machine is divided into the three structures of two beams four-post type, prestress type and framework type. Two beams four-post type, is a mechanical eliminate clearance; Structural framework is the hydraulic cutting clearance, and designed with hydraulic overload protection system; prestressed type is fall in between, it can be used according to the need for different choice. The machine is characterized by: Strong practicability, processing process stability, speed, good surface quality, and high machining accuracy. Material wire walking speed can reach more than 12 m/min.