CN1031324C - Riser pad - Google Patents
Riser pad Download PDFInfo
- Publication number
- CN1031324C CN1031324C CN 89107079 CN89107079A CN1031324C CN 1031324 C CN1031324 C CN 1031324C CN 89107079 CN89107079 CN 89107079 CN 89107079 A CN89107079 A CN 89107079A CN 1031324 C CN1031324 C CN 1031324C
- Authority
- CN
- China
- Prior art keywords
- present
- riser
- steel
- riser pad
- casting
- 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 - Fee Related
Links
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- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention relates to a knockoff riser pad for casting steel, which is made from limestone sand. The present invention can be used for small-and-medium-size risers of steel castings not produced by gas cutting, and the requirements of the steel castings are not high; the present invention can also be used for medium-and-large-size risers still produced by gas cutting and also be matched with an insulated riser to replace a stable size layer of the insulated riser; therefore, the present invention is favorable to reducing a hot spot arranged on the base part of the riser and reducing cutting areas.
Description
The present invention relates to a kind of Steel Casting Risers cameron core, particularly the riser pad of limestone sand making.
The application of riser pad can be saved the expense of cutting rising head, and the crackle that produces when avoiding the steel-casting gas cutting.Ceramic cameron core, quartz sand have been arranged---the clay cameron core successfully is applied to the less demanding medium and small rising head that does not need the gas cutting steel-casting.The riser pad that is used for steel-casting of limestone sand making is not seen closely-related document as yet by retrieval.
The objective of the invention is to provide a kind of riser pad that is used for steel-casting of limestone sand making.
The object of the present invention is achieved like this: limestone sand has been successfully used to the making of the casting mold and the mud core of Steel Castings, so also can be used for making the riser pad of steel-casting.Because limestone sand cast back sand removal is convenient, so this riser pad not only can be as other cameron core, not needing to be used for the less demanding medium and small rising head of gas cutting, and can be used for still bigger rising head with gas cutting excision rising head, can also be used with insulated feeder, further reduce the cutting area of insulated feeder.
When the present invention is used as the Steel Casting Risers cameron core, not needing both can be used for the less demanding medium and small rising head of gas cutting, also can be used for the big rising head that the use gas cutting on the important steel-casting is removed.When share, can replace the dimensionally stable layer on the insulated feeder, help reducing the thermal center of rising head root with insulated feeder.
Concrete structure of the present invention is provided by following embodiment and accompanying drawing thereof.
Figure one is the profile of riser pad.
The present invention implements like this, the limestone sand of puddling is put into made the cameron core that can obtain corresponding size in the mould, and is available after drying.
Claims (1)
1. the riser pad that cast steel riser pad, particularly limestone sand are made is characterized in that:
A. make the cast steel riser pad with limestone sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89107079 CN1031324C (en) | 1989-09-09 | 1989-09-09 | Riser pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89107079 CN1031324C (en) | 1989-09-09 | 1989-09-09 | Riser pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1049987A CN1049987A (en) | 1991-03-20 |
| CN1031324C true CN1031324C (en) | 1996-03-20 |
Family
ID=4857034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89107079 Expired - Fee Related CN1031324C (en) | 1989-09-09 | 1989-09-09 | Riser pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1031324C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019355B (en) * | 2010-11-04 | 2012-06-20 | 广东省韶铸集团有限公司 | Manufacturing device of knock-off core and manufacturing method thereof |
| CN102328030B (en) * | 2011-08-23 | 2013-07-31 | 浙江武精机器制造有限公司 | Feeder head knock-off core |
| CN103551514B (en) * | 2013-11-14 | 2015-07-08 | 沈阳工业大学 | Dead head heating easily-cutting piece of large steel casting |
| CN103551511B (en) * | 2013-11-14 | 2015-07-29 | 沈阳工业大学 | Liquid storage type riser knock-off core |
| CN110252955A (en) * | 2019-06-17 | 2019-09-20 | 中车长江铜陵车辆有限公司 | The novel easy cutting feedhead casting process of truck bolster for railway wagon |
-
1989
- 1989-09-09 CN CN 89107079 patent/CN1031324C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1049987A (en) | 1991-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |