Abstract
To know the advantages and disadvantages of mould surface drying by ultrared lamp, the following experiments were carried out. (1) The effect of drying time, mould lamp distance and numbers of lamps. (2) Temperature distribution. (3) Drying process. (4) Moisture returning. (5) Drying of blocking surface. Drying process is as same as gas drying, and it is a good method in surface drying, but in practice we must take care of the lamp distance and lamp arrangement.