A:A: The suspension beam's function is to fix the mold core; it cannot be eliminated according to the current demolding method for hollow bricks.
A:A: It depends on the size of the bricks and whether there is enough space.
A:A: Hollow brick molds with through holes have ventilation holes.
A:Answer: Using bolts to lock the core makes it easy to replace, while welding is cheaper.
A:A: Currently, the mold core is outsourced, and it's difficult to source from suppliers, which significantly increases costs. Based on actual calculations, it's not recommended. (German steel is generally only used for paving bricks.)
A:A: Because the mold core sealing plate requires four bolts, and there isn't enough space. Currently, M12 countersunk bolts are used; smaller bolts are more likely to break.
