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1. WO2006117837 - METHOD FOR PREDICTING AND PREVENTING SHRINKAGE CAVITY OF IRON CASTING

Publication Number WO/2006/117837
Publication Date 09.11.2006
International Application No. PCT/JP2005/007886
International Filing Date 26.04.2005
IPC
B22D 46/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
46Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
B22C 9/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
CFOUNDRY MOULDING
9Moulds or cores; Moulding processes
CPC
B22C 9/088
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
CFOUNDRY MOULDING
9Moulds or cores
08Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
088Feeder heads
B22D 46/00
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
46Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
G06F 17/00
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
17Digital computing or data processing equipment or methods, specially adapted for specific functions
Applicants
  • 株式会社木村鋳造所 KIMURA CHUZOSHO CO., LTD. [JP]/[JP] (AllExceptUS)
  • クオリカ株式会社 QUALICA INC. [JP]/[JP] (AllExceptUS)
  • EKK JAPAN INC. [JP]/[JP] (AllExceptUS)
  • 菅野 利猛 KANNO, Toshitake [JP]/[JP] (UsOnly)
  • 姜 一求 KANG, Ilgoo [KR]/[JP] (UsOnly)
  • 村上 俊彦 MURAKAMI, Toshihiko [JP]/[JP] (UsOnly)
  • KUBO, Kimio [JP]/[JP] (UsOnly)
Inventors
  • 菅野 利猛 KANNO, Toshitake
  • 姜 一求 KANG, Ilgoo
  • 村上 俊彦 MURAKAMI, Toshihiko
  • KUBO, Kimio
Agents
  • 鈴木 弘男 SUZUKI, Hiroh
Priority Data
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) METHOD FOR PREDICTING AND PREVENTING SHRINKAGE CAVITY OF IRON CASTING
(FR) PROCEDE PERMETTANT DE PREVOIR ET D'EMPECHER LA FORMATION D'UNE RETASSURE DANS UN MOULAGE DE FONTE
(JA) 鋳鉄鋳物の引け巣の予測及び防止方法
Abstract
(EN) A method for predicting and preventing occurrence of shrinkage cavity in an iron casting of any of various shapes or in each part of an iron casting precisely prior to casting. The shape of an iron casting is approximated entirely or partially to a rectangular parallelepiped or a cube, to the sum of the two long sides is divided by the short side to determine a shape coefficient, and occurrence of shrinkage cavity is predicted by judging whether the value exceeds a predetermined value (judgment coefficient) or not.
(FR) La présente invention concerne un procédé permettant de prévoir avec précision et d'empêcher la formation d'une retassure dans un moulage en fonte ayant des formes diverses ou dans chaque partie d'un moulage en fonte avant le moulage. Selon ce procédé, on approche la forme du moulage en fonte entièrement ou partiellement de celle d'un parallélépipède rectangulaire ou d'un cube, dont la somme des deux côtés longs est divisée par le côté court pour permettre de déterminer un coefficient de forme et on prédit la formation d'une retassure en jugeant si la valeur obtenue excède ou non une valeur prédéterminée (coefficient de jugement).
(JA)  さまざまな形状の鋳物や鋳物の各部分に対して、鋳造に先立ち引け巣発生の有無を精度よく予測し、防止する方法を提供する。  鋳物製品の形状を全体的または部分的に直方体または立方体に近似し、長い方の2辺の合計を残りの短い1辺で除した値である形状係数を求め、この値が所定値(判定係数)を超えるか否かにより引け巣の発生を予測する。
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