DE29922109U1 - Core clasp with flowing edges - Google Patents
Core clasp with flowing edgesInfo
- Publication number
- DE29922109U1 DE29922109U1 DE29922109U DE29922109U DE29922109U1 DE 29922109 U1 DE29922109 U1 DE 29922109U1 DE 29922109 U DE29922109 U DE 29922109U DE 29922109 U DE29922109 U DE 29922109U DE 29922109 U1 DE29922109 U1 DE 29922109U1
- Authority
- DE
- Germany
- Prior art keywords
- core
- edges
- flowing
- clasp
- flow edges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 229910052759 nickel Inorganic materials 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 1
- 238000005266 casting Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Description
.:.·..· .:..:.. ..· ..* karl schmidt.:.·..· .:..:.. ..· ..* karl schmidt
„BESCHREIBUNG""DESCRIPTION"
Die Erfindung betrifft eine einteilige Kernstütze in Spangenform mit an den Enden angestauchten Profilköpfen (2), an deren Innenflächen Fließkanten (3) eingeprägt sind.The invention relates to a one-piece core support in the form of a clasp with profile heads (2) upset at the ends, on the inner surfaces of which flow edges (3) are embossed.
Zum Gießen von Motorblöcken aus Grauguß oder Kugelgraphitguß (GG, GGG, GGV) wird während des Gieß Vorganges der spätere Kühlwasserraum durch einen Sandkern ausgefüllt.
Diese Kerne, hier Wassermantelkerne genannt, müssen in der Gießform, der geforderten Wandstärke des Gußstückes entsprechend, genau auf Abstand gehalten werden.
Solche Abstützungen erreicht man mittels Kernstützen, die nach dem Gießen mit dem Gußwerkstoff eine fest und dicht eingeschweißte Einheit bilden.When casting engine blocks made of grey cast iron or spheroidal graphite cast iron (GG, GGG, GGV), the future cooling water space is filled with a sand core during the casting process.
These cores, here called water jacket cores, must be kept at a precise distance in the casting mold, according to the required wall thickness of the casting.
Such supports are achieved by means of core supports, which form a firm and tightly welded unit with the cast material after casting.
Neu und erfindungsgemäß an der genannten Kernstütze sind die in die Innenflanken der Profilköpfe (2) eingeprägten Fließkanten (3). Eine wichtige Forderung an Wassermantel-Kernspangen ist ein sicherer Sitz in den Kernen.What is new and inventive about the core support mentioned are the flow edges (3) embossed into the inner flanks of the profile heads (2). An important requirement for water jacket core clips is a secure fit in the cores.
Das erreicht man mit einer einteiligen Kernspange nur, wenn die beiden Profilköpfe (2) möglichst breit, mindestens aber als doppelte Breite des Ausgangsmateriales (1) ausgebildet sind.This can only be achieved with a one-piece core clip if the two profile heads (2) are as wide as possible, but at least twice the width of the starting material (1).
Die genannten Fließkanten (3) lenken, während des Stauchvorganges der Profilköpfe (2), den Werkstoff in die gewünschte Richtung! Die Fließkanten führen außerdem zu einem festeren Sitz im Wassermantelkern, was als weitere Verbesserung zu weiten ist.The flow edges (3) mentioned above direct the material in the desired direction during the compression process of the profile heads (2)! The flow edges also lead to a firmer fit in the water jacket core, which is to be seen as a further improvement.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29922109U DE29922109U1 (en) | 1999-12-16 | 1999-12-16 | Core clasp with flowing edges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29922109U DE29922109U1 (en) | 1999-12-16 | 1999-12-16 | Core clasp with flowing edges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE29922109U1 true DE29922109U1 (en) | 2000-03-02 |
Family
ID=8083052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE29922109U Expired - Lifetime DE29922109U1 (en) | 1999-12-16 | 1999-12-16 | Core clasp with flowing edges |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE29922109U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294440A (en) * | 2011-08-30 | 2011-12-28 | 南车戚墅堰机车有限公司 | Method for fixing deep-drawn pipeline core for casting large-scale machine body |
-
1999
- 1999-12-16 DE DE29922109U patent/DE29922109U1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294440A (en) * | 2011-08-30 | 2011-12-28 | 南车戚墅堰机车有限公司 | Method for fixing deep-drawn pipeline core for casting large-scale machine body |
| CN102294440B (en) * | 2011-08-30 | 2012-11-21 | 南车戚墅堰机车有限公司 | Method for fixing deep-drawn pipeline core for casting large-scale machine body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R207 | Utility model specification |
Effective date: 20000406 |
|
| R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 20030205 |
|
| R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20060602 |
|
| R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20080219 |
|
| R071 | Expiry of right |