The equipment is improved in design and is made into a fully automatic H-beam assembling machine referred to the same foreign sort of products.The positioning of the flange and web is performed through the plus and minus screw Mandrel driven by the motor accurately,and the other side is clamped by the mini-travel hydraulic device,and there is a highly precise coder to feddback and show the accurate size on the unit set to guarantee the flanges,the webs with different width within the specified range for accurate positioning and automatic alignment.There is no need to make adjustment each time.