Find high quality four post presses with competitive price here. Please rest assured to buy four post presses with FRA hydraulic machinery co

? the fuselage

Airframe by beams, sliding block, table, column, composed of lock nut and adjusting nut, relying on the four posts for the skeleton, upper beam and a table by locking nut fixed on both ends, the machine constitute a whole. Machine precision adjustment is made by adjusting the nut, the slider guide sleeve fitted with wear-resistant materials in the four corners, the Guide sleeve fastened by Hexagon socket screws on the sliders on the upper and lower end. To dust and a dust-proof wool felt. The upper surface of the slider is connected with the piston rod of the cylinder flanges, relying on four columns-oriented moves up and down, on the Workbench surface and lower surface of the slider are equipped with t-slot for the installation of mold.

? master cylinder

Cylinder structure of this machine for piston/cylinder consists of a cylinder, the Guide sleeve, piston head, piston rod, lock, flange, cylinders flange and so on. Its cylinder block relies on opening shoulders and large holes in the lock is fastened on the upper beam, flange piston end surface associated with the slider. Installation on the piston rod of the piston, and fastened by lock nut and piston head is equipped with two sets of YA-ring in the opposite direction will be separated into two oil Chambers of the cylinder, and repression, return movements. Cylinder bushings installed at the bottom of the cylinder, bore of cylinder bushing with YA-rings, fitted with o-rings on the outer circle, cylinders flange and Hexagon socket screw is fastened on the side surface of the cylinder body to ensure the sealed cylinder sealing.