| 摘要 |
PURPOSE:To obtain an injection compression molding of a high quality without sink by promoting the cooling of a part hard to cool and solidify of material in a cavity when the material is gate sealed and cooled to solidify under heating. CONSTITUTION:For example, in the compression molding of a convex lens, both dies 1a and 1b are clampled at a specified position, a melt material is injected into a cavity and after gate sealed, it is cooled to solidify with the dies 1a and 1b pressed on one another. Here, coolers 6a and 6b are provided at a part where the material is hard to cool and solidify, at the central part of the lens in this case, to promote the cooling and solidification of this part. |
