CN107598098A - Making core material coremaking using special type prevents the technological measure of the disconnected core of intermediate water channel core - Google Patents
Making core material coremaking using special type prevents the technological measure of the disconnected core of intermediate water channel core Download PDFInfo
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- CN107598098A CN107598098A CN201610561087.9A CN201610561087A CN107598098A CN 107598098 A CN107598098 A CN 107598098A CN 201610561087 A CN201610561087 A CN 201610561087A CN 107598098 A CN107598098 A CN 107598098A
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- core
- water channel
- coremaking
- disconnected
- special type
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention is a kind of technological measure for the disconnected core of small bore water annulus core that can prevent turbocharger middle body.Mainly using having some strength and the haydite precoated sand of toughness, the core for including water channel core, intake-outlet and core print, and brushing high-temperature resistant coating is made, in pouring molten iron, impact and buoyancy when being amenable to molten iron flow, core is broken.
Description
Technical field
Foundary industry reselects to turbocharger middle body water channel sand cores material.
Background technology
In the casting of turbocharger of motor intermediate, except oil leab chamber also has the water channel chamber of cooling water.Due to
Booster whole volume occupies installing space very little in engine particularly motorcar engine, so the water channel chamber of intermediate is cut
Also very little, water channel chamber are usually annular in face, are enclosed in outside oil duct chamber.Mainly cutting oil is to maintain turbine wheel shaft in axle
Normally it can be rotated at a high speed in holding.It is flat cross section that water channel chamber core, which is arranged on whole open water annulus in mould, and thickness is only
There is 3mm or so, complete three cores by passing in and out water channel are supported and suspended to be positioned in space by core print.By high temperature iron during pouring molten iron
Water slug and top buoyancy are easily broken core, cause casting water channel to block and perforate and scrap.Because core is mostly precoated sand system
Make, once using increase precoated sand intensity or addition arbor, and change the measures such as gate location, but can not all solve intermediate water
The disconnected core problem in road.
The content of the invention
The purpose of the present invention is a kind of low gas forming amount of high intensity of selection and has the coremaking material of certain toughness, to manufacture centre
Body water channel core.Middle physical efficiency is set to obtain the method that small bore water channel sand cores will not be broken.
The technical scheme is that the technique for preventing the disconnected core of intermediate water channel core using extraordinary coremaking material coremaking is arranged
Apply.Core material is made from having some strength and the haydite precoated sand of toughness, is made including water channel core, intake-outlet and core print
Core, and in core outer brush high-temperature resistant coating.
The beneficial effects of the invention are as follows after using small bore water channel made of new coremaking material, intermediate casting is not again
The core failure it was found that water channel breaks, so as to the generation for preventing intermediate water channel to block or the defects of perforation.
Described haydite precoated sand is the CB-HK100 haydite precoated sands that Yangtse River in Chongqing moulding material factory provides.
Described high-temperature resistant coating is zircon flour coating.
Brief description of the drawings
Fig. 1 annular (opening) flat section water channel core outline drawings.
Brief description of the drawings：1st, water channel core；2nd, water inlet core；3rd, delivery port core；4th, core print.
Embodiment
Making core material coremaking using special type prevents the technological measure of the disconnected core of intermediate water channel core.It is certain from having to make core material
The haydite precoated sand of intensity and toughness, the core for including water channel core 1, water inlet 2, delivery port 3 and core print 4 is made, and in sand
Core outside coating high-temperature resistant coating.
Claims (2)
1. a kind of use special type, which makes core material coremaking, prevents the technological measure of the disconnected core of intermediate water channel core, it is characterised in that：Moulding
Material selection has some strength and the haydite precoated sand of toughness, and the core for including water channel core, intake-outlet and core print is made.
Prevent the technique of the disconnected core of intermediate water channel core from arranging 2. a kind of use special type according to claim 1 makes core material coremaking
Apply, it is characterized in that：In core outside coating zircon flour coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561087.9A CN107598098A (en) | 2016-07-11 | 2016-07-11 | Making core material coremaking using special type prevents the technological measure of the disconnected core of intermediate water channel core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561087.9A CN107598098A (en) | 2016-07-11 | 2016-07-11 | Making core material coremaking using special type prevents the technological measure of the disconnected core of intermediate water channel core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107598098A true CN107598098A (en) | 2018-01-19 |
Family
ID=61055354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610561087.9A Pending CN107598098A (en) | 2016-07-11 | 2016-07-11 | Making core material coremaking using special type prevents the technological measure of the disconnected core of intermediate water channel core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107598098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871390A (en) * | 2022-06-18 | 2022-08-09 | 溧阳市万盛铸造有限公司 | Multi-way valve body inner cavity mud core, manufacturing method thereof and manufactured runner core |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0871696A (en) * | 1994-09-01 | 1996-03-19 | Toyota Motor Corp | Resin core and its production |
| CN201684890U (en) * | 2010-06-04 | 2010-12-29 | 江苏鑫和泰机械集团有限公司 | Casting sand core of multi-cylinder machine |
| CN101972844A (en) * | 2010-10-28 | 2011-02-16 | 黄元吉 | Production process for applying expendable pattern casting technology to vermicular-iron diesel engine |
| US8267148B1 (en) * | 2011-09-09 | 2012-09-18 | Southwest Research Institute | Hybrid ceramic/sand core for casting metal parts having small passages |
| CN103567388A (en) * | 2012-07-30 | 2014-02-12 | 广西玉柴机器股份有限公司 | Core of diesel engine cylinder cover water-ejecting path and water-ejecting path cast with core |
| CN105033164A (en) * | 2015-09-07 | 2015-11-11 | 重庆长安汽车股份有限公司 | High-strength, deformation-resisting and collapsible precoated sand and preparation technology thereof |
| CN105089842A (en) * | 2015-08-28 | 2015-11-25 | 江苏武蕾机械有限公司 | Single cylinder diesel cylinder cover with cylinder barrel and machining method thereof |
-
2016
- 2016-07-11 CN CN201610561087.9A patent/CN107598098A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0871696A (en) * | 1994-09-01 | 1996-03-19 | Toyota Motor Corp | Resin core and its production |
| CN201684890U (en) * | 2010-06-04 | 2010-12-29 | 江苏鑫和泰机械集团有限公司 | Casting sand core of multi-cylinder machine |
| CN101972844A (en) * | 2010-10-28 | 2011-02-16 | 黄元吉 | Production process for applying expendable pattern casting technology to vermicular-iron diesel engine |
| US8267148B1 (en) * | 2011-09-09 | 2012-09-18 | Southwest Research Institute | Hybrid ceramic/sand core for casting metal parts having small passages |
| CN103567388A (en) * | 2012-07-30 | 2014-02-12 | 广西玉柴机器股份有限公司 | Core of diesel engine cylinder cover water-ejecting path and water-ejecting path cast with core |
| CN105089842A (en) * | 2015-08-28 | 2015-11-25 | 江苏武蕾机械有限公司 | Single cylinder diesel cylinder cover with cylinder barrel and machining method thereof |
| CN105033164A (en) * | 2015-09-07 | 2015-11-11 | 重庆长安汽车股份有限公司 | High-strength, deformation-resisting and collapsible precoated sand and preparation technology thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871390A (en) * | 2022-06-18 | 2022-08-09 | 溧阳市万盛铸造有限公司 | Multi-way valve body inner cavity mud core, manufacturing method thereof and manufactured runner core |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180119 |