| 摘要 |
PURPOSE:To make it possible to obtain an adequate coating amount constantly without depending on the experience or skill of a worker, by furnishing a coating amount measuring means and an injection flow control means, to obtain a coating amount almost close to the standard coating amount. CONSTITUTION:A rotation speed control device 20 compares a coating amount computed by a coating amount arithmetic device 18 and a standard coating amount set by a standard coating amount setting device 21, to compute the deflection from the standard coating amount. And the rotation speed of a motor 11 to make the deflection to zero depending on a specific formula is computed, and the rotation speed of the motor 11 is controlled to be the computed speed when a frit glass suspension 7 is applied to the next tunnel 2. As a result, the coating amount of the frit glass suspension 7 to the next funnel is made to be very close to the standard coating amount. Therefore, an adequate coating amount can be obtained constantly without depending on the experience or skill of the worker.
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