Control device of an injection molding machine with a function of adjusting the balance of the bars, and control method of the injection molding machine

摘要

Injection molding machine control device with a function of adjusting the bar balance, the injection molding machine having a tensioning device with a plurality of bars (30a-d), the control device comprising: a bar balance setting unit (14) for outputting a bar balance target value of a bar balance indicating an equilibrium between characteristic values of the plurality of bars (30a-d); a bar balance setting unit (16) for setting the bar balance according to the bar balance target value; a bar balance storage unit (12) for storing the bar balance target value for each mold (40, 42) , the spar balance setting unit (14) being set up to read the spar balance setpoint value for each molding tool (40, 42) from the spar balance storage unit (12) and to output the read spar balance setpoint values to the spar balance setting unit (16) ; anda quality determination unit for determining a quality of a molded part, wherein the spar balance storage unit (12) is configured to store a spar balance target value for which a quality determination result obtained by the quality determination unit is a favorable result.