| 摘要 |
<p>PURPOSE:To improve productivity by making it possible to keep the max. curving depth of sheet glass within a permissible range of target values even if the presence or absence of the sheet glass changes within heating zones by making the temp. conditions in the heating zones where the presence or absence of the sheet glass change, possible to be automatically maintained constant by a computer. CONSTITUTION:The computer 34 changes the first table where the presence or absence of the sheet glass 14 is displayed, for each of the preset heating zones Z1 to Z15 in accordance with the detection of the sheet glass 14 inputted from a detecting sensor 36 and sets the changed table as the table by next time. The computer 34 compares the preset first table and the table of the next time and controls the temp. conditions in the heating zones Z1 to Z15 where the presence or absene of the sheet glass 14 changed so as to maintain the conditions constant.</p> |
