
sliding door runner wheels.
4. Adjust Roller Height Most sliding doors have adjustment screws located on the rollers. Using your screwdriver, turn the adjustment screws to raise or lower the door. Turning the screw clockwise typically raises the door, while turning it counterclockwise lowers it. Aim for a height that allows the door to slide freely without dragging on the track.
Surface Finishing
This stage entails actual extrusion process, which begins immediately after the ram starts exerting pressure on the billet. Extrusion machine features a hydraulic press, which can exert pressure of up to 15,000 tons on the billet and die.