Die casting controlling method

Details Die casting controlling method Die casting controlling method

1989-03-27

1989-10-17

Godici, Nicholas P.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164113, 164154, 164155, B22D 1732

Patent

active

048740322

ABSTRACT:
A method of controlling die casting in which at least one of a pressure sensor which directly measures the internal pressure of a cavity continuously throughout the casting cycle and a temperature sensor which directly measures the temperature and heat flux of the cavity surface continuously throughout the casting cycle is mounted in a die and a measured value obtained through the direct measurement by the sensor mounted in the die is compared with a reference value, then casting conditions are controlled on the basis of the result of the comparison, the measured value compared with the reference value being a peak value thereof, a gradient of a certain time, a peak value generation time, a period of holding a value above a certain threshold level, or an integrated value up to a certain time, or it being the difference and/or the sum of peak values, gradients of a certain time, peak value generation times, time periods of holding a value above a certain threshold level, or integrated values up to a certain time, obtained from two or more measurement points.

REFERENCES:
patent: 2786234 (1957-03-01), Beyer

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