| 摘要 |
PROBLEM TO BE SOLVED: To adjust pressure with high accuracy in a manner such that a detecting means for detecting the pressure of an upper-half molding die to a lower-half molding die is provided between a fixed member fixed to a tie bar on the other side of the side on which the lower-half molding die is provided so as to accurately detect the pressure of the molding die. SOLUTION: An upper-half molding die 5 is provided below a moving platen 4, and a lower-half molding die 6 is provided above a lower platen 2. A lower fixed nut 11 is fixed to a tie bar 3 on the opposite side of the side on which the lower-half molding die 6 is provided. A load cell 12 for detecting the pressure of the upper-half molding die 5 to the lower-half molding die 6 is provided between the lower fixed nut 11 and the lower platen 2. The pressure of the upper-half molding die 5 to the lower-half molding die 6 is therefore directly transmitted to the load cell 12. Consequently, a pressure detection error caused by influences such as backlash or deformation of component elements due to aging of the apparatus and expansion of the tie bar 3 by a heat is reduced, and the pressure can be more accurately detected. |
