CN108405810A - A kind of production method of riding wheel lightening holes core - Google Patents
A kind of production method of riding wheel lightening holes core Download PDFInfo
- Publication number
- CN108405810A CN108405810A CN201810528196.XA CN201810528196A CN108405810A CN 108405810 A CN108405810 A CN 108405810A CN 201810528196 A CN201810528196 A CN 201810528196A CN 108405810 A CN108405810 A CN 108405810A
- Authority
- CN
- China
- Prior art keywords
- pipe
- chrome ore
- riding wheel
- model box
- limestone sand
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a kind of production methods of riding wheel lightening holes core, its key points of the technical solution are that：（1）Real limestone sand is first spread in the bottom of model box, then it is partially placed into pipe in the lightening hole mould of model box, the periphery ring of pipe is sprinkled into chrome ore, it is sprinkled into limestone sand in the inside of pipe, after the chrome ore building reality of periphery, the limestone sand being lifted up in pipe a distance, then the real good chrome ore enclosure of solid in building（2）It repeats the above steps, until the size of the lightening hole needed for the entire model box is fully completed.This invention ensures that the uniform thickness of chrome ore and the intensity of limestone sand, and improves production efficiency and reduce production cost.
Description
Technical field
The present invention relates to casting manufacture field, especially a kind of production methods suitable for casting riding wheel lightening holes core.
Background technology
Support roller belongs to large-scale thick and heavy section steel castings, and loss of weight pore size therein is smaller, so easily being sent out when casting processing
The raw empty obstructed phenomenon of loss of weight, in order to solve problems, traditional manufacture craft is usually in endoporus using outside limestone sand
Packet chrome ore solves, but since the depth in this hole is deeper, and diameter is smaller, it is how that chrome ore is uniform in practical operation
Be coated on the outside of limestone sand, then it is extremely difficult to control, often will appear that chrome ore dosage is excessive, lead to the thickness of lime stone layer of sand
Degree is not enough or chrome ore dosage is too small, cannot coat lime stone layer of sand completely, this can all influence the last molding effect of lightening hole
Fruit.Therefore this technical barrier is current urgent need to resolve.
Invention content
The purpose of the present invention is the making sides of a kind of rational technology of design, the stronger riding wheel lightening holes core of operability
Method.
The technical scheme is that a kind of production method of riding wheel lightening holes core, it is characterised in that：（1）In model
The bottom of box first spreads real limestone sand, is then partially placed into pipe in the lightening hole mould of model box, the periphery ring of pipe is sprinkled into
Chrome ore is sprinkled into limestone sand in the inside of pipe, after the chrome ore building reality of periphery, is lifted up pipe a distance, then
Limestone sand in the real good chrome ore enclosure of solid in building,（2）It repeats the above steps, subtracting needed for the entire model box
Until the size of repeated hole is fully completed.
It advanced optimizes, the diameter of the pipe is less than 40 millimeters of the width of lightening hole mould.
It advanced optimizes, the wall thickness of the pipe is 2-5 millimeters.
This invention ensures that the uniform thickness of chrome ore and the intensity of limestone sand, and improves production efficiency and reduce life
Produce cost.
Description of the drawings
The step of Fig. 1 is technical scheme of the present invention（1）Partial schematic diagram,
The step of Fig. 2 is technical scheme of the present invention（2）Partial schematic diagram.
Specific implementation mode
Embodiment is described in detail in conjunction with attached drawing,
Embodiment 1,
A kind of production method of riding wheel lightening holes core,（1）Real limestone sand 2 is first spread in the bottom of model box 4, then in model
The lightening hole mould of box is partially placed into pipe 1, and the periphery ring of pipe is sprinkled into chrome ore 3, and limestone sand is sprinkled into the inside of pipe,
After the chrome ore building reality of periphery, it is lifted up pipe a distance, then the stone in the real good chrome ore enclosure of solid in building
Grey stone sand,（2）It repeats the above steps, until the size of the lightening hole needed for the entire model box is fully completed；The present embodiment
The diameter of the pipe is less than 40 millimeters of the width of lightening hole mould；The wall thickness of pipe described in the present embodiment is 2 millimeters.
Embodiment 2,
A kind of production method of riding wheel lightening holes core,（1）Real limestone sand 2 is first spread in the bottom of model box 4, then in model
The lightening hole mould of box is partially placed into pipe 1, and the periphery ring of pipe is sprinkled into chrome ore 3, and limestone sand is sprinkled into the inside of pipe,
After the chrome ore building reality of periphery, it is lifted up pipe a distance, then the stone in the real good chrome ore enclosure of solid in building
Grey stone sand,（2）It repeats the above steps, until the size of the lightening hole needed for the entire model box is fully completed；The present embodiment
The diameter of the pipe is less than 40 millimeters of the width of lightening hole mould；The wall thickness of pipe described in the present embodiment is 2 millimeters.
The moulding that the present invention can quickly and efficiently complete riding wheel lightening holes core makes, and ensure that the uniform thickness of chrome ore
With the intensity of limestone sand.
The above embodiments are merely examples for clarifying the description, and does not limit the embodiments.For institute
For the those of ordinary skill in category field, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments, and obvious variation extended from this or change
It moves within still in the protection domain of the invention.
Claims (3)
1. a kind of production method of riding wheel lightening holes core, it is characterised in that：（1）Real lime stone is first spread in the bottom of model box
Then sand is partially placed into pipe in the lightening hole mould of model box, the periphery ring of pipe is sprinkled into chrome ore, is spread in the inside of pipe
Enter limestone sand, after the chrome ore building reality of periphery, is lifted up pipe a distance, then the real good chrome ore of solid in building
Limestone sand in enclosure,（2）Repeat the above steps, the size of the lightening hole needed for the entire model box be fully completed for
Only.
2. a kind of production method of riding wheel lightening holes core as described in claim 1, it is characterised in that：The pipe it is straight
Diameter is less than 40 millimeters of the width of lightening hole mould.
3. a kind of production method of riding wheel lightening holes core as described in claim 1, it is characterised in that：The wall of the pipe
Thickness is 2-5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810528196.XA CN108405810B (en) | 2018-05-29 | 2018-05-29 | Method for manufacturing core of lightening hole of supporting wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810528196.XA CN108405810B (en) | 2018-05-29 | 2018-05-29 | Method for manufacturing core of lightening hole of supporting wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108405810A true CN108405810A (en) | 2018-08-17 |
| CN108405810B CN108405810B (en) | 2020-01-21 |
Family
ID=63140757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810528196.XA Active CN108405810B (en) | 2018-05-29 | 2018-05-29 | Method for manufacturing core of lightening hole of supporting wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108405810B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716650A (en) * | 2009-12-17 | 2010-06-02 | 浙江红马铸造有限公司 | Composite sand core and manufacturing method thereof |
| CN202192227U (en) * | 2011-07-18 | 2012-04-18 | 天津市天重江天重工有限公司 | Steel rib core structure for casting lightening holes of riding wheel |
| CN106825425A (en) * | 2017-02-08 | 2017-06-13 | 重庆大学 | A kind of preparation method of permanent mold casting core |
-
2018
- 2018-05-29 CN CN201810528196.XA patent/CN108405810B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716650A (en) * | 2009-12-17 | 2010-06-02 | 浙江红马铸造有限公司 | Composite sand core and manufacturing method thereof |
| CN202192227U (en) * | 2011-07-18 | 2012-04-18 | 天津市天重江天重工有限公司 | Steel rib core structure for casting lightening holes of riding wheel |
| CN106825425A (en) * | 2017-02-08 | 2017-06-13 | 重庆大学 | A kind of preparation method of permanent mold casting core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108405810B (en) | 2020-01-21 |
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