CN105598364B - A kind of chill manufacture craft - Google Patents
A kind of chill manufacture craft Download PDFInfo
- Publication number
- CN105598364B CN105598364B CN201610080603.6A CN201610080603A CN105598364B CN 105598364 B CN105598364 B CN 105598364B CN 201610080603 A CN201610080603 A CN 201610080603A CN 105598364 B CN105598364 B CN 105598364B
- Authority
- CN
- China
- Prior art keywords
- chill
- paint
- casting
- manufacture craft
- contact surface
- 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
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
Abstract
The present invention relates to a kind of chill manufacture craft; pass through the brush acrylic acid bumps tangerine type paint on the contact surface of chill; and drying process; very firm protecting film can be formed on the contact surface after making paint curing; because the paint fire resistance is very good, the moisture of sand in casting can be avoided to be drilled out from paint, so as to form strong protection and control; extend the service life of chill, it is ensured that casting quality.
Description
Technical field
The invention belongs to casting technology field, more particularly to a kind of chill manufacture craft.
Background technology
In Foundry Production, for increase casting Local cooling speed, inside die cavity and working surface lay metal derby claim
For chill, chill ensures that casting quality plays more important effect to improving rising head and preventing casting from producing shrinkage cavity and porosity.
Chill is divided into internal densener and the major class of external chill two.It is placed on the metal chills that die cavity interior energy is integrated with casting fusion
Block is internal densener；The metal derby on apperance (core box) surface is placed on during moulding (core) external chill.Ironcasting is because of its structure
Need, various pieces wall unevenness, some positions are very thick, and what is just cooled down during cooling is slow, and the thin position of wall thickness is with regard to cold
But fast so that the same each position cooling velocity of casting is uneven, caused by result be possible to produce shrinkage cavity or wall is thin
Position drawing crack.In order to avoid the generation of this phenomenon, after the completion of moulding, chill just is placed at the thicker position of wall thickness, uses it
To absorb the temperature of molten iron, accelerate the cooling velocity at this position, shorten the time difference of the position cooling thin with other wall thickness.It is cold
The use of iron is typically all to have as defined in the life-span, usually 3-20 times (specifically also will be depending on different shape and size), thing
In reality, there is part producer also in the form with ball blast, to ensure that surface does not have under obvious hole, may be reused, but significantly
Reduce chill effect, and no more than 30 times.
The manufacture craft of chill is that common coating is brushed on the contact surface of chill and casting at present, is direct plungeed into after drying
Use.The technique has the following disadvantages：
1st, chill service life is short, and stomata and crackle easily occurs in surface, and cost is high, changes frequent；
2nd, chill effect can not very be ensured, it is impossible to ensure that casting does not produce making for casting flaw, especially internal densener
The defects of being easier to cause casting with, improper use, the qualification rate of casting cannot ensure；
3rd, internal control is complicated, because chill needs frequently to change, the management for the chill after use with regard to cumbersome,
Record and site clearing in time are needed, obscures once having, casting quality will be caused to go wrong；
4th, all non-refractories of coating in the market, and gas forming amount is bigger, is so easy to make casting produce gas
Hole.
The content of the invention
In order to solve the above technical problems, casting is avoided to produce stomata or the chill of shrinkage cavity it is an object of the invention to provide a kind of
Manufacture craft.
The chill manufacture craft of the present invention, including step：
(1) paint is prepared；
(2) chill surface is cleared up, removes flash removed, dirt；
(3) paint is painted on the face that the chill contacts with casting；
(4) processing is dried in the chill brushed with the paint；
(5) moulding is carried out to the dried chill.
Further, the paint is acrylic acid bumps tangerine type paint.
Further, the thickness that the paint is painted on the chill is 20um.
Further, the mode of drying process is natural drying in the step (4).
Further, the time dried in the step (4) is 5 hours.
By such scheme, the present invention at least has advantages below：
1st, painted, can be formed after paint curing on the contact surface of chill non-by being brushed on the contact surface of chill and casting
Chang Jiangu protecting film, the moisture of sand is not easy to drill out from paint in casting, can form strong protection and control, extends
The service life of chill；
2nd, paint compares coating, and fire resistance is more preferable, using paintbrush on the contact surface of chill, substantially increases chill
Chill effect, avoid casting from producing shrinkage cavity and defect；
3rd, paint compares coating, and energy high temperature resistant, gas forming amount is smaller, and casting will not be made to produce stomata；
4th, easily distinguish with not brushing the chill of paint brushed with paint, will not obscure when in use, convenient management.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is when the chill after the present invention makes is cast and the structural representation of workpiece.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
A kind of chill manufacture craft described in a preferred embodiment of the present invention, acrylic acid bumps tangerine type paint is prepared first,
Chill surface is cleared up, after removing flash removed, dirt, acrylic acid bumps tangerine type oil is painted on the face that chill contacts with casting
Paint, processing is dried in the chill for brushing paint, chill is subjected to moulding after drying, for carrying out Quench to casting.Third
Olefin(e) acid bumps tangerine type paint have hardness is high, adhesive force is good, impact resistance and solvent resistant a little, and NBC protective performance is good, can
The contact surface of protection chill well, extend the service life of chill.
To ensure that paint forms firm protecting film, present invention thickness painted on chill on the contact surface of chill
Spend for 20um.
Make the mode that paint is dried in the present invention to spontaneously dry 5 hours, you can make paint solid on the contact surface of chill
Change, so as in casting, avoid the moisture of sand in casting from being drilled out from paint, strong guarantor is formed on the contact surface of chill
Shield and control.
As shown in figure 1, using the manufacture craft of the present invention, paint 2 is painted on chill 1, is placed on the surface of workpiece 3 or die cavity
It is interior, you can in casting process, rapidly to the Quench of workpiece 3.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of chill manufacture craft, it is characterised in that including step：
(1) paint is prepared；Wherein, the paint is acrylic acid bumps tangerine type paint；
(2) chill surface is cleared up, removes flash removed, dirt；
(3) paint is painted on the face that the chill contacts with casting；
(4) processing is dried in the chill brushed with the paint；Wherein, the mode of the drying process is does naturally
Dry, the dry time is 5 hours；
(5) moulding is carried out to the dried chill.
2. chill manufacture craft according to claim 1, it is characterised in that：The thickness of the paint is painted on the chill
Spend for 20um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080603.6A CN105598364B (en) | 2016-02-04 | 2016-02-04 | A kind of chill manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080603.6A CN105598364B (en) | 2016-02-04 | 2016-02-04 | A kind of chill manufacture craft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105598364A CN105598364A (en) | 2016-05-25 |
| CN105598364B true CN105598364B (en) | 2017-11-17 |
Family
ID=55979000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610080603.6A Active CN105598364B (en) | 2016-02-04 | 2016-02-04 | A kind of chill manufacture craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105598364B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141146B (en) * | 2016-07-27 | 2017-12-26 | 共享装备股份有限公司 | A kind of method that chill is fixed on mould inclined-plane |
| CN107791742A (en) * | 2017-09-07 | 2018-03-13 | 芜湖信友机械制造有限公司 | A kind of fork truck drive hub |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752809A (en) * | 2014-01-07 | 2014-04-30 | 南通宏德机电有限公司 | Method for eliminating aluminum alloy casting pore defects |
| CN104232867A (en) * | 2014-09-01 | 2014-12-24 | 山西模范机械制造有限公司 | Method for producing cold-shock cast iron camshaft by using ethanol-based tellurium powder shock-cooling paint |
| CN104493077A (en) * | 2014-12-29 | 2015-04-08 | 南京理工大学常熟研究院有限公司 | Paint of chill for casting aluminum alloy |
-
2016
- 2016-02-04 CN CN201610080603.6A patent/CN105598364B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752809A (en) * | 2014-01-07 | 2014-04-30 | 南通宏德机电有限公司 | Method for eliminating aluminum alloy casting pore defects |
| CN104232867A (en) * | 2014-09-01 | 2014-12-24 | 山西模范机械制造有限公司 | Method for producing cold-shock cast iron camshaft by using ethanol-based tellurium powder shock-cooling paint |
| CN104493077A (en) * | 2014-12-29 | 2015-04-08 | 南京理工大学常熟研究院有限公司 | Paint of chill for casting aluminum alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105598364A (en) | 2016-05-25 |
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