INSTRUMENT FOR MEASURING GAP IN RAPID-COOLED THIN MATERIAL PRODUCING APPARATUS

INSTRUMENT FOR MEASURING GAP IN RAPID-COOLED THIN MATERIAL PRODUCING APPARATUS

PROBLEM TO BE SOLVED: To provide a gap measuring instrument which can stably use even in a high temp. environment to precisely measure the gap (nozzle gap) between a roll and a nozzle without receiving the effect of thermal expansion. SOLUTION: In the nozzle 5 for supplying molten metal on the surfa...

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Hauptverfasser: IMAI ISAO, TANAAMI YOSHIAKI
Format: Patent
Sprache:eng
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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creator IMAI ISAO
TANAAMI YOSHIAKI
description PROBLEM TO BE SOLVED: To provide a gap measuring instrument which can stably use even in a high temp. environment to precisely measure the gap (nozzle gap) between a roll and a nozzle without receiving the effect of thermal expansion. SOLUTION: In the nozzle 5 for supplying molten metal on the surface of the cooling roll 6, a nozzle hole 11 arranged at the orthogonal direction faced to the roll surface and a gas supplying line 12 for supplying inert gas into this nozzle hole, are provided. In the gas supplying line 12, an orifice 13 for adjusting the flowing rate and pressure detectors 14a, 14b for detecting the pressures P1, P2 at the upstream side and the downstream side of the orifice, are arranged. A relation (h)=F(P1, P2) of the pressures P1, P2 and the gap (h) between the roll surface and the nozzle, is beforehand obtd. and the gap (h) is measured with this relation during operation.
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subjects CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
title INSTRUMENT FOR MEASURING GAP IN RAPID-COOLED THIN MATERIAL PRODUCING APPARATUS
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