JP4238932B2 - 発泡性混合物の管理方法 - Google Patents
発泡性混合物の管理方法 Download PDFInfo
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- JP4238932B2 JP4238932B2 JP2007521265A JP2007521265A JP4238932B2 JP 4238932 B2 JP4238932 B2 JP 4238932B2 JP 2007521265 A JP2007521265 A JP 2007521265A JP 2007521265 A JP2007521265 A JP 2007521265A JP 4238932 B2 JP4238932 B2 JP 4238932B2
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- foamable mixture
- viscosity
- mixture
- measured
- moisture
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- 239000000203 mixture Substances 0.000 title claims description 130
- 238000000034 method Methods 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000523 sample Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 239000003232 water-soluble binding agent Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 6
- 238000000691 measurement method Methods 0.000 claims description 6
- 230000002950 deficient Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 21
- 239000004576 sand Substances 0.000 description 17
- 238000000465 moulding Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 238000007726 management method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229910052956 cinnabar Inorganic materials 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 229930182490 saponin Natural products 0.000 description 1
- 150000007949 saponins Chemical class 0.000 description 1
- 235000017709 saponins Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
- B22C19/04—Controlling devices specially designed for moulding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
本実施例では、粒子状骨材として珪砂を、水溶性バインダとしてポリビニルアルコール(JP−05 日本酢ビ・ポバール製)、澱粉(デキストリンNSD−L ニッシ製)およびクエン酸(扶桑化学製)を用いた。そして、砂の温度が20℃であることから、粘度の基準値が2Pa・sおよび水分の基準値が4.5wt%になるように発泡性混合物を調整するために、珪砂(フラタリ−サンド)100重量部に対して、ポリビニルアルコール0.2重量部、澱粉0.8重量部、クエン酸0.2重量部および水5重量部をミキサーにより攪拌混合し、発泡させた。
Claims (8)
- 粒子状骨材、水溶性バインダおよび水を混合し、攪拌してなる発泡性混合物を、加熱された金型のキャビティに圧入方式により充填して鋳型を造型するにあたり、前記発泡性混合物の混合状態を管理する発泡性混合物の管理方法であって、
(a)前記発泡性混合物の温度を測定する工程と、
(b)予め求められている、該温度と相関関係がある、発泡性混合物を圧入方式により充填して鋳型を造型することが可能な、造型可能混合状態から、前記測定した温度に基づいて、前記発泡性混合物の水分および粘度の基準値を決定する工程と、
(c)前記発泡性混合物の水分を測定する工程と、
(d)当該測定した水分が前記水分の基準値の範囲内にあるか否かを判断する工程と、
(e)前記測定した水分が前記水分の基準値の範囲内にある場合、前記発泡性混合物の粘度を測定する工程と、
(f)当該測定した粘度が前記粘度の基準値の範囲内にあるか否かを判断する工程と、
(g)前記測定した粘度が前記粘度の基準値の範囲内にある場合、前記発泡性混合物が正常状態にあると判定する工程と
を含むことを特徴とする発泡性混合物の管理方法。 - 前記測定した水分が前記水分の基準値の範囲内にない場合には、不足分の水を補給したのち、前記発泡性混合物を再度混練する請求項3記載の発泡性混合物の管理方法。
- 前記測定した粘度が前記粘度の基準値の範囲内にない場合には、前記発泡性混合物を再度混練する請求項3または4記載の発泡性混合物の管理方法。
- 前記発泡性混合物の温度を接触型または非接触型の温度計測手段で測定する請求項5記載の発泡性混合物の管理方法。
- 前記発泡性混合物の水分を電気抵抗測定法またはマイクロ波測定法の水分計測手段で測定する請求項5記載の発泡性混合物の管理方法。
- 前記発泡性混合物の粘度をプローブの圧入方式、回転方式または圧入および回転方式の粘度計測手段で測定する請求項5記載の発泡性混合物の管理方法。
- 前記発泡性混合物の温度、水分および粘度の測定を該発泡性混合物の混合物収納手段から該発泡性混合物を採取してバッチ方式により行う請求項5記載の発泡性混合物の管理方法。
- 前記発泡性混合物の温度、水分および粘度の測定を該発泡性混合物の混合物収納手段に計測手段を装着して連続的に行う請求項5記載の発泡性混合物の管理方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005174520 | 2005-06-15 | ||
JP2005174520 | 2005-06-15 | ||
PCT/JP2006/311620 WO2006134841A1 (ja) | 2005-06-15 | 2006-06-09 | 発泡性混合物の管理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006134841A1 JPWO2006134841A1 (ja) | 2009-01-08 |
JP4238932B2 true JP4238932B2 (ja) | 2009-03-18 |
Family
ID=37532204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007521265A Active JP4238932B2 (ja) | 2005-06-15 | 2006-06-09 | 発泡性混合物の管理方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7766543B2 (ja) |
EP (1) | EP1897633B1 (ja) |
JP (1) | JP4238932B2 (ja) |
KR (1) | KR101051494B1 (ja) |
CN (1) | CN101242919B (ja) |
AU (1) | AU2006258744A1 (ja) |
WO (1) | WO2006134841A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5840082B2 (ja) | 2012-06-25 | 2016-01-06 | 新東工業株式会社 | 発泡混練物の造型装置及び発泡混練物の造型方法 |
JP5958966B2 (ja) * | 2013-03-25 | 2016-08-02 | トヨタ自動車株式会社 | 造型装置および造型方法 |
JP6558858B2 (ja) * | 2016-04-08 | 2019-08-14 | 新東工業株式会社 | 混練機構、造型装置及び発泡混合物の製造方法 |
JP6470243B2 (ja) * | 2016-10-31 | 2019-02-13 | トヨタ自動車株式会社 | 中子造形装置及び中子造形方法 |
JP6822315B2 (ja) * | 2017-05-19 | 2021-01-27 | 新東工業株式会社 | 鋳型造型装置及び鋳型造型方法 |
CN107088985A (zh) * | 2017-05-26 | 2017-08-25 | 太仓巨洲塑料科技有限公司 | 一种高精度智能化可移动式发泡成型设备及其工作方法 |
CN107186947A (zh) * | 2017-05-26 | 2017-09-22 | 太仓巨洲塑料科技有限公司 | 一种高精准性智能化可调式板机及其工作方法 |
JP7230871B2 (ja) * | 2020-03-19 | 2023-03-01 | 新東工業株式会社 | 鋳型造型方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1200507A (en) * | 1968-02-16 | 1970-07-29 | British Motor Corp Ltd | Production of foundry cores |
GB1402536A (en) | 1971-08-13 | 1975-08-13 | Nat Res Dev | Methods and apparatus for the measurement of viscosity |
SU702603A1 (ru) | 1978-08-31 | 1981-12-23 | Центральное Проектно-Конструкторское И Технологическое Бюро Главсантехпром Минстройматериалов Ссср | Установка дл изготовлени стержней |
JPS564342A (en) | 1979-06-26 | 1981-01-17 | Daiwa Seisakusho:Kk | Mold molding method and its device |
US5028367A (en) * | 1988-08-15 | 1991-07-02 | Rensselaer Polytechnic Institute | Two-stage fast debinding of injection molding powder compacts |
JP3346715B2 (ja) * | 1997-01-17 | 2002-11-18 | 新東工業株式会社 | 生砂造型の充填不良の予測方法 |
JP3223503B2 (ja) | 1997-02-14 | 2001-10-29 | 新東工業株式会社 | 混練砂のc/b値コントロールシステム |
JP2000190049A (ja) * | 1998-12-24 | 2000-07-11 | Sintokogio Ltd | 鋳型の造型方法 |
CN1175948C (zh) * | 2000-06-13 | 2004-11-17 | 秦升益 | 复合制型、芯工艺和装置 |
US6635099B2 (en) * | 2001-01-24 | 2003-10-21 | Rutgers, The State University Of New Jersey | Aqueous nonferrous feedstock material for injection molding |
ATE489182T1 (de) * | 2004-03-23 | 2010-12-15 | Sintokogio Ltd | Vorrichtung zur herstellung einer gussform und metallformeinheit für den einsatz darin |
US7721649B2 (en) * | 2007-09-17 | 2010-05-25 | Baker Hughes Incorporated | Injection molded shaped charge liner |
-
2006
- 2006-06-09 CN CN2006800295783A patent/CN101242919B/zh active Active
- 2006-06-09 US US11/921,956 patent/US7766543B2/en active Active
- 2006-06-09 WO PCT/JP2006/311620 patent/WO2006134841A1/ja active Application Filing
- 2006-06-09 AU AU2006258744A patent/AU2006258744A1/en not_active Abandoned
- 2006-06-09 EP EP06766532A patent/EP1897633B1/en active Active
- 2006-06-09 KR KR1020087000953A patent/KR101051494B1/ko active IP Right Grant
- 2006-06-09 JP JP2007521265A patent/JP4238932B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
KR101051494B1 (ko) | 2011-07-22 |
EP1897633A4 (en) | 2009-07-22 |
CN101242919B (zh) | 2010-12-22 |
JPWO2006134841A1 (ja) | 2009-01-08 |
CN101242919A (zh) | 2008-08-13 |
WO2006134841A1 (ja) | 2006-12-21 |
US20090092171A1 (en) | 2009-04-09 |
EP1897633A1 (en) | 2008-03-12 |
KR20080021781A (ko) | 2008-03-07 |
EP1897633B1 (en) | 2011-08-17 |
AU2006258744A1 (en) | 2006-12-21 |
US7766543B2 (en) | 2010-08-03 |
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