Control method, monitoring method, and control device for kneade

Details Control method, monitoring method, and control device for kneade Control method, monitoring method, and control device for kneade

1993-08-10

1994-06-28

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

With specified feed means

366151, 366601, B29B 500, B01F 1502

Patent

active

053241070

ABSTRACT:
An object of the present invention is to provide a control method for a kneader suitable for controlling the kneader so as to uniformly disperse a compounding agent in a high-molecular material, enabling energy saving. In controlling the kneader for charging the high-molecular material and the compounding agent into a kneading chamber and kneading the mixture of the high-molecular material and the compounding agent so as to uniformly disperse the compounding agent in the high-molecular material, the control method includes the steps of measuring a sound wave generating from the kneading chamber during kneading, detecting whether or not a waveform of the sound wave has become a waveform generating when the compounding agent is uniformly dispersed, and deciding that the kneading is ended if the waveform of the sound wave has become the waveform generating when the compounding agent is uniformly dispersed. It is preferable to perform envelope detection of the sound wave in controlling the kneader. Further, detection of a second torque peak of the kneader from the sound wave is effective for the control.

REFERENCES:
patent: 4197070 (1980-04-01), Koschmann
patent: 4759705 (1988-07-01), Otake
patent: 4818113 (1989-04-01), Patel
patent: 5200220 (1993-04-01), Capodieci

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