CASTING DEVICE

• Main Authors: SHIGESATO MASATAKA, MIYAMOTO SHOTA
• Format: Patent
• Language: English; Japanese
• Published: 20.06.2022
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

To provide a casting device capable of stably producing a cast product of high quality by suppressing the suction of a molten metal from an opening part for decompression provided at a sleeve.SOLUTION: A casting device 100 comprises: a mold 110 provided with a cavity 113 for injecting a molten metal M; a sleeve 120 having an opening part 127 for decompression and holding the molten metal M before injection to the cavity 113; and a decompression apparatus 140 for sucking the air in the sleeve 120 through the opening part 127. The opening part 127 is constituted of plural holes, and, in the plural holes, an inter-hole distance X is 14 mm or less and a hole diameter Y is 1 or more to 2 mm or less, and Y≤(3X+1)/20 is satisfied.SELECTED DRAWING: Figure 1 【課題】スリーブに設けられた減圧用の開口部からの溶湯の吸込みを抑制して、高品質の鋳造品を安定して製造できる鋳造装置を提供する。【解決手段】鋳造装置１００は、溶湯Ｍが射出されるキャビティ１１３を備えた金型１１０と、減圧用の開口部１２７を有し、キャビティ１１３に射出する前の溶湯Ｍを保持するスリーブ１２０と、開口部１２７を通じてスリーブ１２０内の空気を吸引する減圧装置１４０と、を備える。開口部１２７は、複数の穴からなり、複数の穴は、穴間距離Ｘが１４ｍｍ以下、穴径Ｙが１ｍｍ以上２ｍｍ以下であり、Ｙ≦（３Ｘ＋１）／２０を満たす。【選択図】図１