Cylinder temperature setting method for injection molding machin

Details Cylinder temperature setting method for injection molding machin Cylinder temperature setting method for injection molding machin

1995-03-23

1998-04-21

Alexander, Lyle A.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Controlling heat transfer with molding material

26432814, 26432815, 425143, B29C 4574

Patent

active

057414491

ABSTRACT:
A cylinder temperature setting method in which the cylinder temperature distribution obtained in the condition setting operation is realized with fidelity, even when the molding operation is performed on injection molding machines which are different from the injection molding machine used for condition setting in the number and/or positions of heat sources arranged on the injection cylinder. A waveform representing the cylinder temperature distribution is obtained from the relationship between the temperatures of respective cylinder portions detected by thermocouples and the positions of the respective thermocouples when a conforming product is molded by a reference injection molding machine. The obtained waveform is stored and reserved in a record medium. The target values for temperature control of respective cylinder portions of another injection molding machine are obtained based on the reserved waveform, thereby realizing the cylinder temperature distribution obtained in the condition setting.

REFERENCES:
patent: 4480981 (1984-11-01), Togawa et al.
patent: 5456870 (1995-10-01), Bulgrin

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