Install or replace the old mold, be sure to avoid inconsistent offense, bump, civilized assembly, pay attention to protect the mold;
    Check the size of the mold often use welding binding site conditions, thrown weld cracks should be repaired, appearing excessive wear to adjust aggregate size, excessive wear and tear affecting the quality of products need to reprovision the new model;

    Really adjust the gap, including the head and the mold core, the pressure head and skip the plane of motion, mold frame with wire board spacing, relative motion must not interfere, a collision;
    Daily cleaning mold when using air compressors, tools remove concrete residue soft, non-gravity beat, pry scraping mold;
    Alternative dies down, cleaned, oiled rust should be dry, smooth flat pad at the branch to prevent gravitational deformation.