Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1995-01-23
1996-10-22
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
264 405, 2643281, 425145, B29C 4577
Patent
active
055673678
ABSTRACT:
An average is obtained between output readings of a pressure sensor obtained when forward and reverse thrusts are applied to an injection screw by positively driving a servomotor for injection. The average value is used as a correction value for a reading deviation of the pressure sensor. The injection servomotor is positively driven to apply a thrust to the screw. This known thrust and the actual reading of the sensor are compared. A deviation between these values is used as the correction value for the reading deviation of the sensor.
REFERENCES:
patent: 5206034 (1993-04-01), Yamazaki
patent: 5209936 (1993-05-01), Ihara et al.
Hiraga Kaoru
Hosoya Yuichi
Ito Susumu
Kamiguchi Masao
Neko Noriaki
Fanuc Limited
Heitbrink Jill L.
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