| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for the bending processing of a PC plate reduced in spring back immediately after bending processing, reduced in a change in bending angle with the elapse of time, having no strain in permeation scene and also beautiful in appearance without requiring pre-process such as pre-drying or the like. SOLUTION: When a polycarbonate plate 1 is subjected to bending processing by using a mold consisting of a vender 2 having a bending processing part 3 and a male mold 4, the leading end surface of the female mold 4 is formed so as to have R having a radius of 1/2 or more of the thickness numerical value of a plate to be processed and the male mold 4 is heated to 120-160 deg.C to perform bending processing. |
