Patent ID: 6962491

Claim:
An injection molding machine using a linear motor, comprising: a linear motor serving as a linear drive mechanism; a temperature sensor configured to detect a temperature of a coil of said linear motor or an ambient temperature thereof and to output a temperature signal; an input unit configured to input the temperature signal output from said temperature sensor; a data converting unit configured to convert the temperature signal into temperature data; a storage unit, including a temperature data setting unit configured to preset an allowable range of temperature data configured to store temperature data converted by said data converting unit; a comparing/calculating unit configured to compare the temperature data converted by said data converting unit with the allowable range of temperature data set in said data setting unit and make a calculation based on the temperature data; an output unit configured to output an instruction signal and display data, corresponding to results of the comparison and calculation by said comparing/calculating unit; and a display unit configured to display the display data outputted from said comparing/calculating unit.