If I want to increase the number of bricks laid out, and the crossbeams of the mold become thinner, will this affect the overall strength of the mold? Approximately how long will it take for it to crack/deform?

A: Yes, it will affect the strength of the mold, especially with large bricks. If the customer's material has large particles or uneven distribution, it can cause localized deformation of the crossbeams.