我要演示做的柜门的尺寸是18" (H) X 12-3/8" (W),也就是a = 18", b = 12-3/8",我将用的门框刀槽的深度是f = 3/8",门框边宽度是e = 1-5/8",一般的门框宽度是2-1/4"。根据公式计算出:
A = a = 18"
B = b - 2e + 2f = 12-3/8" - 2x1-5/8" + 2x3/8" = 9-7/8"
C = a - 2e + 2f - 1/8" = 18" - 2x1-5/8" + 2x3/8" - 1/8" = 15-3/8"
D = B - 1/8" = 9-7/8" - 1/8" = 9-3/4"