| 摘要 |
PROBLEM TO BE SOLVED: To improve the reproducibility of the heat up time and temp. distribution of a metal mold device. SOLUTION: This glass forming machine has a first core, a second core which freely movably disposed to face this first core, a mold 13 which encloses the first and second cores, a heating device 40 which heats the first and second cores, a pressurizing device 60 which applies pressurizing force to the second core and a mold clamping device 50 which clamps the mold 13 by applying mold clamping force thereto. The mold clamping is applied to the mold 13 and mold clamping is executed while at least the first and second cores are heated and, therefore, the occurrence of variation in the heat transfer quantity between the metal mold device 10 and the device body in each respective forming shots at the time of heating is prevented.
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