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Title:
ELECTROSTATIC LEVEL METER FOR CASTING, AND METHOD AND DEVICE FOR CASTING USING THE SAME
Document Type and Number:
Japanese Patent JP2002346732
Kind Code:
A
Abstract:

To surely control a filling level of molten metal into a cavity 5 of a casting mold 3 by precisely measuring the filling level of the molten level into the cavity 5 with high accuracy.

The electrostatic level meter for casting is equipped with the electrodes 6, 16 for capacitor that are installed on the surface on the casting mold 3 opposing to the cavity 5 of the casting mold 3 and the charge/discharge type capacitance gauges 13, 19 that electrically charge the electrodes 6, 16 for capacitor with a DC voltage, that discharge the charged electricity at a specific current, and that measure, through the discharging time, the electrostatic capacity obtained between the electrodes 6, 16 and the molten metal filled in the cavity 5; on the basis of the change in the electrostatic capacity measured by these charge/discharge type capacitance gauges 13, 19, the filling level is measured for the molten metal filled into the cavity 5 of the casting mold 3. Feeding is performed while the supply pattern of the driving power to an electromagnetic pump is adjusted by a controller 15 such as an SCR or an inverter.


Inventors:
Miura, Kuniaki
Kizawa, Tatsuya
Teruyama, Yuzo
Yanai, Kazuto
Miyahara, Fumitaka
Otsuka, Makoto
Aota, Iwao
Matsuda, Mikio
Application Number:
JP2001000158084
Publication Date:
December 04, 2002
Filing Date:
May 28, 2001
Export Citation:
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Assignee:
SUKEGAWA ELECTRIC CO LTD
MAZDA MOTOR CORP
CLEAR PULSE KK
International Classes:
G01F23/26; B22D35/00; B22D37/00; B22D39/02; (IPC1-7): B22D39/02; B22D35/00; B22D37/00; G01F23/26
Domestic Patent References:
JPH06297134A
JPH02274369A
JPH02276918A
JPH06135001A
Attorney, Agent or Firm:
北條 和由